1 files changed, 79 insertions, 0 deletions
diff --git a/android/flatbuffers/build.gradle b/android/flatbuffers/build.gradle
new file mode 100644
index 0000000..ccd0ce7
--- /dev/null
+++ b/android/flatbuffers/build.gradle
@@ -0,0 +1,79 @@
+plugins {
+    id 'com.android.library'
+    id "de.undercouch.download" version "5.0.1"
+}
+
+def thirdPartyDir = new File ("${rootProject.projectDir}/third_party")
+
+def flatbuffersDir = new File("${thirdPartyDir}/flatbuffers-2.0.0")
+
+android {
+    compileSdkVersion 31
+    ndkVersion "21.3.6528147"
+    defaultConfig {
+        minSdkVersion 28
+        targetSdkVersion 31
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        externalNativeBuild {
+            cmake {
+                arguments '-DCMAKE_VERBOSE_MAKEFILE=1'
+                arguments '-DCMAKE_INSTALL_PREFIX:PATH=/usr'
+                arguments '-DANDROID_STL=c++_shared'
+                arguments "-DANDROID_NDK_HOME=${System.env.ANDROID_NDK_ROOT}"
+                arguments '-DFLATBUFFERS_BUILD_TESTS=OFF'
+                arguments '-DFLATBUFFERS_BUILD_FLATC=OFF'
+                arguments '-DFLATBUFFERS_BUILD_FLATHASH=OFF'
+                arguments '-DFLATBUFFERS_BUILD_CPP17=ON'
+                arguments '-DFLATBUFFERS_INSTALL=OFF'
+                cppFlags "-std=c++17"
+                abiFilters 'arm64-v8a', 'x86'
+                targets "flatbuffers"
+            }
+        }
+    }
+    buildFeatures {
+        prefab false
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path "${flatbuffersDir}/CMakeLists.txt"
+        }
+    }
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}
+
+task downloadFlatBuffers(type: Download) {
+    doFirst {
+        println("Downloading FlatBuffers")
+    }
+    src "https://github.com/google/flatbuffers/archive/refs/tags/v2.0.0.zip"
+    dest new File(thirdPartyDir, "flatbuffers.zip")
+    onlyIfModified true
+}
+
+task unzipFlatBuffers(type: Copy, dependsOn: downloadFlatBuffers) {
+    doFirst {
+        println("Unzipping FlatBuffers")
+    }
+    from zipTree(downloadFlatBuffers.dest)
+    into thirdPartyDir
+    onlyIf { !flatbuffersDir.exists() }
+}
+
+task wrapper(type: Wrapper) {
+    gradleVersion = '4.1'
+}
+
+preBuild.dependsOn(unzipFlatBuffers)