028 using a list to achieve jumps between different interfaces

The effect is as follows:

ViewController.h

1 #import <UIKit/UIKit.h>23@interface  viewcontroller: Uiviewcontroller4@end

Viewcontroller.m

1 #import "ViewController.h"2 3 @interfaceViewcontroller ()4 @end5 6 @implementationViewcontroller7 8- (ID) init {9     if(self =[Super Init]) {Ten         //self.title = @ "Hello"; OneSelf.navigationItem.title =@"Hello"; A     } -     returnSelf ; - } the  -- (void) Viewdidload { - [Super Viewdidload]; -      +uilabel* lblmessage =[[UILabel alloc] initWithFrame:self.view.bounds]; -Lblmessage.text =@"Hello, world!."; +Lblmessage.textalignment =Nstextalignmentcenter; ALblmessage.textcolor =[Uicolor Blackcolor]; atLblmessage.backgroundcolor =[Uicolor Whitecolor]; -Lblmessage.autoresizingmask = Uiviewautoresizingflexiblewidth |Uiviewautoresizingflexibleheight; - [Self.view addsubview:lblmessage]; - } -  -- (void) didreceivememorywarning { in [Super didreceivememorywarning]; -     //Dispose of any resources the can be recreated. to } +  - @end

ViewController2.h

1 #import <UIKit/UIKit.h>23@interface  ViewController2: Uiviewcontroller4@end

Viewcontroller2.m

1 #import "ViewController2.h"2 3 @interfaceViewController2 ()4 @end5 6 @implementationViewController27 8- (ID) init {9     if(self =[Super Init]) {Ten         //self.title = @ "Hello"; OneSelf.navigationItem.title =@"Hello"; A     } -     returnSelf ; - } the  -- (void) Viewdidload { - [Super Viewdidload]; -      +uilabel* lblmessage =[[UILabel alloc] initWithFrame:self.view.bounds]; -Lblmessage.text =@"Hello, world! "; +Lblmessage.textalignment =Nstextalignmentcenter; ALblmessage.textcolor =[Uicolor Whitecolor]; atLblmessage.backgroundcolor =[Uicolor Blackcolor]; -Lblmessage.autoresizingmask = Uiviewautoresizingflexiblewidth |Uiviewautoresizingflexibleheight; - [Self.view addsubview:lblmessage]; - } -  -- (void) didreceivememorywarning { in [Super didreceivememorywarning]; -     //Dispose of any resources the can be recreated. to } +  - @end

TopMenuController.h

1 #import <UIKit/UIKit.h>23@interface  topmenucontroller: Uitableviewcontroller4 @property (nonatomic, strong) nsmutablearray* Marritem; 5 6 @end

Topmenucontroller.m

1 #import "TopMenuController.h"2 3 @implementationTopmenucontroller4- (ID) init {5   if(self =[Super Initwithstyle:uitableviewstyleplain]) {6Self.title =@"Main Menu";7     //initializing an array for display8_marritem = [[Nsmutablearray alloc] Initwithobjects:@"Viewcontroller",@"ViewController2", nil];9   }Ten   returnSelf ; One } A  - #pragmaMark-----Uitableviewdatasource Methods----- --(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) Section { the   return[_marritem Count]; - } -  --(uitableviewcell*) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) Indexpath { +UITableViewCell *cell =[[UITableViewCell alloc] initwithframe:cgrectzero]; -Cell.textLabel.text =[_marritem ObjectAtIndex:indexPath.row]; +   returncell; A } at  - #pragmaMark-----uitableviewdelegate Methods----- -- (void) TableView: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) Indexpath { -Classclass=nsclassfromstring ([_marritem objectAtIndex:indexPath.row]); -   IDViewcontroller = [[classalloc] init]; -   if(viewcontroller) { in [Self.navigationcontroller Pushviewcontroller:viewcontroller animated:yes]; -   }  to } +  - @end

AppDelegate.h

1 #import <UIKit/UIKit.h>23@interface Appdelegate:uiresponder < Uiapplicationdelegate>4 @property (Strong, Nonatomic) UIWindow *window; 5 @property (Strong, Nonatomic) Uinavigationcontroller *Navigationcontroller; 6 7 @end

Appdelegate.m

1 #import "AppDelegate.h"2 #import "TopMenuController.h"3 4 @interfaceappdelegate ()5 @end6 7 @implementationappdelegate8 9-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (Nsdictionary *) launchoptions {TenTopmenucontroller *topmenucontroller =[[Topmenucontroller alloc] init]; One_navigationcontroller =[[Uinavigationcontroller alloc] initwithrootviewcontroller:topmenucontroller]; A      -_window =[[UIWindow alloc] initwithframe:[[uiscreen mainscreen] bounds]; -_window.rootviewcontroller =Topmenucontroller; the [_window Addsubview:_navigationcontroller.view]; - [_window makekeyandvisible]; -     returnYES; - } +  -- (void) Applicationwillresignactive: (UIApplication *) Application { + } A  at- (void) Applicationdidenterbackground: (UIApplication *) Application { - } -  -- (void) Applicationwillenterforeground: (UIApplication *) Application { - } -  in- (void) Applicationdidbecomeactive: (UIApplication *) Application { - } to  +- (void) Applicationwillterminate: (UIApplication *) Application { - } the  * @end

028 using a list to achieve jumps between different interfaces