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POUITableView scrolls too far when editing embedded UITextView
 

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  1. POUITableView scrolls too far when editing embedded UITextView
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    <p>I've successfully embedded a UITextView inside a UITableViewCell, and most of the table is working fine. However, when I enable editing on the UITextView and start editing, the table shifts up too far, obscuring the cursor. Is there a way to control how far the tableview scrolls? Manually scrolling the view to the cell works, but the view still scrolls up before scrolling back down and into view.</p> <p>Here is an example of what I mean: editing a UITextField - the field is neatly placed directly above the keyboard. <a href="http://imageshack.us/photo/my-images/13/textfield.png/" rel="nofollow">http://imageshack.us/photo/my-images/13/textfield.png/</a></p> <p>editing a UITextView - the field is placed significantly above the keyboard removing the toolbar from the keyboard doesn't affect anything) <a href="http://imageshack.us/photo/my-images/809/textview.png/" rel="nofollow">http://imageshack.us/photo/my-images/809/textview.png/</a></p> <p>Here's all the code that is relevant to the UITextView in the UITableViewController object:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; self.navigationItem.rightBarButtonItem = self.editButtonItem; [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(keyboardWillShow:) name: UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(keyboardWillHide:) name: UIKeyboardWillHideNotification object:nil]; } - (BOOL)textViewShouldBeginEditing:(UITextView *)textView { viewTargetedForEditing = (UIView *)textView; return YES; } - (void)textViewDidBeginEditing:(UITextView *)textView { [self.navigationController setNavigationBarHidden:YES animated:YES]; // shrink the textView to fit on-screen originalTextViewFrame = textView.frame; CGRect keyboardRect = [[keyboardUserinfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue]; CGFloat keyboardHeight = keyboardRect.size.height; CGRect newViewFrame = textView.frame; CGFloat spaceAboveKeyboard = self.containerView.frame.size.height - keyboardHeight; newViewFrame.size.height = (spaceAboveKeyboard &lt; textView.frame.size.height) ? spaceAboveKeyboard : textView.frame.size.height; /* animate the calculations */ [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:[[keyboardUserinfo objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]]; textView.frame = newViewFrame; [UIView commitAnimations]; // recalculate the keyboard height, in case we aren't in portrait mode CGFloat toolbarHeight; if (UIInterfaceOrientationIsPortrait(self.interfaceOrientation)) { toolbarHeight = 44.0; } else { toolbarHeight = 32.0; } CGRect frame = textView.inputAccessoryView.frame; frame.size.height = toolbarHeight; } - (void)endTextViewEditing { [viewTargetedForEditing resignFirstResponder]; } - (void)textViewDidEndEditing:(UITextView *)textView { [self.navigationController setNavigationBarHidden:NO animated:YES]; } #pragma mark - Keyboard Notifications - (void)keyboardWillShow:(NSNotification *)notification { [keyboardUserinfo release]; keyboardUserinfo = [[notification userInfo] retain]; [self viewDidBeginEditing:viewTargetedForEditing]; } - (void)keyboardWillHide:(NSNotification *)notification { [keyboardUserinfo release]; keyboardUserinfo = [[notification userInfo] retain]; [self viewDidEndEditing:viewTargetedForEditing]; } - (void)viewDidBeginEditing:(id)aView { // called 2nd UITableViewCell *cell = (UITableViewCell *)[aView superview]; [self.tableView scrollToRowAtIndexPath:[self.tableView indexPathForCell:cell] atScrollPosition:UITableViewScrollPositionTop animated:YES]; } - (void)viewDidEndEditing:(id)aView { NSIndexPath *indexPath = [self.tableView indexPathForCell:(UITableViewCell *)[viewTargetedForEditing superview]]; gallupAppDelegate *appDelegate = (gallupAppDelegate *)[[UIApplication sharedApplication] delegate]; switch (indexPath.section) { case SectionDescription: if (![[(UITextField *)aView text] isEqualToString:self.plan.Description]) { self.plan.Description = [(UITextField *)aView text]; [appDelegate saveManagedContext]; } break; case SectionNotes: if (![[(UITextView *)aView text] isEqualToString:self.plan.Notes]) { self.plan.Notes = [(UITextView *)aView text]; [appDelegate saveManagedContext]; } break; case SectionLocation: if (![[(UITextField *)aView text] isEqualToString:self.plan.Location]) { self.plan.Location = [(UITextField *)aView text]; [appDelegate saveManagedContext]; } break; } } </code></pre> <p>The TextViewCell is a subclass of UITableViewCell, and it is the cell that is giving me the problem with scrolling.Here's the implementation:</p> <pre><code>@implementation TextViewCell @synthesize contents=_contents; - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; if (self) { _contents = [[UITextView alloc] initWithFrame:CGRectZero]; [self addSubview:_contents]; self.contents.font = [UIFont systemFontOfSize:17]; self.contents.dataDetectorTypes = UIDataDetectorTypeAll; CGRect frame = CGRectMake(0, 0, self.window.frame.size.width, 44.0); UIBarButtonItem *spacer = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil]; UIBarButtonItem *done = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStyleDone target:self action:@selector(endTextViewEditing)]; UIToolbar *textViewToolbar = [[UIToolbar alloc] initWithFrame:frame]; textViewToolbar.barStyle = UIBarStyleBlackOpaque; [textViewToolbar setItems:[NSArray arrayWithObjects:spacer, done, nil]]; self.contents.inputAccessoryView = textViewToolbar; } return self; } - (void)endTextViewEditing { [self.contents resignFirstResponder]; } #define LEFT_MARGIN 15 #define TOP_MARGIN 5 - (void)layoutSubviews { [super layoutSubviews]; CGFloat width = self.frame.size.width - (LEFT_MARGIN *2); CGFloat height = self.frame.size.height - (TOP_MARGIN *2); self.contents.frame = CGRectMake(LEFT_MARGIN, TOP_MARGIN, width, height); } - (void)setSelected:(BOOL)selected animated:(BOOL)animated { //[super setSelected:selected animated:animated]; // Configure the view for the selected state } - (void)dealloc { [super dealloc]; } @end </code></pre>
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    2. COI've added a few screenshots; I'll add some code as soon as I am able to. I'm usually pretty resourceful, but the reason I'm stumped right now is that I don't touch scrolling in my code. I'm at such a loss on this issue that I was hoping to find someone who had overcome the same difficulty I'm faced with. I'm looking forward to your help (as soon as I can get some coherent and relevant code posted)
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