我在网上寻找解决方案并发现了一些问题

I looked for a solution online and found something

private class MusicIntentReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        if (intent.getAction().equals(Intent.ACTION_HEADSET_PLUG)) {
            int state = intent.getIntExtra("state", -1);
            switch (state) {
                case 0:
                    audioManager.setSpeakerphoneOn(true);
                    break;
                case 1:
                    audioManager.setSpeakerphoneOn(false);
                    break;
                default:
                    audioManager.setSpeakerphoneOn(true);
            }
        }
    }
}

希望有帮助

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