停駐模式+GIF,停駐模式gif
UIView *redView=[[UIView alloc]initWithFrame:CGRectMake(0,20,200,200)];
redView.backgroundColor=[UIColor redColor];
//允許子視圖放大或縮小 預設autoresizeSubviews的就為YES
redView.autoresizeSubview=YES;
redView.tag=100;
[self.window addSubview:redView];
UIView *yellowView=[[UIView alloc]initWithFrame:CGRectMake(0,0,100,100)];
//按照可縮放的高度進行放大或縮小
yellowView.autoresizingMask=UIViewAutoresizingFlexibleHeight|UIViewAutoresizingFlexbleWidth;
yellowView.backgroundColor=[UIColor yellowColor];
[redView addSubview:yellowView];
UIButton *btn=[UIButton buttonWithType:UIButtonTypeSystem];
[btn setTitle:@"放大" forState:UIControlStateNormal];
btn.frame=CGRectMake(100,300,100,30);
[self.window addSubview:btn];
[btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
-(void)btnClick:(UIButton *)bt
{
UIView *redView=[self.window viewWithTag:100];
redView.frame=CGRectMake(redView.frame.origin.x,redView.frame.origin.y,redView.frame.size.width+10,redView.frame.size.height+10);
}
//GIF 用第三方庫
(1)
//獲得圖片路徑
NSString *imgPath=[[NSBundle mainBundle]pathForResource:@"FlagZombie" ofType:@"gif"];
//通過指定路徑下的檔案初始化NSData
NSData *data=[[NSData alloc]initWithContentOfFile:imgPath];
UIImageView *imgView=[[UIImageView alloc]initWithFrame:CGRectMake(100,100,50,50)];
imgView.image=[UIImage animatedImageWithAnimatedGIFData:data];
[self.window addSubview:imgView];
(2)
NSURL *url=[[NSBundle mainBundle]URLForResource:@"FlagZombie" withExtension:@"gif"];
UIImageView *imgView=[[UIImageView alloc]initWithFrame:CGRectMake(200,100,80,80)];
//通過類別中的方法animatedImageWithAnimatedGIFURL實現Gif的圖片的播放
imgView.imge=[UIImage animatedImageWithAnimatedGIFURL:url];
imgView.tag=100;
[self.window addSubview:imgView];
//通過定時器實現每一段時間調用move方法
[NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(move) userInfo:nil repeats:YES];
-(void)move{
UIImageView *imgView=(UIImageView *)[self.window viewWithTag:100];
//當圖片的x座標大於80,沒調用move都使圖片向左側位移5個單位
if(imgView.frame.origin.x>80){
imgView.frame=CGRectMake(imgView.frame.origin.x-5,imgView.frame.origin.y,imgView.frame.size.width,imgView.frame.size.height);
}
}