endlessadapter

Maintain scroll position when adding to ListView with reverse endless-scrolling

痞子三分冷 提交于 2019-12-20 11:48:04
问题 I am building a chat-like Android application, similar to Hangouts. For this purpose I am using a vertical ListView with stackFromBottom=true and transcriptMode="normal" . The list is sorted from older messages (top) to younger messages (bottom). In normal state, the ListView is scrolled to the bottom, showing the youngest message. The ListView uses a reverse endless-scroll adapter to load more (older) messages once the user scrolls to the top of the list. Once older messages are loaded, they

ListView load more on scroll bottom

邮差的信 提交于 2019-12-06 05:37:11
问题 In MainActivity I create the DownloadTask which populate model class then listview via CustomListAdapter class but I created the function to recognize end of scroll and I want to load more items to the listview. I was reading and looking at code on internet but I can't figure it out to solve this because its a kind different. The MainActivity class public void updateList() { adap = new CustomListAdapter(this, feedList, null); feedListView.setAdapter(adap); feedListView.setOnScrollListener(new

implementing the Endless Adapter

一曲冷凌霜 提交于 2019-12-06 04:21:48
问题 I get the entire data from the Server by using doInBackground() method as shown below. class DataLoader extends Activity{ public void onCreate() { ............................... new AsyncTask1().execute(); } class AsyncTask1 extends AsyncTask<String, String, String> { @Override protected void onPreExecute() { super.onPreExecute(); progressDialog = new ProgressDialog(DataLoader.this); progressDialog.setMessage("Loading..."); progressDialog.setCancelable(false); progressDialog.show(); }

implementing the Endless Adapter

匆匆过客 提交于 2019-12-04 11:20:17
I get the entire data from the Server by using doInBackground() method as shown below. class DataLoader extends Activity{ public void onCreate() { ............................... new AsyncTask1().execute(); } class AsyncTask1 extends AsyncTask<String, String, String> { @Override protected void onPreExecute() { super.onPreExecute(); progressDialog = new ProgressDialog(DataLoader.this); progressDialog.setMessage("Loading..."); progressDialog.setCancelable(false); progressDialog.show(); } protected String doInBackground(String... args) { JSONObject json; List<NameValuePair> params = new ArrayList

ListView load more on scroll bottom

喜欢而已 提交于 2019-12-04 11:16:16
In MainActivity I create the DownloadTask which populate model class then listview via CustomListAdapter class but I created the function to recognize end of scroll and I want to load more items to the listview. I was reading and looking at code on internet but I can't figure it out to solve this because its a kind different. The MainActivity class public void updateList() { adap = new CustomListAdapter(this, feedList, null); feedListView.setAdapter(adap); feedListView.setOnScrollListener(new OnScrollListener() { public void onScrollStateChanged(AbsListView view, int scrollState) { // TODO

Maintain scroll position when adding to ListView with reverse endless-scrolling

雨燕双飞 提交于 2019-12-03 01:48:52
I am building a chat-like Android application, similar to Hangouts. For this purpose I am using a vertical ListView with stackFromBottom=true and transcriptMode="normal" . The list is sorted from older messages (top) to younger messages (bottom). In normal state, the ListView is scrolled to the bottom, showing the youngest message. The ListView uses a reverse endless-scroll adapter to load more (older) messages once the user scrolls to the top of the list. Once older messages are loaded, they are added to the top of the list. The desired behavior is that the ListView maintains its scroll

Android Endless Adapter

眉间皱痕 提交于 2019-12-01 07:31:46
Im using the endless adapter http://github.com/commonsguy/cwac-endless however whenever i return false (because i dont have anymore data to append) , as stated here http://github.com/commonsguy/cwac-endless/blob/master/README.markdown in appendinbackground, my activity crashes and in Logcat i get a message saying indexoutofbounds etc. How do I make it so that I can stop loading extra data? As stated on the page you linked to : If you have questions regarding the use of this code, please join and ask them on the cw-android Google Group . Be sure to indicate which CWAC module you have questions

Android Endless Adapter

十年热恋 提交于 2019-12-01 05:18:38
问题 Im using the endless adapter http://github.com/commonsguy/cwac-endless however whenever i return false (because i dont have anymore data to append) , as stated here http://github.com/commonsguy/cwac-endless/blob/master/README.markdown in appendinbackground, my activity crashes and in Logcat i get a message saying indexoutofbounds etc. How do I make it so that I can stop loading extra data? 回答1: As stated on the page you linked to: If you have questions regarding the use of this code, please