近段时间，许多YY主播都在热心的从事公益事开发者_StackOverflow业，王冕更是在平台的号召下，开展了数日的公益直播。
I need a way of capturing a view or the screen with everything开发者_高级运维 just exactly like it appears on screen. -renderInContext: won\'t do that. Are there any alternatives to this?Several, but
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