希望有人可以在这里帮助我。我有一个包含列表视图的布局,列表视图中的每个项目都包含单独的文本字段来表示一周中的几天-> SMTWTFS 我想要做的是更改文本项目的颜色,如果它们是在数据库中设置的. 这几乎可行,但我注意到列表视图中的第一行在其他列表行中设置时会更改所有项目的颜色。
我的文本项是这样声明的
textSUN = (TextView) v.findViewById(R.id.textSUN);
textMON = (TextView) v.findViewById(R.id.textMON);
textTUE = (TextView) v.findViewById(R.id.textTUE);
textWED = (TextView) v.findViewById(R.id.textWED);
textTHU = (TextView) v.findViewById(R.id.textTHU);
textFRI = (TextView) v.findViewById(R.id.textFRI);
textSAT = (TextView) v.findViewById(R.id.textSAT);
然后我查询我的数据库并设置适配器
db = new DatabaseHandler(getActivity());
mCursor=db.getReadableDatabase().rawQuery("SELECT rowid _id,* "+
"FROM table", null);
adapter = new SimpleCursorAdapter(getActivity(),
R.layout.list_row, mCursor,
new String[] {DatabaseHandler.KEY_SUNDAY, DatabaseHandler.KEY_MONDAY,DatabaseHandler.KEY_TUESDAY,DatabaseHandler.KEY_WEDNESDAY, DatabaseHandler.KEY_THURSDAY, DatabaseHandler.KEY_FRIDAY,
DatabaseHandler.KEY_SATURDAY,},
new int[] {R.id.textSUN,R.id.textMON, R.id.textTUE, R.id.textWED, R.id.textTHU, R.id.textFRI, R.id.textSAT});
最后,如果从数据库返回的值是 1,我尝试在视图活页夹中设置颜色
adapter.setViewBinder(new SimpleCursorAdapter.ViewBinder() {
@Override
public boolean setViewValue(View view, Cursor cursor, int
columnIndex) {
final int sun_column = cursor.getColumnIndex("sun");
final int mon_column = cursor.getColumnIndex("mon");
final int tue_column = cursor.getColumnIndex("tue");
final int wed_column = cursor.getColumnIndex("wed");
final int thu_column = cursor.getColumnIndex("thu");
final int fri_column = cursor.getColumnIndex("fri");
final int sat_column = cursor.getColumnIndex("sat");
}
if (columnIndex == sun_column) {
int sun = cursor.getInt(cursor.getColumnIndexOrThrow("sun"));
if(sun == 1){
((TextView) view).setTextColor(Color.parseColor("#FFFFFF"));
}
return true;
}
if (columnIndex == mon_column) {
int mon = cursor.getInt(cursor.getColumnIndexOrThrow("mon"));
if(mon == 1){
((TextView) view).setTextColor(Color.parseColor("#FFFFFF"));
}
return true;
}
if (columnIndex == tue_column) {
int tue = cursor.getInt(cursor.getColumnIndexOrThrow("tue"));
if(tue == 1){
((TextView) view).setTextColor(Color.parseColor("#FFFFFF"));
}
return true;
}
if (columnIndex == wed_column) {
int wed = cursor.getInt(cursor.getColumnIndexOrThrow("wed"));
if(wed == 1){
((TextView) view).setTextColor(Color.parseColor("#FFFFFF"));
}
return true;
}
if (columnIndex == thu_column) {
int thu = cursor.getInt(cursor.getColumnIndexOrThrow("thu"));
if(thu == 1){
((TextView) view).setTextColor(Color.parseColor("#FFFFFF"));
}
return true;
}
if (columnIndex == fri_column) {
int fri = cursor.getInt(cursor.getColumnIndexOrThrow("fri"));
if(fri == 1){
((TextView) view).setTextColor(Color.parseColor("#FFFFFF"));
}
return true;
}
if (columnIndex == sat_column) {
int sat = cursor.getInt(cursor.getColumnIndexOrThrow("sat"));
if(sat == 1){
((TextView) view).setTextColor(Color.parseColor("#FFFFFF"));
}
return true;
}
return false;
}
});
lv = (ListView) v.findViewById(R.id.listView);
lv.setAdapter(adapter);
也许我对这一切都错了?它几乎可以工作。
非常感谢