To create an android bouncy badge on toolbar icon

badge_background.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:innerRadius="0dp"
    android:shape="ring"
    android:thickness="9dp"
    android:useLevel="false">

    <solid android:color="@color/button_fb_normal" />
    <stroke
        android:width="1dip"
        android:color="#FFF" />
</shape>

bounce.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"

    android:interpolator="@android:anim/bounce_interpolator">
    <translate
        android:duration="900"
        android:fromXDelta="100%p"
        android:toXDelta="0%p" />
</set>

build.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"

    android:interpolator="@android:anim/bounce_interpolator">

    <!-- Use your working translate animation here-->
    <translate
        android:duration="900"
        android:fromXDelta="100%p"
        android:toXDelta="0%p" />
</set>

cart_icon.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="wrap_content"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:gravity="center"
    android:layout_gravity="center"
    android:padding="4dp"
    android:clickable="true">

    <ImageView
        android:id="@+id/badge_icon_button"
        android:layout_width="35dp"
        android:layout_height="35dp"
        android:textColor="@color/white"
        android:textSize="24sp"
        android:tint="#fff"
        app:srcCompat="@drawable/ic_shopping_cart_black_24dp" />

    <TextView
        android:id="@+id/badge_textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignEnd="@id/badge_icon_button"
        android:layout_alignRight="@id/badge_icon_button"
        android:layout_alignTop="@id/badge_icon_button"
        android:background="@drawable/badge_background"
        android:gravity="center"
        android:padding="6dp"
        android:layout_marginLeft="0dp"
        android:layout_marginStart="0dp"
        android:layout_marginEnd="2dp"
        android:layout_marginRight="2dp"
        android:layout_marginTop="-6dp"
        android:text="20"
        android:textColor="#FFF"
        android:textSize="10sp" />
</RelativeLayout>

Home.java

public class Home extends AppCompatActivity{
  ...
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_shop, menu);
        for (int i = 0; i < menu.size(); i++) {
            Drawable drawable = menu.getItem(i).getIcon();
            if (drawable != null) {
                drawable.mutate();
                drawable.setColorFilter(getResources().getColor(R.color.white), PorterDuff.Mode.SRC_ATOP);
            }
        }

        View v = menu.findItem(R.id.mCart).getActionView();
        badge = (TextView) v.findViewById(R.id.badge_textView);
        updateBadge();
        v.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(Home.this, Cart.class));
            }
        });
        return super.onCreateOptionsMenu(menu);
    }
    
    private void animateBadge(){
        Animation bounce = AnimationUtils.loadAnimation(this, R.anim.bounce);
        badge.startAnimation(bounce);
    }
}

ic_shopping_cart_black_24dp.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M7,18c-1.1,0 -1.99,0.9 -1.99,2S5.9,22 7,22s2,-0.9 2,-2 -0.9,-2 -2,-2zM1,2v2h2l3.6,7.59 -1.35,2.45c-0.16,0.28 -0.25,0.61 -0.25,0.96 0,1.1 0.9,2 2,2h12v-2L7.42,15c-0.14,0 -0.25,-0.11 -0.25,-0.25l0.03,-0.12 0.9,-1.63h7.45c0.75,0 1.41,-0.41 1.75,-1.03l3.58,-6.49c0.08,-0.14 0.12,-0.31 0.12,-0.48 0,-0.55 -0.45,-1 -1,-1L5.21,4l-0.94,-2L1,2zM17,18c-1.1,0 -1.99,0.9 -1.99,2s0.89,2 1.99,2 2,-0.9 2,-2 -0.9,-2 -2,-2z"/>
</vector>

menu_shop.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <item
        android:id="@+id/mCart"
        android:title="Cart"
        app:actionLayout="@layout/cart_icon"
        app:showAsAction="always" />
</menu>