Android pull-down refresh ListView -- RTPullListView

You can customize the drop-down display. to modify the top drop-down display, you only need to modify pulllist_head.xml. Modify list_footview.xml to obtain more information at the bottom.
Next we will use it in Activity:
[Java]
/**
* PullListView
* @ Author Ryan
*
*/
Public class RTPullListViewActivity extends Activity {
Private static final int INTERNET_FAILURE =-1;
Private static final int LOAD_SUCCESS = 1;
Private static final int LOAD_MORE_SUCCESS = 3;
Private static final int NO_MORE_INFO = 4;
Private static final int LOAD_NEW_INFO = 5;

Private RTPullListView pullListView;
Private ProgressBar moreProgressBar;

Private List <String> dataList;
Private ArrayAdapter <String> adapter;

@ Override
Public void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
SetContentView (R. layout. main );
PullListView = (RTPullListView) this. findViewById (R. id. pullListView );

DataList = new ArrayList <String> ();
For (int I = 0; I <5; I ++ ){
DataList. add ("Item data" + I );
}
Adapter = new ArrayAdapter <String> (this, android. R. layout. simple_list_item_1, dataList );
PullListView. setAdapter (adapter );

// Add more buttons at the bottom of the listview (customizable)
LayoutInflater inflater = LayoutInflater. from (this );
View view = inflater. inflate (R. layout. list_footview, null );
RelativeLayout footerView = (RelativeLayout) view. findViewById (R. id. list_footview );
MoreProgressBar = (ProgressBar) view. findViewById (R. id. footer_progress );
PullListView. addFooterView (footerView );

// Refresh the listener from the drop-down list
PullListView. setonRefreshListener (new OnRefreshListener (){

@ Override
Public void onRefresh (){
New Thread (new Runnable (){

@ Override
Public void run (){
Try {
// Simulate data refresh
Thread. sleep (2000 );
DataList. clear ();
For (int I = 0; I <5; I ++ ){
DataList. add ("Item data" + I );
}
MyHandler. sendEmptyMessage (LOAD_NEW_INFO );
} Catch (InterruptedException e ){
E. printStackTrace ();
}
}
}). Start ();
}
});

// Get more listeners
FooterView. setOnClickListener (new OnClickListener (){

@ Override
Public void onClick (View v ){
 
MoreProgressBar. setVisibility (View. VISIBLE );

New Thread (new Runnable (){

@ Override
Public void run (){
Try {
// Simulate data refresh
Thread. sleep (2000 );
For (int I = 0; I <5; I ++ ){
DataList. add ("New item data" + I );
}
MyHandler. sendEmptyMessage (LOAD_MORE_SUCCESS );
} Catch (InterruptedException e ){
E. printStackTrace ();
}
}
}). Start ();
}
});
}

// Result Processing
Private Handler myHandler = new Handler (){
 
@ Override
Public void handleMessage (Message msg ){
Super. handleMessage (msg );
Switch (msg. what ){
Case LOAD_MORE_SUCCESS:
MoreProgressBar. setVisibility (View. GONE );
Adapter. notifyDataSetChanged ();
PullListView. setSelectionfoot ();
Break;
 
Case LOAD_NEW_INFO:
Adapter. notifyDataSetChanged ();
PullListView. onRefreshComplete ();
Break;
Default:
Break;
}
}

};
}