How to load .xib UIviews on ViewController in ios

Question

Hi i am very new for ios and in my app i am loading UIView using .xib files

when i click first buttons i want to load FirstView and remove otherviews when i click second button i want to load SecondView and remove otherviews when i click third button i want to load ThirdView and remove otherviews

mycode:-

#import "ViewController.h" @interface ViewController () @end @implementation ViewController @synthesize leftView,rightView; - (void)viewDidLoad { [super viewDidLoad]; } - (IBAction)FirstAction:(id)sender { FirstView * test1 = [[FirstView alloc]initWithFrame:CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height)]; test1.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [rightView addSubview:test1]; } - (IBAction)SecondAction:(id)sender { SecondView * test2 = [[SecondView alloc]initWithFrame:CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height)]; test2.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [rightView addSubview:test2]; } - (IBAction)ThirdAction:(id)sender { ThirdView * test3 = [[ThirdView alloc]initWithFrame:CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height)]; test3.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [rightView addSubview:test3]; } @end

You said you are loading views using xib files. But you are creating them programmatically in your action methods. Do you have the xib files in your project? — Pradeep K
– Pradeep K, Commented Feb 15, 2016 at 9:26
yes i am having xib files in my project this is my sample app — AbhiRam
– AbhiRam, Commented Feb 15, 2016 at 9:29

Shehzad Ali · Accepted Answer · 2016-02-15 09:57:46Z

Try this piece of code: I have written code for view which will remove previous view before adding the new one.

#import "ViewController.h" @interface ViewController () { FirstView * test1; SecondView * test2; ThirdView * test3; } @end @implementation ViewController @synthesize leftView,rightView; - (void)viewDidLoad { [super viewDidLoad]; test1 = [[[NSBundle mainBundle] loadNibNamed:@"FirstView" owner:self options:nil] objectAtIndex:0]; test2 = [[[NSBundle mainBundle] loadNibNamed:@"SecondView" owner:self options:nil] objectAtIndex:0]; test3 = [[[NSBundle mainBundle] loadNibNamed:@"ThirdView" owner:self options:nil] objectAtIndex:0]; } - (IBAction)FirstAction:(id)sender { test1.frame = CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height); test1.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [self removePreviousView:test1 FromSuperView:rightView]; [rightView addSubview:test1]; } - (IBAction)SecondAction:(id)sender { test2.frame = CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height); test2.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [self removePreviousView:test2 FromSuperView:rightView]; [rightView addSubview:test2]; } - (IBAction)ThirdAction:(id)sender { test3.frame = CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height); test3.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [self removePreviousView:test3 FromSuperView:rightView]; [rightView addSubview:test3]; } - (void)removePreviousView:(UIView*)previousView FromSuperView:(UIView*)view{ for (UIView *subView in view.subviews) { if (![subView isKindOfClass:[previousView class]]) { [subView removeFromSuperview]; } } } @end

yeah I have checked you are doing several things in wrong way. Like you have set classes of the views in nib but you are not loading your view from nib.
I have updated the code. Replace it with the code in your UIViewController and check out the results.

KDeogharkar · Accepted Answer · 2016-02-15 09:05:15Z

1

1) Make view global

FirstView * test1; SecondView * test2; ThirdView * test3;

Remove from superview whenever you want:

[test1 removeFromSuperView];

2) Add tag to view

test1.tag = 10;

Remove view using tag value:

[(UIView*)[rightView viewWithTag:10] removeFromSuperview];

edited Feb 15, 2016 at 9:05

answered Feb 15, 2016 at 9:00

KDeogharkar

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5 Comments

KDeogharkar Over a year ago

sorry for any type in snippet.

AbhiRam Over a year ago

Hi @KDeogharkar not adding xib UIview

KDeogharkar Over a year ago

so you are saying that view is not displaying?

KDeogharkar Over a year ago

first,second,third view is having xib?

AbhiRam Over a year ago

Let us continue this discussion in chat.

Akshay Sunderwani · Accepted Answer · 2016-02-15 10:44:28Z

Use this code. It contains a loadXib: call that loads the view from the nib with the given name and returns it.

@interface ViewController () { FirstView * test1; SecondView * test2; ThirdView * test3; } @end @implementation ViewController @synthesize leftView,rightView; - (void)viewDidLoad { [super viewDidLoad]; } -(UIView*)loadXib:(NSString *)name { UINib *nib = [UINib nibWithNibName:name bundle:nil]; if (nib != nil) { NSArray *items = [nib instantiateWithOwner:self options:nil]; if (items != nil && items.count == 1) { return (UIView*)items[0]; } } return nil; } - (IBAction)FirstAction:(id)sender { // test1 = [[FirstView alloc]initWithFrame:CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height)]; test1 = (FirstView*)[self loadXib:@"FirstView"]; if (test1 != nil) { test1.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [rightView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]; [rightView addSubview:test1]; } } - (IBAction)SecondAction:(id)sender { // test2 = [[SecondView alloc]initWithFrame:CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height)]; test2 = (SecondView*)[self loadXib:@"SecondView"]; if (test2 != nil) { test2.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [rightView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]; [rightView addSubview:test2]; } } - (IBAction)ThirdAction:(id)sender { // test3 = [[ThirdView alloc]initWithFrame:CGRectMake(0, 0, rightView.frame.size.width, rightView.frame.size.height)]; test3 = (ThirdView*)[self loadXib:@"ThirdView"]; if (test3 != nil ) { test3.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [rightView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]; [rightView addSubview:test3]; } } @end

nikhil84 · Accepted Answer · 2016-02-15 09:10:55Z

Below is method for your need.

/* Without tag */

- (void)removeSubviewsExpectView:(id)viewClass { for (UIView *subView in self.view.subviews) { if (![subView isKindOfClass:[viewClass class]]) { [subView removeFromSuperview]; } } }

/* With tag */

- (void)removeSubviewsExpectView:(int)viewTag { for (UIView *subView in self.view.subviews) { if (subView.tag != viewTag) { [subView removeFromSuperview]; } } }

Hope this helps you out.

Sreekanth · Accepted Answer · 2016-02-15 09:38:36Z

Firstly you create UiView IBOutlets in the NSBundle then you choose this method

- (IBAction)FirstAction:(id)sender { NSArray *viewsToRemove = [rightView subviews]; for (UIView *v in viewsToRemove) { [v removeFromSuperview]; } UIView *firstViewUIView = [[[NSBundle mainBundle] loadNibNamed:@"Test1" owner:self options:nil] firstObject]; [rightView containerView addSubview:firstViewUIView]; } - (IBAction)SecondAction:(id)sender { NSArray *viewsToRemove = [rightView subviews]; for (UIView *v in viewsToRemove) { [v removeFromSuperview]; } UIView *secondView = [[[NSBundle mainBundle] loadNibNamed:@"Test2" owner:self options:nil] firstObject]; [rightView containerView addSubview:seconView]; } - (IBAction)ThirdAction:(id)sender { NSArray *viewsToRemove = [rightView subviews]; for (UIView *v in viewsToRemove) { [v removeFromSuperview]; } UIView *thirdView = [[[NSBundle mainBundle] loadNibNamed:@"Test3" owner:self options:nil] firstObject]; [rightView containerView addSubview:thirdView]; }

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