Free Code: Android – Using Pull-To-Refresh

Activity.java

// Set a listener to be invoked when the list should be refreshed.

PullToRefreshListView pullToRefreshView = (PullToRefreshListView) findViewById(R.id.pull_to_refresh_listview);

pullToRefreshView.setOnRefreshListener(new OnRefreshListener<ListView>() {

@Override

public void onRefresh(PullToRefreshBase<ListView> refreshView) {

// Do work to refresh the list here.

new GetDataTask().execute();

}

});

private class GetDataTask extends AsyncTask<Void, Void, String[]> {

…

@Override

protected void onPostExecute(String[] result) {

// Call onRefreshComplete when the list has been refreshed.

pullToRefreshView.onRefreshComplete();

super.onPostExecute(result);

}

}

Activity2.java

Activity2.java

Java

// Set a listener to be invoked when the list should be refreshed.

PullToRefreshListView pullToRefreshView = (PullToRefreshListView) findViewById(R.id.pull_to_refresh_listview);

pullToRefreshView.setOnRefreshListener(new OnRefreshListener<ListView>() {

@Override

public void onRefresh(PullToRefreshBase<ListView> refreshView) {

// Do work to refresh the list here.

new GetDataTask().execute();

}

});

private class GetDataTask extends AsyncTask<Void, Void, String[]> {

…

@Override

protected void onPostExecute(String[] result) {

// Call onRefreshComplete when the list has been refreshed.

pullToRefreshView.onRefreshComplete();

super.onPostExecute(result);

}

}

layout.xml

XML

<!–

The PullToRefresh-ListView replaces a standard ListView widget,

and has all the features android.widget.ListView has.

–>

<eu.erikw.PullToRefreshListView

android:id=”@+id/pull_to_refresh_listview”

android:layout_height=”fill_parent”

android:layout_width=”fill_parent” />

layout2.xml

XML

<!–

The PullToRefreshListView replaces a standard ListView widget.

The ID CAN NOT be @+id/android:list

–>

<com.handmark.pulltorefresh.library.PullToRefreshListView

android:id=”@+id/pull_to_refresh_listview”

android:layout_height=”fill_parent”

android:layout_width=”fill_parent” />