1. new Module -> Android Library
2. new -> Java Class for your Java code.
3. new -> Folder -> JNI folder
4. new -> C++ Class for your C++ code
5. new -> Folder -> Assets folder for your plugin asset files.
6. edit build.gradle for your library
apply plugin: 'com.android.library'
android {
compileSdkVersion 24
buildToolsVersion "24.0.1"
defaultConfig {
minSdkVersion 15
targetSdkVersion 24
versionCode 1
versionName "1.0"
ndk {
moduleName "unity_plugin"
// STL library
stl "gnustl_static"
// target platforms
abiFilters "armeabi-v7a", "x86"
// link other libraries for your C++ code
String path = file(projectDir).absolutePath + "/src/main/jniLibs/\$(TARGET_ARCH_ABI)/"
ldLibs "log", "z", "m", "android", path+"libCustom.so"
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_6
targetCompatibility JavaVersion.VERSION_1_6
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:24.2.0'
// reference for Unity Java classes,
// see https://docs.unity3d.com/Manual/PluginsForAndroid.html
// "Extending the UnityPlayerActivity Java Code" part
provided files('classes.jar')
}
7. add permissions in AndroidManifest.xml,
such as < uses-permission android:name="android.permission.INTERNET" >
8. double click on YourApplication.:YourLibrary.Tasks.build.assembleRelease in Gradle projects panel to generate the release version of AAR.
9. copy AAR to Unity Assets/Plugins/Android folder.
