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cursorAdapter簡介
public class MySimpleCursorAdapter extends SimpleCursorAdapter {
private Cursor m_cursor;
private Context m_context;
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
final View view = super.newView(context, cursor, parent);
ViewHolder holder = new ViewHolder();
holder.titleView = (TextView) view.findViewById(R.id.title);
holder.linkView = (TextView) view.findViewById(R.id.Link);
holder.descriptionView = (TextView) view.findViewById(R.id.Description);
holder.categoryView = (TextView) view.findViewById(R.id.Category);
holder.authorView = (TextView) view.findViewById(R.id.Author);
holder.pubDateView = (TextView) view.findViewById(R.id.PubDate);
view.setTag(holder);
return view;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
return super.getView(position, convertView, parent);
}
public MSimpleCursorAdapter(Context context, int layout, Cursor c,
String[] from, int[] to) {
super(context, layout, c, from, to);
m_cursor = c;
m_context = context;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
ViewHolder holder = (ViewHolder) view.getTag();
setViewText(holder.titleView, cursor.getString(cursor
.getColumnIndex(Items.TITLE)));
setViewText(holder.linkView, cursor.getString(cursor
.getColumnIndex(Items.LINK)));
setViewText(holder.descriptionView, cursor.getString(cursor
.getColumnIndex(Items.DESCRIPTION)));
setViewText(holder.categoryView, cursor.getString(cursor
.getColumnIndex(Items.CATEGORY)));
setViewText(holder.authorView, cursor.getString(cursor
.getColumnIndex(Items.AUTHOR)));
setViewText(holder.pubDateView, cursor.getString(cursor
.getColumnIndex(Items.PUBDATE)));
super.bindView(view, context, cursor);
}
final static class ViewHolder {
public TextView titleView;
public TextView linkView;
public TextView descriptionView;
public TextView categoryView;
public TextView authorView;
public TextView pubDateView;
}
}
bindView 賦值
newView 初始化
public void changeCursor (Cursor cursor)
更改底層的遊標為新傳入的遊標。如果遊標已經存在則先關閉這個已存在的遊標。
參數
cursor 新Cursor。
最後更新：2017-04-03 22:15:45