Core Animation -07-Group Animation-day4

1 //2 //VIEWCONTROLLER.M3 //Caanimationgroup4 //5 //Created by Zhujiacong on 16/4/19.6 //copyright©2016 year WXHL. All rights reserved.7 //8 9 #import "ViewController.h"Ten  One @interfaceViewcontroller () A  -  -@property (Weak, nonatomic) Iboutlet UIView *Animationview; the  - @end -  - @implementationViewcontroller +  -  +  A- (void) Touchesbegan: (Nsset<uitouch *> *) touches withevent: (Uievent *)Event { at      -     //Rotate Animation -Cabasicanimation *animation1 = [cabasicanimation animationwithkeypath:@"transform.rotation.z"]; -Animation1.fromvalue = @0; -Animation1.tovalue =@ (m_pi_2); -      in     //Set Animation time -Animation1.duration =1; to     //Repeat rotation animation +Animation1.repeatcount =huge_valf; -      the      * //[_animationview.layer addanimation:animation1 forkey:nil]; $     Panax Notoginseng     //When you use Keyframe animations to change the background color -     //1 cannot use Uicolor, must use Cgcolor the     //2 cannot wrap Cgcolor as nsvalue need to use bridging to convert to ID type +Nsarray *colors = @[(__bridgeID) [Uicolor Redcolor]. Cgcolor, A(__bridgeID) [Uicolor Orangecolor]. Cgcolor, the(__bridgeID) [Uicolor Yellowcolor]. Cgcolor, +(__bridgeID) [Uicolor Greencolor]. Cgcolor, -(__bridgeID) [Uicolor Cyancolor]. Cgcolor, $(__bridgeID) [Uicolor Bluecolor]. Cgcolor, $(__bridgeID) [Uicolor Purplecolor]. Cgcolor -                         ]; -      theCakeyframeanimation *animation2 = [cakeyframeanimation animationwithkeypath:@"BackgroundColor"]; -Animation2.values =colors;Wuyi      the     //Set Animation time -Animation2.duration =Ten; Wu     //Repeat rotation animation -Animation2.repeatcount =huge_valf; About  $ //[_animationview.layer addanimation:animation2 forkey:nil]; -      -      -     //Create an animation group ACaanimationgroup *group =[Caanimationgroup animation]; +     //add animations to the animation group theGroup.animations =@[animation1, Animation2]; -      $     //set the duration of a group animation theGroup.duration =Ten; the      the [_animationview.layer addanimation:group forkey:nil]; the      - } in  the  the  About- (void) Viewdidload { the [Super Viewdidload]; the      the_animationview.layer.anchorpoint = Cgpointmake (0.5,2.W); +      -      the }Bayi  the @end

Core Animation -07-Group Animation-day4