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我想在通话过程中找到扬声器状态。像说话者状态真/假。我在呼叫接收器中的代码

AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
audioManager.setMode(AudioManager.MODE_IN_CALL);
Log.v("Loud_Speaker_state", "" + audioManager.isSpeakerphoneOn());
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