syncthing-android/build.gradle

buildscript {
    repositories {
        mavenCentral()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:0.12.+'
        classpath 'com.alexvasilkov:android_sign:0.2+'
    }
}

import java.util.regex.Pattern

apply plugin: 'com.android.application'
apply plugin: 'android_sign'

repositories {
    mavenCentral()
}

dependencies {
    compile 'com.android.support:appcompat-v7:19.1.+'
    compile project(':android-support-v4-preferencefragment')
}

preBuild {
    dependsOn 'buildNative'
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.1.0"

    defaultConfig {
        versionCode getVersionCodeFromManifest()
    }

    sourceSets {
        main {
            jniLibs.srcDir file("libs/")
        }
    }

    signingConfigs {
        release {
            // Android Studio does not pass environment variables.
            // This means you have to use the command line for release builds.
            def ks = System.getenv("KEYSTORE")
            def ka = System.getenv("KEY_ALIAS")
            if (ks != null && ka != null) {
                storeFile file(ks)
                keyAlias ka
            }
        }
    }

    buildTypes {
        debug {
            applicationIdSuffix ".debug"
            debuggable true
        }
        release {
            signingConfig signingConfigs.release
        }
    }

    productFlavors {
        x86 {
            versionCode Integer.parseInt("4" + defaultConfig.versionCode)
            ndk {
                abiFilter "x86"
            }
        }
        armeabi_v7a {
            versionCode Integer.parseInt("3" + defaultConfig.versionCode)
            ndk {
                abiFilter "armeabi-v7a"
            }
        }
        armeabi {
            versionCode Integer.parseInt("2" + defaultConfig.versionCode)
            ndk {
                abiFilter "armeabi"
            }
        }
        mips {
            versionCode Integer.parseInt("1" + defaultConfig.versionCode)
            ndk {
                abiFilter "mips"
            }
        }
        fat {
            versionCode Integer.parseInt("0" + defaultConfig.versionCode)
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_7
        targetCompatibility JavaVersion.VERSION_1_7
    }
}

def getVersionCodeFromManifest() {
    def manifestFile = file(android.sourceSets.main.manifest.srcFile)
    def pattern = Pattern.compile("versionCode=\"(\\d+)\"")
    def matcher = pattern.matcher(manifestFile.getText())
    matcher.find()
    return Integer.parseInt(matcher.group(1))
}

task buildNative(type: Exec) {
    outputs.upToDateWhen { false }
    executable = './build-syncthing.sh'
}

task copyNative(type: Copy) {
    def lib_dir = "libs/"
    new File(lib_dir).mkdirs()
    def st_dir = "bin/";
    from st_dir + 'syncthing-x86', st_dir + 'syncthing-armeabi', st_dir + 'syncthing-armeabi-v7a';
    into lib_dir
    rename('syncthing-x86', 'x86/libsyncthing.so')
    rename('syncthing-armeabi-v7a', 'armeabi-v7a/libsyncthing.so')
    rename('syncthing-armeabi', 'armeabi/libsyncthing.so')
}
buildNative.finalizedBy copyNative

task cleanBin(type: Delete) {
    delete 'bin/'
}
copyNative.finalizedBy cleanBin

task cleanNative(type: Delete) {
    delete 'bin/'
    delete 'build/'
    delete 'libs/'
    delete 'ext/syncthing/bin/'
    delete 'ext/syncthing/pkg/'
}
clean.dependsOn cleanNative