IOS Learning NSNavigationController1 Parent-child page Jump navigation bar Hide __ios

@implementation Appdelegate

-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (Nsdictionary *) launchOptions {

Override point for customization after application launch.

SELF.HOMEVC = [[Homeviewcontroller alloc]init];

Uinavigationcontroller *navigation = [[Uinavigationcontroller ALLOC]INITWITHROOTVIEWCONTROLLER:SELF.HOMEVC];

Self.window.rootViewController = navigation;

return YES;

}

#import "HomeViewController.h"

@interface Homeviewcontroller ()

@end

@implementation Homeviewcontroller

-(void) loadview{

UIView *baseview = [[UIView alloc]initwithframe:[[uiscreen Mainscreen]applicationframe]];

Self.view = Baseview;

Baseview.backgroundcolor = [Uicolor Purplecolor];

}

-(void) Viewdidload {

[Super Viewdidload];

UIButton *button = [[UIButton alloc]initwithframe:cgrectmake (100, 100, 200, 40)];

Button.layer.cornerRadius = 8;

Button.backgroundcolor = [Uicolor Greencolor];

[Button settitle:@ "push" forstate:uicontrolstatenormal];

[Button addtarget:self action: @selector (PUSHTV) forcontrolevents:uicontroleventtouchupinside];

[Self.view Addsubview:button];

}

-(void) pushtv{

Uiviewcontroller *SECONDTV = [[Secondviewcontroller alloc]init];

Jump to sub page

[Self.navigationcontroller Pushviewcontroller:secondtv Animated:yes];

}

-(void) didreceivememorywarning {

[Super didreceivememorywarning];

}

@end

#import "SecondViewController.h"

@interface Secondviewcontroller ()

@end

@implementation Secondviewcontroller

-(void) Viewdidload {

[Super Viewdidload];

Do no additional setup after loading the view.

UIButton *button = [[UIButton alloc]initwithframe:cgrectmake (100, 100, 200, 40)];

Button.layer.cornerRadius = 8;

Button.backgroundcolor = [Uicolor Purplecolor];

[Button settitle:@ "second" forstate:uicontrolstatenormal];

[Button addtarget:self action: @selector (BACKTV) forcontrolevents:uicontroleventtouchupinside];

[Self.view Addsubview:button];

UIButton *savebtn = [[UIButton alloc]initwithframe:cgrectmake (125, 200, 150, 40)];

SaveBtn.layer.cornerRadius = 8;

Savebtn.backgroundcolor = [Uicolor Orangecolor];

[Savebtn settitle:@ "Save" forstate:uicontrolstatenormal];

[Savebtn addtarget:self Action: @selector (Saveclick) forcontrolevents:uicontroleventtouchupinside];

[Self.view ADDSUBVIEW:SAVEBTN];

}

-(void) backtv{

Navigation bar Hide

if (Self.navigationController.toolbarHidden) {

[Self.navigationcontroller Settoolbarhidden:no Animated:yes];

[Self.navigationcontroller Setnavigationbarhidden:no Animated:yes];

}else

{

[Self.navigationcontroller Settoolbarhidden:yes Animated:yes];

[Self.navigationcontroller Setnavigationbarhidden:yes Animated:yes];

}

}

-(void) saveclick{

Back to the main face

[Self.navigationcontroller Poptorootviewcontrolleranimated:yes];

}

-(void) didreceivememorywarning {

[Super didreceivememorywarning];

}

@end