你好，为什么建立通信后，获取对方的视频是黑屏啊
iOS WebRTC的使用WebRTC是Google公司的一款跨平台的音视频通话技术，它为我们提供了音视频通信的核心技术，包括音视频的采集、编解码、网络传输、视频显示等功能。借助这款API，我们可以更...
IP属地：江苏
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2020年10月13日 上午12:13
发件人 Apple
2. 5 Performance: Software Requirements
Guideline 2.5.4 - Performance - Software Requirements
Your app declares support for location in the UIBackgroundModes key in your Info.plist file but does not have any features that require persistent location. Apps that declare support for location in the UIBackgroundModes key in your Info.plist file must have features that require persistent location.
Next Steps
To resolve this issue, please revise your app to include features that require the persistent use of real-time location updates while the app is in the background.
If your app does not require persistent real-time location updates, please remove the "location" setting from the UIBackgroundModes key. You may wish to use the significant-change location service or the region monitoring location service if persistent real-time location updates are not required for your app features.
Resources
For more information, please review the Starting the Significant-Change Location Service and Monitoring Geographical Regions. 按照处理还是不行iOS后台定位被拒问题的解决方法
Your app declares support for location in the UIBackgroundModes key in your Info.plist ...
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楼主你好，我这儿使用 MFMailComposeViewController 能够跳到发邮件的页面，但是发送按钮是灰色的，而且，我发现系统会打印一些问题 reason: "The request was denied by service delegate (SBMainWorkspace) for reason: Security ("Un-trusted clients may not open applications in the background")."> {
userInfo = {
FBSOpenApplicationRequestID = 0x46c2;
}。
是什么原因呢邮件API - MFMailComposeViewController
MFMailComposeViewController 系统提供的类 使用系统邮件来实现发送邮件 项目中先导入MessageUI.framework 先判断是否能发送邮件 调...