First download animation

First download animation

#pragma mark to set the first start animation
NSString *info = [nsbundlemainbundle].infodictionary[@ "Cfbundleversion"];

[nsthreadsleepfortimeinterval:5.0f];

Create window
self.window= [[uiwindowalloc]init];self.window.backgroundcolor= [Uicolor

Whitecolor];
self.window.frame= [UIScreen

Mainscreen].bounds;

• Get version number

• NSString *key = @ "Cfbundleversion";

• NSString *lastversion =[[nsuserdefaultsstandarduserdefaults]objectforkey:key];

NSString *currentversion = [Nsbundlemainbundle].infodictionary[key];

//
if ([Currentversionisequaltostring:lastversion]) {

Self.window.rootViewController =[[sptabbarcontroller alloc] init];
}else
{Self.window.rootviewcontroller=[[welcomeviewcontroller alloc] init];

[[Nsuserdefaultsstandarduserdefaults]setobject:currentversion Forkey:key];
[[Nsuserdefaultsstandarduserdefaults] synchronize];
// }

#import "WelcomeViewController.h" #import "SPTabBarController.h" #import "Define.h"
@interface Welcomeviewcontroller ()

@property (nonatomic, strong) Uiscrollview*welcome;
@property (nonatomic, strong) Uiimageview*next;

@end

@implementation Welcomeviewcontroller

-(void) viewdidload {[Super viewdidload];

Self.welcome = [[Uiscrollview alloc]init];

Self.welcome.frame = [Uiscreenmainscreen].bounds;

Self.welcome.contentSize = Cgsizemake (Kscreenwidth, kscreenheight);

Self.welcome.pagingenabled=yes;

Self.welcome.showshorizontalscrollindicator=no;

Self.welcome.showsverticalscrollindicator=no;

Self.welcome.bounces=no;

for (int i=1; i < 3 + 1; i++) {uiimageview*

Imageview=[[uiimageview Alloc]init]; CGFloat ImageX = (i-1) *

Kscreenwidth;
CGFloat imagey = 0;

Imageview.frame=cgrectmake (Imagex,imagey, Kscreenwidth, kscreenheight);

Imageview.image=[uiimageimagenamed:[nsstring

stringwithformat:@ "%d", I]]; [Self.welcome

addsubview:imageview];/**

* Add a button to the homepage at the last picture

*/
if (i = = 3) {

[Selfsetuplastimageview:imageview];

}}

[Self.view addSubview:self.welcome];}

-(void) Setuplastimageview: (uiimageview*) ImageView

{
To add a button on ImageView, you need to turn on user interaction

Can, Uiimageview this function by default off Imageview.userinteractionenabled=yes;

uibutton* Btn=[[uibutton Alloc]init];

Btn.frame=cgrectmake (0, 0, kscreenwidth,kscreenheight);

[Btn addtarget:selfaction: @selector (jumpmainpage) forcontrolevents:uicontroleventtouchupinside];

[ImageView addsubview:btn];}

-(void) Jumpmainpage {

uiwindow* window =[uiapplicationsharedapplication].keywindow;

Window.rootviewcontroller=[[sptabbarcontroller Alloc]init];
}

-(void) didreceivememorywarning {[Super didreceivememorywarning];

}

First download animation