android-listview

问题 I feel a bit stupid as i can't find the answer to this question, which makes me think i'm actually asking the wrong question. However, here goes... I have a list view, and a listviewitem defined in xml, with a couple of fields, nothing special. All set to visible. Then I bind to my ListView using a custom ArrayAdapter, and want to hide one of my text views, on row 5. However, it seems to be hiding my TextView on item 0 and item 5. Which is a bit odd? I've simplified the code, to reproduce the

问题 I have an ExpandableListView with three levels. In the adapter for the first level, I have the getGroupView which renders a TextView, and it works fine. @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { TextView tv = new TextView(context); tv.setText(mCountries.get(groupPosition).getName()); tv.setBackgroundColor(Color.BLUE); tv.setPadding(10, 7, 7, 7); return tv; } But now I wanted to take it to the next level.. just inflating an

问题 Here is my XML layout. I have a list view inside my scrollview. I am setting the height manually if I change the listview height to wrap_content it is not working. And also if the data grows beyond the limit it is hiding. I am seeing many answers to solve this. What is the best option to solve it for my case? <?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" >

问题 First I'm creating an Arraylist of images and image information by parsing json response `JSONArray jsonArray = jsonObj.getJSONArray("result"); for (int i = 0; i < jsonArray.length(); i++) { JSONObject jsonObjInner = jsonArray.getJSONObject(i); ImageInfo imageInfo = new ImageInfo(); imageInfo.setImageUrl("http://www.dvimaytech.com/markphoto/" + jsonObjInner.getString("image")); new GetDrawableFromUrl(imageInfo).execute(); imageInfo.setEmail(jsonObjInner.getString("emailid")); imageInfo

问题 I want to implement the ontouch and onclicklistener in android listview item. If i have selecting the row and click a row., need to call onclicklistener. at the same time If I have swiping the list row on left and right ., need to call ontouchlistener in adapter file. how can i do ? please give me a solution for this ? here swipe working fine.but onclick is not calling from my code. In activity file., class MyUpcomingTouchListener implements OnTouchListener { @Override public boolean onTouch

问题 dataAdapter = new ArrayAdapter(getApplicationContext(), R.layout.lst_layout, R.id.lstLayout, exList); lstView = (ListView) findViewById(R.id.listView); lstView.setAdapter(dataAdapter); exList is the ArayList of String arrays. How to populate ListView with it? exList = new ArrayList<String[]>(); Edit starts here. It's in asynctask created here asdad asd asd asdasada sdada daasd asd ad asda dasd asd asda da dasdasd asdasd ad : @Override protected String doInBackground(String... urls) { String[]

问题 So, I followed this tutorial to create a ListView with images using Volley but I am having this issue with the com.android.volley.xxxx import statements in LruBitmapCache.java , AppController.java , CustomListAdapter.java , and MainActivity.java . It shows as Unused import statements and its extension are in red saying Cannot resolve symbol xxxx . Volley.jar is already aded to app -> libs section. Would appreciate any help. 回答1: I'd double check to make sure your build.gradle includes:

问题 I am trying to populate listview within a fragment class. I am trying to query that for every one student he has many toDo's s. When the user is logged on I want to retrieve all his ToDo's he uniquely added and only data that belongs to him will be shown. Here is my Controls for notes to retrieve all notes private DatabaseHelper help; private SQLiteDatabase db; public Cursor listNotes() { Cursor c = db.query(help.NOTE_TABLE, new String[]{help.COLUMN_TITLE,help.COLUMN_BODY, help.COLUMN_DATE},

问题 I'm trying to fetch JSON data and display it in my ListView using ArrayAdapter. Anyways, in my adapter, I'm using Universal Image Loader from https://github.com/nostra13/Android-Universal-Image-Loader and the other data were loaded correctly except for the images. Some images were displayed correctly, some should not be on a specific item, and some were not loaded completely. This is my calling fragment: public class SampleFragment extends Fragment implements OnItemClickListener { private

问题 I have a ListView and each row item comprises of a SeekBar and an EditText (as in figure below). I need to update the EditText based on the seekbar's value, which I'm able to do if I have both the widget references without a problem. My issue is how do I associate each seekbar to its correct EditText box? Both these widgets are part of a view that I inflate in my adapter. Referencing an EditText directly doesn't seem to be a good idea because of Android's view recycling in the ListView. What