Ios-scrollview Create Android-viewpager Effect

1. Put the picture into the Images folder and rename it to Images.bundle. Drag into the project

2 drag ScrollView and press scroll view in the upper-left corner to select Deleagte in the View controller.

This time. Specifies that the proxy for scroll view is controller.

Add a proxy to the specified controller

#import <UIKit/UIKit.h> @interface Cszviewcontroller:uiviewcontroller <uiscrollviewdelegate>// Viewpager@property (Weak, nonatomic) Iboutlet Uiscrollview *scrollview; @end

@implementation cszviewcontroller-(void) viewdidload{[Super Viewdidload];    int width=self.view.frame.size.width;        int height=self.view.frame.size.height;    Remove multiple pages of content path from bundle compressed file NSString *bundlepath=[[nsbundle Mainbundle] pathforresource:@ "Images" oftype:@ "bundle"];    NSBundle *bundle=[[nsbundle alloc] Initwithpath:bundlepath]; Self.imagesarr=[bundle pathsforresourcesoftype:@ "JPG" indirectory:nil];self.scrollview.contentsize=cgsizemake (        Self.imagesarr.count*width,height);        Create paging for (int i=0; i<self.imagesarr.count; i++) {uiimageview *itemimage=[[uiimageview alloc] init];        Itemimage.image=[uiimage Imagewithcontentsoffile:self.imagesarr[i]];        Itemimage.frame=cgrectmake (i*width, 0, width, height);    [Self.scrollview Addsubview:itemimage];    }//Remove the slider self.scrollview.showshorizontalscrollindicator=no that appears when sliding;    Make Viewpager elastic. Split each page self.scrollview.pagingenabled=yes; Create an identity Uipagecontrol *ctr=[[uipagecontrolALLOC] init];    Ctr.bounds=cgrectmake (0, 0, 150, 50);    Ctr.center=cgpointmake (width*0.5, height-50);    Ctr.currentpageindicatortintcolor=[uicolor Redcolor];    Ctr.pageindicatortintcolor=[uicolor Graycolor];    ctr.currentpage=1; The number of declaration indicators.    If not set will not show Ctr.numberofpages=self.imagesarr.count;    [Ctr addtarget:self Action: @selector (pageindict:) forcontrolevents:uicontroleventvaluechanged];    [Self.view addsubview:ctr]; Because Self.view is already bound once, Pagecontrol is a weak reference self.pagecontrol=ctr;}    #pragma mark Click Indicator Jump viewpager-(ibaction) Pageindict: (ID) sender{int curr=self.pagecontrol.currentpage;    NSLog (@ "%d", Curr); Self.scrollview.contentoffset=cgpointmake (Self.view.frame.size.width*curr, 0);} #pragma mark stops when sliding Viewpager to allow the corresponding indicator to change-(void) scrollviewdidenddecelerating: (Uiscrollview *) scrollview{int OffSetX    =self.scrollview.contentoffset.x;    int index=offsetx/self.view.frame.size.width;    Self.pagecontrol.currentpage=index; } @end