I am using a navigation controller in my current application, but I had an issue with the navigation controller with the iOS4 and iOS5 so i tried to write the code for both iOS 4 & 5
if([[UINavigationBar class] respondsToSelector:#selector(appearance)]) //iOS >=5.0
{
[self.navigationController.navigationBar setBackgroundImage:image forBarMetrics:UIBarMetricsDefault];
}
else
{
self.navigationController.navigationBar.layer.contents = (id)[UIImage imageNamed:#"header.png"].CGImage;
}
But problem is when I run my app on iOS 4 version my navigation Controller look like this.
please suggest me.
Thank after a long search I tried this code which helped me.
import "ImageViewController.h"
#implementation UINavigationBar (CustomImage)
- (void)drawRect:(CGRect)rect {
UIImage *image = [UIImage imageNamed:#"background.png"];
[image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
}
#end
implement this code in your .m file
#implementation ImageViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationController.navigationBar.tintColor = [UIColor blackColor];
UIImageView *backGroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"background.png"]];
[self.navigationController.navigationBar insertSubview:backGroundView atIndex:0];
[backGroundView release];
}
#end
UINavigationController *navControl;
In else part, try like this.
UINavigationBar *navBar = self.navControl.navigationBar;
UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];
imgView.image = [UIImage imageNamed:#"header.png"];
[navBar addSubview:imgView];
[imgView release];
Related
I have added Navigation bar and Navigation Item in xib. Now I need to add image to the left of Navigation bar, but its not getting added.
This is the code I'm working on:
- (void)viewDidLoad
{
UIImage *image = [UIImage imageNamed: #"i_launcher.png"];
UIImageView *imageView = [[UIImageView alloc] initWithImage: image];
self.navigationItem.titleView = imageView;
[imageView release];
}
I can't understand why the image is not getting added. How can I add it?
Looks like this is an old question with an accepted answer. However, I wanted to add:
In at least Xcode 5, if you are using storyboards then you can add the image as the navigationBar's title by dragging an empty view into the title area, and then placing the ImageView inside the empty view.
The following screenshot should give you an idea of how it looks:
#implementation UINavigationBar (CustomImage) -(void)drawRect:(CGRect)rect {
CGRect currentRect = CGRectMake(0,0,100,45);
UIImage *image = [UIImage imageNamed:#"ic_launcher.png"];
[image drawInRect:currentRect];
}
#end
UPDATE
just add this code in your viewDidLoad: method..
self.navigationItem.titleView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"yourimage.png"]];
UIBarButtonItem * item = [[UIBarButtonItem alloc] initWithCustomView:[[UIImageView alloc] initWithImage:[UIImage imageNamed:#"yourimage2.jpg"]]];
self.navigationItem.rightBarButtonItem = item;
and also if you want to direct set image in background of NavigationBar then use bellow line...
[self.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:#"i_launcher.png"] forBarMetrics:UIBarMetricsDefault];
also see this Link how-to-add-a-customized-image-button-to-uinavigationbar-in-iphone-sdk
i hope this help you...
- (void)viewDidLoad
{
UIImage *image = [UIImage imageNamed:#"Your Image"];
UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
imageView.frame = CGRectMake(5, 10, 72, 19);
[self.navViewController.navigationBar addSubview:imageView];
}
If you want to set your image at particular point in navigation bar then you can make a view and then add your image inside the view, adjust your image frame and then add this view to your navBar.
UIView *view = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 44)];
UIImageView *image = [[UIImageView alloc]initWithImage:[UIImage imageNamed:#"Default.png"]];
[image setFrame:CGRectMake(0, 0, 44, 44)];
[view addSubview:image];
[self.navigationController.navigationBar addSubview:view];
If you are adding NavBar from xib then just make IBOutlet for your UINavigationBar connect it in xib then
[myNavigationBar addSubview:view];
For Swift 4:
override func viewDidAppear(_ animated: Bool) {
// 1
let nav = self.navigationController?.navigationBar
// 2
nav?.barStyle = UIBarStyle.black
nav?.tintColor = UIColor.yellow
// 3
let imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 40, height: 40))
imageView.contentMode = .scaleAspectFit
// 4
let image = UIImage(named: "Apple_Swift_Logo")
imageView.image = image
// 5
navigationItem.titleView = imageView
}
Try to set the imageView.frame also please cross check the image initailized properly
UIImage *image = [UIImage imageNamed: #"i_launcher.png"];
UIImageView *imageView = [[UIImageView alloc] initWithImage: image];
imageView.frame.origin.x = 30.0; // You will have to find suitable values for the origin
imageView.frame.origin.y = 5.0;
self.navigationItem.titleView = imageView;
[imageView release];
Your code looks ok. But I don't know why you need to add navigation bar and item in xib. If you create your own view controller derived from UIViewController, it has contained navigation bar. You may try to remove yourself added navigation bar and item from xib and see what's happen.
If you want to show nav bar on the first view of a view-based application, you need to modify your application class code as below:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.viewController = [[TestViewController alloc] initWithNibName:#"TestViewController" bundle:nil];
// REMOVE THIS LINE !!!!!!!!!!!!!
//self.window.rootViewController = self.viewController;
// ADD BELOW TWO LINES !!!!!!!!!!!!!!!!!!!!!!!
UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:self.viewController];
self.window.rootViewController = nav;
[self.window makeKeyAndVisible];
return YES;
}
I just did a test like the following:
Create a new single-view based project.
Run it without any modification. It will show an empty screen.
Modify didFinishLaunchingWithOptions() as above in the application.m file.
In the viewcontroller.m, add the following lines.
-(void)viewDidLoad
{
[super viewDidLoad];
UIImageView *view = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 30, 30)];
view.image = [UIImage imageNamed:#"info.png"];
self.navigationItem.titleView = view;
}
Now run again. You will see a nav bar with a image as title.
To hide / show the image between movements to another controller do this. Adjust the CGRectMake dimensions accordingly.
Add this to your header file:
#property (weak, nonatomic) UIImageView *navBarLogo;
Add this to your .m controller file:
- (void)viewWillAppear:(BOOL)animated {
UIImage *image = [UIImage imageNamed:#"image_name.png"];
UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
imageView.frame = CGRectMake(53, 7, 210, 30);
self.navBarLogo = imageView;
[self.navigationController.navigationBar addSubview:imageView];
}
- (void)viewWillDisappear:(BOOL)animated {
[self.navigationController.navigationBar sendSubviewToBack:self.navBarLogo];
}
I hope this will help you sure. if not work mean check your image name is correct.
UIImage *yourimage = [UIImage imageNamed: #"i_launcher.png"];
UIButton *buttonBarButton = [ UIButton buttonWithType:UIButtonTypeCustom];
buttonBarButton.frame = CGRectMake(0, 0,yourimage.size.width,yourimage.size.height);
[buttonBarButton setBackgroundImage:yourimage forState:UIControlStateNormal];
[buttonBarButton addTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem *buttonBarButtonItem = [[[UIBarButtonItem alloc]initWithCustomView:buttonBarButton] autorelease];
self.navigationItem.leftBarButtonItem = buttonBarButtonItem;
if you wish add action means :
[buttonBarButton addTarget:self action:#selector(your function) forControlEvents:UIControlEventTouchUpInside];
I am working on iPhone app. I have added Navigation bar Background image
With interface: -
#interface UINavigationBar (backgroundImageWithTitle)
And method: -
- (void)drawRect:(CGRect)rect
By this method Navigation bar background images is being set one time.
I want to call it from different .m files for assigning different images on bar.
How it can be implemented?
Thanks in advance.
CustomNavigation.h
#import <Foundation/Foundation.h>
#interface UINavigationBar (UINavigationBarCustomDraw){
}
#end
CustomNavigation.m
#implementation UINavigationBar (UINavigationBarCustomDraw)
- (void) drawRect:(CGRect)rect {
[self setTintColor:[UIColor colorWithRed:0.5f
green: 0.5f
blue:0
alpha:1]];
if ([self.topItem.title length] > 0) {
if ([self.topItem.title isEqualToString:#"First"]) {
[[UIImage imageNamed:#"First.png"] drawInRect:rect];
}
else if ([self.topItem.title isEqualToString:#"Second"]) {
[[UIImage imageNamed:#"Second.png"] drawInRect:rect];
}
CGRect frame = CGRectMake(0, 0, 320, 44);
UILabel *label = [[[UILabel alloc] initWithFrame:frame] autorelease];
[label setBackgroundColor:[UIColor clearColor]];
label.font = [UIFont boldSystemFontOfSize: 20.0];
label.shadowColor = [UIColor colorWithWhite:0.0 alpha:1];
label.textAlignment = UITextAlignmentCenter;
label.textColor = [UIColor whiteColor];
label.text = self.topItem.title;
self.topItem.titleView = label;
}
else {
[[UIImage imageNamed:#"wood.png"] drawInRect:rect];
self.topItem.titleView = [[[UIView alloc] init] autorelease];
}
}
#end
if u want to First.png to set navigationBar background image in FirstViewController then
in ur FirstViewController.m
-(void) viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
self.title=#"First";
[self.navigationController.navigationBar drawRect:CGRectMake(0, 0, 320, 480)];
}
if u want to Second.png to set navigationBar background image in SecondViewController then
in ur SecondViewController.m
-(void) viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
self.title=#"Second";
[self.navigationController.navigationBar drawRect:CGRectMake(0, 0, 320, 480)];
}
On iOS 5 this will not work but the good news is that there is a simple way of doing this
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"name"] forBarMetrics:UIBarMetricsDefault];
NOTE: This will only work on iOS 5 and above so make sure you check iOS version if you want to be backwards compatible.
Or other option so that code runs only incase of iOS 5
if([[UINavigationBar class] respondsToSelector:#selector(appearance)]) //iOS >=5.0
{
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"navigationBar.png"] forBarMetrics:UIBarMetricsDefault];
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"navBar-Landscape.png"] forBarMetrics:UIBarMetricsLandscapePhone];
}
I have tried this
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"name"] forBarMetrics:UIBarMetricsDefault];
It works fine for iOS 5.0 but got crashed in iOS 4.3 or below.
You have either set conditional i.e for
iOS 5
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"name"] forBarMetrics:UIBarMetricsDefault];
else
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"name"]];
but still there is issue that it shows line under image.
Or you can do in this way
self.navigationItem.hidesBackButton = YES;
UINavigationBar *navBar = self.navigationController.navigationBar;
UIImage *image = [UIImage imageNamed:#"image.png"];
UIView *tempView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 45)];
UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 320, 45)];
imgView.image = image;
[tempView addSubview:imgView];
[navBar clearBackgroundImage];
[navBar addSubview:tempView];
[tempView release];
You can try in this way
if([[UINavigationBar class] respondsToSelector:#selector(appearance)]) //iOS >=5.0
{
//[[UINavigationBar appearance] setFrame:CGRectMake(0, 0, 320, 40)];
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"navigationBar.png"] forBarMetrics:UIBarMetricsDefault];
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:#"navBar-Landscape.png"] forBarMetrics:UIBarMetricsLandscapePhone];
[[UINavigationBar appearance] setBarStyle:UIBarStyleBlack];
}
and in else case you can add previous code i.e setBackgroundImage ....
Using (SDK 3.2.5.) - In one of my Apps I needed navigationBar with custom image both in landscape and portrait.
What I did was:
#implementation UINavigationBar (BackgroundImage)
- (void)drawRect:(CGRect)rect
{
UIImage *image;
if(self.frame.size.width == 320) //for iPhone - portrait will have 320 pix width.
{
image = [UIImage imageNamed: #"portraitNavigationBar.png"];
}
else
{
image = [UIImage imageNamed: #"landscapeNavigationBar.png"];
}
[image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
}
#end
Luckily my app supports rotation - so, when rotating - navigation bar automatically redraws itself.
But to manually redraw it - you can also call :
[navigationController.navigationBar setNeedsDisplay];
I want to put background image for navigation bar. I tried the following code but it hides the title for navigation.
self.title = #"My title";
UINavigationBar *navBar = self.navigationController.navigationBar;
UIImageView *image = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"top.png"]];
[navBar addSubview:image];
[navBar sendSubviewToBack:image];
Any buddy know why is it so?
This should go where your navigation controller is initialized, i.e. MainViewController.m
// Set the background image of the navigation bar
UIImage *image = [UIImage imageNamed:#"banner-with-logo.png"];
[self.navigationBar setBackgroundImage:image forBarMetrics:UIBarMetricsDefault];
[self.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:#"background.png"] forBarMetrics:UIBarMetricsDefault];
You can done by override the drawRect method
#implementation UINavigationBar (TENavigationBar)
- (void) drawRect:(CGRect)rect
{
UIImage *image = [UIImage imageNamed:#"navigation_background"];
[image drawInRect:CGRectMake(0,
0,
self.frame.size.width,
self.frame.size.height)];
}
#end
Solution by WaiLam will work but if you are playing movies in your app the player navigation bar will also get change. Here is a better approach -
#implementation UINavigationBar (UINavigationBarCategory)
- (void)drawLayer:(CALayer *)layer inContext:(CGContextRef)ctx
{
if([self isMemberOfClass:[UINavigationBar class]])
{
UIImage *image;
image=[UIImage imageNamed:#"hor_bar"];
CGContextClip(ctx);
CGContextTranslateCTM(ctx, 0, image.size.height);
CGContextScaleCTM(ctx, 1.0, -1.0);
CGContextDrawImage(ctx,
CGRectMake(0, 0, self.frame.size.width, self.frame.size.height), image.CGImage);
}
else
{
[super drawLayer:layer inContext:ctx];
}
}
#end
This will add an image, with the correct sizing, to the NavigationBar, centered.
/* custom navbar logo, centered with same height as navbar */
UIImageView *logo = [[UIImageView alloc] initWithFrame:
CGRectMake(self.navigationController.navigationBar.frame.size.width/2-75,0,150,
self.navigationController.navigationBar.frame.size.height-1)];
[logo setImage:[UIImage imageNamed:#"text_logo.png"]];
[self.navigationController.navigationBar addSubview:logo];
[self.navigationController.navigationBar sendSubviewToBack:logo];
If you want to add the image so that it is always the same throughout the application than use this:
- (void)drawRect:(CGRect)rect {
// Drawing code
UIImage *img = [UIImage imageNamed: #"background-image.png"];
[img drawInRect:CGRectMake(0,
0,
self.frame.size.width,
self.frame.size.height)];
}
otherwise if you want to set the image at a particular screen only than it is bit tricky like:
- (void) viewWillAppear{
...
...
[self addNavigationBarImage:YES];
}
- (void) viewWillDisappear{
...
...
[self addTheNavigationBarImage:NO];
}
- (void) addTheNavigationBarImage:(BOOL)add{
UIImageView *imgView = (UIImageView *)[[self.navigationController navigationBar] viewWithTag:TAG];
if(add){
if(imgView == nil){
imgView = [[[UIImageView alloc] initWithImage:IMAGE] autorelease];
[self.navigationController.navigationBar insertSubview:imgView atIndex:0];
}
//EDIT:
else{
[self.navigationController.navigationBar sendSubviewToBack:imgView];
}
}
else{
if(imgView)
[imgView removeFromSuperview];
}
}
Hope this helps.
i want to change navigation bar background using my own image, but i really dont know what to do. i was search it on google, but some samples tell in navigationbar template. my application is a split view base. How could i do that??
If you want to change the background of the navigation bar that too without using category, this might be helpful to give that feel, see if it fulfills your need:
- (void)viewDidLoad {
[super viewDidLoad];
UIView *v = [[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, 320.0, 44.0)];
//here for v, width= navBar width and height=navBar height
[v setBackgroundColor:[UIColor colorWithPatternImage:[UIImage imageNamed:#"a.png"]]];
[self.view addSubview:v];
[v release];
[self.navigationController.navigationBar setBackgroundColor:[UIColor clearColor]];
[self.navigationController.navigationBar setBarStyle:UIBarStyleBlackTranslucent];
}
#import "ImageViewController.h"
#implementation UINavigationBar (CustomImage)
- (void)drawRect:(CGRect)rect {
UIImage *image = [UIImage imageNamed:#"background.png"];
[image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
}
#end
implement this code in your .m file
#implementation ImageViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationController.navigationBar.tintColor = [UIColor blackColor];
UIImageView *backGroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"background.png"]];
[self.navigationController.navigationBar insertSubview:backGroundView atIndex:0];
[backGroundView release];
}
#end
You can add the image directly in the navigation bar background with the code below
[navigation_bar setBackgroundImage:[UIImage imageNamed:#"image.jpg"] forBarMetrics:UIBarMetricsDefault];
To add a background image to UINavigationBar, you need to create a category that extends UINavigationBar. Just find the below given code and add it into your implementation file.
#implementation UINavigationBar (CustomImage)
- (void)drawRect:(CGRect)rect {
UIImage *image = [UIImage imageNamed: #"background.png"];
[image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
}
#end
After implementing it.. you can call it anywhere within your application and you can see the change on every view. Do not forget to add image into your resources folder.
Is it possible to give a UIToolBar a custom background from an image rather than the usual tinted blue/black fade out?
I've tried giving the view a background and setting the opacity of the UIToolBar but that also affects the opacity of any UIBarButtons on it.
Answering my own question here!!! Overriding the drawRect function and creating an implementation of the UIToolbar does the trick :)
#implementation UIToolbar (CustomImage)
- (void)drawRect:(CGRect)rect {
UIImage *image = [UIImage imageNamed: #"nm010400.png"];
[image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
}
#end
UIToolbar inherits from UIView. This just worked for me:
[topBar insertSubview:[[[UIImageView alloc] initWithImage:[UIImage imageNamed:BAR_BKG_IMG]] autorelease] atIndex:0];
Slightly modified version of loreto's answer, which works for me on ios 4 and 5:
// Set the background of a toolbar
+(void)setToolbarBack:(NSString*)bgFilename toolbar:(UIToolbar*)toolbar {
// Add Custom Toolbar
UIImageView *iv = [[UIImageView alloc] initWithImage:[UIImage imageNamed:bgFilename]];
iv.frame = CGRectMake(0, 0, toolbar.frame.size.width, toolbar.frame.size.height);
iv.autoresizingMask = UIViewAutoresizingFlexibleWidth;
// Add the tab bar controller's view to the window and display.
if([[[UIDevice currentDevice] systemVersion] intValue] >= 5)
[toolbar insertSubview:iv atIndex:1]; // iOS5 atIndex:1
else
[toolbar insertSubview:iv atIndex:0]; // iOS4 atIndex:0
toolbar.backgroundColor = [UIColor clearColor];
}
This is the approach I use for iOS 4 and 5 compatibility:
if ([toolbar respondsToSelector:#selector(setBackgroundImage:forToolbarPosition:barMetrics:)]) {
[toolbar setBackgroundImage:[UIImage imageNamed:#"toolbar-background"] forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault];
} else {
[toolbar insertSubview:[[[UIImageView alloc] initWithImage:[UIImage imageNamed:#"toolbar-background"]] autorelease] atIndex:0];
}
just add this piece to your -(void)viewDidLoad{}
[toolBarName setBackgroundImage:[UIImage imageNamed:#"imageName.png"] forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault];
If you use idimmu's answer and want your barbuttonitems to be colored instead of the defaults, you can add these couple of lines of code as well to your category:
UIColor *color = [UIColor redColor];
self.tintColor = color;
You can use the Appearance API since iOS5:
[[UIToolbar appearance] setBackgroundImage:[UIImage imageNamed:#"navbar_bg"] forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault];
To be iOS 5 compliant you can do something like this
-(void) addCustomToolbar {
// Add Custom Toolbar
UIImageView *img = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"customToolbar.png"]];
img.frame = CGRectMake(-2, -20, img.frame.size.width+4, img.frame.size.height);
// Add the tab bar controller's view to the window and display.
if( SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO( #"5.0" ) )
[self.tabBarController.tabBar insertSubview:img atIndex:1]; // iOS5 atIndex:1
else
[self.tabBarController.tabBar insertSubview:img atIndex:0]; // iOS4 atIndex:0
self.tabBarController.tabBar.backgroundColor = [UIColor clearColor];
// Override point for customization after application launch.
[self.window addSubview:tabBarController.view];
}
this one works fine for me:
ToolbarOptions *tbar = [[ToolbarOptions alloc] init];
[tbar setToolbarBack:#"footer_bg.png" toolbar:self.toolbarForPicker];
[tbar release];
#import <Foundation/Foundation.h>
#interface ToolbarOptions : NSObject {
}
-(void)setToolbarBack:(NSString*)bgFilename toolbar:(UIToolbar*)toolbar;
#end
#import "ToolbarOptions.h"
#implementation ToolbarOptions
-(void)setToolbarBack:(NSString*)bgFilename toolbar:(UIToolbar*)bottombar {
// Add Custom Toolbar
UIImageView *iv = [[UIImageView alloc] initWithImage:[UIImage imageNamed:bgFilename]];
iv.frame = CGRectMake(0, 0, bottombar.frame.size.width, bottombar.frame.size.height);
iv.autoresizingMask = UIViewAutoresizingFlexibleWidth;
// Add the tab bar controller's view to the window and display.
if([[[UIDevice currentDevice] systemVersion] intValue] >= 5)
[bottombar insertSubview:iv atIndex:1]; // iOS5 atIndex:1
else
[bottombar insertSubview:iv atIndex:0]; // iOS4 atIndex:0
bottombar.backgroundColor = [UIColor clearColor];
}
#end
You can do this with a category that basically adds a new property to UIToolBar. Overriding drawRect can work but it's not necessarily future proof. That same strategy for custom UINavigationBar stopped working with iOS 6.
Here's how I'm doing it.
.h file
#interface UIToolbar (CustomToolbar)
#property (nonatomic, strong) UIView *customBackgroundView;
#end
.m file
#import "CustomToolbar.h"
#import
static char TIToolbarCustomBackgroundImage;
#implementation UIToolbar (CustomToolbar)
- (void)setCustomBackgroundView:(UIView *)newView {
UIView *oldBackgroundView = [self customBackgroundView];
[oldBackgroundView removeFromSuperview];
[self willChangeValueForKey:#"tfCustomBackgroundView"];
objc_setAssociatedObject(self, &TIToolbarCustomBackgroundImage,
newView,
OBJC_ASSOCIATION_RETAIN);
[self didChangeValueForKey:#"tfCustomBackgroundView"];
if (newView != nil) {
[self addSubview:newView];
}
}
- (UIView *)customBackgroundView {
UIView *customBackgroundView = objc_getAssociatedObject(self, &TIToolbarCustomBackgroundImage);
return customBackgroundView;
}
#end
In your view controller code, e.g. viewDidLoad
if (self.navigationController.toolbar.customBackgroundView == nil) {
self.navigationController.toolbar.customBackgroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"navigation_bar_background.png"]];
self.navigationController.toolbar.customBackgroundView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
}