EditText自动弹出软键盘

         editText.requestFocus()
         editText.isFocusable = true
         editText.isFocusableInTouchMode = true
         val timer = Timer()
         timer.schedule(object : TimerTask() {
             override fun run() {
                 if (editText != null) {
                     val imm = this@MainActivity.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
                     imm.toggleSoftInput(0, InputMethodManager.SHOW_FORCED)
                 }
             }
         }, 200)