Simple Pull to refresh ListView

main.xml




<?xml version="1.0" encoding="utf-8"?>

<android.support.v4.widget.SwipeRefreshLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/swipe_container"

    android:layout_width="match_parent"

    android:layout_height="match_parent">

     

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:orientation="vertical">

        <ListView android:id="@id/android:list"

            android:layout_width="match_parent"

            android:layout_height="0dp"

            android:layout_weight="1"

            android:drawSelectorOnTop="false"/>

    </LinearLayout>

</android.support.v4.widget.SwipeRefreshLayout>







Main activity 




private SwipeRefreshLayout swipeRefreshLayout;

private Handler handler = new Handler();

@Override

protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);

    ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, getCountries());

    ListView listView = (ListView) findViewById(R.id.listView);

    listView.setAdapter(adapter);

    // find the layout

    swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);

    // the refresh listner. this would be called when the layout is pulled down

    swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {

         

        @Override

        public void onRefresh() {

            // get the new data from you data source

          

            handler.post(refreshing);

        }

    });

    // sets the colors used in the refresh animation

    swipeRefreshLayout.setColorScheme(R.color.blue_bright, R.color.green_light,

            R.color.orange_light, R.color.red_light);

}

private final Runnable refreshing = new Runnable(){

    public void run(){

        try {

            if(isRefreshing()){

                // re run the verification after 1 second

                handler.postDelayed(this, 1000);  

            }else{

                // stop the animation after the data is fully loaded

                swipeRefreshLayout.setRefreshing(false);

                // TODO : update your list with the new data

            }

        }

        catch (Exception e) {

            e.printStackTrace();

        }  

    }

};










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