Android 软键盘自动弹出与关闭实例详解

private void showKeyboard(){
    InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
    inputMethodManager.showSoftInput(editText, 0);
  }

Timer timer = new Timer();
     timer.schedule(new TimerTask()  {
       public void run() {
         InputMethodManager inputManager = (InputMethodManager)editText.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
         inputManager.showSoftInput(editText, 0);
       }
     }, 998);

private void closeKeyboard() {
    View view = getWindow().peekDecorView();
    if (view != null) {
      InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
      inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
    }
  }

<activity
        android:name=".activity.DetailActivity"
        android:screenOrientation="portrait"
        android:windowSoftInputMode="adjustPan"
        android:theme="@style/AppTheme.NoActionBar.Translucent"/>