否，您不能这样做.那就好.

No, you cannot do this. And that's good.

如果您可以捕获其他应用程序的触摸输入，也可以捕获键盘按键，这意味着:其他聊天应用程序的私人消息，密码输入等...

If you could capture the touch inputs of other apps you could also capture keyboard presses, which means: private messages of other chat apps, password input, etc...