iOS开发添加向上下左右四个方向的手势以及获取触摸点的坐标

#import "ViewController.h"

@interface ViewController ()

@property (nonatomic, strong, nullable) UISwipeGestureRecognizer *upGestureRecognizer;
@property (nonatomic, strong, nullable) UISwipeGestureRecognizer *downGestureRecognizer;
@property (nonatomic, strong, nullable) UISwipeGestureRecognizer *leftGestureRecognizer;
@property (nonatomic, strong, nullable) UISwipeGestureRecognizer *rightGestureRecognizer;

@property (nonatomic, assign) CGFloat coordinateX;

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];

self.view.backgroundColor = [UIColor colorWithRed:0.744 green:0.730 blue:1.000 alpha:1.000];

self.upGestureRecognizer = [[UISwipeGestureRecognizer alloc] init];
[self.upGestureRecognizer addTarget:self action:@selector(upGestureRecognizer:)];
self.upGestureRecognizer.direction = UISwipeGestureRecognizerDirectionUp;
[self.view addGestureRecognizer:self.upGestureRecognizer];

self.downGestureRecognizer = [[UISwipeGestureRecognizer alloc] init];
[self.downGestureRecognizer addTarget:self action:@selector(downGestureRecognizer:)];
self.downGestureRecognizer.direction = UISwipeGestureRecognizerDirectionDown;
[self.view addGestureRecognizer:self.downGestureRecognizer];

self.leftGestureRecognizer = [[UISwipeGestureRecognizer alloc] init];
[self.leftGestureRecognizer addTarget:self action:@selector(leftGestureRecognizer:)];
self.leftGestureRecognizer.direction = UISwipeGestureRecognizerDirectionLeft;
[self.view addGestureRecognizer:self.leftGestureRecognizer];

self.rightGestureRecognizer = [[UISwipeGestureRecognizer alloc] init];
[self.rightGestureRecognizer addTarget:self action:@selector(rightGestureRecognizer:)];
self.rightGestureRecognizer.direction = UISwipeGestureRecognizerDirectionRight;
[self.view addGestureRecognizer:self.rightGestureRecognizer];
}
- (void)upGestureRecognizer:(UISwipeGestureRecognizer *)gestureRecognizer {
NSLog(@"上");
}
- (void)downGestureRecognizer:(UISwipeGestureRecognizer *)gestureRecognizer {
NSLog(@"下");
}
- (void)leftGestureRecognizer:(UISwipeGestureRecognizer *)gestureRecognizer {
[UIView animateWithDuration:0.5 animations:^{
self.view.frame = CGRectMake(0, 0, 375, 667);
}];
}
- (void)rightGestureRecognizer:(UISwipeGestureRecognizer *)gestureRecognizer {
[UIView animateWithDuration:0.5 animations:^{
self.view.frame = CGRectMake(300, 0, 375, 667);
}];
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

[UIView animateWithDuration:0.5 animations:^{

self.view.frame = CGRectMake(0, 0, 375, 667);

}];

UITouch *touch = [touches anyObject];

CGPoint touchPoint = [touch locationInView:self.view];

NSLog(@"%f==%f",touchPoint.x,touchPoint.y);

self.coordinateX = touchPoint.x;

}
- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

UITouch *touch = [touches anyObject];

CGPoint touchPoint = [touch locationInView:self.view];

NSLog(@"%f==%f",touchPoint.x,touchPoint.y);

if (touchPoint.x > self.coordinateX) {

[UIView animateWithDuration:0.1 animations:^{

self.view.frame = CGRectMake(touchPoint.x - self.coordinateX, 0, 375, 667);

}];

}

}
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

UITouch *touch = [touches anyObject];

CGPoint touchPoint = [touch locationInView:self.view];

NSLog(@"%f==%f",touchPoint.x,touchPoint.y);

if (touchPoint.x > self.coordinateX) {

[UIView animateWithDuration:0.5 animations:^{

self.view.frame = CGRectMake(280, 0, 375, 667);

}];

}

}