UISlider作為進(jìn)度條一直為我們所使用蓖议,如果想獲取變化的值邦马,通過
UIControlEventValueChanged即可獲取眼虱,但是如果想獲取滑動(dòng)開始和結(jié)束的事件需要另外兩個(gè)事件:
[self.progressSlider addTarget:self action:@selector(sliderProgressChange:) forControlEvents:UIControlEventValueChanged];
[self.progressSlider addTarget:self action:@selector(sliderTouchDown:) forControlEvents:UIControlEventTouchDown];
[self.progressSlider addTarget:self action:@selector(sliderTouchUpInSide:) forControlEvents:UIControlEventTouchUpInside];