Android Espresso, Wake up device before test. How to use a custom manifest for test?

Question

I\'ve been writing tests with androids new espresso framework and find that it works well. One annoying thing (not particular to espresso) is that I have to make sure my scr

Answer 1

Another best way to wake up device before test. Simply add ActivityLifecycleCallback in your setUp method.

public class Moduletest extends ActivityInstrumentationTestCase2{

 protected void setUp(){
    super.setUp();

    ActivityLifecycleMonitorRegistry.getInstance().addLifecycleCallback(new ActivityLifecycleCallback() {
      @Override public void onActivityLifecycleChanged(Activity activity, Stage stage) {
        if (stage == Stage.PRE_ON_CREATE) {
          activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        }
      }
    });
  }
}