Push ViewController

Push ViewController

I have added UINavigationBar in appDelegate method. Please check my
atatched screen shots. In bottom is i have used UINavigationBar. In middel
of the page history button is there.
Here when i click the history button its cant go to historyviwcontrooler.
Because i cant push the view. Can you please tell me how i can push here.
When i click history its called only one calls after only thet called
another class there only i given UI. How i handel here . please help me
#import "UICallButton.h"
#import "LinphoneManager.h"
#import <CoreTelephony/CTCallCenter.h>
@implementation UICallButton
@synthesize addressField;
#pragma mark - Lifecycle Functions
- (void)initUICallButton {
[self addTarget:self action:@selector(touchUp:)
forControlEvents:UIControlEventTouchUpInside];
}
- (id)init {
self = [super init];
if (self) {
[self initUICallButton];
}
return self;
}
- (id)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
[self initUICallButton];
}
return self;
}
- (id)initWithCoder:(NSCoder *)decoder {
self = [super initWithCoder:decoder];
if (self) {
[self initUICallButton];
}
return self;
}
- (void)dealloc {
[addressField release];
[super dealloc];
}
#pragma mark -
- (void)touchUp:(id) sender {
NSString *address = [addressField text];
NSString *displayName = nil;
ABRecordRef contact = [[[LinphoneManager instance] fastAddressBook]
getContact:address];
if(contact) {
displayName = [FastAddressBook getContactDisplayName:contact];
}
[[LinphoneManager instance] call:address displayName:displayName
transfer:FALSE];
}
@end