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// Activity : Where you need to impement ConnectionListener
public class ActivityWelcome extends AppCompatActivity implements ConnectionListener {


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_welcome);

        // Call 

SUNITECH19

    // You Can Copy and paste this code in your fragment or activity...

// Here I've paste code from my project, Do change whatever you want.
// recyclerViewBookingList -> recyclerView
// getCurrentListRef() : return a list...
// 
     
    private boolean isLoading = false;
    private void initScrollListener() {

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<?xml version="1.0" encoding="utf-8"?>
<!--use rotate tag to rotate the drawable-->
<rotate
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromDegrees="0"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toDegrees="360">

    <!--shape tag is used to