我有一个使用文本转语音的应用程序，还允许用户调用他们的音乐播放器。[现在我正在努力避免编写自己的播放器]我想在我的TTP通话时降低音量或暂停正在后台播放的音乐[不是我的应用程序]。我可以在我的TTS之前使用AudioManager请求声音焦点，但我不知道如何返回它。我已经搜索了一段时间，但似乎无法找到正确的答案。我很感激你能给我的任何帮助，谢谢。PS:我的目标是Android版本2.2+...//IntenttoloadplayerIntentintent=newIntent(MediaStore.INTENT_ACTION_MUSIC_PLAYER);startActivity(in
考虑下表:[Table:talks]talkID|title|starred-------+--------------+--------1|talk1-title|12|talk2-title|13|talk3-title|04|talk4-title|05|talk5-title|0[Table:talkspeaker]talkID|speaker-------+---------1|Speaker11|Speaker22|Speaker33|Speaker43|Speaker54|Speaker65|Speaker75|Speaker8[Table:similartalks]ta
考虑下表:[Table:talks]talkID|title|starred-------+--------------+--------1|talk1-title|12|talk2-title|13|talk3-title|04|talk4-title|05|talk5-title|0[Table:talkspeaker]talkID|speaker-------+---------1|Speaker11|Speaker22|Speaker33|Speaker43|Speaker54|Speaker65|Speaker75|Speaker8[Table:similartalks]ta
Autonomousdrivingtechnologyplaysacrucialroleinpromotingsmarttransportation.Amongvariousmodesoftransportation,roadtransportinline-haullogisticsisrelativelystandard,thereforemanyexpertsbelievethatline-haullogisticsmaybecomeatrialgroundforautonomousdrivingsystems.Aspartofthisyear'sAISummithostedby51CTO
Autonomousdrivingtechnologyplaysacrucialroleinpromotingsmarttransportation.Amongvariousmodesoftransportation,roadtransportinline-haullogisticsisrelativelystandard,thereforemanyexpertsbelievethatline-haullogisticsmaybecomeatrialgroundforautonomousdrivingsystems.Aspartofthisyear'sAISummithostedby51CTO
