iOS Objective-C wrap text of UITextField in UIAlertView and dynamically adjust height based on conte


I have a UIAlertView with the alertViewStyle of UIAlertViewStylePlainTextInput. I'm trying to find a way to make the UITextField of the UIAlertView adjust its height and wrap its text based on its content as the user types.

To be quite honest, I haven't the slightest clue how to do this.

Here is some of my code:

-(void)updateTicket:(id)sender { UIButton *sndr = (UIButton*)sender; int index = sndr.tag; UIAlertView *alert = [[UIAlertView alloc] init]; [alert setTag:-7]; [alert setDelegate:self]; [alert setTitle:[NSString stringWithFormat:@"Update Ticket #%i", [ticketIDs[index] intValue]]]; alert.alertViewStyle = UIAlertViewStylePlainTextInput; [alert textFieldAtIndex:0].placeholder = @"Note"; [alert textFieldAtIndex:0].tag = index; [alert textFieldAtIndex:0].autocapitalizationType = UITextAutocapitalizationTypeSentences; [alert textFieldAtIndex:0].autocorrectionType = UITextAutocorrectionTypeYes; [alert textFieldAtIndex:0].autoresizingMask = UIViewAutoresizingFlexibleHeight; [alert addButtonWithTitle:@"Cancel"]; [alert addButtonWithTitle:@"OK"]; [alert setCancelButtonIndex:0]; [alert show]; }


It is not possible to have a UITextField with multiple lines and dynamic height.

To achieve this please create a custom alert and add a UITextView as UITextViewcan have multiple lines. Override the <em>textViewDidChange:</em> and calculate the size of the text in the textview with <em>sizeWithFont:constrainedToSize:lineBreakMode:</em>. It will return the CGSize based on the height adjust the height of the UITextView and the alert.



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