android-cursoradapter

What bindView() and newView() do in CursorAdapter

天涯浪子 提交于 2019-11-26 19:09:26
问题 I have a custom CursorAdaptor in my project with overridden methods bindView(View view, Context context, Cursor cursor) and newView(View view, Context context, Cursor cursor) . I want to know for what CursorAdapter are used for and what is the difference between and uses of overriding bindView() and newView() . I have read the Developer Site and this tutorial but still I didn't understood. As I'm a beginner to Android, please help me understand this concept. 回答1: In order to understand this,

Cursor adapter and sqlite example [closed]

风格不统一 提交于 2019-11-26 17:08:42
Hello I am looking for sample code in which cursor adapter is used with sqlite? Really simple example. Here is a really simple, but very effective, example. Once you have the basics down you can easily build off of it. There are two main parts to using a Cursor Adapter with SQLite: Create a proper Cursor from the Database. Create a custom Cursor Adapter that takes the Cursor data from the database and pairs it with the View you intend to represent the data with. 1. Create a proper Cursor from the Database. In your Activity: SQLiteOpenHelper sqLiteOpenHelper = new SQLiteOpenHelper( context,

cursoradapter with different row layouts

不问归期 提交于 2019-11-26 15:17:00
问题 I'm trying to create a custom cursoradapter that will use two different layouts depending on some data in the cursor. I keep reading about 'overriding getViewTypeCount() and getItemViewType()' to make this happen but I can't seem to figure out how to implement this.. This is my code for the bindView and new View methods: @Override public void bindView(View view, Context context, Cursor cursor) { TextView tView = (TextView) view.findViewById(R.id.TextView1); tView.setText("The text"); }

Android: column '_id' does not exist

白昼怎懂夜的黑 提交于 2019-11-26 08:30:37
问题 I am getting this error IllegalArgumentException: column \'_id\' does not exist When using a SimpleCursorAdapter to retrieve from my database, and the table does indeed have this _id column. Noticing this a common problem, I have tried to work around it given some of the solutions online but none of them work. This is my cursor query: SimpleCursorAdapter mAdapter = new SimpleCursorAdapter(this, R.layout.quoterow, myCursor, new String[]{\"_id\", \"quote\"}, new int[]{R.id.quote}); although I

Cursor adapter and sqlite example [closed]

时光总嘲笑我的痴心妄想 提交于 2019-11-26 05:18:09
问题 Hello I am looking for sample code in which cursor adapter is used with sqlite? 回答1: Really simple example. Here is a really simple, but very effective, example. Once you have the basics down you can easily build off of it. There are two main parts to using a Cursor Adapter with SQLite: Create a proper Cursor from the Database. Create a custom Cursor Adapter that takes the Cursor data from the database and pairs it with the View you intend to represent the data with. 1. Create a proper Cursor