objective c - iOS - Custom Confirmation view -

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i working on creating custom control once user presses button , action completes. i'm trying replicate behavior of apple music app when album added shows confirmation view in center check mark shown below. there similar cocoa controls available use?

enter image description here

(swift) create singleton class

class customview: uiview {

class var sharedview : customview {     struct static {         static var instance : customview?         static var token : dispatch_once_t = 0     }     dispatch_once(&static.token) {         static.instance = customview()     }     return static.instance! }  override init(frame: cgrect) {     super.init(frame: frame) }  required init(coder adecoder: nscoder) {     super.init(coder: adecoder)  }  func showinview(view:uiwindow) {      var image = uiimage(named:"someimage")      self.frame = view.frame     var originx = view.center.x     var originy = view.center.y      let centerview = uiimageview()     centerview.center = cgpointmake(originx, originy)      centerview.contentmode = uiviewcontentmode.center      centerview.image = image     centerview.alpha = 0     self.addsubview(centerview)     view.addsubview(self)      uiview.animatewithduration(1, animations: { () -> void in         centerview.alpha = 1          }) { (_) -> void in             uiview.animatewithduration(1, animations: { () -> void in                 centerview.frame.size = cgsizemake(0,0)                 centerview.alpha = 0                 }) { (_) -> void in                     self.hide()              }     }  } func hide() {     if self.superview != nil     {         self.removefromsuperview()     } }

}

in viewcontroller can call method customview.sharedview.showinview(view:uiapplication.sharedapplication.keywindow())

objective c .h

#import <uikit/uikit.h>  @interface customview : uiview  + (instancetype)sharedinstance; -(void)showinview:(uiwindow*)view;  @end

objective c .m

#import "customview.h"  @implementation customview  + (instancetype)sharedinstance {     static customview *sharedinstance = nil;     static dispatch_once_t oncetoken;     dispatch_once(&oncetoken, ^{         sharedinstance = [[customview alloc] init];     });     return sharedinstance; }  - (instancetype)initwithcoder:(nscoder *)coder {     self = [super initwithcoder:coder];     if (self) {      }     return self; }  - (instancetype)initwithframe:(cgrect)frame {     self = [super initwithframe:frame];     if (self) {      }     return self; }   -(void)showinview:(uiwindow*)view {      uiimage *image = [uiimage imagenamed:@"img.png"];     self.frame = view.frame;     cgfloat originx = view.center.x;     cgfloat originy = view.center.y;      uiimageview *centerview = [uiimageview new];     centerview.center = cgpointmake(originx, originy);     centerview.contentmode = uiviewcontentmodecenter;     centerview.image = image;     centerview.alpha = 0;     [self addsubview:centerview];     [view addsubview:self];      [uiview animatewithduration:1 animations:^{         centerview.alpha = 1;      } completion:^(bool finished) {          [uiview animatewithduration:1 animations:^{             centerview.frame = cgrectmake(originx, originy, 0, 0);             centerview.alpha = 0;          } completion:^(bool finished) {              [self hideview];          }];      }]; }  -(void)hideview {     if(self.superview) {         [self removefromsuperview];     } }   @end

import customview.h in file , 

[[customview sharedinstance] showinview:[[uiapplication sharedapplication]keywindow]];

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