How do I animate a UIButton in a UITableView?

You should probably assign the UIButton a tag, maybe even define an integer tag to make it easy to read when you have four buttons define CELL_BUTTON_ONE 9999 When you build the first button assign this tag: myButton setTag:CELL_BUTTON_ONE; cell addSubView:myButton Since I don't know where or how you load the images it is a bit hard to says what you should do. The idea is you get a reference to the UITableViewCell that owns the button you want to replace by an image. Anywhere you have a reference to a cell you can now go: UIButton *buttonOne = cell viewWithTag:CELL_BUTTON_ONE; button setImage:loadedImage.

You should probably assign the UIButton a tag, maybe even define an integer tag to make it easy to read when you have four buttons. #define CELL_BUTTON_ONE 9999 When you build the first button assign this tag: myButton setTag:CELL_BUTTON_ONE; cell addSubView:myButton; Since I don't know where or how you load the images it is a bit hard to says what you should do. The idea is you get a reference to the UITableViewCell that owns the button you want to replace by an image.

Anywhere you have a reference to a cell you can now go: UIButton *buttonOne = cell viewWithTag:CELL_BUTTON_ONE; button setImage:loadedImage.

1 That's the right way to do. But, shouldn't it be cell. ContentView addSubview: myButton?

And I think it is buttonOne setImage:loadedImage forState:xxxxx – David Aug 18 '10 at 15:42 I think you are right David:) I usually do custom cells so I don't use the different cell views. – RickiG Aug 24 '10 at 18:17.

Do it in -cellForRowAtIndexPath. When your image has finished downloading, you'll call -reloadData on your table view. You can create outlets for each UIButton in your cell or you can just assign them a tag.

Set their alpha to 0.0 in IB. Then when -cellForRowAtIndexPath gets called, if the image for that row/button is available, set it's image and then call -setAlpha:1.0 in a UIView animation block. Something like: - (UITableViewCell*)tableView:(UITableView*)tv cellForRowAtIndexPath:(NSIndexPath*)indexPath { // get a reference to your cell... // get reference to the UIButton in the cell UIButton *button = cell viewWithTag:tagForButton; UIView beginAnimations:nil context:NULL; UIView setAnimationDuration:0.75; button setAlpha:1.0f; UIView commitAnimations; } The only issue I can think of is that you will need to keep track of the alpha value for a given indexPath based on your data due to cell re-use.So if your button1 in the current cell has already had it's alpha set to 1.0, you don't want to animate it again, but you will want to animate any other button's alpha that haven't been set yet.

This image visibility state is something you will have to keep track of. It's not real hard to do, but there is more to it than just setting the alpha. Let me know if you need clarification.

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