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最新推荐文章于 2024-08-21 02:02:52 发布

macwcj

最新推荐文章于 2024-08-21 02:02:52 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/macwcj/article/details/46369133

本文详细介绍了如何使用Objective-C进行iOS应用开发，包括框架选择、开发流程、代码优化等关键步骤。

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#import "RootViewController.h"
#import "RootView.h"
@interface RootViewController ()
@property (nonatomic, retain) RootView *rootView;
@end

@implementation RootViewController

- (void)loadView
{
    self.rootView = [[RootView alloc] initWithFrame:[UIScreen mainScreen].bounds];
    self.view = _rootView;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)dealloc
{
    [_rootView release];
    [super dealloc];
}


@end

#import "RootView.h"
#import "TouchView.h"
@implementation RootView

- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        self.backgroundColor = [UIColor cyanColor];
        [self addAllViews];
    }
    return self;
}

- (void)addAllViews
{
    TouchView *touchView1 = [[TouchView alloc] initWithFrame:CGRectMake(100, 100, 200, 200)];
    touchView1.backgroundColor = [UIColor whiteColor];
    [self addSubview:touchView1];
    [touchView1 release];
    
}


- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

@end

#import "TouchView.h"

@interface TouchView ()

@property (nonatomic, assign) CGPoint startPoint;

@end

@implementation TouchView

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
    CGFloat X = self.frame.size.width;
    X -= 10;
    CGFloat Y = self.frame.size.height;
    Y -= 10;
    CGFloat XX = self.frame.origin.x;
    XX += 5;
    CGFloat YY = self.frame.origin.y;
    YY += 5;
    self.frame = CGRectMake(XX, YY, X, Y);
    

    
    UITouch *touch = [touches anyObject];
    _startPoint = [touch locationInView:self];
    
    
}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
    self.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:1.0];
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
    
    UITouch *touch = [touches anyObject];
    CGPoint currentPoint = [touch locationInView:self];
    CGFloat offsetX = currentPoint.x - _startPoint.x;
    CGFloat offsetY = currentPoint.y - _startPoint.y;
    CGPoint newcenter = self.center;
    newcenter.x += offsetX;
    newcenter.y += offsetY;
    self.center = newcenter;
    
    CGFloat X = self.frame.size.width;
    X += 10;
    CGFloat Y = self.frame.size.height;
    Y += 10;
    CGFloat XX = self.frame.origin.x;
    XX -= 5;
    CGFloat YY = self.frame.origin.y;
    YY -= 5;
    self.frame = CGRectMake(XX, YY, X, Y);

}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}

- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
    NSLog(@"%d  %s", __LINE__, __FUNCTION__);
}


@end