Adding badge to tab in android

Question

i want to add badge to tab in my app as in iPhone.

Screen shot of badge used in iPhone is in the following link:

Answer 1

After tweaking around with a few other solutions I came up with something simple and hope this would help someone.

create a custom tab layout tab_badge.xml

badge_background.xml is an oval drawable filled with the color you want for the badge

Extend textview to get myBadgeView class:

public class myBadgeView extends TextView {

private View target;

public myBadgeView(Context context, View target) {
    super(context);
    init(context, target);
}

private void init(Context context, View target) {
    this.target = target;
}

public void updateTabBadge(int badgeNumber) {
    if (badgeNumber > 0) {
        target.setVisibility(View.VISIBLE);
        ((TextView) target).setText(Integer.toString(badgeNumber));
    }
    else {
        target.setVisibility(View.GONE);
    }
}
}

In your activity declare the tablayout as follows:

tabLayout = (TabLayout) findViewById(R.id.tab_layout);
TabLayout.Tab tab1 = tabLayout.newTab();
    tab1.setCustomView(R.layout.tab_badge);
    TextView tab_text_1 = (TextView) tab1.getCustomView().findViewById(R.id.tab_text);
    tab_text_1.setText("Tab1");
    tabLayout.addTab(tab1);
    badge1 = new myBadgeView(this, tab1.getCustomView().findViewById(R.id.tab_badge)); tab1.getCustomView().findViewById(R.id.tab_badge);

 //set the badge for the tab
    badge1.updateTabBadge(badge_value_1);