Android Open Source - playnomics-android Activity Observer

• Back to Development/sdk  ↑

From Project

Back to project page playnomics-android.

License

The source code is released under:

Apache License

Java Source Code

package com.playnomics.android.session;
/*from   w ww. j a v a2  s  . co m*/
import java.util.concurrent.ConcurrentLinkedQueue;

import android.app.Activity;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;

import com.playnomics.android.util.Util;

/**
 * @author jaredjenkins Tracks the life-cycle of Activities as a proxy for
 *         session state machine, and user interaction with the Activity.
 */
public class ActivityObserver implements IActivityObserver {
  private SessionStateMachine stateMachine;
  private ConcurrentLinkedQueue<Activity> activities;
  private Util util;

  public ActivityObserver(Util util) {
    this.util = util;
    this.activities = new ConcurrentLinkedQueue<Activity>();
  }

  public void setStateMachine(SessionStateMachine stateMachine) {
    this.stateMachine = stateMachine;
  }

  /**
   * @param activity
   *            Enqueues the activity and attaches a proxy object on the
   *            callback so that the SDK can observe and track user
   *            interaction.
   */
  public void observeNewActivity(Activity activity,
      final TouchEventHandler handler) {
    util.overrideActivityWindowCallback(activity, handler);
    activities.add(activity);
    stateMachine.resume();
  }

  /**
   * Dequeues the previously observed activity. When there are no longer any
   * more activities to observe we assume that the application has been
   * paused, and can be killed or resumed at some future state.
   */
  public void forgetLastActivity() {
    Activity activity = activities.remove();
    util.removeWindowCallback(activity);
    mHandler.sendEmptyMessageDelayed(0, 500);
  }

  private Handler mHandler = new Handler(Looper.getMainLooper()) {
    @Override
    public void handleMessage(Message msg) {
      if (activities.isEmpty()) {
        stateMachine.pause();
      }
    }
  };

}

Java Source Code List

• Back to Development/sdk  ↑