trkpt/app/build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion project.ext.compileSdkVersion
    buildToolsVersion project.ext.buildToolsVersion

    defaultConfig {
        applicationId project.ext.applicationId
        minSdkVersion project.ext.minSdkVersion
        targetSdkVersion project.ext.targetSdkVersion
        versionCode project.ext.versionCode
        versionName project.ext.versionName
        vectorDrawables.useSupportLibrary = true
    }
    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    compile 'com.android.support:appcompat-v7:' + supportLibraryVersion
    compile 'com.android.support:design:' + supportLibraryVersion
    compile 'com.android.support:cardview-v7:' + supportLibraryVersion
    compile 'org.osmdroid:osmdroid-android:' + osmdroidVersion
    compile 'com.google.code.gson:gson:' + gsonVersion
}