How to load .xib UIviews on ViewController in ios - 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

Answer 1

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

Answer 2

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];

Answer 3

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

Answer 4

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.

Answer 5

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];
}