iOS常用几大手势的创建方法

常用几大手势的创建方法

/**
 *  手势: 1.点击手势 -- uitapgesturerecognizer
         2.长按手势 -- uilongpressgesturerecognizer
         3.拖拉手势 -- uipangesturerecognizer
         4.捏合手势 -- uipinchgesturerecognizer
         5.轻扫手势 -- uiswipegesturerecognizer
         6.旋转手势 -- uirotationgesturerecognizer
 */

点击

// 1>. 点击手势 -- 创建
    uitapgesturerecognizer *tap = [[uitapgesturerecognizer alloc] initwithtarget:self action:@selector(tap:)];

长按

// 2>. 长按手势
uilongpressgesturerecognizer *longpress = [[uilongpressgesturerecognizer alloc] initwithtarget:self action:@selector(longclick:)];
// 设置手指个数 -- 模拟器上最大只能设置 2 个手指 ，真机可随便设置
longpress.numberoftouchesrequired = 1;
// 设置点击次数 -- 没有最大限制
// longpress.numberoftapsrequired = 2;
// 设置按上的时间
longpress.minimumpressduration = 3;

拖拉

// 3>. 拖拉手势
uipangesturerecognizer *pan = [[uipangesturerecognizer alloc] initwithtarget:self action:@selector(twolaclick:)];

捏合

// 4>. 捏合手势
uipinchgesturerecognizer *pinch = [[uipinchgesturerecognizer alloc] initwithtarget:self action:@selector(niehe:)];

轻扫

// 5>. 轻扫手势
uiswipegesturerecognizer *swipe = [[uiswipegesturerecognizer alloc] initwithtarget:self action:@selector(qingsao)];
// 设置手指的个数和
swipe.numberoftouchesrequired = 1;
// 设置轻扫方向
swipe.direction = uiswipegesturerecognizerdirectionright;

旋转

// 6>. 旋转手势
uirotationgesturerecognizer *rotation = [[uirotationgesturerecognizer alloc] initwithtarget:self action:@selector(xuanzhuan:)];

创建好手势后，添加到相应的view上，实现响应事件！！