Common build.gradle snippets for Android

android_build_types.gradle

// Android debug/release build types including package renaming for debug
android {
    buildTypes {
        debug {
            zipAlign true
            debuggable true
            runProguard false
            packageNameSuffix ".debug"
            versionNameSuffix "-debug"
            signingConfig signingConfigs.debugSigning
        }

        release {
            zipAlign true
            debuggable false
            runProguard true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
            signingConfig signingConfigs.releaseSigning
        }
    }
}

gradle.properties

# Specify the keystore locations that are referenced in the signing.gradle snippet
DEBUG_STORE_FILE=../../.android/debug.keystore
RELEASE_STORE_FILE=../../release.keystore
RELEASE_KEY_ALIAS=myapp

info.gradle

// Add this to your parent build.gradle
println """\
Welcome to Gradle $gradle.gradleVersion - http://www.gradle.org
Gradle home is set to: $gradle.gradleHomeDir
Gradle user directory is set to: $gradle.gradleUserHomeDir

Base directory: $projectDir
Running script ${relativePath(buildFile)}
"""

signing.gradle

// Android signing configuration with password prompt for release builds
android {
    signingConfigs {
        debugSigning {
            storeFile file(DEBUG_STORE_FILE)
            storePassword "android"
            keyAlias "androiddebugkey"
            keyPassword "android"
        }

        releaseSigning {
            storeFile file(RELEASE_STORE_FILE)
            storePassword System.console() != null ? new String(System.console().readPassword("\nStore password: ")) : ""
            keyAlias RELEASE_KEY_ALIAS
            keyPassword System.console() != null ? new String(System.console().readPassword("\nKey password: ")) : ""
        }
    }
}

sourcesets.gradle

// Add this to the app's build.gradle (if needed) to specify sources
android {
    sourceSets {
        main {
            manifest.srcFile 'src/main/AndroidManifest.xml'
            java.srcDirs = ['src/main/java']
            res.srcDirs = ['src/main/res']
        }
        
        androidTest {
            java.srcDirs ['src/androidTest/java']
        }
    }
}