Uimenucontroller,uipasteboard: Copy, paste detailed explanation

First of all, these four maps. I want to implement the functionality. "One picture tells one copy to another Uiimageview"

Implementation code such as the following:

-(Ibaction) Pangesturetop: (Uilongpressgesturerecognizer *) longpress{uimenuitem * itempase = [[UIMenuItem alloc] InitWi     thtitle:@ "Copy" Action: @selector (Copyimage)];     UIMenuItem * Itemtrans = [[UIMenuItem alloc] initwithtitle:@ "forward" Action: @selector (trans)];     UIMenuItem * Itemcollect = [[UIMenuItem alloc] initwithtitle:@ "Favorites" Action: @selector (collect)];        UIMenuItem * Itemjoin = [[UIMenuItem alloc] initwithtitle:@ "Add" Action: @selector (join)];    Uimenucontroller * Menucontroller = [Uimenucontroller Sharedmenucontroller];        [Menucontroller Setmenuitems: @[itempase,itemcollect,itemtrans,itemjoin]];    Cgpoint location = [longpress locationinview:[longpress view];    CGRect menulocation = CGRectMake (location.x, LOCATION.Y, 0, 0);    [Menucontroller settargetrect:menulocation inview:[longpress view];    Menucontroller.arrowdirection = Uimenucontrollerarrowdown; [Menucontroller Setmenuvisible:yes animated:yes];} -(BOOL) canbecomefirstresponder{return YES; -(void) Copyimage{Uipasteboard * Pasterboard = [Uipasteboard pasteboardwithname:@ "Com.test.image" create:yes];    Pasterboard.image = [Self.topimgview image]; }-(ibaction) Pangesturebottom: (Uilongpressgesturerecognizer *) longpress{uimenuitem * itempase = [[UIMenuItem alloc] In        itwithtitle:@ "Paste" Action: @selector (Pase)];    Uimenucontroller * Menucontroller = [Uimenucontroller Sharedmenucontroller];        [Menucontroller Setmenuitems: @[itempase]];    Cgpoint location = [longpress locationinview:[longpress view];    CGRect menulocation = CGRectMake (location.x, LOCATION.Y, 0, 0);    [Menucontroller settargetrect:menulocation inview:[longpress view];        Menucontroller.arrowdirection = Uimenucontrollerarrowdown; [Menucontroller Setmenuvisible:yes animated:yes];}    -(void) pase{Uipasteboard * Pasterboard = [Uipasteboard pasteboardwithname:@ "Com.test.image" create:no]; Self.bottomImgView.image = Pasterboard.image;}

When the operation. We need to turn the current uiviewcontroller into the first responders.

Copy is equivalent to copy a copy, increase I copied the picture, paste the image before the original image deleted. You can still go into the paste line.

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Uimenucontroller,uipasteboard: Copy, paste detailed explanation