When a user enters the application by clicking the notification message
- (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions
launchOptions
There will be userInfo information for pushing messages in the push message, and we can pass
NSDictionary* remoteNotification = [launchOptions objectForKey:UIApplicationLaunchOptionsRemoteNotificationKey];
Get push message content. If remoteNotification is not empty, it means that the user enters through a push message, and then an attribute can be declared
@property (nonatomic) BOOL isLaunchedByNotification;
Used to identify whether the user enters this application through a click notification message. at this time,
- (void)application:(UIApplication*)application didReceiveRemoteNotification:(NSDictionary*)userInfo
Will definitely be called, iOS7 can be used
- (void)application:(UIApplication*)application didReceiveRemoteNotification:(NSDictionary*)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
Because when this method is called, MainViewController has been initialized, we can register the listening of push messages in MainViewController to display the corresponding view, as follows:
//Subscribe to the display view message and a branch view will be opened directly[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(presentView:) name:@"PresentView" object:nil];//The pop-up message box prompts the user to have a subscription notification message. Mainly used when users use the application, prompt box pops up[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showNotification:) name:@"Notification" object:nil];
Therefore, in the didReceiveRemoteNotification of AppDelegate, you can notify different display methods by judging isLaunchedByNotification.
Imagine a code that plays the vibrating sound when the push comes (not playing music)
First include the header file
#import <AudioToolbox/>
Register a sound (in this case, default 1007 is used directly)
@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); // Core code can be executed repeatedlyAudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
AudioServicesPlaySystemSound(_soundID);
// block is used for AudioServicesAddSystemSoundCompletion(_soundID, NULL, NULL, soundCompleteCallback, NULL); function callvoid soundCompleteCallback(SystemSoundID soundID,void * clientData)
{
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
AudioServicesPlaySystemSound(soundID);
}
// Stop playback-(void)stopAlertSoundWithSoundID:(SystemSoundID)soundID
{
AudioServicesDisposeSystemSoundID(kSystemSoundID_Vibrate);
AudioServicesDisposeSystemSoundID(soundID);
AudioServicesRemoveSystemSoundCompletion(soundID);
}
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