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仿window阿里旺旺登陆界面,打印机吐纸动画效果-b

时间:2016-08-10 00:33:11      阅读:260      评论:0      收藏:0      [点我收藏+]

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偶然的机会发现window的阿里旺旺的登陆效果蛮有意思的,于是就模仿着做了一下打印机吐纸的动画效果
看起来很神奇的东西,实现起来却不难,下面我给大家看下主要的源码。

- (void)createUI{    UIImageView *backimageView=[[UIImageView alloc]init];     
    backimageView.image =[UIImage imageNamed:@"1.png"];     
    backimageView.frame = CGRectMake(50, 100, LBSCREEN_WIDTH-100, 30);     
    [self.view addSubview:backimageView];     
    backView = [[UIView alloc]initWithFrame:CGRectMake(60, 115, LBSCREEN_WIDTH-120, 0)];     
    backView.layer.cornerRadius = 5;     
    backView.backgroundColor = [UIColor whiteColor];     
    backView.layer.borderWidth = 1;     
    backView.layer.borderColor = [UIColor blackColor].CGColor;     
    backView.clipsToBounds = YES;     
    [self.view addSubview:backView];     
    login_btn = [UIButton buttonWithType:UIButtonTypeCustom];     
    login_btn.frame = CGRectMake(10, 120, LBSCREEN_WIDTH-140, 35);     
    [login_btn setTitle:@"登陆" forState:UIControlStateNormal];     
    login_btn.backgroundColor = [UIColor lightGrayColor];     
    login_btn.layer.cornerRadius = 5;     
    login_btn.layer.borderWidth = 1;     
    login_btn.layer.borderColor = [UIColor lightGrayColor].CGColor;     
    [login_btn addTarget:self action:@selector(passwordClick:) forControlEvents:UIControlEventTouchUpInside];     
    login_btn.clipsToBounds = YES;     
    pass_btn = [UIButton buttonWithType:UIButtonTypeCustom];     
    pass_btn.frame = CGRectMake(10, 165, LBSCREEN_WIDTH-140, 35);     
    [pass_btn setTitle:@"注册" forState:UIControlStateNormal];     
    pass_btn.backgroundColor = [UIColor redColor];     
    [pass_btn addTarget:self action:@selector(passwordClick:) forControlEvents:UIControlEventTouchUpInside];     
    pass_btn.layer.cornerRadius = 5;     
    pass_btn.layer.borderWidth = 1;     
    pass_btn.layer.borderColor = [UIColor lightGrayColor].CGColor;     
    pass_btn.clipsToBounds = YES;     
    Name_textfield = [[UITextField alloc]initWithFrame:CGRectMake(10, 20, LBSCREEN_WIDTH-140, 40)];     
    Name_textfield.placeholder = @"帐号";     
    Name_textfield.borderStyle = UITextBorderStyleRoundedRect;     
    Pass_textfield = [[UITextField alloc]initWithFrame:CGRectMake(10, 70, LBSCREEN_WIDTH-140, 40)];     
    Pass_textfield.borderStyle = UITextBorderStyleRoundedRect;     
    Pass_textfield.placeholder = @"密码";    //2秒后开始一个持续一分钟的动画     
    [UIView animateWithDuration:1 delay:2 options:UIViewAnimationOptionBeginFromCurrentState animations:^{         
        backView.frame=CGRectMake(60, 115, LBSCREEN_WIDTH-120, 210);     
    } completion:^(BOOL finished) {          [backView addSubview:Name_textfield];         
          dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{             
            [backView addSubview:Pass_textfield];             
                dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{                 
                  [backView addSubview:login_btn];                 
                  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{                     
                    [backView addSubview:pass_btn];                 
                   });             
            });         
        });
     }];
 }
 - (void)passwordClick:(UIButton *)sender{
     NSLog(@"hhhhh...."); 
 }

不难看懂吧?主要就用到了一个改变frame的动画,x轴和y轴以及宽不变,改变它的高
下面晒下效果图

技术分享

(http://allluckly.cn)

源码下载的地址

下载地址:https://github.com/AllLuckly/LBPrinterPaper

仿window阿里旺旺登陆界面,打印机吐纸动画效果-b

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原文地址:http://www.cnblogs.com/isItOk/p/5755027.html

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