1.图标右上角显示消息个数
if ([[UIDevice currentDevice].systemVersion doubleValue] >= 8.0) { UIUserNotificationType myType = UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeSound; UIUserNotificationSettings *mySetting = [UIUserNotificationSettings settingsForTypes:myType categories:nil]; [[UIApplication sharedApplication] registerUserNotificationSettings:mySetting]; }else{ UIRemoteNotificationType myType = UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeSound; [[UIApplication sharedApplication] registerForRemoteNotificationTypes:myType]; } [UIApplication sharedApplication].applicationIconBadgeNumber = result.status;//后台运行,有新消息,就在图标的右上角显示个数
2.后台运行
info.plist文件里面添加
Required background modes -- App plays audio or streams audio/video using AirPlay
然后delegate里面
/** * 程序进入后台的时候调用 */ - (void)applicationDidEnterBackground:(UIApplication *)application { // 提醒操作系统:当前这个应用程序需要在后台开启一个任务 // 操作系统会允许这个应用程序在后台保持运行状态(能够持续的时间是不确定) UIBackgroundTaskIdentifier taskID = [application beginBackgroundTaskWithExpirationHandler:^{ // 后台运行的时间到期了,就会自动调用这个block [application endBackgroundTask:taskID]; }]; }
有可能还要添加这个播放0kb音频的代码
delegate里面:
时间: 2024-10-13 17:28:22