[英]Fetching data from SQLite Database to Custom Card GridView( Library: Gabrielemariotti)
我正在使用此卡庫https://github.com/gabrielemariotti/cardslib 。 我已經實現了自定義cardgridcursoradapter,並在此類的構造函數中傳遞了光標。 這是我的自定義cardgridcursoradapter類。
class CustCursorAdapter extends CardGridCursorAdapter{
public CustCursorAdapter(Context context, Cursor c, boolean autoRequery) {
super(context, c, autoRequery);
}
@Override
protected Card getCardFromCursor(Cursor cursor) {
MyCard card = new MyCard(super.getContext());
return card;
}
}
這不會顯示Card Grid View。 我有什么想念的嗎?
嘿,我的朋友,您所做的一切都是正確的,但是正如您所說的那樣,這是自定義卡片網格視圖,您需要返回帶有卡片的視圖。 這意味着您的適配器類需要重寫newview和bindview方法。 像這樣。
class CustCursorAdapter extends CardGridCursorAdapter{
public CustCursorAdapter(Context context, Cursor c, boolean autoRequery) {
super(context, c, autoRequery);
}
@Override
protected Card getCardFromCursor(Cursor cursor) {
MyCard card = new MyCard(super.getContext());
return card;
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return LayoutInflater.from(context).inflate(R.layout.card_grid_item, parent, false);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
super.bindView(view, context, cursor);
TextView id = (TextView) view.findViewById(R.id.id);
TextView name = (TextView) view.findViewById(R.id.name);
TextView username = (TextView) view.findViewById(R.id.username);
TextView password = (TextView) view.findViewById(R.id.password);
Integer cursor_id= cursor.getInt(cursor.getColumnIndexOrThrow("_id"));
String cursor_name=cursor.getString(cursor.getColumnIndexOrThrow("Name"));
String cursor_username=cursor.getString(cursor.getColumnIndexOrThrow("Username"));
String cursor_password=cursor.getString(cursor.getColumnIndexOrThrow("Password"));
id.setText(String.valueOf(cursor_id));
name.setText(cursor_name);
username.setText(cursor_username);
password.setText(cursor_password);
}
}
像這樣更新了適配器子類。 (記住要更新mycard類的布局和java文件。)
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.