OC(二)-加载动画 - 图1
    .h

    1. //
    2. //  gifView.h
    3. //  GifPicture
    4. //
    5. //  Created by HMC on 16/8/23.
    6. //  Copyright © 2016年 SKing. All rights reserved.
    7. //
    9. #import <UIKit/UIKit.h>
    11. @interface gifView : UIView
    12. //外圈
    13. @property (weak, nonatomic) IBOutlet UIImageView *cycle;
    14. // logo 图标
    15. @property (weak, nonatomic) IBOutlet UIImageView *logo;
    16. //显示的message
    17. @property (weak, nonatomic) IBOutlet UILabel *messageLabel;
    19. + (instancetype)initInstance;
    21. /**
    22.  *  动画
    23.  *
    24.  *  @param message          加载的文字
    25.  *  @param isCycleAnimation 圆是否有动画
    26.  *  @param isLogoAnimation  logo 是否有动画
    27.  */
    28. -(void)startAnimationWithMessage:(NSString *) message isCycleAnimation:(BOOL) isCycleAnimation isLogoAnimation:(BOOL)isLogoAnimation;
    30. @end

    .m

    1. //
    2. //  gifView.m
    3. //  GifPicture
    4. //
    5. //  Created by HMC on 16/8/23.
    6. //  Copyright © 2016年 SKing. All rights reserved.
    7. //
    9. #import "gifView.h"
    11. @implementation gifView
    15. + (instancetype)initInstance {
    18.     return [[[NSBundle mainBundle] loadNibNamed:@"gifView" owner:nil options:nil] lastObject];
    19. }
    21. -(void)startAnimationWithMessage:(NSString *) message isCycleAnimation:(BOOL) isCycleAnimation isLogoAnimation:(BOOL)isLogoAnimation  {
    22.     if(message != nil ){
    24.         self.messageLabel.text = message;
    26.     }
    28.     if(isCycleAnimation){
    29.         CABasicAnimation* rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
    30.         rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 ];
    31.         rotationAnimation.duration = 1.5;
    32.         rotationAnimation.cumulative = YES;
    33.         rotationAnimation.repeatCount = MAXFLOAT;
    34. //      切换后台再回来动画不停止
    35.         rotationAnimation.removedOnCompletion = NO;
    36.         [self.cycle.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
    37.     }
    39.     if(isLogoAnimation){
    41.         CABasicAnimation * transformAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.y"];
    42.         transformAnimation.removedOnCompletion = NO;
    43.         transformAnimation.duration = 3.0;
    44.         transformAnimation.toValue = @(0);
    45.         transformAnimation.fromValue = @(M_PI);
    46.         transformAnimation.repeatCount = MAXFLOAT;
    47.         [self.logo.layer addAnimation:transformAnimation forKey:@"transformAnimation"];
    50.         CABasicAnimation * transformAnimation1 = [CABasicAnimation animationWithKeyPath:@"transform.rotation.y"];
    51.         transformAnimation1.removedOnCompletion = NO;
    52.         transformAnimation1.duration = 3.0;
    53.         transformAnimation1.fromValue = @(-M_PI);
    54.         transformAnimation1.toValue = @(0);
    55.         transformAnimation1.repeatCount = MAXFLOAT;
    56.         [self.logo.layer addAnimation:transformAnimation1 forKey:@"transformAnimation1"];
    59.     }
    60. }
    64. @end

    调用

    1. //
    2. //  ViewController.m
    3. //  GifPicture
    4. //
    5. //  Created by HMC on 16/8/23.
    6. //  Copyright © 2016年 SKing. All rights reserved.
    7. //
    9. #import "ViewController.h"
    10. #import "gifView.h"
    12. @interface ViewController ()
    14. @end
    15. @implementation ViewController
    17. - (void)viewDidLoad {
    18.     [super viewDidLoad];
    19.     gifView * animateView = [gifView initInstance];
    20.     animateView.center = self.view.center;
    21.     [animateView startAnimationWithMessage:@"跟我一起转圈圈,哈哈" isCycleAnimation:YES isLogoAnimation:YES];
    22.     [self.view addSubview:animateView];
    23. }
    26. @end

    代码地址: 点这里