
正文
UIApplicationDelegate里面最常用的几个函数执行顺序小结
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(1)点击桌面图标正常启动App或者杀死进程后点击推送消息启动App
1.application:willFinishLaunchingWithOptions2.application:application:didFinishLaunchingWithOptions3.applicationDidBecomeActive4.application:didRegisterForRemoteNotificationsWithDeviceToken
(2)拖下通知中心/双击Home键使App界面上移
applicationWillResignActive
(3)拖上通知中心/使App界面恢复原位
applicationDidBecomeActive
(4)按Home键使App进入后台
.applicationWillResignActive.applicationDidEnterBackground
(5)点击App图标,使App从后台恢复至前台
.applicationWillEnterForeground.applicationDidBecomeActive
(6)点击通知中心里面的远程推送,使App从后台进入前台
.applicationWillEnterForeground.application:didReceiveRemoteNotification.applicationDidBecomeActive
(7)按住减号图标杀死App进程
applicationWillTerminate
(8)从APP切换到微信之类的其他应用之后,再切换回来时
.applicationWillEnterForeground.application:openURL:sourceApplication.applicationDidBecomeActive
注:当程序处于后台时,点击推送消息进入前台会执行application:didReceiveRemoteNotification,但直接点击推送消息启动App是不会执行该didReceiveRemoteNotification的,在didFinishLaunchingWithOptions的options里面已经有数据表明当前是直接启动还是点击推送消息启动,localNotification与remote类似,略。






