traccar-client-android/traccar-client/build.gradle

apply plugin: 'android'

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.1"

    signingConfigs {
        release {
            storeFile file('/home/user/Documents/android.keystore')
            keyAlias "tananaev"
        }
    }

    buildTypes {
        release {
            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
            signingConfig signingConfigs.release
        }
    }
}

tasks.whenTaskAdded { task ->
    if (task.name == 'validateReleaseSigning') {
        task.dependsOn keystoreInfo
    }
}

task keystoreInfo << {
    def password = System.console().readPassword('\n\nKeystore password: ')
    android.signingConfigs.release.storePassword = new String(password)
    android.signingConfigs.release.keyPassword = new String(password)
}

dependencies {
}