How to display count of notifications in toolbar icon in android

Question

I would like to make an icon counter for android just like the cart. I have seen many e-commerce app cart icon count increase. I show flipkart app snapshot.:-

Answer 1

You can do as follows

Custom item on my menu - main.xml

Custom shape drawable (background square) - shape_notification.xml

Layout for my view - feed_update_count.xml

MainActivity - setting and updating my view

static Button notifCount;
static int mNotifCount = 0;    

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getSupportMenuInflater();
    inflater.inflate(R.menu.main, menu);

    View count = menu.findItem(R.id.badge).getActionView();
    notifCount = (Button) count.findViewById(R.id.notif_count);
    notifCount.setText(String.valueOf(mNotifCount));
    return super.onCreateOptionsMenu(menu);
}

private void setNotifCount(int count){
    mNotifCount = count;
    invalidateOptionsMenu();
}