lol盒子重点内容

//AFN函数 — imageview载入网络图片而且获取图片,获取之后存储到手机

  [image setImageWithURLRequest :[ NSURLRequest requestWithURL :[ NSURL URLWithString :[ NSString stringWithFormat : @"%@" ,skin. bigImg ]] ] placeholderImage : nil success :^( NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image) {

        UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);

- ( void )image:( UIImage *)image didFinishSavingWithError:( NSError *)error contextInfo:( void *)contextInfo
{
    if (error) {
        [ self showToastWithText : @" 不同意保存 " ];
    } else {
        [ self showToastWithText : @" 保存成功 " ];
    }

}

_player = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:file] error:nil];
//            NSLog(@"%@",[NSURL fileURLWithPath:file]);
//            [_player play];
//audioplayer第三方类库播放文件
            AudioPlayer *player = [ AudioPlayer sharePlayer ];

            [player playWithDataSourceType:DataSourceTypeLocal withURLString:file];

    //下载文件
            NSString *string = [ NSString stringWithFormat : HERO_SOUND_DESC_URL ,pathName,fileName];
            NSURL *url = [ NSURL URLWithString :[string stringByAddingPercentEscapesUsingEncoding : NSUTF8StringEncoding ]];
            NSURLRequest *request = [ NSURLRequest requestWithURL :url];
           
            AFHTTPRequestOperation *operation = [[ AFHTTPRequestOperation alloc ] initWithRequest :request];
            operation. inputStream = [ NSInputStream inputStreamWithURL :url];
            operation. outputStream = [ NSOutputStream outputStreamToFileAtPath :file append : NO ];
            [operation setCompletionBlockWithSuccess :^( AFHTTPRequestOperation *operation, id responseObject) {
                NSLog ( @" 下载成功 " );
                [ _tableview reloadData ];
            } failure :^( AFHTTPRequestOperation *operation, NSError *error) {
                NSLog ( @" 下载失败 " );
            }];

            [operation start];

//在停止滑动的时候将scrollview的缩放变为1倍

-( void )scrollViewDidEndDecelerating:( UIScrollView *)scrollView
{

    _pageIndex = scrollView.contentOffset.x/SCREEN_WIDTH;

   
    for ( UIScrollView *scrollview in scrollView. subviews )
    {
        if ([scrollview isKindOfClass :[ UIScrollView class ]]) {

            [scrollview setZoomScale:1.0];

        }
    }
    HeroSkin *skin = [ _heroskin objectAtIndex : _pageIndex ];
    _namelabel . text = skin. name ;
    _pricelabel . text = skin. price ;
    _pagelabel . text = [ NSString stringWithFormat : @"%ld of %lu" , _pageIndex + 1 ,( unsigned long ) _heroskin . count ];
    NSLog ( @"%ld" ,( long ) _pageIndex );

}

//图片摇动
-( void )ImageShake
{
    CABasicAnimation *basic = [ CABasicAnimation animationWithKeyPath : @"transform.rotation.z" ];
    basic. fromValue = [ NSNumber numberWithFloat :- M_PI / 16 ];
    basic. toValue = [ NSNumber numberWithFloat : M_PI / 16 ];
    basic. duration = 0.1 ;
    basic. repeatCount = 3 ;

    [imageview.layer addAnimation:basic forKey:@"animateLayer"];

//震动一次

    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);

}

//检測motion
-( void )motionEnded:( UIEventSubtype )motion withEvent:( UIEvent *)event
{
    if (motion == UIEventSubtypeMotionShake ) {
        [ self ImageShake ];
        [ player play ];
    }

}

//计算string字符串的frame大小
-( CGSize )getStringRect:( NSString *)str
{
    if (str. length < 1 ) {
        return CGSizeMake ( 0 , 0 );
    }
    CGSize size;
    NSAttributedString *string = [[ NSAttributedString alloc ] initWithString :str];
    //    NSDictionary *attribute= @{NSFontAttributeName:@12};
    size = [string boundingRectWithSize : CGSizeMake ( 280 , 500 ) options : NSStringDrawingTruncatesLastVisibleLine |
            NSStringDrawingUsesLineFragmentOrigin |
            NSStringDrawingUsesFontLeading context : nil ]. size ;
    return size;

}

-( CGFloat )caculateLabelHeightWith:( float )fontsize String:( NSString *)str
{
    UIFont *font = [ UIFont systemFontOfSize :fontsize];
    CGSize size = CGSizeMake ( 300 , 700 );
    CGSize descriptionSize = [str sizeWithFont :font constrainedToSize :size lineBreakMode : NSLineBreakByWordWrapping ];
    return descriptionSize. height ;

}