SDimage

//

// MainViewController.m

// SDText

//

// Created by lanou on 15/10/14.

// Copyright (c) 2015年

蓝鸥科技. All rights reserved.

//

#import

"MainViewController.h"

#import
"UIImageView+WebCache.h"

@interface

MainViewController
()

@property

(weak,

nonatomic)

IBOutlet
UIImageView
*imageView;

@property

(weak,

nonatomic)

IBOutlet
UIButton
*downloadButton;

@property

(weak,

nonatomic)

IBOutlet
UIButton
*clearButton;

@property

(weak,

nonatomic)

IBOutlet
UIButton
*reloadButton;

@property

(weak,

nonatomic)

IBOutlet
UIView
*testView;

@end

@implementation

MainViewController

- (void)viewDidLoad {

[super

viewDidLoad];

// Do any additional setup after loading the view.

NSString
*sandBoxPath =
NSHomeDirectory();

NSLog(@"\n%@",sandBoxPath);

}

- (IBAction)handleDownloadButtonAction:(UIButton

*)sender {

NSURL
*imageURL = [NSURL

URLWithString:IMAGE_URL];

UIImage
*placeholderImage = [UIImage

imageNamed:@"image"];

//1.通过URL设置图片

// [self.imageView sd_setImageWithURL:imageURL];

//2.图片设置完成后,执行Block函数中的的代码块

// [self.imageView sd_setImageWithURL:imageURL completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {

// self.downloadButton.backgroundColor = [UIColor orangeColor];

// }];

// //3.图片加载完成之前设置一个默认显示图片

// [self.imageView sd_setImageWithURL:imageURL placeholderImage:placeholderImage];

// 4.图片加载完成显示默认图,完成后执行执行Block函数中的的代码块

// [self.imageView sd_setImageWithURL:imageURL placeholderImage:placeholderImage completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL
*imageURL) {

// self.downloadButton.backgroundColor = [UIColor orangeColor];

// }];

//5.设置图片的加载方式

// [self.imageView sd_setImageWithURL:imageURL placeholderImage:placeholderImage options:SDWebImageProgressiveDownload];

/*

//失败后重试

SDWebImageRetryFailed = 1 << 0,

//UI交互期间开始下载，导致延迟下载比如UIScrollView减速。

SDWebImageLowPriority = 1 << 1,

//只进行内存缓存

SDWebImageCacheMemoryOnly = 1 << 2,

//这个标志可以渐进式下载,显示的图像是逐步在下载

SDWebImageProgressiveDownload = 1 << 3,

//刷新缓存

SDWebImageRefreshCached = 1 << 4,

//后台下载

SDWebImageContinueInBackground = 1 << 5,

//NSMutableURLRequest.HTTPShouldHandleCookies = YES;

SDWebImageHandleCookies = 1 << 6,

//允许使用无效的SSL证书

//SDWebImageAllowInvalidSSLCertificates = 1 << 7,

//优先下载

SDWebImageHighPriority = 1 << 8,

//延迟占位符

SDWebImageDelayPlaceholder = 1 << 9,

//改变动画形象

SDWebImageTransformAnimatedImage = 1 << 10,

*/

}

- (IBAction)handleClearButtonAction:(UIButton

*)sender {

self.imageView.image

=
nil;

SDImageCache
*imageCache = [SDImageCache

sharedImageCache];

[imageCache
clearMemory];

[imageCache
clearDisk];

}

- (IBAction)handleReloadButtonAction:(UIButton

*)sender {

self.imageView.image

= [UIImage

imageNamed:@"image"];

[self

handleDownloadButtonAction:self.downloadButton];

}

- (IBAction)handleExecuteButtonAction:(UIButton

*)sender {

SDWebImageManager
*manager = [SDWebImageManager

sharedManager];

[manager
downloadImageWithURL:[NSURL

URLWithString:IMAGE_URL]

options:SDWebImageRetryFailed

progress:^(NSInteger

receivedSize,
NSInteger
expectedSize) {

[UIView

animateWithDuration:1

animations:^{

self.testView.frame

=
CGRectMake(7,

28,

359,

49);

}];

}
completed:^(UIImage

*image,
NSError
*error,
SDImageCacheType
cacheType,
BOOL
finished,
NSURL
*imageURL) {

self.imageView.image

= image;

}];

}

- (void)didReceiveMemoryWarning {

[super

didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

/*

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

// Get the new view controller using [segue destinationViewController].

// Pass the selected object to the new view controller.

}

*/

@end