if(android.os.Build.VERSION.SDK_INT >=15 )
{
Intent meidaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_HEADSETHOOK);
meidaButtonIntent.putExtra(Intent.EXTRA_KEY_EVENT,keyEvent);
context.sendOrderedBroadcast(meidaButtonIntent, null);
}
else
{
// 以下适用于Android2.3及2.3以上的版本上 ，但测试发现4.1系统上不管用。
Intent localIntent1 = new Intent(Intent.ACTION_HEADSET_PLUG);
localIntent1.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
localIntent1.putExtra("state", 1);
localIntent1.putExtra("microphone", 1);
localIntent1.putExtra("name", "Headset");
context.sendOrderedBroadcast(localIntent1, "android.permission.CALL_PRIVILEGED");
Intent localIntent2 = new Intent(Intent.ACTION_MEDIA_BUTTON);
KeyEvent localKeyEvent1 = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_HEADSETHOOK);
localIntent2.putExtra(Intent.EXTRA_KEY_EVENT, localKeyEvent1);
context. sendOrderedBroadcast(localIntent2, "android.permission.CALL_PRIVILEGED");
Intent localIntent3 = new Intent(Intent.ACTION_MEDIA_BUTTON);
KeyEvent localKeyEvent2 = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_HEADSETHOOK);
localIntent3.putExtra(Intent.EXTRA_KEY_EVENT, localKeyEvent2);
context.sendOrderedBroadcast(localIntent3, "android.permission.CALL_PRIVILEGED");
Intent localIntent4 = new Intent(Intent.ACTION_HEADSET_PLUG);
localIntent4.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
localIntent4.putExtra("state", 0);
localIntent4.putExtra("microphone", 1);
localIntent4.putExtra("name", "Headset");
context.sendOrderedBroadcast(localIntent4, "android.permission.CALL_PRIVILEGED");
}
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