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POAdding UIToolbar with two UIBarButtonItem to a UINavigationBar: poor UIToolbar and what about iPhone 4
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3789283
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3792046
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4
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2010-09-24T16:55:04.650
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2011-02-28T21:09:07.277
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2010-09-26T12:48:16.467
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I'm following the second tip from <a href="http://osmorphis.blogspot.com/2009/05/multiple-buttons-on-navigation-bar.html" rel="noreferrer">here</a>. In this tip two UIBarButtonItems are put together in a UIToolbar. Finally, the UIToolbar is added to the UINavigationBar. Now to my problems: 1) A white line is on top of the UIToolbar. If I increase the size of the UIToolbar, the gradient is wrong. I'm using the following size for the UIToolbar: <pre><code> UIToolbar *toolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, 90, 44.01)]; </code></pre> How can I get rid of the white line? See here: <img src="https://i.stack.imgur.com/xTkS4.png" alt="alt text"> The problem is that there is a white instead of a grey line. If it would be grey, everything would be perfect. 2) What about the difference of the display size of iPhone 3 and iPhone 4? Do I have to check which iPhone is used and then double the size? Edit: The buttons are created like in the following example I took from the above mentioned website: <pre><code>// create a toolbar to have two buttons in the right UIToolbar* tools = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, 133, 44.01)]; // create the array to hold the buttons, which then gets added to the toolbar NSMutableArray* buttons = [[NSMutableArray alloc] initWithCapacity:3]; // create a standard "add" button UIBarButtonItem* bi = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:NULL]; bi.style = UIBarButtonItemStyleBordered; [buttons addObject:bi]; [bi release]; // create a spacer bi = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil]; [buttons addObject:bi]; [bi release]; // create a standard "refresh" button bi = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(refresh:)]; bi.style = UIBarButtonItemStyleBordered; [buttons addObject:bi]; [bi release]; // stick the buttons in the toolbar [tools setItems:buttons animated:NO]; [buttons release]; // and put the toolbar in the nav bar self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:tools]; [tools release]; </code></pre> @ tc.: I tried to subclass <code>UIToolbar</code>. <pre><code>// MyToolbar.h #import <Foundation/Foundation.h> @interface MyToolbar : UIToolbar { } @end // MyToolbar.m #import "MyToolbar.h" @implementation MyToolbar - (void)drawRect:(CGRect)rect { // do nothing } - (id)initWithFrame:(CGRect)aRect { if ((self = [super initWithFrame:aRect])) { self.opaque = NO; self.backgroundColor = [UIColor clearColor]; self.clearsContextBeforeDrawing = YES; } return self; } @end </code></pre>
Tags
<iphone><objective-c><cocoa-touch><uinavigationbar><uitoolbar>
Title
Adding UIToolbar with two UIBarButtonItem to a UINavigationBar: poor UIToolbar and what about iPhone 4
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