Tariq Tariq - 1 year ago 108
Objective-C Question

UITableViewCell expand on click

Lets say we have a custom UITableViewCell

So whenever I click custom button on cell.. it should expand to the some extent (you can say 40 height more...) and when i click again to the same custom button it should collapse to the previous height.

Developer's please guide me.. how can I achieve this task

Answer Source

Implement heightForRowAtIndexPath to calculate the right height. Then in the code for your button, force the table to reevaluate each cell's height with beginUpdates plus endUpdates:

[self.tableView beginUpdates];
[self.tableView endUpdates];

Changes to the tableview cells' heights will automatically be calculated with heightForRowAtIndexPath and the changes will be animated too.

In fact, instead of a button on your cell that does this, you might even just make selecting the cell do this in didSelectRowAtIndexPath.

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