我已经编写了以下方法,通过帮助获取一些选定的行。
public ArrayList<IncidentCategoryHolder> getAllImageSource(String contractTypeId){
ArrayList<IncidentCategoryHolder> data = new ArrayList<IncidentCategoryHolder>();
Cursor cursor=null;
cursor = ourDatabase.rawQuery("select "+NAME+","+BACKGROUND_COLOR+" from "
+ INCIDENT_CATAGORY_TABLE + " where "
+ CONTRACT_TYPE_ID + " = ?", new String[] { contractTypeId });
cursor.moveToFirst();
while (!cursor.isAfterLast()) {
String text = cursor.getString(cursor.getColumnIndex(NAME));
Log.v("Text", text);
String png = cursor.getString(cursor.getColumnIndex(BACKGROUND_COLOR));
IncidentCategoryHolder mHolder = new IncidentCategoryHolder();
mHolder.setName(text);
mHolder.setBackgroundColor(png);
data.add(mHolder);
cursor.moveToNext();
}
cursor.close();
return data;
}
它返回完美的行,但多次。任何人都可以建议我在这里犯错了。