[Java] 纯文本查看 复制代码
IntentFilter filter = new IntentFilter(Intent.ACTION_HEADSET_PLUG);
HeadsetBroadcastReceiver mHeadsetBroadcastReceiver= new HeadsetBroadcastReceiver();
registerReceiver(mHeadsetBroadcastReceiver, filter);
public class HeadsetBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
/**
* 根据系统返回的状态判断是否耳机插拔状态
*/
if (intent.hasExtra("state")) {
if (intent.getIntExtra("state", 0) == 0) {
Toast.makeText(context, "拔出耳机", Toast.LENGTH_SHORT).show();
} else if (intent.getIntExtra("state", 0) == 1) {
Toast.makeText(context, "插入耳机", Toast.LENGTH_SHORT).show();
}
}
}
}
[Java] 纯文本查看 复制代码
Class audioSystemClass = Class.forName("android.media.AudioSystem");
Method setForceUse = audioSystemClass.getMethod("setForceUse", int.class, int.class);
// First 1 == FOR_MEDIA, second 1 == FORCE_SPEAKER. To go back to the default
// behavior, use FORCE_NONE (0).
setForceUse.invoke(null, 1, 1);