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次のコードは、URLからデータを取得するためのコードです。私は3行の選択肢の限られたを選択したい。この問題を解決するために私を助けてください。あなたはグローバル変数を持っており、最初にその値を0に設定することができますTIAURLからのUITableViewの行の選択の制限
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
// Return the number of rows in the section.
return [self.countriesArr count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
NSUInteger row = [indexPath row];
static NSString *MyIdentifier = @"tableCell";
CustomCell *cell = (CustomCell *) [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
if (cell == nil) {
NSArray *topLevelObjects = [[NSBundle mainBundle] loadNibNamed:@"CustomCell" owner:self options:nil];
for (id currentObject in topLevelObjects){
if ([currentObject isKindOfClass:[UITableViewCell class]]){
cell = (CustomCell *) currentObject;
}
}
}
NSDictionary *thisRow = [self.countriesArr objectAtIndex:row];
if(_WSConstCountryID !=nil && ![_WSConstCountryID isEqual:@"0"] && ![_WSConstCountryID isEqual:@""] && _WSConstCountrySelectedIndex ==row )
{
cell .accessoryType=UITableViewCellAccessoryCheckmark;
}
else {
cell .accessoryType=UITableViewCellAccessoryNone;
}
cell.lblTitle.text = [thisRow objectForKey:_WSColumnCountryName];
NSString *str=[thisRow objectForKey:_WSColumnCountryID];
NSString *stra=_WSConstCountryID;
if ([str isEqualToString:stra]) {
cell .accessoryType=UITableViewCellAccessoryCheckmark;
cell.highlighted=YES;
}else
{
cell .accessoryType=UITableViewCellAccessoryNone;
}
return cell;
}
#pragma mark -
#pragma mark Table view delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
[tableView deselectRowAtIndexPath:indexPath animated:YES];
NSUInteger row = [indexPath row];
NSDictionary *thisRow=[self.countriesArr objectAtIndex:row];
NSLog(@"%@",[thisRow description]);
UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
if (cell.accessoryType == UITableViewCellAccessoryNone)
{
cell.accessoryType = UITableViewCellAccessoryCheckmark;
}
else
{
cell.accessoryType = UITableViewCellAccessoryNone;
}
if(_WSConstCountryID!=nil && ![_WSConstCountryID isEqual:@"0"] && ![_WSConstCountryID isEqual:@""] &&_WSConstCountrySelectedIndex!=row)
{
UITableViewCell *cell = [tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:_WSConstCountrySelectedIndex inSection:0]];
if (cell != nil)
{
cell .accessoryType=UITableViewCellAccessoryNone;
}
}
if(cell.accessoryType == UITableViewCellAccessoryCheckmark)
{
_WSConstCountryID=[thisRow objectForKey:_WSColumnCountryID];
_WSConstCountryName=[thisRow objectForKey:_WSColumnCountryName];
_WSConstCountrySelectedIndex=row ;
}
else
{
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_WSConstCountrySelectedIndex=-1 ;
}
[self.navigationController popViewControllerAnimated:YES];
}