Android: some utilities for working with keyboard

KeyboardUtils.java

public final class KeyboardUtils {

    private KeyboardUtils(){}

    public static void hideSoftKeyboard(final Activity activity)
    {
        final InputMethodManager imm = (InputMethodManager) activity.getSystemService(
                Context.INPUT_METHOD_SERVICE);
        if (activity.getWindow() != null && activity.getWindow().getCurrentFocus() != null) {
            imm.hideSoftInputFromWindow(activity.getWindow().getCurrentFocus().getWindowToken(), 0);
        }
    }

    public static void showSoftKeyboard(final Activity activity, final TextView textView)
    {
        final InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
        if (imm != null) {
            // only will trigger it if no physical keyboard is open
            imm.showSoftInput(textView, 0);
        }
    }
}