jesselima

public class MainActivity extends Activity {

  private final MyActivityLifecycleCallbacks mCallbacks = new MyActivityLifecycleCallbacks();

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // Always register before calling into the super class.
    getApplication().registerActivityLifecycleCallbacks(mCallbacks);
    
    super.onCreate(savedInstanceState);

jesselima

Add local .aar file

1. basic build.gradle directory using flatDir

repositories {
    mavenCentral()
    flatDir {
 dirs 'libs'

jesselima

public abstract class AppBarStateChangedListener implements AppBarLayout.OnOffsetChangedListener {

    public enum State {
        EXPANDED,
        COLLAPSED,
        IDLE
    }

    private State mCurrentState = State.IDLE;