iOS点击推送消息跳转处理
当用户通过点击通知消息进入应用时
- (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions
launchOptions
中会有推送消息的userInfo信息,此时我们可以通过
NSDictionary* remoteNotification = [launchOptions objectForKey:UIApplicationLaunchOptionsRemoteNotificationKey];
获得推送消息内容。如果remoteNotification不为空,则说明用户通过推送消息进入,那么可以声明一个属性
@property (nonatomic) BOOL isLaunchedByNotification;
用于标识用户是否通过点击通知消息进入本应用。此时,
- (void)application:(UIApplication*)application didReceiveRemoteNotification:(NSDictionary*)userInfo
一定会被调用,iOS7可以使用
- (void)application:(UIApplication*)application didReceiveRemoteNotification:(NSDictionary*)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
因为此方法的调用时,MainViewController已经被初始化,所以我们已经可以在MainViewController注册推送消息的监听,用于展示对应的视图,如下:
//订阅展示视图消息,将直接打开某个分支视图 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(presentView:) name:@"PresentView" object:nil];//弹出消息框提示用户有订阅通知消息。主要用于用户在使用应用时,弹出提示框 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showNotification:) name:@"Notification" object:nil];
所以在AppDelegate的didReceiveRemoteNotification中可以通过判断isLaunchedByNotification来通知不同的展示方法。
脑补一个推送来临时,播放震动声音不停止的代码(不是播放音乐哦)
首先包含头文件
#import <AudioToolbox/AudioToolbox.h>
注册一段声音(本例中直接使用默认1007)
@property (nonatomic, assign) SystemSoundID soundID; NSString *path = [[NSBundle mainBundle] pathForResource:soundName ofType:nil]; AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:path], &_soundID); AudioServicesAddSystemSoundCompletion(_soundID, NULL, NULL, soundCompleteCallback, NULL); // 核心代码 可重复执行 AudioServicesPlaySystemSound(kSystemSoundID_Vibrate); AudioServicesPlaySystemSound(_soundID); // block 用于 AudioServicesAddSystemSoundCompletion(_soundID, NULL, NULL, soundCompleteCallback, NULL); 函数调用 void soundCompleteCallback(SystemSoundID soundID,void * clientData) { AudioServicesPlaySystemSound(kSystemSoundID_Vibrate); AudioServicesPlaySystemSound(soundID); } // 停止播放 -(void)stopAlertSoundWithSoundID:(SystemSoundID)soundID { AudioServicesDisposeSystemSoundID(kSystemSoundID_Vibrate); AudioServicesDisposeSystemSoundID(soundID); AudioServicesRemoveSystemSoundCompletion(soundID); }
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