heidi369258 开发者_JS百科 2022-02-23 19:46 峰回路转，柳暗花明，前面总会有另一番不同的风光。sparrow129
My iPhone application requires that I know when a user has/has not plugged in her headphones. That\'s easy. AudioSessionAddPropertyListener with a callback listening to kAudioSessionProperty_AudioRout
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