how to hide menu items in android
//anywhere in your code
...
mState = HIDE_MENU; // setting state
invalidateOptionsMenu(); // now onCreateOptionsMenu(...) is called again
...
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
// inflate menu from xml
MenuInflater inflater = getSupportMenuInflater();
inflater.inflate(R.menu.settings, menu);
if (mState == HIDE_MENU)
{
for (int i = 0; i < menu.size(); i++)
menu.getItem(i).setVisible(false);
}
}android hide and show bottom navigation
public class BottomNavigationViewBehavior extends CoordinatorLayout.Behavior<BottomNavigationView> {
private int height;
@Override
public boolean onLayoutChild(CoordinatorLayout parent, BottomNavigationView child, int layoutDirection) {
height = child.getHeight();
return super.onLayoutChild(parent, child, layoutDirection);
}
@Override
public boolean onStartNestedScroll(@NonNull CoordinatorLayout coordinatorLayout,
BottomNavigationView child, @NonNull
View directTargetChild, @NonNull View target,
int axes, int type)
{
return axes == ViewCompat.SCROLL_AXIS_VERTICAL;
}
@Override
public void onNestedScroll(@NonNull CoordinatorLayout coordinatorLayout, @NonNull BottomNavigationView child,
@NonNull View target, int dxConsumed, int dyConsumed,
int dxUnconsumed, int dyUnconsumed,
@ViewCompat.NestedScrollType int type)
{
if (dyConsumed > 0) {
slideDown(child);
} else if (dyConsumed < 0) {
slideUp(child);
}
}
private void slideUp(BottomNavigationView child) {
child.clearAnimation();
child.animate().translationY(0).setDuration(200);
}
private void slideDown(BottomNavigationView child) {
child.clearAnimation();
child.animate().translationY(height).setDuration(200);
}Copyright © 2021 Codeinu
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