android-cursoradapter

Custom CursorAdapater's bindView called 77 times…have I done something wrong?

老子叫甜甜 提交于 2019-11-30 18:06:03
问题 I read this question where it says not to worry about it but I guess I need some reassurance. My custom CursorAdapter's bindView: @Override public void bindView(View view, Context context, Cursor c) { // get handles for views in xml ImageView imageView = (ImageView)view.findViewById(R.id.add_lvrow_image); TextView titleView = (TextView)view.findViewById(R.id.add_lvrow_title); // get data from cursor and "massage" if necessary String imageUri = c.getString(c.getColumnIndex(CollectionsTable.COL

Creating custom simple cursor adapter

非 Y 不嫁゛ 提交于 2019-11-30 15:03:10
I want to create a very simple cursor custom cursor adapter to facilitate changing the colors of row items on click. Using the following code private static int save = -1; public void onListItemClick(ListView parent, View v, int position, long id) { parent.getChildAt(position).setBackgroundColor(Color.BLUE); if (save != -1 && save != position){ parent.getChildAt(save).setBackgroundColor(Color.BLACK); } save = position; } I got the code from this thread https://stackoverflow.com/a/7649880/498449 I would have used a simple cursor adapter and placed the code in the onClick, but because the

ListView.getItemAtPosition(i) equivalent in RecyclerView?

有些话、适合烂在心里 提交于 2019-11-30 08:53:05
问题 I'm migrating from a ListView backed by a CursorAdapter, to a RecyclerView backed by shywim's CursorRecyclerAdapter. I'm having trouble migrating this part that used to return a cursor object: (MyCursor)mListView.getItemAtPosition(i) How to get access to cursor at specific position inside RecyclerView? Thanks. 回答1: Unfortunately it is not part of the RecyclerView. To overcome it I define an interface: public interface OnItemClickListener { public void onItemClick(View view, int position); }

CursorAdapter bindView optimization

你离开我真会死。 提交于 2019-11-30 06:32:45
问题 When overriding ArrayAdapter I know is correct using a pattern like this: if(view != null){ ...create new view setting fields from data }else return view; //reuse view is correct too using this pattern with CursorAdapters? My problem is that I have a textcolor which can be red or blue according to a cursor field, so I don't want any errors like a red color on a cell which has a field needing blue color. My bindView code is something like this: if(c.getString(2).equals("red")) textView

how to refresh the listView using the Cursor Adapter

…衆ロ難τιáo~ 提交于 2019-11-30 04:22:24
问题 I have created a ListView using CursorAdapter . Now I am Trying to update the ListView and Refresh the value to the ListView . But I am not able to figure out . How to work with Loader or changeCursor() to refresh my ListView Below is My code of setting the CursorAdapter : //SucessFully done here SQLDataSore datastore = new SQLDataSore(PrintContent.this); Cursor cursor = datastore.getJSONData(); final CursorDemo cursorDemo = new CursorDemo(PrintContent.this, cursor); list_View.setAdapter

Listview with CursorAdapter

半腔热情 提交于 2019-11-30 02:25:43
I'm developing an application which displays Phone contacts with CursorAdapter. When I run it, I faced with a list view which repeated just one contact as bellow ("david" is one of my contacts, just repeated in listview) david 017224860 david 017224860 david 017224860 david 017224860 david 017224860 david 017224860 . . . . My activity looks like public class Contacts extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.contacts); Cursor cursor = getContentResolver() .query(ContactsContract.CommonDataKinds

ListView.getItemAtPosition(i) equivalent in RecyclerView?

柔情痞子 提交于 2019-11-29 08:58:48
I'm migrating from a ListView backed by a CursorAdapter, to a RecyclerView backed by shywim's CursorRecyclerAdapter . I'm having trouble migrating this part that used to return a cursor object: (MyCursor)mListView.getItemAtPosition(i) How to get access to cursor at specific position inside RecyclerView? Thanks. Unfortunately it is not part of the RecyclerView. To overcome it I define an interface: public interface OnItemClickListener { public void onItemClick(View view, int position); } The ViewHolder implements the View.OnClickListener, and its constructor takes an object that implements my

Listview with CursorAdapter

十年热恋 提交于 2019-11-28 23:19:32
问题 I'm developing an application which displays Phone contacts with CursorAdapter. When I run it, I faced with a list view which repeated just one contact as bellow ("david" is one of my contacts, just repeated in listview) david 017224860 david 017224860 david 017224860 david 017224860 david 017224860 david 017224860 . . . . My activity looks like public class Contacts extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

CursorAdapter bindView optimization

怎甘沉沦 提交于 2019-11-28 19:37:03
When overriding ArrayAdapter I know is correct using a pattern like this: if(view != null){ ...create new view setting fields from data }else return view; //reuse view is correct too using this pattern with CursorAdapters? My problem is that I have a textcolor which can be red or blue according to a cursor field, so I don't want any errors like a red color on a cell which has a field needing blue color. My bindView code is something like this: if(c.getString(2).equals("red")) textView.setTextColor(<red here>); else textView.setTextColor(<blue here>); if I reuse view can I be sure that red goes

Converting an ArrayAdapter to CursorAdapter for use in a SearchView

我怕爱的太早我们不能终老 提交于 2019-11-28 16:25:36
How can I convert an ArrayAdapter<String> of static data into a CursorAdapter for using Suggestion Listener in SearchView ? I have constructed the ArrayAdapter<String> from static data ( allString ) ArrayAdapter<String> searchAdapter = new ArrayAdapter<String>(context, R.layout.listitem, allString); and I use it for an MultiAutoCompleteTextView which works fine in devices with API level less than 11 MultiAutoCompleteTextView findTextView.setAdapter(searchAdapter); However my target API is level is 11 and for API>10 I use an ActionBar within which I would like to have a SearchView instead. Here