In this tutorial we will add items in actionbar/toolbar, 3-dot menu in actionbar/toolbar and handle item clicks using Kotlin. There will be three items in menu you can add as many as you want. One item will be displayed on action bar with icon, other two

We can also use ActionBar.Tab#select() to do this if we have // a reference to the Tab. mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { actionBar.setSelectedNavigationIte

With a Preview 1 of Android Studio 2.2 Google released a new layout in its support library: ConstraintLayout. With ConstraintLayout it is easier to use a Design tool in Android Studio, but I didn't ...