接上篇：transform
手勢配合使用transform
手勢可以新增在任何想要的地方，一般新增在imageview上。
gesturerecognizer 手勢識別器
使用手勢，首先要確定控制項的手勢互動式開啟的：
//開啟互動
self.rv.imv.userinteractionenabled = yes;
1、輕拍
uitapgesturerecognizer * tap = [[uitapgesturerecognizer alloc] initwithtarget:self action:@selector(tapaction:)];
設定屬性
tap.numberoftapsrequired = 1; // 次數
tap.numberoftouchesrequired = 2; // 觸控數
//輕拍
- (void)tapaction:(uigesturerecognizer *)sender
//將手勢新增在檢視上
[self.rv.imv addgesturerecognizer:tap];
2、長按
uilongpressgesturerecognizer * longpress = [[uilongpressgesturerecognizer alloc] initwithtarget:self action:@selector(longpress:)];
[self.rv.imv addgesturerecognizer:longpress];
//長按
- (void)longpress:(uilongpressgesturerecognizer *)sender
else if (sender.state == uigesturerecognizerstateended) }
3、輕掃
uiswipegesturerecognizer * swipe = [[uiswipegesturerecognizer alloc] initwithtarget:self action:@selector(swipeaction:)];
屬性 輕掃方向 只能相對的方向，左右或上下
swipe.direction = uiswipegesturerecognizerdirectionleft | uiswipegesturerecognizerdirectionright;
//輕掃
- (void)swipeaction:(uiswipegesturerecognizer *)sender
//將手勢新增在檢視上
[self.rv.imv addgesturerecognizer:swipe];
4、拖動
uipangesturerecognizer * pan = [[uipangesturerecognizer alloc] initwithtarget:self action:@selector(panaction:)];
//拖動
- (void)panaction:(uipangesturerecognizer *)sender
//將手勢新增在檢視上
[self.rv.imv addgesturerecognizer:pan];
5、旋轉
uirotationgesturerecognizer * rotation = [[uirotationgesturerecognizer alloc] initwithtarget:self action:@selector(rotationaction:)];
//旋轉
- (void)rotationaction:(uirotationgesturerecognizer *)sender
//將手勢新增在檢視上
[self.rv.imv addgesturerecognizer:rotation];
6、捏合
uipinchgesturerecognizer * pinch = [[uipinchgesturerecognizer alloc] initwithtarget:self action:@selector(pinchaction:)];
//捏合
- (void)pinchaction:(uipinchgesturerecognizer *)sender
//將手勢新增在檢視上
[self.rv.imv addgesturerecognizer:pinch];
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