Fügen Sie dem ListView einen onScrollListener hinzu. Wenn der Benutzer scrollt, prüfen Sie, ob sich das ListView dem Ende nähert. Wenn ja, rufen Sie weitere Daten ab. Als Beispiel:
public abstract class LazyLoader implements AbsListView.OnScrollListener {
private static final int DEFAULT_THRESHOLD = 10 ;
private boolean loading = true ;
private int previousTotal = 0 ;
private int threshold = DEFAULT_THRESHOLD ;
public LazyLoader() {}
public LazyLoader(int threshold) {
this.threshold = threshold;
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
if(loading) {
if(totalItemCount > previousTotal) {
// the loading has finished
loading = false ;
previousTotal = totalItemCount ;
}
}
// check if the List needs more data
if(!loading && ((firstVisibleItem + visibleItemCount) >= (totalItemCount - threshold))) {
loading = true ;
// List needs more data. Go fetch !!
loadMore(view, firstVisibleItem,
visibleItemCount, totalItemCount);
}
}
// Called when the user is nearing the end of the ListView
// and the ListView is ready to add more items.
public abstract void loadMore(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount);
}
Aktivität:
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_layout);
ListView listView = (ListView) findViewById(R.id.listView);
listView.setOnScrollListener(new LazyLoader() {
@Override
public void loadMore(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
// Fetch your data here !!!
}
});
}
}
können Sie finden die vollständige Implementierung at this link
Ich stecke in derselben kann jemand help..http: //stackoverflow.com/questions/ 28122304/endlos-scrolling-listview-not-working –