Composite animation caanimationgroup

Declare and define a uiimageview in the Custom viewcontroller.

 
1@ Property (nonatomic, retain) uiimageview * imgview;
 

 
1 @ SynthesizeImgview;
 

Add an image to the viewdidload function and execute a composite animation.

 1  //  Add Image  
  2 Imgview = [[uiimageview alloc] initwithimage: [uiimage imagenamed: @"  Icon@2x.png  " ];
 3 Imgview. Frame = cgrectmake ( 100 , 100 , Imgview. Frame. Size. Width, imgview. Frame. Size. Height );
 4 [Self. View addsubview: imgview];
 5 [Imgview release];
 6      
 7       //  Beiser curve path  
  8 Uibezierpath * movepath = [uibezierpath bezierpath];
 9 [Movepath movetopoint: cgpointmake ( 10.0 , 10.0 )];
 10 [Movepath addquadcurvetopoint: cgpointmake ( 100 , 300 ) Controlpoint: cgpointmake ( 300 , 100 )];
 11      
 12       //  The following must import the quartzcore package
  13  //  Key Frame Animation (position)  
  14 Cakeyframeanimation * posanim = [cakeyframeanimation animationwithkeypath: @"  Position  " ];
 15 Posanim. Path = movepath. cgpath;
 16 Posanim. removedoncompletion = yes;
 17      
 18       //  Zoom Animation 
  19 Cabasicanimation * scaleanim = [cabasicanimation animationwithkeypath: @"  Transform  " ];
 20 Scaleanim. fromvalue = [nsvalue valuewithcatransform3d: catransform3didentity];
 21 Scaleanim. tovalue = [nsvalue valuewithcatransform3d: catransform3dmakescale ( 0.1 , 0.1 , 1.0 )];
 22 Scaleanim. removedoncompletion = yes;
 23      
 24       //  Transparent Animation  
  25 Cabasicanimation * opacityanim = [cabasicanimation animationwithkeypath: @"  Alpha  " ];
 26 Opacityanim. fromvalue = [nsnumber numberwithfloat: 1.0 ];
 27 Opacityanim. tovalue = [nsnumber numberwithfloat: 0.1 ];
 28 Opacityanim. removedoncompletion = yes;
 29      
 30       //  Animation Group  
  31 Caanimationgroup * animgroup = [caanimationgroup animation];
 32 Animgroup. animations = [nsarray arraywithobjects: posanim, scaleanim, opacityanim, nil];
 33 Animgroup. Duration =1 ;
 34      
 35 [Imgview. layer addanimation: animgroup forkey: Nil];