Null pointer error with hideSoftInputFromWindow

Question

I get a null pointer exception at this row:

public void hideKeyboard(){ 
InputMethodManager inputManager = (InputMethodManager)            
            this.         


        

Answer 1

try this:

public void hideKeyboard(){ 
InputMethodManager inputManager = (InputMethodManager)            
            this.getSystemService(Context.INPUT_METHOD_SERVICE);    
inputManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(), 0);
}