iOS UIWebView, WKWebView the power saving mode and Safari

iOS In H5 play audio and video page

1, iOS end webView the default player for audio and video to full-screen playback

	//如果需要在浏览器内部播放则需要如下 配置
    webview.allowsInlineMediaPlayback = YES;

2, iOS AutoPlay end webView

    webview.mediaPlaybackRequiresUserAction = NO;

3, the impact on the power-saving mode H5 audio and video playback

当设备处于低电量模式的时候，音视频自动播放设置就会不能生效；
它会影响：UIWebView 、WKWebView 、Safari的音视频播放；

4, low battery mode

In order to solve the problem of battery life, Apple added in iOS 9 low battery mode for the iPhone. In this mode, the system by disabling some features such as automatic e-mail acquisition, background refresh, Hey Siri, etc., to achieve the purpose of reducing energy consumption.

5, detection of a low battery mode

In iOS 9, we can easily detect if a user opened a low-power mode, NSProcessInfo provided with respect to the property.

	if ([[NSProcessInfo processInfo] isLowPowerModeEnabled])  
	{
	  // 做低电量模式下该做的事
	}