【android】电话接听

/** 
 * 该方式只适用2.3及2.3以上版本 
 */ 
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()); 
    } 
}