Squashed 'third_party/flatbuffers/' changes from acc9990ab..d6a8dbd26

d6a8dbd26 Experimental fix for failing oss-fuzz coverage build (#6259)
ed391e177 BREAKING: Rust flexbuffers serde human readable set to false (#6257)
a49531414 Update to flags in fuzzing-cmake file (#6256)
de1f0342c Remove _POSIX_C_SOURCE and _XOPEN_SOURCE definitions when compiling o… (#6205)
d0d51e2a5 flatc should support --binary --schema with optional scalar fields. (#6252)
33ab26017 Bump version of rules_go to 0.24.5 (#6234)
febb9d87c Union As Accessors for C# (#6251)
8778dc7c2 Resets buffer without deallocating current pointer (#6247)
aae376e9a Add GetBufferSpan() function to bufferbuilder (#6235)
0ff047148 Modernize android build and sample (#6229)
46a8c7e95 Added required-nested-flatbuffer to monster_test and fixed rust (#6236)
bc56c553e Notify based on Labelling issues and PR (#6241)
07d7cd78a Converted globs to use single quotes (#6240)
cdef70e24 More adjustments to the auto labeler (#6239)
9dd44df35 Updated Lua labeller glob (#6238)
c9b29d088 Support size-prefixed buffers and add tests for size-prefixed messages (#6232)
fba93e0ab Removes duplicate swift in labeler (#6228)
d1a545b1f Added more labels for auto labeler (#6227)
ea92a668d [C#] Optional Scalars (#6217)
6034de286 [Label Bot] Add Java and Kotlin support for the label bot (#6226)
b08b0a440 Implement `Debug` trait for Rust flatbuffers. (#6207)
17ae48dec [Label Bot] Adds some languages to labeler bot (#6222)
fc8097925 Auto Labeler Setup, Just C# for now (#6221)
55658f523 Auto Labeler Setup, Just C# for now (#6218)
14ecfe423 Updated comments and fixed a fundamental type error. (#6214)
a0182cdb1 optional scalars for ts/js (#6215)
0dfcc0a37 Adds NetTest.bat to run .NET Core tests on Windows (#6216)
f9a18ea63 [Java] Implement optional scalars (#6212)
c7586e85a Empties the sharedString map on reset on go and csharp (#6187)
914c64601 Removed C# references from java generator. Move annotations closer to definitions (#6204)
42d7c7997 Adds readable size to asserts in read functions (#6210)
e68e8d7de Refactor idl_gen_rust (#6206)
84809be7e Fix typo in flatbuffers::span declaration. (#6202)
1606fb637 Kotlin test optional enum (#6201)
fe8e3c7e5 Mass Refactoring to use `IsString` and other BASE_TYPE helpers (#6193)
8f6fa4b71 Updated SupportsAdvancedUnionFeatures to look out for string (#6190)
b46db38f5 [JS/TS] Rewrite flexbuffers JS to TS (#6148)
9fa1d2705 Rework enums in rust. (#6098)
a402b3aba idl_gen_json_schema Fix generation of arrays of enums (#6184)
0e1415b99 fix(go_test): remove deprecated grpc call (#6183)
5cd713710 Add generation of JSON Schema to library (#6165)
5be777e1d Bump junit from 4.12 to 4.13.1 in /grpc/tests (#6173)
a49d440ec Bump junit from 4.12 to 4.13.1 in /grpc (#6172)
4ec5e8db9 [C++] Add option to not generate direct copy methods. (#6166)
04bec23a3 Add Array initialization from struct constructor (#5865) (#6147)
77d57fd07 Cast to right type for reserved_ subtraction (#6167)
543c1bbeb Fixed rust nested flatbuffers for tables other than self (#6062)
cb971eece [C++] Fix -Wnarrowing and -Woverflow due to signed bitfields on G++ ARM (#6163)
7b9e61fcc [TS] GRPC  Implementation (#6141)
3359e3042 Moved C++ to optional_scalars2 and added some tests. (#6162)
187a4787f [Rust] Upgrade flatbuffers library to 2018 edition (#6159)
08943aa26 Flatbuffer C++ UnpackTo optimization for vectors of non-bool bytes. (#6154)
5975658eb Enables optional enums in swift (#6160)
5d3cf440e Updated Lobster test for optional bools/enums
8ec8322f0 Ruopt enum (#6156)
bbcc85fd4 Fix generation of C++ code with Optional<Enum> (#6155)
0bdf2fa15 [C#] Fix and improve project files (#6142)
2eedc769d possibility to create a vector from an iterator (#6135)
ab01ae162 flatc should output a warning, when an attribute is attached more than once (#6146)
689bfafa7 [Python/JS/TS] Codegen SizeOf method for structs (#6136)
641309a5b unix2dos on tests/FlatBuffers.Test/FlatBuffers.Core.Test.csproj (#6133)
52e362879 SpanT is available in .Net Standard 2.0. (#6137)
dca12522a Add static cast to avoid implicit double promotion. (#6132)
e0bbaa6f9 [C#]Change to ENABLE_SPAN_T that doesn't require UNSAFE_BYTEBUFFER. (#6073)
ab139d6be Revert "[C#] Fix and improve project files (#6116)" (#6130)
34d67b425 Minireflect fixed array (#6129)
96d5e3597 [JS/TS] fix flatbuffers default export (#6123)
eb686a86f Add missed file generated by optional_scalar.fbs (#6125)
750281630 [C#] Fix and improve project files (#6116)
fb4e1c34f Add CharToLower and CharToUpper into util.s (#6126)
8c67b5b12 Add support of Optional<T> scalars to C++ code generator (#6092)
6228b66d3 [Kotlin] Support for optional scalars. (#6115)
e1be8aaad Bump version for latest swift version (#6121)
94873e595 [JS/TS] Modernize TypeScript / JavaScript flatbuffers support (#6095)
b8e87fafe [JS] Add getFullyQualifiedName() (#6119)
f96d1ef74 [Java] allowing larger buffer sizes when growing a byte buffer (#6118)
89435303b [Swift] Migrates struct write APIS to write directly to the buffer (#6093)
c75ae2429 Optional-ness in reflection (#6097)
338944d3d Rename Nullable scalars to Optional scalars (#6112)
f5ab24bc4 Avoid memcpy call for empty vectors (#6111)
92a8c1a0f [JS] FlexBuffers Fix for wrong type of offset and length values (#6107)
6cea45dcd fix c# json serializer commandline argument docs (#6104)
fec58aa12 Fix for issue 6100: incorrect shrinking logic in ResizeContext() (#6102)
71aca81ff [JS] FlexBuffers Support (#5973)
04d87ffec [C++] Small refactoring of the C++ code generator (#6091)
bb25956f0 Wrap verify file id condition in Check call (#6085)
49f4948f0 + Add `removable-media` plug to the snapcraft config (#6083)
eeacc53d2 Adds proper access types for swift object api & flatbuffers & grpc (#6081)
f3003e08d [Lobster] missed a test
d713a0084 [CMake] enabled multi-core builds in VS projects
77f966f89 [Lobster] optional scalars support
e86d5b8e9 [Kotlin] Attach JvmStatic annotation to each method in companion object (#6052)
db2aa9b4e [C#] Cleaned up .NET testing script for Mono (#6016)
63cc0eec4 Adds a serialize helper function to native table (#6059)
c30a87de6 [TS] Fix four bugs with imported types in TypeScript. (#6054)
a0fb30575 [Swift] Append namespace for Swift Grpc implementation (#6049)
77c18c1d6 export a __version__ variable for python module (#5309)
f1f23d08e adding fb import when no other imports are present (#6030)
f1025b284 [Feature] Checks for Nullable strings (#6050)
5d052f4e5 [Swift] RFC: Switch Swift namespace from public enum to ordinary concat with _ (#6045)
18b015d25 Rust codegen improvements and lint fixes (#6046)
d76e93f27 adds code gen for optional scalars in swift (#6038)
82fac326c [C++] Fix compiler error from deleted assignment operator (#6036) (#6047)
043b52bd4 Optional Scalars support for Rust (#6034)
c8fa0afdf Allow to run cpp tests under grpc/tests/ using bazel. (#6040)
6d0aae73c Fix git command executed in wrong folder when doing cmake superbuild (#6039)
ff1b73128 [Swift] Optional Scalars Preparation (#6028)
2e48c8dd3 tests: Check for both quiet and signaling NaN on mipsel/hppa (#6029)
6942704f2 support deprecated flag in json schema (#6022)
9ecd2e16c Flatc parser support for nullable scalars (#6026)
33e2d8079 [Dart] Generate constant values map for enums (#6025)
969d0f7a6 Using proper symbol name for reexport (#6021)
515a4052a Silence false positive "-Wstringop-overflow" on GCC 10.0 to 11.0 (#6020)
36fbe6f13 Updated FB import (#6019)
b69fc8cc9 [Java] Add support for shared strings on FlatBufferBuilder. (#6012)
ab6af18d9 Not using non-existent create method for obj api (#6015)
37a5dee10 Code cleanup + updates test and readme (#6004)
8a721f69a Serde with bytes maps to Blob (#6009)
e810635ea [Swift] FlatBuffers createMonster method doesn't treat struct properly (#5992)
4995e1527 Manage grpc dependency in Bazel's WORKSPACE file. (#5995)
60b6066fe Add warning to schema parser if field name is not snake_case. (#6005)
35d45cac7 [Rust] Flexbuffers dependency cleanup and fixes (#5998)
165a6e3d1 Re-added Evolution Schema Code Generation Command (#5999)
13d3fb2ea Fix RPM install conflict (#6003)
d64078eb2 [Swift] Initialize memory when clear ByteBuffer (#5982)
ca1190a3d [TS] Use proper TypedArray in create*Vector (#5991)
7571b2ac5 [C++] Updates real_path to be truly portable (#5787)
e5a8f76a4 [C++] Generate default member initializers for >= C++11 (#5989)
413bb9b55 [Kotlin] Fix Access to union of vector element (#5994)
f35184aef [Swift] Add parsing from unowned UnsafeMutableRawPointer for ByteBuffer (#5981)
b124b7625 Removed requirement that enums be declared in ascending order. (#5887)
0ec7600c6 Do not remove the last digit from float values (#5974)
14baf45c9 Mark GetBufferMinAlignment() const (#5985)
9abb2ec2c TypeScript/JavaScript docs improvements (#5984)
2e57d80b1 [Swift] Internal library improvements (#5965)
cfc7753a4 [Doc] Added missing letters to compiler options (#5976)
12ddc8a92 Rust Flexbuffers Documentation update (#5979)
24ad35709 [docs] typo: updates monsterdata.json to be valid json (#5978)
cc44a4442 [idl_parser] Mark typefield as deprecated (#5958)
9ab4a5c0e Deleted old stale bot
6682cfe87 Increased Operations per run in stale.yml
64922904b Adding Stale Action to clean up PR and Issues
8e505cb67 [C++] Fixed/Enabled --cpp-ptr-type std::shared_ptr [#5813] (#5959)
a28357d7a Propagate boolean default values from proto to fbs (#5964)
7cb4762a6 [Swift] Improving reallocation time by using memcpy and moving reallocation code to storage (#5960)
4e45f7c9e Fix error in SimpleQSort (#5955)
7ac026405 fix error on GRPC Python - ignore namespace tree if not specified (#5862) (#5922)
108e981db Required is now implemented in swift (#5952)
94a78e385 Fixed: Access violation and ASAN/UNSAN failures with sorted tables
53fb453e0 [rust] Add FlatBufferBuilder::force_defaults API (#5946)
17c1f35fa [FlexBuffer][Java] ReadWriteBuf and ReadBuf interface public (#5948)
2eaf57778 [Java] Grow ArrayReadWriteBuf enough to match requested capacity. (#5921)
666800da3 Adds bool support in structs + updates grpc support + CI upgrades (#5943)
38ed69eb3 fixed mutating inline values (#5942)
d026e6f07 Add static asserts to ensure that reflection API arrays are kept in sync (#5934)
988164f6e [C++] Got rid of memset's in constructors (#5938)
7179a5a8b General Codebase clean up (#5939)
a0da0c08c Add GetStringView like GetString, GetCstring (#5937)
ac203b209 [C#] Add file identifier to ObjectAPI Serialization Utility. (#5920)
8dd1bf25b not creating creation methods when using structs (#5919)
5aa443d98 [Dart] Adding FlexBuffers support (#5853)
0fa087657 [Dart] Getting tests/DartTest.sh to work on master. (#5915)
424a473e1 Schema parser: prohibit declaration of an array of pointers inside structs (#5907)
c3faa8346 Fix Cargo.toml dependencies (#5911)
91399ad05 fix union type names (#5902)
32782e4ad Update Rust Flexbuffers metadata before publishing (#5905)
e7f3b1690 [TS] Make Obj-API work with --short-names (#5898)
12ed1fe4a fixed invalid imports with --gen-all (#5895)
85ee4df7a [C#] Thread safe reads of Double and Float values from a ByteBuffer (#5900)
de89bd193 Implement flexbuffers in python (#5880)
8be05f6bd Rust Flexbuffers (#5669)
870ecbc09 [swift] Moves code to use VTablesStorage (#5888)
c2da8d5d8 [Java][FlexBuffers] Make FlexBuffersBuilder reusable by adding clear() (#5889) (#5890)
e84cbff67 Align package name to FindFlatBuffers.cmake (#5899)
f94e6c84e Small tutorial improvements - documentation only (#5894)
f12cca8bc Attempt at adding Github Actions CI
7e4124d6e Handle git program or .git folder absence (#5878)
a875d247a only add native_include_files if object based api is enabled (#5886)
6e9f5d981 Respect shared attribute in Parser (#5885)
ff1c78233 include/flatbuffers: typo fixes in comments (#5884)
2e9a19673 Updates swift docs for package management (#5883)
e3cb07d32 [Rust] idl_gen_rust.cpp: (Option/required-aware codegen for unions) (#5850)
712866d57 Propagate use_string_pooling in CopyTable (#5879)
44c919a9e Not using reexports with --gen-all (#5873)
99aa1ef21 Added INCLUDE_PREFIX option for flatbuffers_generate_headers (#5866)
40ba170c9 Fixed text in internals doc that implied structs can be root
cb4d0f72e [Swift] Object API support  (#5826)
003e16405 [TS] Add Obj API (#5788)
21cf300f4 fix cpp usage markdown error (#5845)
9655e12d6 Upgraded swift implementation for grpc (#5843)
fb96fadc2 [C#] Fix nested structs and arrays in Object API (#5765)
408f11fbd [ts] Fix empty source/dest namespaces when reexporting. (#5841)
a83caf591 Improves performance for the swift library by using structs + a storage class (#5835)
925fab6b1 [Java][FlexBuffers] Optimize Map access (#5735)
d9fecc332 [CMake] : Add precompiled header support with FLATBUFFERS_ENABLE_PCH (#5827)
e9d453240 Added flatbuffers_generate_headers and flatbuffers_generate_binary_files cmake functions. (#5830)
c37c989ed Correct calculation of vector element size (#5831)
6b271b7ec Fix Clang-trunk warnings about special members deprecated in C++20. (#5829)
90f3b8e8c Fix `float_constant` definition in './doc/Grammar.md` (#5828)
3af735934 [csharp] flatc should generate a 'Create…' method for tables with struct field… (#5818)
c4231c3cb Updated doxyfile - added missing files (#5824)
9657df184 Update Grammar.md (#5820)
97ffc590e Include CPack only when explictly packaging (#5817)
8b52af65b [C++] Add max_depth and max_tables parameters to reflection::Verify (#5815)
9b034eee1 Fix interpretation of 'nan(number)' by the idl_parser (#5810)
3e9ac3cff [Scripts] Adds swift to generated code (#5806)
697147a2e updated maven build files
6df40a247 pre-tag version bump for 1.12
0dba63909 Removes the inner loop in the endtable check written tables (#5803)
0e3fdd0ee Escape characters in jsonschema descriptions (#5644)
45a2b07cb Remove `noexcept` qualifier copy-ctor of `union` type (#5800) (#5802)
d10c16314 Replace 'assert' by 'FLATBUFFERS_ASSERT' inside idl_parser.cpp (#5799)
35abb7f89 Add non-nullable modifier to return type of functions never returning null (#5797)
9954e09ab [C++] Generate code for vector force_align attribute. (#5796)
95a21327f rust: pub export the VectorIter type (#5736)
89b6183ee Fix Python min alignment
5a98d65e8 [Rust] Add gen-name-strings for Rust (#5757)
f73d205bc Removed assert that wasn't backwards compatible.
7c37abe92 [C#] add ObjectAPI Serialization Utility (#5785)
4749e77b0 Fixed docs on how to obtain parser error.
6ff189841 Added --filename-suffix and --filename-ext to flatc (#5778)
c9a30c9ca Fixed refractoring issue in reflection/generate_code.sh. Also, mv deletes the original file, so I don't need to clean it up manually in that case. (#5777)
8c02d17be Skip writing reflection_generated.h if not changed (#5776)
34305c4ce [Swift] Adds GRPC to Swift (#5758)
cd88e6b2a [Java][FlexBuffers] Abstract buffer access from ByteBuffer (#5743)
3ec7a53c6 Adds cocoapods and a readme of how to get the package (#5771)
6d44cede7 [snap] Fix versioning (#5727)
cc08c0835 [Python] Fixed potential allignment issue (#5768)
54f8b787c Fix memory leak on cpp object api (#5761)
17557f913 [Python] Fixed issue #5499 (#5764)
d54af8cd4 [C++] Use strong enum type for vectors when scoped-enums is on. (#5750)
173e10fdf [C#] support Json Serialization (#5752)
8f56990f6 FlexBuffers: C++: scalar-only typed vectors were not aligned.
6400c9b05 Bump Rust port to 0.6.1 (#5747)
7418d8587 [C#] support Object API (#5710)
c580fa284 Adds min and max, comments, and all of swift's keywords + fix docs (#5737)
f2a127230 Use VS 2017 and 2019 on CI, fix cast issue in dart_idl (#5740)
316d7c208 Creates a flatbuffers validation function + small fix (#5725)
47026ea6b Added the code to embed the binary schema to the source (--bfbs-gen-embed). (#5701)
3f677f241 [Java][FlexBuffers] Deprecate typed vector strings due to design flaw (#5722)
a593a11e5 [Go] Implements a SharedStrings function (#5733)
7cdfc8475 [Swift] Fix padding function overflow when bufSize is 0 (#5721)
bab2b0db4 Add vcpkg installation instructions (#5732)
89418eb84 [Dart] Fix deprecated field support, inf/nan (#5724)
9cadf05d8 [typescript] Size-prefixed root accessors not taking into account size prefix (#5717)
6da1cf79d [rust] Add use declarations to Rust-generated bindings for imported FB definitions (#5645)
bee1df96d [Go] Replace references to hardcoded ”Monster" etc with idiomatic go wherever possible (#5716)
01189d7ed [C++] Fix for printing of enum in case output_enum_identifiers=1. (#5706)
c4b2b0a25 [Swift] Support create long string (#5709)
a4b2884e4 Added create function for swift (#5707)
04d80f255 [Swift] Swift implementation 🎉🎉 (#5603)
55686100a Changed direct calls to strtod to use StringToNumber
718351831 Document JSON compatibility guarantees. (#5704)
d1b34f0f2 Add CMake 'generated_code' target to simplify resolution of build dependencies (#5697)
21b706196 (Optionally) add an additional suffix namespace to generated fbs files. (#5698)
35daaf83d [Java] Replace Table.UTF8_CHARSET with StandardCharsets.UTF_8 (#5696)
3b458f7a1 Rust: Temporarily disable 2 endianness unit tests (#5695)
a5d9d0f7d [C++17] Add Traits class for Tables and Factory function within it. (#5678)
3cd9b6434 Removed code_generators.cpp from library targets
355dfd48d [rust] Make enum names public (#5690)
bcd58a159 Correct inverted logic around include prefixes. (#5689)
a2c12900a Optimize Pack method using numpy (#5662)
901b89e73 [C++] Add Builder and Table typedefs (#5685)
31f879908 Minor doc updates: FlexBuffers C#, Discord, CppUsage.
8023d99e2 Upgrade rules_go (#5684)
b4154405d Fix --incompatible_load_cc_rules_from_bzl (#5683)
04c17c7a7 Add support for absl::string_view when available (#5682)
62ec7d52c [Bazel] Add support for compatible_with and restricted_to (#5681)
7de668053 CI: New Docker tests for Python with numpy (#5677)
3a70e0b30 Fixed struct initialization error on older versions of C#
9b1320135 Fixed warnings in FlexBuffers.java
5e3916050 Fixed out of date licenses on gRPC Python files.
c95755051 Removed test proto output.
44bf71988 Add flatc '--cpp_std' switch (#5656)
3e8f15df9 Fix for FlexBuffers FBT_VECTOR_STRING size bit-width.
602721a73 Added Check to VerifyAlignment (#5675)
13c05f4da Improve import handling for proto conversion (#5673)
ce3a1c43a [Dart] Fix prepare space for writeListInt64 and writeListUint64 (#5654)
aa75e5734 Make Rust constants public (#5659)
2790fee25 Add namespace qualification to union types (#5666)
eddebec1b Bugfix for Rust generation of union fields named with language keywords (#5592)
030fee36a wrap multiple statements in do {} while(!IsConstTrue(true)) (#5655)
f9724d1bd [gRPC] Uncomment MessageBuilder (#5658)
b20801ca4 Supress unsigned-integer-overflow for PaddingBytes (#5647)
a8e800bd7 Add --force-empty-vectors option (#5653)
d7530ae96 Fixed enum min/max values not properly escaped.
99d11e279 Split Bazel targets into multiple packages (#5640)
4fd8eb214 Remove a static_assert (#5643)
65f870357 Flatbuffers Python Object API (#5616)
75823cc27 [Clang 10]: definition of implicit copy constructor for 'TableKeyComparatoris deprecated #5649 (#5650)
58e279244 [docs]: add missing semicolon (#5648)
3c964e10a [GO] Fix support for enums with underscores and Unions with imported members (#5600)
c3c32ec94 Fix ambiguity of a type deduction in TEST_EQ macro if arguments have `enum class` type. (#5630)
075e8d676 Simplify declarations of x-macro FLATBUFFERS_TD (#5638)
bcf1bd5c9 read vtable size through ReadScalar() (#5636)
136d75fa6 Changed null checks in test. Removed verifier pointer usage (#5634)
091fa1fd1 Add testing of C++ with sanitizers (CI-Docker) (#5631)
ff3781dc2 add namespace prefix in FLATBUFFERS_MAX_BUFFER_SIZE (#5629)
6beb9f49c Support for python grpc - continuing the work from the pull request #4270 #4705 (#5613)
80988ea86 Removed idl_gen_general.cpp and move contents to code_generators.cpp (#5625)
0f2ff7eaa Lua cleanup (#5624)
dda095023 [C++] Adds basic schema evolution tests (#5611)
adbcbba5d [C++, C#, Java] Separated C# and Java generators into their own classes (#5618)
cbbd6aca0 add check for root_type specified for json schema generation (#5622)
405c64e07 [Rust] Bump smallvec version to 1.0 (#5621)
42c08cbca Ran src/clang-format-all.sh (#5617)
33d5dd9bd Improved pull request & clang-format instructions.
105dd528e Change monster_extra generation to use flatbuffers::unique_ptr (#5612)
f0f0efe7b [C++] Refactor to conform to Google C++ style guide (#5608)
e837d5a29 Fixed deprecated method in GRPC Java test.
9834ee978 Fixed Apache license not using canonical version.
44b2ab087 include/flatbuffers/base.h: fix no_sanitize issue with old clang (#5610)
46ae3f80a [C++, Java, C#, TypeScript, JavaScript] Skip generation of mutable union types (#5599)
7b38aa71e flatbuffers.h: fix documentation warning (#5607)
661bedd83 Add Lua FlatbufferBuilder Clean() method to enable reuseable builders (#5606)
8526e12d7 [Kotlin] Fix union vector accessor after change in Java API (#5605)
3c7b660d6 [flatc] Remove an always true condition for flexbuffers (#5604)
964365ba6 [Go] Add UnPackTo functions (#5598)
32254b7ac [Go] Object API support (#5339)
521e255ad Rust: Add idiomatic iterator for Vector type (#5579)
1b85292fd Fix typos in comments (#5590)
480815447 C++ verifier for evolved union fields should return true (#5586)
8d5e424c6 Add ByteBuffer copy for vector of bytes in Java (#5587)
b4774d235 Rust: Fix Copy and Clone impls for a few generic types (#5577)
26f238c24 Add `--clean-first` to the cmake-build command (travis) (#5574)
e93c8c46e Fix Follow implementation for bool (#5554)
e21516b9d Fix issue #5557 (#5573)
fbc11e8ae Avoid intentional unsigned integer overflow getting caught by sanitizers (#5572)
e9d29c21a Python: Add forceDefaults opt to python Builder (#5564)
8bfafc76d Java: Don't annotate vector-of-tables item getters with @nullable. (#5562)
df3e8bf4a Fixed warnings generated by recent JSON sorting feature.
5665cfe49 [Java] byte buffer factory returned buffer capcity is used instead of the requested size (#5558)
5797540ed #5544 Fix of Array of table is not sorted if Create<type>Direct() is used (#5546)
7f1af7cb0 Fix build with gcc version 7.4.0 (#5570)
32f47ad24 Fixed JSON parser not sorting vectors of tables/structs with key.
842f672ba [FlexBuffers][Java] Cache size of Sized objects in FlexBuffers (#5551)
d4cae0a62 Fix issue #5542 (#5543)
f1147f65b Fixed Android STLPort related error.
69d3fec48 Fix namespaced struct/field name collision detection (#5540) (#5545)
cfb4ecf6f [flac] Add FlexBuffers option for generating data (#5519)
a92039687 Update Rust versions under test from 1.30.1 to 1.37.0 (#5538)
625338d09 Adds XOPEN_SOURCE for PATH_MAX and POSIX 1993 for stat (#5529)
3f8ce99c5 [FlexBuffers][Java] Add override Key::toString (#5533)
0798b7b69 [FlexBuffers][Java] Fix wrong access to a string using Reference::asString(). (#5532)
cbdf82e2f Fix Mutate() methods of Array<scalar/struct> (override 5508) (#5526)
e365c502f Java: Added access object for vector of struct and vector of tables. (#5233)
97f3aa917 Fixed DetachedBuffer self move assignment (#5521)
2f5bb2eec Fix buildifier warnings found in new bazel (#5517)
917687c7a Fixed Reflection Verifier not handling vectors of unions.
f9277e691 Fixed GenerateText not handling vectors of unions.
2706381ee Add element size parameter to __vector_as_arraysegment [c#] (#5512)
b5560fcd5 [Java][FlexBuffers] Improve documentation for FlexBuffers in Java. (#5506)
782b865c5 Annotate getters with @Pure when --java-checkerframework is specified. (#5510)
3bfc86eaf [Dart]fix: segment fault with empty namespace when generating dart file (#5507)
c0282873f Rust: Fixed cargo clippy on non-generated code (#5485)
4b870aca9 [Javascript] Fix syntax error for signed enum (#5503)
d0e3870c0 [C#] Fix retrieving enumeration vectors as arrays (#5457)
fb25eb87f Doc typo fixes (#5505)
cb35d3a0e Use all of the available space in the buffer returned by ByteBufferFactory to allow the factory to keep a pool of larger than initialsize sized buffers. (#5500)
8e6cabb31 [FlexBuffers][Java] Implementation of FlexBuffers API (#5476)
bd31dd242 Clarified value reuse in FlexBuffers
65b67d213 Fixed test build invocation of arrays_test.fbs
1fbb71132 FlexBuffers: allow any values to be shared.
cd75a3658 Android: remove app_dummy() calls
ec6b0bf29 Fixed STLPort Android compile error
c11b5d744 [bugfix]flexbuffers isvector bugfix (#5488)
4525c91be Fix incorrect padding in arrays of structs (Issue #5484) (#5491)
b97b342f5 Fixed missing generated code.
c1058a903 C++ IDL generation adds superfluous semicolon in GenTablePost, causing (#5483)
303044934 [go]add Name() for ForceCodec  interface (#5486)
a2485d4ec reflection: check for valid union enum value during object verification (#5475)
a20e71ac9 has_method support for primitive fields in java runtime. Changed: idl.h, FlatBufferBuilder.java ,  idl_gen_general.cpp, idl_parser.cpp, flatc.cpp (#5468)

Change-Id: I836f4b43e6818bb16425a87899e6234ac86242aa
git-subtree-dir: third_party/flatbuffers
git-subtree-split: d6a8dbd26ff08a8868e0d0c1b4b67d31b40e4a7f
diff --git a/android/app/.gitignore b/android/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/android/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/android/app/build.gradle b/android/app/build.gradle
new file mode 100644
index 0000000..3ee9ba2
--- /dev/null
+++ b/android/app/build.gradle
@@ -0,0 +1,136 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+  compileSdkVersion 30
+  buildToolsVersion "30.0.2"
+
+  defaultConfig {
+    applicationId "com.flatbuffers.app"
+    minSdkVersion 16
+    targetSdkVersion 30
+    versionCode 1
+    versionName "1.0"
+
+    compileOptions {
+      sourceCompatibility JavaVersion.VERSION_1_8
+      targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    externalNativeBuild {
+      cmake {
+        arguments "-DFLATBUFFERS_SRC=${rootProject.projectDir}/.."
+      }
+    }
+  }
+
+  buildTypes {
+    release {
+      minifyEnabled false
+      proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+    }
+  }
+
+  ndkVersion "21.3.6528147"
+  externalNativeBuild {
+    cmake {
+      path "src/main/cpp/CMakeLists.txt"
+    }
+  }
+
+  task generateFbsCpp(type: Exec) {
+    def inputDir = file("$projectDir/src/main/fbs")
+    def outputCppDir = file("$projectDir/src/main/cpp/generated/")
+    def fbsFiles = layout.files { file(inputDir).listFiles() }.filter { File f -> f.name.endsWith(".fbs") }.toList()
+    ignoreExitValue(true)
+
+    standardOutput = new ByteArrayOutputStream()
+    errorOutput = new ByteArrayOutputStream()
+    commandLine 'flatc', '-o', outputCppDir, '--cpp', "${fbsFiles.join(" ")}"
+
+    doFirst {
+      delete "$outputCppDir/"
+      mkdir "$outputCppDir/"
+    }
+    doLast {
+      if (execResult.getExitValue() != 0) {
+        println(standardOutput.toString())
+        throw new GradleException("flatc command line failed")
+      }
+    }
+  }
+
+  task generateFbsKotlin(type: Exec) {
+    def inputDir = file("$projectDir/src/main/fbs")
+    def outputKotlinDir = file("$projectDir/src/main/java/generated/")
+    def fbsFiles = layout.files { file(inputDir).listFiles() }.filter { File f -> f.name.endsWith(".fbs") }.toList()
+    ignoreExitValue(true)
+
+    standardOutput = new ByteArrayOutputStream()
+    errorOutput = new ByteArrayOutputStream()
+    commandLine 'flatc', '-o', outputKotlinDir, '--kotlin', "${fbsFiles.join(" ")}"
+
+    doFirst {
+      delete "$outputKotlinDir/"
+      mkdir "$outputKotlinDir/"
+    }
+    doLast {
+      if (execResult.getExitValue() != 0) {
+        println(standardOutput.toString())
+        throw new GradleException("flatc command line failed")
+      }
+    }
+  }
+
+  afterEvaluate {
+    android.applicationVariants.all { variant ->
+      variant.javaCompiler.dependsOn(generateFbsKotlin)
+      variant.javaCompiler.dependsOn(generateFbsCpp)
+    }
+  }
+
+  flavorDimensions "stl-variant"
+  productFlavors {
+    stlport {
+      dimension "stl-variant"
+      applicationIdSuffix ".stlport"
+      versionNameSuffix "-stlport"
+      externalNativeBuild {
+        ndkBuild {
+          arguments "APP_STL=stlport_static"
+        }
+      }
+    }
+    gnustl {
+      dimension "stl-variant"
+      applicationIdSuffix ".gnustl"
+      versionNameSuffix "-gnustl"
+      externalNativeBuild {
+        ndkBuild {
+          arguments "APP_STL=gnustl_static"
+        }
+      }
+    }
+    libcpp {
+      dimension "stl-variant"
+      applicationIdSuffix ".libcpp"
+      versionNameSuffix "-libcpp"
+      externalNativeBuild {
+        ndkBuild {
+          arguments "APP_STL=c++_static"
+        }
+      }
+    }
+  }
+}
+
+dependencies {
+  implementation fileTree(dir: "libs", include: ["*.jar"])
+  implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+  implementation 'androidx.core:core-ktx:1.3.2'
+  implementation 'androidx.appcompat:appcompat:1.2.0'
+  implementation 'com.google.flatbuffers:flatbuffers-java:1.12.0'
+
+}
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/android/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..c2dcba9
--- /dev/null
+++ b/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="com.flatbuffers.app">
+
+  <application
+    android:allowBackup="true"
+    android:icon="@mipmap/ic_launcher"
+    android:label="@string/app_name"
+    android:roundIcon="@mipmap/ic_launcher_round"
+    android:supportsRtl="true"
+    android:theme="@style/AppTheme">
+    <activity android:name=".MainActivity">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+
+</manifest>
diff --git a/android/app/src/main/cpp/CMakeLists.txt b/android/app/src/main/cpp/CMakeLists.txt
new file mode 100644
index 0000000..f30dd4a
--- /dev/null
+++ b/android/app/src/main/cpp/CMakeLists.txt
@@ -0,0 +1,54 @@
+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html
+
+# Sets the minimum version of CMake required to build the native library.
+
+cmake_minimum_required(VERSION 3.4.1)
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+
+include_directories(${FLATBUFFERS_SRC}/include)
+
+add_subdirectory(flatbuffers)
+
+FILE(GLOB Generated_SRCS generated/*.h)
+
+add_library( # Sets the name of the library.
+             native-lib
+
+             # Sets the library as a shared library.
+             SHARED
+
+             # Provides a relative path to your source file(s).
+             animals.cpp
+             ${Generated_SRCS}
+
+)
+
+# Searches for a specified prebuilt library and stores the path as a
+# variable. Because CMake includes system libraries in the search path by
+# default, you only need to specify the name of the public NDK library
+# you want to add. CMake verifies that the library exists before
+# completing its build.
+
+find_library( # Sets the name of the path variable.
+              log-lib
+
+              # Specifies the name of the NDK library that
+              # you want CMake to locate.
+              log )
+
+# Specifies libraries CMake should link to your target library. You
+# can link multiple libraries, such as libraries you define in this
+# build script, prebuilt third-party libraries, or system libraries.
+
+target_link_libraries( # Specifies the target library.
+                       native-lib
+                       flatbuffers
+                       flatbuffers_tests
+                       # Links the target library to the log library
+                       # included in the NDK.
+                       ${log-lib} )
diff --git a/android/app/src/main/cpp/animals.cpp b/android/app/src/main/cpp/animals.cpp
new file mode 100644
index 0000000..bf87b87
--- /dev/null
+++ b/android/app/src/main/cpp/animals.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2014 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jni.h>
+#include <string>
+#include <search.h>
+#include "generated/animal_generated.h"
+
+using namespace com::fbs::app;
+using namespace flatbuffers;
+
+extern "C" JNIEXPORT jbyteArray JNICALL Java_com_flatbuffers_app_MainActivity_createAnimalFromJNI(
+        JNIEnv* env,
+        jobject /* this */) {
+    // create a new animal flatbuffers
+    auto fb = FlatBufferBuilder(1024);
+    auto tiger = CreateAnimalDirect(fb, "Tiger", "Roar", 300);
+    fb.Finish(tiger);
+
+    // copies it to a Java byte array.
+    auto buf = reinterpret_cast<jbyte*>(fb.GetBufferPointer());
+    int size = fb.GetSize();
+    auto ret = env->NewByteArray(size);
+    env->SetByteArrayRegion (ret, 0, fb.GetSize(), buf);
+  return ret;
+}
diff --git a/android/app/src/main/cpp/flatbuffers/CMakeLists.txt b/android/app/src/main/cpp/flatbuffers/CMakeLists.txt
new file mode 100644
index 0000000..f32b0bb
--- /dev/null
+++ b/android/app/src/main/cpp/flatbuffers/CMakeLists.txt
@@ -0,0 +1,59 @@
+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html
+
+# Sets the minimum version of CMake required to build the native library.
+
+cmake_minimum_required(VERSION 3.4.1)
+
+include_directories(${FLATBUFFERS_SRC}/include)
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11 -fexceptions -Wall -DFLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE")
+
+# Certain platforms such as ARM do not use signed chars by default
+# which causes issues with certain bounds checks.
+set(CMAKE_CXX_FLAGS
+   "${CMAKE_CXX_FLAGS} -fsigned-char")
+
+set(FlatBuffers_Library_SRCS
+        ${FLATBUFFERS_SRC}/include/flatbuffers/base.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/flatbuffers.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/hash.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/idl.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/util.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/reflection.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/reflection_generated.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/stl_emulation.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/flexbuffers.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/registry.h
+        ${FLATBUFFERS_SRC}/include/flatbuffers/minireflect.h
+        ${FLATBUFFERS_SRC}/src/idl_parser.cpp
+        ${FLATBUFFERS_SRC}/src/idl_gen_text.cpp
+        ${FLATBUFFERS_SRC}/src/reflection.cpp
+        ${FLATBUFFERS_SRC}/src/util.cpp
+        ${FLATBUFFERS_SRC}/src/idl_gen_fbs.cpp
+        ${FLATBUFFERS_SRC}/src/code_generators.cpp
+        )
+
+set(FlatBuffers_Test_SRCS
+        ${FLATBUFFERS_SRC}/tests/test.cpp
+        ${FLATBUFFERS_SRC}/tests/test_assert.h
+        ${FLATBUFFERS_SRC}/tests/test_builder.h
+        ${FLATBUFFERS_SRC}/tests/test_assert.cpp
+        ${FLATBUFFERS_SRC}/tests/test_builder.cpp
+        ${FLATBUFFERS_SRC}/tests/native_type_test_impl.h
+        ${FLATBUFFERS_SRC}/tests/native_type_test_impl.cpp
+)
+
+add_library( # Sets the name of the library.
+             flatbuffers
+
+             ${FlatBuffers_Library_SRCS}
+             ${FlatBuffers_Test_SRCS}
+             ${Generated_SRCS}
+)
+
+add_library( # Sets the name of the library.
+             flatbuffers_tests
+
+             ${FlatBuffers_Test_SRCS}
+)
diff --git a/android/app/src/main/cpp/generated/animal_generated.h b/android/app/src/main/cpp/generated/animal_generated.h
new file mode 100644
index 0000000..1ba9b09
--- /dev/null
+++ b/android/app/src/main/cpp/generated/animal_generated.h
@@ -0,0 +1,128 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+
+
+#ifndef FLATBUFFERS_GENERATED_ANIMAL_COM_FBS_APP_H_
+#define FLATBUFFERS_GENERATED_ANIMAL_COM_FBS_APP_H_
+
+#include "flatbuffers/flatbuffers.h"
+
+namespace com {
+namespace fbs {
+namespace app {
+
+struct Animal;
+struct AnimalBuilder;
+
+struct Animal FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef AnimalBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_NAME = 4,
+    VT_SOUND = 6,
+    VT_WEIGHT = 8
+  };
+  const flatbuffers::String *name() const {
+    return GetPointer<const flatbuffers::String *>(VT_NAME);
+  }
+  const flatbuffers::String *sound() const {
+    return GetPointer<const flatbuffers::String *>(VT_SOUND);
+  }
+  uint16_t weight() const {
+    return GetField<uint16_t>(VT_WEIGHT, 0);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_NAME) &&
+           verifier.VerifyString(name()) &&
+           VerifyOffset(verifier, VT_SOUND) &&
+           verifier.VerifyString(sound()) &&
+           VerifyField<uint16_t>(verifier, VT_WEIGHT) &&
+           verifier.EndTable();
+  }
+};
+
+struct AnimalBuilder {
+  typedef Animal Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_name(flatbuffers::Offset<flatbuffers::String> name) {
+    fbb_.AddOffset(Animal::VT_NAME, name);
+  }
+  void add_sound(flatbuffers::Offset<flatbuffers::String> sound) {
+    fbb_.AddOffset(Animal::VT_SOUND, sound);
+  }
+  void add_weight(uint16_t weight) {
+    fbb_.AddElement<uint16_t>(Animal::VT_WEIGHT, weight, 0);
+  }
+  explicit AnimalBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  AnimalBuilder &operator=(const AnimalBuilder &);
+  flatbuffers::Offset<Animal> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<Animal>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<Animal> CreateAnimal(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::String> name = 0,
+    flatbuffers::Offset<flatbuffers::String> sound = 0,
+    uint16_t weight = 0) {
+  AnimalBuilder builder_(_fbb);
+  builder_.add_sound(sound);
+  builder_.add_name(name);
+  builder_.add_weight(weight);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<Animal> CreateAnimalDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const char *name = nullptr,
+    const char *sound = nullptr,
+    uint16_t weight = 0) {
+  auto name__ = name ? _fbb.CreateString(name) : 0;
+  auto sound__ = sound ? _fbb.CreateString(sound) : 0;
+  return com::fbs::app::CreateAnimal(
+      _fbb,
+      name__,
+      sound__,
+      weight);
+}
+
+inline const com::fbs::app::Animal *GetAnimal(const void *buf) {
+  return flatbuffers::GetRoot<com::fbs::app::Animal>(buf);
+}
+
+inline const com::fbs::app::Animal *GetSizePrefixedAnimal(const void *buf) {
+  return flatbuffers::GetSizePrefixedRoot<com::fbs::app::Animal>(buf);
+}
+
+inline bool VerifyAnimalBuffer(
+    flatbuffers::Verifier &verifier) {
+  return verifier.VerifyBuffer<com::fbs::app::Animal>(nullptr);
+}
+
+inline bool VerifySizePrefixedAnimalBuffer(
+    flatbuffers::Verifier &verifier) {
+  return verifier.VerifySizePrefixedBuffer<com::fbs::app::Animal>(nullptr);
+}
+
+inline void FinishAnimalBuffer(
+    flatbuffers::FlatBufferBuilder &fbb,
+    flatbuffers::Offset<com::fbs::app::Animal> root) {
+  fbb.Finish(root);
+}
+
+inline void FinishSizePrefixedAnimalBuffer(
+    flatbuffers::FlatBufferBuilder &fbb,
+    flatbuffers::Offset<com::fbs::app::Animal> root) {
+  fbb.FinishSizePrefixed(root);
+}
+
+}  // namespace app
+}  // namespace fbs
+}  // namespace com
+
+#endif  // FLATBUFFERS_GENERATED_ANIMAL_COM_FBS_APP_H_
diff --git a/android/app/src/main/fbs/animal.fbs b/android/app/src/main/fbs/animal.fbs
new file mode 100644
index 0000000..479e22b
--- /dev/null
+++ b/android/app/src/main/fbs/animal.fbs
@@ -0,0 +1,23 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+namespace com.fbs.app;
+
+table Animal {
+  name:string;
+  sound:string;
+  weight: uint16;
+}
+
+root_type Animal;
diff --git a/android/app/src/main/java/com/flatbuffers/app/MainActivity.kt b/android/app/src/main/java/com/flatbuffers/app/MainActivity.kt
new file mode 100644
index 0000000..cdc3573
--- /dev/null
+++ b/android/app/src/main/java/com/flatbuffers/app/MainActivity.kt
@@ -0,0 +1,51 @@
+package com.flatbuffers.app
+
+import android.annotation.SuppressLint
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.TextView
+import com.fbs.app.Animal
+import com.google.flatbuffers.FlatBufferBuilder
+import java.nio.ByteBuffer
+
+@ExperimentalUnsignedTypes
+class MainActivity : AppCompatActivity() {
+
+  @SuppressLint("SetTextI18n")
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.activity_main)
+
+    val tiger = Animal.getRootAsAnimal(ByteBuffer.wrap(createAnimalFromJNI()))
+    findViewById<TextView>(R.id.tv_animal_one).text = animalInfo(tiger)
+
+    findViewById<TextView>(R.id.tv_animal_two).text = animalInfo(createAnimalFromKotlin())
+  }
+
+  // This function is a sample of communicating FlatBuffers between JNI (native C++) and Java.
+  // Implementation can be found on animals.cpp file.
+  private external fun createAnimalFromJNI(): ByteArray
+
+  // Create a "Cow" Animal flatbuffers from Kotlin
+  private fun createAnimalFromKotlin():Animal {
+    val fb = FlatBufferBuilder(100)
+    val cowOffset = Animal.createAnimal(
+      builder = fb,
+      nameOffset = fb.createString("Cow"),
+      soundOffset = fb.createString("Moo"),
+      weight = 720u
+    )
+    fb.finish(cowOffset)
+    return Animal.getRootAsAnimal(fb.dataBuffer())
+  }
+
+  private fun animalInfo(animal: Animal): String =
+    "The ${animal.name} sound is ${animal.sound} and it weights ${animal.weight}kg."
+
+  companion object {
+    // Used to load the 'native-lib' library on application startup.
+    init {
+      System.loadLibrary("native-lib")
+    }
+  }
+}
diff --git a/android/app/src/main/java/generated/com/fbs/app/Animal.kt b/android/app/src/main/java/generated/com/fbs/app/Animal.kt
new file mode 100644
index 0000000..82cb37d
--- /dev/null
+++ b/android/app/src/main/java/generated/com/fbs/app/Animal.kt
@@ -0,0 +1,64 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+
+package com.fbs.app
+
+import java.nio.*
+import kotlin.math.sign
+import com.google.flatbuffers.*
+
+@Suppress("unused")
+@ExperimentalUnsignedTypes
+class Animal : Table() {
+
+    fun __init(_i: Int, _bb: ByteBuffer)  {
+        __reset(_i, _bb)
+    }
+    fun __assign(_i: Int, _bb: ByteBuffer) : Animal {
+        __init(_i, _bb)
+        return this
+    }
+    val name : String?
+        get() {
+            val o = __offset(4)
+            return if (o != 0) __string(o + bb_pos) else null
+        }
+    val nameAsByteBuffer : ByteBuffer get() = __vector_as_bytebuffer(4, 1)
+    fun nameInByteBuffer(_bb: ByteBuffer) : ByteBuffer = __vector_in_bytebuffer(_bb, 4, 1)
+    val sound : String?
+        get() {
+            val o = __offset(6)
+            return if (o != 0) __string(o + bb_pos) else null
+        }
+    val soundAsByteBuffer : ByteBuffer get() = __vector_as_bytebuffer(6, 1)
+    fun soundInByteBuffer(_bb: ByteBuffer) : ByteBuffer = __vector_in_bytebuffer(_bb, 6, 1)
+    val weight : UShort
+        get() {
+            val o = __offset(8)
+            return if(o != 0) bb.getShort(o + bb_pos).toUShort() else 0u
+        }
+    companion object {
+        fun validateVersion() = Constants.FLATBUFFERS_1_12_0()
+        fun getRootAsAnimal(_bb: ByteBuffer): Animal = getRootAsAnimal(_bb, Animal())
+        fun getRootAsAnimal(_bb: ByteBuffer, obj: Animal): Animal {
+            _bb.order(ByteOrder.LITTLE_ENDIAN)
+            return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb))
+        }
+        fun createAnimal(builder: FlatBufferBuilder, nameOffset: Int, soundOffset: Int, weight: UShort) : Int {
+            builder.startTable(3)
+            addSound(builder, soundOffset)
+            addName(builder, nameOffset)
+            addWeight(builder, weight)
+            return endAnimal(builder)
+        }
+        fun startAnimal(builder: FlatBufferBuilder) = builder.startTable(3)
+        fun addName(builder: FlatBufferBuilder, name: Int) = builder.addOffset(0, name, 0)
+        fun addSound(builder: FlatBufferBuilder, sound: Int) = builder.addOffset(1, sound, 0)
+        fun addWeight(builder: FlatBufferBuilder, weight: UShort) = builder.addShort(2, weight.toShort(), 0)
+        fun endAnimal(builder: FlatBufferBuilder) : Int {
+            val o = builder.endTable()
+            return o
+        }
+        fun finishAnimalBuffer(builder: FlatBufferBuilder, offset: Int) = builder.finish(offset)
+        fun finishSizePrefixedAnimalBuffer(builder: FlatBufferBuilder, offset: Int) = builder.finishSizePrefixed(offset)
+    }
+}
diff --git a/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..7706ab9
--- /dev/null
+++ b/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
diff --git a/android/app/src/main/res/drawable/ic_launcher_background.xml b/android/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/android/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
diff --git a/android/app/src/main/res/layout/activity_main.xml b/android/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..d339c22
--- /dev/null
+++ b/android/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  android:orientation="vertical"
+  android:gravity="center"
+  tools:context=".MainActivity">
+
+  <TextView
+    android:id="@+id/tv_animal_one"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    tools:text="Text Sample"/>
+
+  <TextView
+    android:id="@+id/tv_animal_two"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    tools:text="Text Sample 2"/>
+
+</LinearLayout>
diff --git a/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..6b78462
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
diff --git a/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..6b78462
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..a571e60
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..61da551
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..c41dd28
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..db5080a
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..6dba46d
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..da31a87
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..15ac681
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..b216f2d
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..f25a419
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..e96783c
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
Binary files differ
diff --git a/android/app/src/main/res/values/colors.xml b/android/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..030098f
--- /dev/null
+++ b/android/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#6200EE</color>
+    <color name="colorPrimaryDark">#3700B3</color>
+    <color name="colorAccent">#03DAC5</color>
+</resources>
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..71d53e9
--- /dev/null
+++ b/android/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+  <string name="app_name">FlatbuffersTestApp</string>
+</resources>
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..391ec9a
--- /dev/null
+++ b/android/app/src/main/res/values/styles.xml
@@ -0,0 +1,10 @@
+<resources>
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>
diff --git a/android/build.gradle b/android/build.gradle
index 5e9809b..d37c10c 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,108 +1,35 @@
-// Copyright (c) 2017 Google, Inc.
-//
-// This software is provided 'as-is', without any express or implied
-// warranty.  In no event will the authors be held liable for any damages
-// arising from the use of this software.
-// Permission is granted to anyone to use this software for any purpose,
-// including commercial applications, and to alter it and redistribute it
-// freely, subject to the following restrictions:
-// 1. The origin of this software must not be misrepresented; you must not
-// claim that you wrote the original software. If you use this software
-// in a product, an acknowledgment in the product documentation would be
-// appreciated but is not required.
-// 2. Altered source versions must be plainly marked as such, and must not be
-// misrepresented as being the original software.
-// 3. This notice may not be removed or altered from any source distribution.
-
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
+  ext.kotlin_version = "1.4.10"
   repositories {
+    google()
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.3.0'
+    classpath 'com.android.tools.build:gradle:4.1.0'
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+    // NOTE: Do not place your application dependencies here; they belong
+    // in the individual module build.gradle files
   }
 }
 
 allprojects {
   repositories {
+    google()
     jcenter()
   }
 }
 
-apply plugin: 'com.android.application'
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
+  sourceCompatibility = JavaVersion.VERSION_1_8
+  targetCompatibility = JavaVersion.VERSION_1_8
 
-android {
-  compileSdkVersion 25
-  buildToolsVersion '25.0.2'
-
-  sourceSets {
-    main {
-      manifest.srcFile 'AndroidManifest.xml'
-      res.srcDirs = ['res']
-    }
+  compileKotlin {
+    dependsOn flatbuffer
   }
+}
 
-  externalNativeBuild {
-    ndkBuild {
-      path "jni/Android.mk"
-    }
-  }
-
-  defaultConfig {
-    applicationId 'com.example.FlatBufferTest'
-    // This is the platform API where NativeActivity was introduced.
-    minSdkVersion 9
-    targetSdkVersion 25
-    versionCode 1
-    versionName "1.0"
-
-    buildTypes {
-      release {
-        minifyEnabled false
-      }
-    }
-
-    externalNativeBuild {
-      ndkBuild {
-        targets "FlatBufferTest"
-        arguments "-j" + Runtime.getRuntime().availableProcessors()
-        abiFilters "armeabi-v7a", "arm64-v8a", "x86", "x86_64"
-      }
-    }
-  }
-
-  lintOptions {
-    abortOnError false
-  }
-
-  // Build with each STL variant.
-  productFlavors {
-    stlport {
-      applicationIdSuffix ".stlport"
-      versionNameSuffix "-stlport"
-      externalNativeBuild {
-        ndkBuild {
-          arguments "APP_STL=stlport_static"
-        }
-      }
-    }
-    gnustl {
-      applicationIdSuffix ".gnustl"
-      versionNameSuffix "-gnustl"
-      externalNativeBuild {
-        ndkBuild {
-          arguments "APP_STL=gnustl_static"
-        }
-      }
-    }
-    libcpp {
-      applicationIdSuffix ".libcpp"
-      versionNameSuffix "-libcpp"
-      externalNativeBuild {
-        ndkBuild {
-          arguments "APP_STL=c++_static"
-        }
-      }
-    }
-  }
+task clean(type: Delete) {
+  delete rootProject.buildDir
 }
diff --git a/android/gradle.properties b/android/gradle.properties
new file mode 100644
index 0000000..9bb1cb2
--- /dev/null
+++ b/android/gradle.properties
@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 1e1168c..416f23c 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Jun 19 11:54:59 PDT 2017
+#Thu Oct 29 19:47:23 CET 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
diff --git a/android/jni/Android.mk b/android/jni/Android.mk
deleted file mode 100644
index e29c872..0000000
--- a/android/jni/Android.mk
+++ /dev/null
@@ -1,65 +0,0 @@
-# Copyright (c) 2013 Google, Inc.
-#
-# This software is provided 'as-is', without any express or implied
-# warranty.  In no event will the authors be held liable for any damages
-# arising from the use of this software.
-# Permission is granted to anyone to use this software for any purpose,
-# including commercial applications, and to alter it and redistribute it
-# freely, subject to the following restrictions:
-# 1. The origin of this software must not be misrepresented; you must not
-# claim that you wrote the original software. If you use this software
-# in a product, an acknowledgment in the product documentation would be
-# appreciated but is not required.
-# 2. Altered source versions must be plainly marked as such, and must not be
-# misrepresented as being the original software.
-# 3. This notice may not be removed or altered from any source distribution.
-
-LOCAL_PATH := $(call my-dir)/../..
-
-include $(LOCAL_PATH)/android/jni/include.mk
-LOCAL_PATH := $(call realpath-portable,$(LOCAL_PATH))
-
-# Empty static library so that other projects can include just the basic
-# FlatBuffers headers as a module.
-include $(CLEAR_VARS)
-LOCAL_MODULE := flatbuffers
-LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include
-LOCAL_EXPORT_CPPFLAGS := -std=c++11 -fexceptions -Wall \
-    -DFLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE
-
-include $(BUILD_STATIC_LIBRARY)
-
-# static library that additionally includes text parsing/generation/reflection
-# for projects that want richer functionality.
-include $(CLEAR_VARS)
-LOCAL_MODULE := flatbuffers_extra
-LOCAL_SRC_FILES := src/idl_parser.cpp \
-                   src/idl_gen_text.cpp \
-                   src/reflection.cpp \
-                   src/util.cpp \
-                   src/code_generators.cpp
-LOCAL_STATIC_LIBRARIES := flatbuffers
-LOCAL_ARM_MODE := arm
-include $(BUILD_STATIC_LIBRARY)
-
-# FlatBuffers test
-include $(CLEAR_VARS)
-LOCAL_MODULE := FlatBufferTest
-LOCAL_SRC_FILES := android/jni/main.cpp \
-                   tests/test.cpp \
-                   tests/test_assert.h \
-                   tests/test_builder.h \
-                   tests/test_assert.cpp \
-                   tests/test_builder.cpp \
-                   tests/native_type_test_impl.h \
-                   tests/native_type_test_impl.cpp \
-                   src/idl_gen_fbs.cpp \
-                   src/idl_gen_general.cpp
-LOCAL_LDLIBS := -llog -landroid -latomic
-LOCAL_STATIC_LIBRARIES := android_native_app_glue flatbuffers_extra
-LOCAL_ARM_MODE := arm
-include $(BUILD_SHARED_LIBRARY)
-
-$(call import-module,android/native_app_glue)
-
-$(call import-add-path,$(LOCAL_PATH)/../..)
diff --git a/android/jni/Application.mk b/android/jni/Application.mk
deleted file mode 100644
index ca9e800..0000000
--- a/android/jni/Application.mk
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright (c) 2014 Google, Inc.
-#
-# This software is provided 'as-is', without any express or implied
-# warranty.  In no event will the authors be held liable for any damages
-# arising from the use of this software.
-# Permission is granted to anyone to use this software for any purpose,
-# including commercial applications, and to alter it and redistribute it
-# freely, subject to the following restrictions:
-# 1. The origin of this software must not be misrepresented; you must not
-# claim that you wrote the original software. If you use this software
-# in a product, an acknowledgment in the product documentation would be
-# appreciated but is not required.
-# 2. Altered source versions must be plainly marked as such, and must not be
-# misrepresented as being the original software.
-# 3. This notice may not be removed or altered from any source distribution.
-APP_PLATFORM := android-9
-APP_PROJECT_PATH := $(call my-dir)/..
-APP_STL ?= stlport_static
-APP_ABI := armeabi-v7a
-APP_CPPFLAGS += -std=c++11
diff --git a/android/jni/build_flatc.bat b/android/jni/build_flatc.bat
deleted file mode 100644
index 0b3f2ad..0000000
--- a/android/jni/build_flatc.bat
+++ /dev/null
@@ -1,68 +0,0 @@
-@rem Copyright (c) 2013 Google, Inc.
-@rem
-@rem This software is provided 'as-is', without any express or implied
-@rem warranty.  In no event will the authors be held liable for any damages
-@rem arising from the use of this software.
-@rem Permission is granted to anyone to use this software for any purpose,
-@rem including commercial applications, and to alter it and redistribute it
-@rem freely, subject to the following restrictions:
-@rem 1. The origin of this software must not be misrepresented; you must not
-@rem claim that you wrote the original software. If you use this software
-@rem in a product, an acknowledgment in the product documentation would be
-@rem appreciated but is not required.
-@rem 2. Altered source versions must be plainly marked as such, and must not be
-@rem misrepresented as being the original software.
-@rem 3. This notice may not be removed or altered from any source distribution.
-@echo off
-
-setlocal enabledelayedexpansion
-
-set thispath=%~dp0
-
-rem Path to cmake passed in by caller.
-set cmake=%1
-rem Path to cmake project to build.
-set cmake_project_path=%2
-
-rem Newest and oldest version of Visual Studio that it's possible to select.
-set visual_studio_version_max=20
-set visual_studio_version_min=8
-
-rem Determine the newest version of Visual Studio installed on this machine.
-set visual_studio_version=
-for /L %%a in (%visual_studio_version_max%,-1,%visual_studio_version_min%) do (
-  echo Searching for Visual Studio %%a >&2
-  reg query HKLM\SOFTWARE\Microsoft\VisualStudio\%%a.0 /ve 1>NUL 2>NUL
-  if !ERRORLEVEL! EQU 0 (
-    set visual_studio_version=%%a
-    goto found_vs
-  )
-)
-echo Unable to determine whether Visual Studio is installed. >&2
-exit /B 1
-:found_vs
-
-rem Map Visual Studio version to cmake generator name.
-if "%visual_studio_version%"=="8" (
-  set cmake_generator=Visual Studio 8 2005
-)
-if "%visual_studio_version%"=="9" (
-  set cmake_generator=Visual Studio 9 2008
-)
-if %visual_studio_version% GEQ 10 (
-  set cmake_generator=Visual Studio %visual_studio_version%
-)
-rem Set visual studio version variable for msbuild.
-set VisualStudioVersion=%visual_studio_version%.0
-
-rem Generate Visual Studio solution.
-echo Generating solution for %cmake_generator%. >&2
-cd "%cmake_project_path%"
-%cmake% -G"%cmake_generator%"
-if %ERRORLEVEL% NEQ 0 (
-  exit /B %ERRORLEVEL%
-)
-
-rem Build flatc
-python %thispath%\msbuild.py flatc.vcxproj
-if ERRORLEVEL 1 exit /B 1
diff --git a/android/jni/include.mk b/android/jni/include.mk
deleted file mode 100644
index b53e257..0000000
--- a/android/jni/include.mk
+++ /dev/null
@@ -1,237 +0,0 @@
-# Copyright 2014 Google Inc. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# This file contains utility functions for Android projects using Flatbuffers.
-# To use this file, include it in your project's Android.mk by calling near the
-# top of your android makefile like so:
-#
-#     include $(FLATBUFFERS_DIR)/android/jni/include.mk
-#
-# You will also need to import the flatbuffers module using the standard
-# import-module function.
-#
-# The main functionality this file provides are the following functions:
-# flatbuffers_fbs_to_h: Converts flatbuffer schema paths to header paths.
-# flatbuffers_header_build_rule:
-#     Creates a build rule for a schema's generated header. This build rule
-#     has a dependency on the flatc compiler which will be built if necessary.
-# flatbuffers_header_build_rules:
-#     Creates build rules for generated headers for each schema listed and sets
-#     up depenedendies.
-#
-# More information and example usage can be found in the comments preceeding
-# each function.
-
-# Targets to build the Flatbuffers compiler as well as some utility definitions
-ifeq (,$(FLATBUFFERS_INCLUDE_MK_))
-FLATBUFFERS_INCLUDE_MK_ := 1
-
-# Portable version of $(realpath) that omits drive letters on Windows.
-realpath-portable = $(join $(filter %:,$(subst :,: ,$1)),\
-                      $(realpath $(filter-out %:,$(subst :,: ,$1))))
-
-PROJECT_OS := $(OS)
-ifeq (,$(OS))
-PROJECT_OS := $(shell uname -s)
-else
-ifneq ($(findstring Windows,$(PROJECT_OS)),)
-PROJECT_OS := Windows
-endif
-endif
-
-# The following block generates build rules which result in headers being
-# rebuilt from flatbuffers schemas.
-
-FLATBUFFERS_CMAKELISTS_DIR := \
-  $(call realpath-portable,$(dir $(lastword $(MAKEFILE_LIST)))/../..)
-
-# Directory that contains the FlatBuffers compiler.
-ifeq (Windows,$(PROJECT_OS))
-FLATBUFFERS_FLATC_PATH?=$(FLATBUFFERS_CMAKELISTS_DIR)
-FLATBUFFERS_FLATC := $(lastword \
-                       $(wildcard $(FLATBUFFERS_FLATC_PATH)/*/flatc.exe) \
-                       $(wildcard $(FLATBUFFERS_FLATC_PATH)/flatc.exe))
-endif
-ifeq (Linux,$(PROJECT_OS))
-FLATBUFFERS_FLATC_PATH?=$(FLATBUFFERS_CMAKELISTS_DIR)
-FLATBUFFERS_FLATC := $(FLATBUFFERS_FLATC_PATH)/flatc
-endif
-ifeq (Darwin,$(PROJECT_OS))
-FLATBUFFERS_FLATC_PATH?=$(FLATBUFFERS_CMAKELISTS_DIR)
-FLATBUFFERS_FLATC := $(lastword \
-                       $(wildcard $(FLATBUFFERS_FLATC_PATH)/*/flatc) \
-                       $(wildcard $(FLATBUFFERS_FLATC_PATH)/flatc))
-endif
-
-FLATBUFFERS_FLATC_ARGS?=
-
-# Search for cmake.
-CMAKE_ROOT := \
-  $(call realpath-portable,$(LOCAL_PATH)/../../../../../../prebuilts/cmake)
-ifeq (,$(CMAKE))
-ifeq (Linux,$(PROJECT_OS))
-CMAKE := $(wildcard $(CMAKE_ROOT)/linux-x86/current/bin/cmake*)
-endif
-ifeq (Darwin,$(PROJECT_OS))
-CMAKE := \
-  $(wildcard $(CMAKE_ROOT)/darwin-x86_64/current/*.app/Contents/bin/cmake)
-endif
-ifeq (Windows,$(PROJECT_OS))
-CMAKE := $(wildcard $(CMAKE_ROOT)/windows/current/bin/cmake*)
-endif
-endif
-ifeq (,$(CMAKE))
-CMAKE := cmake
-endif
-
-# Windows friendly portable local path.
-# GNU-make doesn't like : in paths, must use relative paths on Windows.
-ifeq (Windows,$(PROJECT_OS))
-PORTABLE_LOCAL_PATH =
-else
-PORTABLE_LOCAL_PATH = $(LOCAL_PATH)/
-endif
-
-# Generate a host build rule for the flatbuffers compiler.
-ifeq (Windows,$(PROJECT_OS))
-define build_flatc_recipe
-	$(FLATBUFFERS_CMAKELISTS_DIR)\android\jni\build_flatc.bat \
-        $(CMAKE) $(FLATBUFFERS_CMAKELISTS_DIR)
-endef
-endif
-ifeq (Linux,$(PROJECT_OS))
-define build_flatc_recipe
-	+cd $(FLATBUFFERS_CMAKELISTS_DIR) && \
-      $(CMAKE) . && \
-      $(MAKE) flatc
-endef
-endif
-ifeq (Darwin,$(PROJECT_OS))
-define build_flatc_recipe
-	cd $(FLATBUFFERS_CMAKELISTS_DIR) && "$(CMAKE)" -GXcode . && \
-        xcodebuild -target flatc
-endef
-endif
-ifeq (,$(build_flatc_recipe))
-ifeq (,$(FLATBUFFERS_FLATC))
-$(error flatc binary not found!)
-endif
-endif
-
-# Generate a build rule for flatc.
-ifeq ($(strip $(FLATBUFFERS_FLATC)),)
-flatc_target := build_flatc
-.PHONY: $(flatc_target)
-FLATBUFFERS_FLATC := \
-  python $(FLATBUFFERS_CMAKELISTS_DIR)/android/jni/run_flatc.py \
-    $(FLATBUFFERS_CMAKELISTS_DIR)
-else
-flatc_target := $(FLATBUFFERS_FLATC)
-endif
-$(flatc_target):
-	$(call build_flatc_recipe)
-
-# $(flatbuffers_fbs_to_h schema_dir,output_dir,path)
-#
-# Convert the specified schema path to a Flatbuffers generated header path.
-# For example:
-#
-# $(call flatbuffers_fbs_to_h,$(MY_PROJ_DIR)/schemas,\
-#   $(MY_PROJ_DIR)/gen/include,$(MY_PROJ_DIR)/schemas/example.fbs)
-#
-# This will convert the file path `$(MY_PROJ_DIR)/schemas/example.fbs)` to
-# `$(MY_PROJ_DIR)/gen/include/example_generated.h`
-define flatbuffers_fbs_to_h
-$(subst $(1),$(2),$(patsubst %.fbs,%_generated.h,$(3)))
-endef
-
-# $(flatbuffers_header_build_rule schema_file,schema_dir,output_dir,\
-#   schema_include_dirs)
-#
-# Generate a build rule that will convert a Flatbuffers schema to a generated
-# header derived from the schema filename using flatbuffers_fbs_to_h. For
-# example:
-#
-# $(call flatbuffers_header_build_rule,$(MY_PROJ_DIR)/schemas/example.fbs,\
-#   $(MY_PROJ_DIR)/schemas,$(MY_PROJ_DIR)/gen/include)
-#
-# The final argument, schema_include_dirs, is optional and is only needed when
-# the schema files depend on other schema files outside their own directory.
-define flatbuffers_header_build_rule
-$(eval \
-  $(call flatbuffers_fbs_to_h,$(2),$(3),$(1)): $(1) $(flatc_target)
-	$(call host-echo-build-step,generic,Generate) \
-      $(subst $(LOCAL_PATH)/,,$(call flatbuffers_fbs_to_h,$(2),$(3),$(1)))
-	$(hide) $$(FLATBUFFERS_FLATC) $(FLATBUFFERS_FLATC_ARGS) \
-      $(foreach include,$(4),-I $(include)) -o $$(dir $$@) -c $$<)
-endef
-
-# TODO: Remove when the LOCAL_PATH expansion bug in the NDK is fixed.
-# Override the default behavior of local-source-file-path to workaround
-# a bug which prevents the build of deeply nested projects when NDK_OUT is
-# set.
-local-source-file-path=\
-$(if $(call host-path-is-absolute,$1),$1,$(call \
-    realpath-portable,$(LOCAL_PATH)/$1))
-
-
-# $(flatbuffers_header_build_rules schema_files,schema_dir,output_dir,\
-#   schema_include_dirs,src_files,[build_target],[dependencies]))
-#
-# $(1) schema_files: Space separated list of flatbuffer schema files.
-# $(2) schema_dir: Directory containing the flatbuffer schemas.
-# $(3) output_dir: Where to place the generated files.
-# $(4) schema_include_dirs: Directories to include when generating schemas.
-# $(5) src_files: Files that should depend upon the headers generated from the
-#   flatbuffer schemas.
-# $(6) build_target: Name of a build target that depends upon all generated
-#   headers.
-# $(7) dependencies: Space seperated list of additional build targets src_files
-#   should depend upon.
-#
-# Use this in your own Android.mk file to generate build rules that will
-# generate header files for your flatbuffer schemas as well as automatically
-# set your source files to be dependent on the generated headers. For example:
-#
-# $(call flatbuffers_header_build_rules,$(MY_PROJ_SCHEMA_FILES),\
-#   $(MY_PROJ_SCHEMA_DIR),$(MY_PROJ_GENERATED_OUTPUT_DIR),
-#   $(MY_PROJ_SCHEMA_INCLUDE_DIRS),$(LOCAL_SRC_FILES))
-#
-# NOTE: Due problesm with path processing in ndk-build when presented with
-# deeply nested projects must redefine LOCAL_PATH after include this makefile
-# using:
-#
-# LOCAL_PATH := $(call realpath-portable,$(LOCAL_PATH))
-#
-define flatbuffers_header_build_rules
-$(foreach schema,$(1),\
-  $(call flatbuffers_header_build_rule,\
-    $(schema),$(strip $(2)),$(strip $(3)),$(strip $(4))))\
-$(foreach src,$(strip $(5)),\
-  $(eval $(call local-source-file-path,$(src)): \
-    $(foreach schema,$(strip $(1)),\
-      $(call flatbuffers_fbs_to_h,$(strip $(2)),$(strip $(3)),$(schema)))))\
-$(if $(6),\
-  $(foreach schema,$(strip $(1)),\
-    $(eval $(6): \
-      $(call flatbuffers_fbs_to_h,$(strip $(2)),$(strip $(3)),$(schema)))),)\
-$(if $(7),\
-  $(foreach src,$(strip $(5)),\
-      $(eval $(call local-source-file-path,$(src)): $(strip $(7)))),)\
-$(if $(7),\
-  $(foreach dependency,$(strip $(7)),\
-      $(eval $(6): $(dependency))),)
-endef
-
-endif  # FLATBUFFERS_INCLUDE_MK_
diff --git a/android/jni/main.cpp b/android/jni/main.cpp
deleted file mode 100644
index 0d64349..0000000
--- a/android/jni/main.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright 2014 Google Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <android_native_app_glue.h>
-
-extern int main(int argc, char **argv);
-
-void android_main(android_app *app) {
-  // Make sure glue isn't stripped.
-  app_dummy();
-
-  main(0, NULL);
-}
diff --git a/android/jni/msbuild.py b/android/jni/msbuild.py
deleted file mode 100644
index 5f92d70..0000000
--- a/android/jni/msbuild.py
+++ /dev/null
@@ -1,77 +0,0 @@
-#!/usr/bin/python
-# Copyright 2014 Google Inc. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""Simple script that locates the newest MSBuild in one of several locations.
-
-This script will find the highest version number of MSBuild and run it,
-passing its arguments through to MSBuild.
-"""
-
-import glob
-import os
-import re
-import string
-import subprocess
-import sys
-
-SYSTEMROOT = os.getenv("SYSTEMROOT", "c:\\windows")
-PROGRAM_FILES = os.getenv("ProgramFiles", "c:\\Program Files")
-PROGRAM_FILES_X86 = os.getenv("ProgramFiles(x86)", "c:\\Program Files (x86)")
-
-SEARCH_FOLDERS = [ PROGRAM_FILES + "\\MSBuild\\*\\Bin\\MSBuild.exe",
-                   PROGRAM_FILES_X86 + "\\MSBuild\\*\\Bin\\MSBuild.exe",
-                   SYSTEMROOT + "\\Microsoft.NET\Framework\\*\\MSBuild.exe" ]
-
-def compare_version(a, b):
-  """Compare two version number strings of the form W.X.Y.Z.
-
-  The numbers are compared most-significant to least-significant.
-  For example, 12.345.67.89 > 2.987.88.99.
-
-  Args:
-    a: First version number string to compare
-    b: Second version number string to compare
-
-  Returns:
-    0 if the numbers are identical, a positive number if 'a' is larger, and
-    a negative number if 'b' is larger.
-  """
-  aa = string.split(a, ".")
-  bb = string.split(b, ".")
-  for i in range(0, 4):
-    if aa[i] != bb[i]:
-      return cmp(int(aa[i]), int(bb[i]))
-  return 0
-
-def main():
-  msbuilds = []
-
-  for folder in SEARCH_FOLDERS:
-    for file in glob.glob(folder):
-      p = subprocess.Popen([file, "/version"], stdout=subprocess.PIPE)
-      out, err = p.communicate()
-      match = re.search("^[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+$", out, re.M)
-      if match:
-        msbuilds.append({ 'ver':match.group(), 'exe':file })
-  msbuilds.sort(lambda x, y: compare_version(x['ver'], y['ver']), reverse=True)
-  if len(msbuilds) == 0:
-    print "Unable to find MSBuild.\n"
-    return -1;
-  cmd = [msbuilds[0]['exe']]
-  cmd.extend(sys.argv[1:])
-  return subprocess.call(cmd)
-
-if __name__ == '__main__':
-  sys.exit(main())
diff --git a/android/jni/run_flatc.py b/android/jni/run_flatc.py
deleted file mode 100755
index cda13bb..0000000
--- a/android/jni/run_flatc.py
+++ /dev/null
@@ -1,46 +0,0 @@
-#!/usr/bin/python
-# Copyright 2015 Google Inc. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import os
-import platform
-import subprocess
-import sys
-
-EXECUTABLE_EXTENSION = '.exe' if platform.system() == 'Windows' else ''
-# Paths to search for flatc relative to the current working directory.
-FLATC_SEARCH_PATHS = [os.path.curdir, 'Release', 'Debug']
-
-def main():
-  """Script that finds and runs flatc built from source."""
-  if len(sys.argv) < 2:
-    sys.stderr.write('Usage: run_flatc.py flatbuffers_dir [flatc_args]\n')
-    return 1
-  cwd = os.getcwd()
-  flatc = ''
-  flatbuffers_dir = sys.argv[1]
-  for path in FLATC_SEARCH_PATHS:
-    current = os.path.join(flatbuffers_dir, path,
-                           'flatc' + EXECUTABLE_EXTENSION)
-    if os.path.exists(current):
-      flatc = current
-      break
-  if not flatc:
-    sys.stderr.write('flatc not found\n')
-    return 1
-  command = [flatc] + sys.argv[2:]
-  return subprocess.call(command)
-
-if __name__ == '__main__':
-  sys.exit(main())
diff --git a/android/res/values/strings.xml b/android/res/values/strings.xml
deleted file mode 100644
index ec75239..0000000
--- a/android/res/values/strings.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (c) 2014 Google, Inc.
-
-     This software is provided 'as-is', without any express or implied
-     warranty.  In no event will the authors be held liable for any damages
-     arising from the use of this software.
-     Permission is granted to anyone to use this software for any purpose,
-     including commercial applications, and to alter it and redistribute it
-     freely, subject to the following restrictions:
-     1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-     2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-     3. This notice may not be removed or altered from any source distribution.
- -->
-<resources>
-    <string name="app_name">FlatBufferTest</string>
-</resources>
diff --git a/android/settings.gradle b/android/settings.gradle
new file mode 100644
index 0000000..c4c0afb
--- /dev/null
+++ b/android/settings.gradle
@@ -0,0 +1,2 @@
+include ':app'
+rootProject.name = "FlatbuffersTest"