Android:电话接听

/**
* 做项目时发现原来的接听电话方式在2.3以后行不通,查资料后发现通过下面方式可以间接实现自动接听电话
*/
private synchronized void answerRingingCall(){
try {
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");
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("android.intent.extra.KEY_EVENT", localKeyEvent1);
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("android.intent.extra.KEY_EVENT", localKeyEvent2);
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");
sendOrderedBroadcast(localIntent4, "android.permission.CALL_PRIVILEGED");
} catch (Exception e) {
Log.i("answerRingingCall:",e.getMessage());
}
}