苹果抖动删除设置（ios按键震动怎么取消）

遇到过这种需求要做成类似与苹果删除软件时的动态效果。

1.长按抖动;
2.抖动时出现一个x;
3.点击x，删除button;
4.抖动时，点击按钮，停止抖动;

下面是我的设计思路：
1.继承uibutton；
2.给button在右上角添加一个按钮；
3.给button添加长按手势；
4.给button添加遮盖，抖动时可以拦截点击事件；

有更好的做法，还请斧正。

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 // .m文件 #import "dzdeletebutton.h" #import "uiview+extension.h" // 这个只是为了方便取宽高的一个分类，代码就不贴了 @interface dzdeletebutton () // 是否抖动 @property (nonatomic, assign, getter=isshaking) bool shaking; // 右上角的按钮， @property (nonatomic, weak) uiimageview *iconbtn; // 遮盖，在抖动时出现 @property (nonatomic, weak) uiview *coverview; @end @implementation dzdeletebutton - (uiimageview *)iconbtn { if (!_iconbtn) { uiimageview *iconbtn = [[uiimageview alloc] initwithimage:[uiimage imagenamed:@"delete"]]; iconbtn.userinteractionenabled = yes; iconbtn.hidden = yes; _iconbtn = iconbtn; uitapgesturerecognizer *tap = [[uitapgesturerecognizer alloc] initwithtarget:self action:@selector(iconclick)]; [iconbtn addgesturerecognizer:tap]; [self addsubview:iconbtn]; } return _iconbtn; } - (uiview *)coverview { if (!_coverview) { uiview *view = [[uiview alloc] init]; view.backgroundcolor = [uicolor clearcolor]; view.hidden = yes; uitapgesturerecognizer *tap = [[uitapgesturerecognizer alloc] initwithtarget:self action:@selector(coverclick)]; [view addgesturerecognizer:tap]; [self addsubview:view]; _coverview = view; } return _coverview; } - (instancetype)initwithframe:(cgrect)frame { self = [super initwithframe:frame]; if (self) { [self addlongpressgesturerecognizer]; } return self; } - (instancetype)init { self = [super init]; if (self) { [self addlongpressgesturerecognizer]; } return self; } - (instancetype)initwithcoder:(nscoder *)coder { self = [super initwithcoder:coder]; if (self) { [self addlongpressgesturerecognizer]; } return self; } // 添加长按手势 - (void)addlongpressgesturerecognizer { uilongpressgesturerecognizer *longpress = [[uilongpressgesturerecognizer alloc] initwithtarget:self action:@selector(longclick)]; [self addgesturerecognizer:longpress]; } - (void)delete { [self.iconbtn.superview removefromsuperview]; } // 是否执行动画 - (void)setshaking:(bool)shaking { if (shaking) { [self shakinganimation]; self.coverview.hidden = no; self.iconbtn.hidden = no; } else { [self.layer removeallanimations]; self.coverview.hidden = yes; self.iconbtn.hidden = yes; } } #pragma mark - 抖动动画 #define angle2radian(angle) ((angle) / 180.0 * m_pi) - (void)shakinganimation { cakeyframeanimation *anim = [cakeyframeanimation animation]; anim.keypath = @"transform.rotation"; anim.values = @[@(angle2radian(-5)), @(angle2radian(5)), @(angle2radian(-5))]; anim.duration = 0.25; // 动画次数设置为最大 anim.repeatcount = maxfloat; // 保持动画执行完毕后的状态 anim.removedoncompletion = no; anim.fillmode = kcafillmodeforwards; [self.layer addanimation:anim forkey:@"shake"]; } - (void)longclick { if (self.shaking) return; self.shaking = yes; } // 点击右上角按钮 - (void)iconclick { [self removefromsuperview]; // 设计一个代理，为了在自己被删除后做一些事情(例如，对页面进行布局) if ([self.delegate respondstoselector:@selector(deletebuttonremoveself:)]) { [self.delegate deletebuttonremoveself:self]; } } - (void)coverclick { self.shaking = no; } - (void)layoutsubviews { [super layoutsubviews]; // 调整位置 self.imageview.x = 0; self.imageview.y = 0; self.imageview.width = self.width; self.imageview.height = self.width; self.titlelabel.x = 0; self.titlelabel.width = self.width; if (self.width >= self.height) { self.titlelabel.height = 20; self.titlelabel.y = self.height - self.titlelabel.height; } else { self.titlelabel.y = self.imageview.height; self.titlelabel.height = self.height - self.titlelabel.y; } self.titlelabel.textalignment = nstextalignmentcenter; self.iconbtn.size = cgsizemake(self.width * 0.3, self.width * 0.3); self.iconbtn.x = self.width - self.iconbtn.width; self.iconbtn.y = 0; self.coverview.frame = self.bounds; [self bringsubviewtofront:self.iconbtn]; } @end

1 2 3 4 5 6 7 8 9 10 11 12 13 // .h文件只有一个代理 #import <uikit/uikit.h> @class dzdeletebutton; @protocol dzdeletebuttondelegate <nsobject> @optional - (void)deletebuttonremoveself:(dzdeletebutton *)button; @end @interface dzdeletebutton : uibutton @property (nonatomic, weak) id<dzdeletebuttondelegate> delegate; @end

上面效果图在vc中的代码

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 - (void)viewdidload { [super viewdidload]; dzdeletebutton *button = [[dzdeletebutton alloc] init]; [button setimage:[uiimage imagenamed:@"bj"] forstate:uicontrolstatenormal]; [button settitle:@"百思" forstate:uicontrolstatenormal]; button.delegate = self; button.frame = cgrectmake(20, 20, 60, 80); [button settitlecolor:[uicolor redcolor] forstate:uicontrolstatenormal]; [button addtarget:self action:@selector(btnclick) forcontrolevents:uicontroleventtouchupinside]; [self.view addsubview:button]; } - (void)btnclick { nslog(@"点击button"); } - (void)deletebuttonremoveself:(dzdeletebutton *)button { nslog(@"已经删除，要做什么事"); }