#import "ViewController.h"
@interface ViewController ()
{
UITextField *tf;
UIImageView *myview;
}
@end
@implementation ViewController
- (void)viewDidLoad {
self.view.backgroundColor=[UIColor cyanColor];
//添加图片,myimage设成全局变量
UIImage *image=[UIImage imageNamed:@"liu.jpg"];
myview=[[UIImageView alloc]initWithImage:image];
myview.frame=self.view.frame;
myview.contentMode=UIViewContentModeScaleAspectFit;//图片的填充方式
[self.view addSubview:myview];
//添加点记的手势
UITapGestureRecognizer *tagGR=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(close:)];
//添加一个捏合的手势
UIPinchGestureRecognizer *pinchGR=[[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchGR:)];
[self.view addGestureRecognizer:pinchGR];
//一个旋转的手势
UIRotationGestureRecognizer *Rgr=[[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotation:)];
[self.view addGestureRecognizer:Rgr];
//一个拖动的手势
UIPanGestureRecognizer *Pgr=[[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(pantion:)];
//默认的静态图片，不支持拖动
myview.userInteractionEnabled=YES;//加上即可支持
[myview addGestureRecognizer:Pgr];
tagGR.numberOfTapsRequired=1;//属性：一个手指头，键盘消失。属性：点击两次键盘消失
[self.view addGestureRecognizer:tagGR];
tf=[[UITextField alloc]initWithFrame:CGRectMake(90, 50, 100, 100)];
tf.backgroundColor=[UIColor yellowColor];
[tf.layer setMasksToBounds:YES];
[tf.layer setCornerRadius:50.0];
[tf.layer setBorderWidth:1.0];
tf.placeholder=@"输入";
[self.view addSubview:tf];
//清扫的手势
UISwipeGestureRecognizer *swip=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swip:)];
swip.direction=UISwipeGestureRecognizerDirectionRight|UISwipeGestureRecognizerDirectionLeft;
[myview addGestureRecognizer:swip];
//常按手势
UILongPressGestureRecognizer *lon=[[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longg:)];
[myview addGestureRecognizer:lon];
tf.delegate=self;//收键盘
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
[tf resignFirstResponder];//收键盘
return YES;
}
-(void)longg:(UILongPressGestureRecognizer *)l
{
NSLog(@"nihao");//长按
}
-(void)swip:(UISwipeGestureRecognizer *)swipGR
{//清扫的手势，按住，往右扫一下,像翻页一样
//UISwipeGestureRecognizer
}
-(void)pantion:(UIPanGestureRecognizer *)pan
{
CGPoint dpoint=[pan translationInView:myview];
myview.transform=CGAffineTransformTranslate(myview.transform, dpoint.x, dpoint.y);//拖动手势
[pan setTranslation:CGPointZero inView:myview];//使拖动不用那么灵敏
}
-(void)rotation:(UIRotationGestureRecognizer *)rgr
{
myview.transform=CGAffineTransformRotate(myview.transform,rgr.rotation);
rgr.rotation=0;//旋转在每次应该在上次的基础上，旋转手势
}
-(void)pinchGR:(UIPinchGestureRecognizer *)pinchGRR
{
myview.transform=CGAffineTransformScale(myview.transform,pinchGRR.scale, pinchGRR.scale);//点击手势
pinchGRR.scale=1;//加一的原因是：
// NSLog(@"%f",pinchGRR.scale);//比例
NSLog(@"%@",NSStringFromCGRect(myview.bounds));//不变。frame变了
}
-(void)close:(UITapGestureRecognizer *)tapGR
{
CGPoint location=[tapGR locationInView:self.view];
NSLog(@"你点击的位置：%@",NSStringFromCGPoint(location));
[tf resignFirstResponder];
}
//-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
// [tf resignFirstResponder];
//}//点空白处手键盘
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end