"iOS Controls" Uiscrollview event description

1 //2 //UIDEMOVIEWCONTROLLER.M3 //06-1uiscrolldemo4 //5 //Created by K on 14-9-4.6 //Copyright (c) 2014 com.akleee.www. All rights reserved.7 //8 9 #import "UIDemoViewController.h"Ten  One @interfaceUidemoviewcontroller () <UIScrollViewDelegate> A@property (Weak, nonatomic) Iboutlet Uiscrollview *Scrollviw; -@property (Weak, nonatomic) Iboutlet Uiimageview *img; -  the-(Ibaction) Changeoffset: (ID) sender; -  -  - @end +  - @implementationUidemoviewcontroller +  A- (void) Viewdidload at { - [Super Viewdidload]; -     //additional setup after loading the view, typically from a nib. -     //NSLog (@ "%@", Nsstringfromcgrect (_img.frame)); -      -     //set up a removable area in_scrollviw.contentsize=_img.bounds.size; -      to     //Visual Window Position +     intmovetop= -, moveleft= -; -      the_scrollviw.contentoffset=Cgpointmake (Movetop, moveLeft); *      $     //Visual Window SizePanax Notoginseng    //int windoww=100,windowh=400,windowx=10,windowy=20; -    //_scrollviw.frame=cgrectmake (windowx, Windowy, Windoww, WINDOWH); the      +     //outer margin A     intpaddingt=Ten, paddingl=Ten, paddingr= -, paddingb= -; the      +_scrollviw.contentinset=Uiedgeinsetsmake (Paddingt, Paddingl, PADDINGB, Paddingr); -      $     //Horizontal scroll bar $ //_scrollviw.showshorizontalscrollindicator=no; - // - //    //Vertical scroll bar the //_scrollviw.showsverticalscrollindicator=no; -     Wuyi_scrollviw.Delegate=Self ; the      -_scrollviw.maximumzoomscale=2; Wu      -_scrollviw.minimumzoomscale=0.1; About      $ } -  -  -- (void) didreceivememorywarning A { + [Super didreceivememorywarning]; the     //Dispose of any resources the can be recreated. - } $-(void) Scrollviewwillbegindragging: (Uiscrollview *) scrollview{ the     //Start dragging the     //NSLog (@ "scrollviewwillbegindragging%@", Nsstringfromcgpoint (Scrollview.contentoffset)); the      the } --(void) Scrollviewdidscroll: (Uiscrollview *) ScrollView { in     //is being dragged and dragged the     //NSLog (@ "Scrollviewdidscroll%@", Nsstringfromcgpoint (Scrollview.contentoffset)); the } About  the  the-(void) Scrollviewdidenddragging: (Uiscrollview *) ScrollView willdecelerate: (BOOL) decelerate{ the     //drag and drop end +     //NSLog (@ "scrollviewdidenddragging%@", Nsstringfromcgpoint (Scrollview.contentoffset)); - } the Bayi-(void) Scrollviewwillbegindecelerating: (Uiscrollview *) scrollview{ the     //start sliding after dragging the     //NSLog (@ "scrollviewwillbegindecelerating%@", Nsstringfromcgpoint (Scrollview.contentoffset)); - } --(void) Scrollviewdidenddecelerating: (Uiscrollview *) scrollview{ the  the     //slide to end after dragging the     //NSLog (@ "scrollviewdidenddecelerating%@", Nsstringfromcgpoint (Scrollview.contentoffset)); the  - } the-(void) Scrollviewdidscrolltotop: (Uiscrollview *) scrollview{ the     //swipe to the bottom to trigger when the top navigation of the system is automatically positioned to the top the     //NSLog (@ "Scrollviewdidscrolltotop%@", Nsstringfromcgpoint (Scrollview.contentoffset));94      the } the  the 98-(BOOL) Scrollviewshouldscrolltotop: (Uiscrollview *) scrollview{ About     //swipe to content below click System Top Navigation -NSLog (@"scrollviewshouldscrolltotop%@", Nsstringfromcgpoint (Scrollview.contentoffset));101     //returns whether to automatically locate to the top102     returnNO;103 }104  the-(void) Scrollviewdidendscrollinganimation: (Uiscrollview *) scrollview{106     //Trigger This event when Trigger [_scrollviw setcontentoffset:cgpointmake (up to Animated:yes)];107     //This event will not be triggered if animated:no.108     //NSLog (@ "Scrollviewdidendscrollinganimation%@", Nsstringfromcgpoint (Scrollview.contentoffset));109 } the 111-(UIView *) Viewforzoominginscrollview: (Uiscrollview *) scrollview{ the     //set the UIView to be scaled113    //NSLog (@ "Viewforzoominginscrollview%@", Nsstringfromcgpoint (Scrollview.contentoffset)); the      the  the     return_img;117 118 }119  --(void) Scrollviewwillbeginzooming: (Uiscrollview *) ScrollView Withview: (UIView *) view{121     //Start Scaling122NSLog (@"scrollviewwillbeginzooming");123     124 } the 126-(void) Scrollviewdidendzooming: (Uiscrollview *) ScrollView Withview: (UIView *) View Atscale: (cgfloat) scale127 { -     //End Zoom129NSLog (@"scrollviewdidendzooming"); the 131      the }133 134 135 136 137 138-(Ibaction) Changeoffset: (ID) Sender {139NSLog (@"Change offset"); $[_scrollviw Setcontentoffset:cgpointmake ( $, $) Animated:no];141     //_scrollviw. Contentoffset=cgpointmake (a);142 }143 @end

iOS Controls Uiscrollview event description