android – 每当在整个应用程序中启动一个新的Activity时,我可以在App类中获得回调吗？

概述我的应用程序使用第三方登录库和其他一些库. 这会开启自己的活动. 我只想在某些活动打开时通知我的应用程序. 例如,每当从我的应用程序打开“呼叫活动”屏幕时. 这是完美的例子 https://github.com/BoD/android-activitylifecyclecallbacks-compat/blob/master/example-project/src/org/jraf/android 我的应用程序使用第三方登录库和其他一些库.
这会开启自己的活动.
我只想在某些活动打开时通知我的应用程序.
例如,每当从我的应用程序打开“呼叫活动”屏幕时.解决方法 这是完美的例子

https://github.com/BoD/android-activitylifecyclecallbacks-compat/blob/master/example-project/src/org/jraf/android/util/activitylifecyclecallbackscompat/example/Application.java

在Xamarin AndroID(C#)中看起来像这段代码

https://developer.android.com/reference/android/app/Application.ActivityLifecycleCallbacks.html

与我正在寻找的东西很相似

http://xandroid4net.blogspot.in/2013/11/how-to-capture-unhandled-exceptions.html

[Application]    class UnhandledExceptionExampleApplication : Application,Application.IActivitylifecycleCallbacks    {        private Activity _CurrentActivity;        public Activity CurrentActivity        {            get { return _CurrentActivity; }            set { _CurrentActivity = value; }        }        public UnhandledExceptionExampleApplication(IntPtr handle,JniHandleOwnership transfer)            : base(handle,transfer)        {        }        public overrIDe voID OnCreate()        {            base.OnCreate();            AndroIDEnvironment.UnhandledExceptionRaiser += (sender,args) =>            {                /*                 * When the UI Thread crashes this is the code that will be executed. There is no context at this point                 * and no way to recover from the exception. This is where you would capture the error and log it to a                  * file for example. You might be able to post to a web handler,I have not trIEd that.                 *                  * You can access the information about the exception in the args.Exception object.                 */            };            AppDomain.CurrentDomain.UnhandledException += (s,e) =>            {                /*                 * When a background thread crashes this is the code that will be executed. You can                 * recover from this.                 * You might for example:                 *  _CurrentActivity.RunOnUiThread(() => Toast.MakeText(_CurrentActivity,"Unhadled Exception was thrown",ToastLength.Short).Show());                 *                   * or                 *                  * _CurrentActivity.StartActivity(typeof(SomeClass));                 * _CurrentActivity.Finish();                 *                 * It is up to the developer as to what he/she wants to do here.                 *                  * If you are requiring a minimum version less than API 14,you would have to set _CurrentActivity in each time                 * the a different activity is brought to the foreground.                 */            };        }        // IActivitylifecycleCallbacks Requires App to target API 14 and above. This can be used to keep track of the current Activity        #region IActivitylifecycleCallbacks Members         public voID OnActivityCreated(Activity activity,Bundle savedInstanceState)        {            _CurrentActivity = activity;            //throw new NotImplementedException();        }         public voID OnActivityDestroyed(Activity activity)        {            //throw new NotImplementedException();        }         public voID OnActivityPaused(Activity activity)        {            //throw new NotImplementedException();        }         public voID OnActivityResumed(Activity activity)        {            //throw new NotImplementedException();        }         public voID OnActivitySaveInstanceState(Activity activity,Bundle outState)        {            //throw new NotImplementedException();        }         public voID OnActivityStarted(Activity activity)        {            throw new NotImplementedException();        }         public voID OnActivityStopped(Activity activity)        {            throw new NotImplementedException();        } #endregion    }

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