iOS AVPlayer：屏幕锁定时暂停视频答案

【问题标题】：iOS AVPlayer: pause video when screen locksiOS AVPlayer：屏幕锁定时暂停视频
【发布时间】：2015-07-06 11:06:31
【问题描述】：

我正在使用 AVPlayerViewController 来显示带有 AVPlayer 的视频。

当我锁定手机屏幕时，视频会继续在后台播放。

如何防止这种情况发生？

【问题讨论】：

【解决方案1】：

试试这个禁用音频和 Airplay 的背景模式

- (void)applicationDidEnterBackground:(UIApplication *)application {
     // pause the video here
 }

- (void)applicationWillEnterForeground:(UIApplication *)application      {
    // resume video when screen unlock 
 }

【讨论】：

【解决方案2】：

阅读这篇博文，它会对你有所帮助

How to Detect When an App Is Coming From the Lockscreen or Homescreen on iOS

- (void)applicationDidEnterBackground:(UIApplication *)application {
    CGFloat screenBrightness = [[UIScreen mainScreen] brightness];
    NSLog(@"Screen brightness: %f", screenBrightness);
    self.backgroundedToLockScreen = screenBrightness <= 0.0;
}



- (void)applicationWillEnterForeground:(UIApplication *)application {
    if (self.backgroundedToLockScreen) {
        ... // App was backgrounded to lock screen
    } else {
        ... // App was backgrounded on purpose by tapping the home button or switching Apps.
    }
    self.backgroundedToLockScreen = NO;
}

【讨论】：