IOS開發之TableView替換預設的checkmark為自訂映像

來源:互聯網
上載者:User

直接上代碼:

 

 

On cellForRowAtIndexPath:UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];CGRect frame = CGRectMake(0.0, 0.0, image.size.width, image.size.height);button.frame = frame;[button setBackgroundImage:image forState:UIControlStateNormal];[button addTarget:self action:@selector(checkButtonTapped:event:)  forControlEvents:UIControlEventTouchUpInside];button.backgroundColor = [UIColor clearColor];cell.accessoryView = button;checkButtonTapped:event: Method:- (void)checkButtonTapped:(id)sender event:(id)event{NSSet *touches = [event allTouches];UITouch *touch = [touches anyObject];CGPoint currentTouchPosition = [touch locationInView:self.tableView];NSIndexPath *indexPath = [self.tableView indexPathForRowAtPoint: currentTouchPosition];if (indexPath != nil){[self tableView: self.tableView accessoryButtonTappedForRowWithIndexPath: indexPath];}}accessoryButtonTappedForRowWithIndexPath: Method- (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath{NSMutableDictionary *item = [dataArray objectAtIndex:indexPath.row];BOOL checked = [[item objectForKey:@"checked"] boolValue];[item setObject:[NSNumber numberWithBool:!checked] forKey:@"checked"];UITableViewCell *cell = [item objectForKey:@"cell"];UIButton *button = (UIButton *)cell.accessoryView;UIImage *newImage = (checked) ? [UIImage imageNamed:@"unchecked.png"] : [UIImage imageNamed:@"checked.png"];[button setBackgroundImage:newImage forState:UIControlStateNormal];} 

 

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