android-cursoradapter

问题 I have a variable 'balance' which I'm initializing to '0' onClick of a button which calls my custom adapter 'MyAdpater'. I've an EditText in my activity. When I hide/show the keyboard, I don't get notified about it. I've vainly tried configChnage Method already. @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); Toast.makeText(Ledger.this, "Config Change has been called.", Toast.LENGTH_SHORT).show(); // Checks whether a hardware or

问题 I am using listview to populate data.Everything is fine until scroll it. While scrolling all the textview (COUNT) is changed to default value. Here I am using Cursor adapter to populate it. When I clicked ^ / Down arrow in a item the next items value is changed. NEXT ERROR: When I click REMOVE Button, instead of remove the item which I clicked,other item is removed from the list. Here is my AdapterClass: public class CartCursorAdapter extends CursorAdapter implements View.OnClickListener {

问题 I have an sqlite table with the following structure: String CREATE_ACHIEVEMENTS_TABLE = "CREATE TABLE achievements (" + "id INTEGER PRIMARY KEY," + "name VARCHAR," + "type VARCHAR," + "value VARCHAR," + "completed VARCHAR" + ")"; now what i am trying to do is have it so that if the "completed" column is set to "yes", i want the text color of the row in my listview to be GREEN. ive read tutorials and looked at code examples and i just cant figure out how to implement this with a custom

问题 I'm trying to implement SearchView in a Fragment, with search results queried for directly from sqlite via CursorLoader and search results rendered in the same Fragment via custom CursorAdapter. Search suggestions are also queried for directly from sqlite and rendered via custom CursorAdapter (CountrySuggestionsAdaptor). So, I have one CursorLoader for getting suggestions(loader id =0) and the other CursorLoader for getting search results(loader id=1). There are 3 problems with loading

问题 I've tried to find a tutorial how to make recycleview with sqlite but I am a little less understood his steps. is there who can help me to solve the following problem. create a data adapter recycleview of sqlite. RecyclerViewHolder.java package com.my.app; import android.support.v7.widget.RecyclerView; import android.view.View; import android.widget.ImageView; import android.widget.TextView; public class RecyclerViewHolder extends RecyclerView.ViewHolder { TextView tv1; ImageView imageView;

问题 I have a ListView (in an Activity and not in a ListActivity ) that utilizes a custom cursor adapter to get some data from my local db and show them inside the ListView . lv.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View view, int position, long id) { Log.i(tag, "position = " + position); Log.i(tag, "id is : " + id)); } }); Assume my database columns are the following : id, name, surname, dob, height, gender, placeOfBirth,

问题 I have a DB in which id's are change after few rows, then same I'd in some rows then change I'd. What I want that, the same I'd values will be populated listview's in one line, then when the Ids are same, they are all in one row. And thus the next rows populate with same rows which have same ID's. My DB columns and rows are as follows: Verse_id -------words_id----------words_ar------ translate_bn-- 1-----------------------1---------------Mamun-----------Assistant--- 1-----------------------2-

问题 I am new to android development and I have populated values to a listview using a cursor adapter. I am trying to Delete and update the values using the list view but I am not sure how this is done using a cursor adapter. Nor I am able to click on the list view item The below methods I have used in my database handler class to delete and update values Delete Method public void DeletingCustodian(Custodians custodians) { SQLiteDatabase db_database = getWritableDatabase(); //Deleting the

问题 I am unable to get my listview to display my data, it only shows the empty/no data textview. I have been trying to solve this one for a while, scoured stackoverflow and the net. Tried lots of different things. Logcat shows that my newView/bindView is not getting called/reached. I think that it is either an error in my XML layout (my CursorAdapter doesn't know to inflate my row layout/view). <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res

问题 I have a series of ListView objects in Fragment s that are being populated by a CursorAdapter which gets a Cursor from the LoaderManager for the activity. As I understand it, all database and Cursor close actions are completely handled by the LoaderManager and the ContentProvider , so at no point in any of the code am I calling .close() on anything. Sometimes, however, I get this exception: 02-19 11:07:12.308 E/AndroidRuntime(18777): java.lang.IllegalStateException: attempt to re-open an