问题内容: How can I send a combination of “Ctrl” and “+” keys ? It will simulate zoom in function in browser. I have already tried these codes, but they do not work: new Key(RemoteIME.mService, event.getAction(), KeyEvent.KEYCODE_CTRL_LEFT & KeyEvent.KEYCODE_ZOOM_IN); new Key(RemoteIME.mService, event.getAction(), KeyEvent.KEYCODE_CTRL_LEFT & KeyEvent.KEYCODE_PLUS); I am trying to send command from my tablet ( like