Null pointer error with hideSoftInputFromWindow

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I just need to check if there is a focused view before hiding the keyboard.

For example, if you have an EditText in your activity or fragment, it’ll probably be the focused view. When the EditText isn’t focused anymore, getCurrentFocus() may return null (unless some other view is focused).

void hideKeyboard() {
    InputMethodManager inputManager = (InputMethodManager) getActivity().getSystemService(
            Context.INPUT_METHOD_SERVICE);
    View focusedView = getActivity().getCurrentFocus();
    /*
     * If no view is focused, an NPE will be thrown
     * 
     * Maxim Dmitriev
     */
    if (focusedView != null) {
        inputManager.hideSoftInputFromWindow(focusedView.getWindowToken(),
                InputMethodManager.HIDE_NOT_ALWAYS);
    }
}

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