Dynamically size cell based on content iOS - ios

Question

I have a custom cell shown in attachment:
I am using a UIWebView to display tweet text. Some of the tweets are short and I want to resize the web view, move up the Time Since, and then finally resize the cell. I know how to resize the web view, but don't know how to figure out how to move the time since and resize the cell.
- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSFetchedResultsController *fetchedResultsController = nil;
if (self.tweetsSegmentedControl.selectedSegmentIndex == REPORTERS_SELECTED_INDEX)
{
fetchedResultsController = self.reportersFetchedResultsController;
}
else if (self.tweetsSegmentedControl.selectedSegmentIndex == PLAYERS_SELECTED_INDEX)
{
fetchedResultsController = self.playersFetchedResultsController;
}
Tweet *tweet = [fetchedResultsController objectAtIndexPath:indexPath];
//Calcaulate height of box, instead of return a fixed number
return 170;
}

Answer 1

I know how to resize the web view
Don't. Use autosizing to stretch the UIWebView with height of the cell.
how to move the time since
Don't. Use autosizing to pin Time Since to the bottom of the cell.
resize the cell
Use -tableView:heightForRowAtIndexPath:
Update
The way I did this before is to set a known size for the flexible view (for you the web view) in the prototype cell and set a known size for the prototype cell. In this case we'll say the web view is kPrototypeViewHeight and the prototype is kPrototypeCellHeight.
In the table view controller:
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
UIWebView *webView = … // Whatever you need to do to get the web view
CGFloat webViewHeight = webView.frame.size.height;
return kPrototypeCellHeight - kPrototypeViewHeight + webViewHeight;
}
Note: This will be done before -tableView:cellForRowAtIndexPath: is called. So you need to know your size before you have to draw yourself.
Note 2: Because you are changing the size of webView yourself, you will not want it autosized.
Note 3: You will be redering each web view in your table to calculate your height. My guess is scrolling will be very slow.
Hope that helps.