/**  * 接听来电  */ private void answerRingingCall() {     try     {         Command command = new Command(0, "input keyevent 5")         {             @Override             public void output(int id, String line)             {                 Log.d(Tag, line);             }         };         RootTools.getShell(true).add(command).waitForFinish();     }     catch (InterruptedException e)     {         e.printStackTrace();     }     catch (IOException e)     {         e.printStackTrace();     }     catch (TimeoutException e)     {         e.printStackTrace();     }     catch (RootDeniedException e)     {         e.printStackTrace();     } }