键盘的EditText是dissappearing [英] EditText Keyboard is dissappearing

问题描述

我有一个的LinearLayout 的EditText 和按钮。当点击到按键，我在布局中删除所有的意见和添加另一种观点。当后退按钮是pressed我删除所有的意见，并再次加入EDITTEXT和按钮。现在，当我触摸EDITTEXT，键盘不可见！我想，也许这是一个焦点问题。如何处理这个问题？

I have an EditText and a Button in LinearLayout. When clicked to button, I am removing all views in layout and adding another view. When back button is pressed I am removing all views and adding editText and Button again. Now when I touch on editText, keyboard does not become visible! I think maybe it is a focus issue. How can handle this problem?

推荐答案

试试这个code，它会为你工作。

Try this code, it will work for you.

InputMethodManager m = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
  if(m != null){
      m.toggleSoftInput(0, InputMethodManager.SHOW_IMPLICIT);
   }

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