/Java/Android hide and show bottom navigation

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);
}

Source: stackoverflow.com

Similar codes

6 votes331 views2 answers
Java simpledateformat example
Java
0 vote326 views1 answer
Java ordenar numeros ascendente
Java
0 vote330 views1 answer
How to refresh token oauth2 java
Java
1 vote367 views1 answer
Import android.support.v4.media.app.NotificationCompat.MediaStyle;
Java
0 vote311 views1 answer
[ERROR] Error executing Maven. java.io.FileNotFoundException: The specified user settings file does not exist: /usr/lib/jvm/java-1.8.0-openjdk-amd64
Java
0 vote365 views1 answer
Metodi di javascritp
Java
1 vote337 views1 answer
String to bigdecimal
Java
0 vote327 views1 answer
Android studio proportional width
Java
2 votes340 views1 answer
Show dialog fragment from adapter
Java
0 vote320 views1 answer
The longest substring
Java