[英]How to change tableview cell image?
I have table view in side bar which is similar to facebook app. 我在侧栏中有表格视图,类似于Facebook应用程序。 In my sidebar tableview i have imageview in each row.
在我的侧边栏tableview中,每一行都有imageview。 I want the imageview will be changed when i clicked the cell and it will be retain while for selecting another cell.
我希望当我单击单元格时imageview将被更改,并且在选择另一个单元格时将保留它。 Here is my code
这是我的代码
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]autorelease];
}
[[cell.contentView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
UIView * contentView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 60)];
UIImageView * cellImg = [[UIImageView alloc]initWithFrame:CGRectMake(5,8,259, 60)];
[cellImg setImage:[UIImage imageNamed:[menuArr objectAtIndex:indexPath.row]]];
[contentView addSubview:cellImg];
[contentView setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:contentView];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
return cell;
}
#pragma mark - Table view delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
delegate.sideBarSelectedIndex = indexPath.row;
NSLog(@"delegate.sideBarSelectedIndex: %d",delegate.sideBarSelectedIndex);
[UIView commitAnimations];
if (self.sidebarDelegate) {
NSObject *object = [NSString stringWithFormat:@"ViewController%d", indexPath.row];
[self.sidebarDelegate sidebarViewController:self didSelectObject:object atIndexPath:indexPath];
[delegate.firstLensePageObj timerFunction:indexPath.row];
}
}
Try this in your didSelectRowAtIndexPath
delegate method :- 在您的
didSelectRowAtIndexPath
委托方法中尝试一下:
UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
cell.imageView.image = [UIImage imageNamed:@"yourImage"];
Try this in cellForRowAtIndexPath. 在cellForRowAtIndexPath中尝试此操作。
UIImageView *selectedImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Your Image"]];
cell.selectedBackgroundView = selectedImageView;
Need to capture the selected indexpath in didSelectRowAtIndexPath: method and need to reload the tableview in that method. 需要在didSelectRowAtIndexPath:方法中捕获选定的索引路径,并需要在该方法中重新加载表视图。 In cellForRowAtIndexPath need to check the selected index with current index.
在cellForRowAtIndexPath中需要用当前索引检查所选索引。
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]autorelease];
}
[[cell.contentView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
UIView * contentView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 60)];
UIImageView * cellImg = [[UIImageView alloc]initWithFrame:CGRectMake(5,8,259, 60)];
if (delegate.sideBarSelectedIndex == indexpath.row){
//Selected cell
[cellImg setImage:[UIImage imageNamed:[selectedMenuArr objectAtIndex:indexPath.row]]];
}else {
//Unselected cell
[cellImg setImage:[UIImage imageNamed:[menuArr objectAtIndex:indexPath.row]]];
}
[contentView addSubview:cellImg];
[contentView setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:contentView];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
return cell;
}
#pragma mark - Table view delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
delegate.sideBarSelectedIndex = indexPath.row;
NSLog(@"delegate.sideBarSelectedIndex: %d",delegate.sideBarSelectedIndex);
[UIView commitAnimations];
if (self.sidebarDelegate) {
NSObject *object = [NSString stringWithFormat:@"ViewController%d", indexPath.row];
[self.sidebarDelegate sidebarViewController:self didSelectObject:object atIndexPath:indexPath];
[delegate.firstLensePageObj timerFunction:indexPath.row];
}
}
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