public class ExampleApplication extends Application {
	
	    private RefWatcher mRefWatcher;
	
	    @Override
	    public void onCreate() {
	        super.onCreate();
	        mRefWatcher = LeakCanary.install(this);
	    }
	
	}


    public void watchActivities() {
        this.stopWatchingActivities();
        this.application.registerActivityLifecycleCallbacks(this.lifecycleCallbacks);
    }


private final ActivityLifecycleCallbacks lifecycleCallbacks = new ActivityLifecycleCallbacks() {
    public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
    }

    public void onActivityStarted(Activity activity) {
    }

    public void onActivityResumed(Activity activity) {
    }

    public void onActivityPaused(Activity activity) {
    }

    public void onActivityStopped(Activity activity) {
    }

    public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
    }

    public void onActivityDestroyed(Activity activity) {
        ActivityRefWatcher.this.onActivityDestroyed(activity);
    }
};