mikepenz/Android-ActionItemBadge

dependencies {
	implementation 'com.mikepenz:actionitembadge:4.0.0'

	//SUB-DEPENDENCIES
	//Android-Iconics - used to provide an easy API for icons 
	implementation 'com.mikepenz:iconics-core:{latestVersion}@aar'
}

<menu xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:tools="http://schemas.android.com/tools"
      xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/item_samplebadge"
        app:actionLayout="@layout/menu_action_item_badge"
        app:showAsAction="always"
        android:title="@string/sample_1"/>
</menu>

 @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);

	    //you can add some logic (hide it if the count == 0)
        if (badgeCount > 0) {
            ActionItemBadge.update(this, menu.findItem(R.id.item_samplebadge), FontAwesome.Icon.faw_android, ActionItemBadge.BadgeStyles.DARK_GREY, badgeCount);
        } else {
            ActionItemBadge.hide(menu.findItem(R.id.item_samplebadge));
        }

	    //If you want to add your ActionItem programmatically you can do this too. You do the following:
        new ActionItemBadgeAdder().act(this).menu(menu).title(R.string.sample_2).itemDetails(0, SAMPLE2_ID, 1).showAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS).add(bigStyle, 1);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == R.id.item_samplebadge) {
            Toast.makeText(this, R.string.sample_3, Toast.LENGTH_SHORT).show();
            badgeCount--;
            ActionItemBadge.update(item, badgeCount);
            return true;
        } else if (id == SAMPLE2_ID) {
            Toast.makeText(this, R.string.sample_4, Toast.LENGTH_SHORT).show();
        }
        return super.onOptionsItemSelected(item);
    }

Copyright 2019 Mike Penz

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.