handle hide keyboard functionality on focus lost properly on android

activity.java

@Override
public boolean dispatchTouchEvent(MotionEvent ev) {

    final Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragment_container);
    if (fragment instanceof IDispatchTouchEvent)
        return ((IDispatchTouchEvent) fragment).dispatchTouchEvent(ev) || super.dispatchTouchEvent(ev);

    return super.dispatchTouchEvent(ev);
}

fragment.java

public static void hideOnLostFocus(@NotNull final Context context, @NotNull final MotionEvent event, @NotNull final View... views) {

    boolean hit = false;

    for (final View view : views)
        hit |= getLocationOnScreen(view).contains((int) event.getX(), (int) event.getY());

    if (event.getAction() == MotionEvent.ACTION_DOWN && !hit)
        hideKeyboard(context, views[0]);
}

interface.java

public interface IDispatchTouchEvent {
    boolean dispatchTouchEvent(@NotNull final MotionEvent event);
}

utils.java

public static void hideKeyboard(Context context, View view) {
    InputMethodManager imm = (InputMethodManager)context.getSystemService("input_method");
    if(imm != null) {
        imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
    }
}