2013-07-31 UISegment UISlider UIImageView

UISegment分段控件   

//分段控件UISegment

   NSArray *titles = [[NSArrayalloc]initWithObjects:@"最热",@"最新",@"动态",nil];

    UISegmentedControl *segment = [[UISegmentedControlalloc]initWithItems:titles];

    segment.segmentedControlStyle =UISegmentedControlStyleBezeled;

    //添加背景图片

    [segment setImage:[UIImageimageNamed:@"1.png"]forSegmentAtIndex:0];

    [segment setImage:[UIImageimageNamed:@"2.png"]forSegmentAtIndex:1];

    [segment setImage:[UIImageimageNamed:@"3.png"]forSegmentAtIndex:2];

    segment.tintColor = [UIColorgrayColor]; //tinColor一般用于设置前景色

    segment.center =CGPointMake(160,40);

    [self.viewaddSubview:segment];

    

 // segment.selectedSegmentIndex = 0;//默认选中第几个分段

    [segment addTarget:selfaction:@selector(segment:)forControlEvents:UIControlEventValueChanged];//只要是继承UIControll的类都会有这个方法

    //UIControll是所有控件的父类

-(void)segment:(UISegmentedControl *)aSegment

{

    //通过选中的Index来获取选中的标题

    NSString *selectedTitle = [aSegment titleForSegmentAtIndex:aSegment.selectedSegmentIndex];

    NSLog(@"%@",selectedTitle);

}

UISlider滑块控件

  //滑块控件UISlider›

    UISlider *slider = [[UISlideralloc]initWithFrame:CGRectMake(0,0, 200, 30)];

    slider.center = CGPointMake(160, 88);

    slider.minimumValue = 0;

    slider.minimumTrackTintColor = [UIColorredColor];

    slider.maximumValue = 1;

    slider.maximumTrackTintColor = [UIColorgreenColor];

    slider.maximumValueImage = [UIImageimageNamed:@"1.png"];

    slider.minimumValueImage = [UIImageimageNamed:@"2.png"];

    [slider addTarget:selfaction:@selector(sliderValueChange:)forControlEvents:UIControlEventValueChanged];

    [self.viewaddSubview:slider];

    [slider release];

-(void)sliderValueChange:(UISlider *)aSlider

{

    if (imgView.isAnimating)

    {

        [imgViewstopAnimating];

    }

    

    imgView.animationDuration = aSlider.value;

    [imgViewstartAnimating];

}

UIImageView

     //UIImageView

    imgView = [[UIImageViewalloc]initWithFrame:CGRectMake(0,0, 150,200)];

    imgView.userInteractionEnabled =YES;

    imgView.center  = CGPointMake(160,200);

    imgView.image = [UIImageimageNamed:@"run1.tiff"];

    [self.viewaddSubview: imgView];

    

    NSArray *imgs = [NSArrayarrayWithObjects:

                     [UIImage imageNamed:@"run1.tiff"],

                     [UIImage imageNamed:@"run2.tiff"],

                     [UIImage imageNamed:@"run3.tiff"],

                     [UIImage imageNamed:@"run4.tiff"],

                     [UIImage imageNamed:@"run5.tiff"],

                     [UIImage imageNamed:@"run6.tiff"],

                     nil];

    //设置动画数组

    imgView.animationImages = imgs;

    //设置动画时间

    imgView.animationDuration =1;

    [imgViewstartAnimating];

    //ios不支持jif格式的图片，要做动图效果，就要将有一帧，第二种解决方案使用第三方的类库

    

    /*UIEvent事件类，包括点击，晃动，远程监控事件

     事件的响应链

     接收事件--->application---->window----->ViewController----->View

     丢弃事件<---           <----      <----               <----

     怎样获取view所在的viewcontroller 通过响应链

     */

    

各种手势

 //轻拍手势

    UITapGestureRecognizer *tapGR = [[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(tap:)];

    tapGR.numberOfTapsRequired =1;

    [imgViewaddGestureRecognizer:tapGR];

    [tapGRrelease];

    

    //长按手势

    [imgViewremoveGestureRecognizer:tapGR];//在长按之前先将轻拍手势移除

    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizeralloc]initWithTarget:selfaction:@selector(longPress:)];

    [imgViewaddGestureRecognizer:longPress];

    [longPressrelease];

    

    //轻扫手势

    [imgViewremoveGestureRecognizer:longPress];

    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swipe:)];

    swipe.direction =UISwipeGestureRecognizerDirectionLeft | UISwipeGestureRecognizerDirectionDown | UISwipeGestureRecognizerDirectionRight ;

    [imgViewaddGestureRecognizer:swipe];

    [swiperelease];

    

    //旋转手势

    [imgViewremoveGestureRecognizer:swipe];

    UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizeralloc]initWithTarget:selfaction:@selector(rotation:)];

    [imgViewaddGestureRecognizer:rotation];

    [rotationrelease];

    

    //捏合手势

    UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizeralloc]initWithTarget:selfaction:@selector(pinch:)];

    [imgViewaddGestureRecognizer:pinch];

    [pinchrelease];

    

   //拖拽

    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizeralloc]initWithTarget:selfaction:@selector(pan:)];

    [imgViewaddGestureRecognizer:pan];

    [panrelease];

//长按

-(void)longPress:(UILongPressGestureRecognizer *)aLongPressGestureRecognizer

{

    //随机产生图片

   int rand = arc4random() %7 + 1;

    //    for (int i = 0 ; i < 20 ; i++ )

    //    {

    //        int rand = arc4random() % 7 + 1;

    //        NSLog(@"%d",rand);

    //    }

    

   NSString *imgName = [NSStringstringWithFormat:@"h%d.jpeg",rand];

   UIImage *img  = [UIImageimageNamed:imgName];

   imgView.image = img;

}

//轻扫

-(void)swipe:(UISwipeGestureRecognizer *)aSwipeGestureRecognizer

{

   int rand = arc4random() %7 + 1;

   NSString *imgName = [NSStringstringWithFormat:@"h%d.jpeg",rand];

   UIImage *img = [UIImageimageNamed:imgName];

   imgView.image = img;

    

}

//旋转

-(void)rotation:(UIRotationGestureRecognizer *)aRotationGestureRecognizer

{

    //旋转的角度 弧度制

   imgView.transform =CGAffineTransformRotate(imgView.transform,aRotationGestureRecognizer.rotation);

}

//捏合

-(void)pinch:(UIPinchGestureRecognizer *)aPinchGestureRecognizer

{

   imgView.transform =CGAffineTransformScale(imgView.transform,aPinchGestureRecognizer.scale, aPinchGestureRecognizer.scale);

}