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update NSURLSession
1 parent 4148c80 commit 5abecbe

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Lines changed: 66 additions & 1 deletion

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‎NSURLSession1/NSURLSession1.xcodeproj/.xcodeSampleCode.plist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<!--
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.xcodeSampleCode.plist
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RegularExpression
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Created by ad on 25/12/2017.
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Copyright (c) 2017 ___ORGANIZATIONNAME___. All rights reserved.
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-->
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<plist version="1.0">
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<dict>
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</dict>
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</plist>

‎NSURLSession1/NSURLSession1.xcodeproj/project.pbxproj‎

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/* End PBXContainerItemProxy section */
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/* Begin PBXFileReference section */
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6016A8CA1FF93EEA006A1F16 /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
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609126F51E30E86600679292 /* NSURLSession1.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = NSURLSession1.app; sourceTree = BUILT_PRODUCTS_DIR; };
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609126F91E30E86600679292 /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
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609126FB1E30E86600679292 /* AppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
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609126EC1E30E86600679292 = {
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isa = PBXGroup;
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children = (
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6016A8CA1FF93EEA006A1F16 /* README.md */,
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609126F71E30E86600679292 /* NSURLSession1 */,
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609127111E30E86600679292 /* NSURLSession1Tests */,
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609126F61E30E86600679292 /* Products */,
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609127191E30E86600679292 /* Release */,
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);
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defaultConfigurationIsVisible = 0;
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defaultConfigurationName = Release;
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};
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6091271A1E30E86600679292 /* Build configuration list for PBXNativeTarget "NSURLSession1Tests" */ = {
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isa = XCConfigurationList;
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6091271C1E30E86600679292 /* Release */,
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);
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defaultConfigurationIsVisible = 0;
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defaultConfigurationName = Release;
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};
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/* End XCConfigurationList section */
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};

‎NSURLSession1/NSURLSession1.xcodeproj/project.xcworkspace/xcuserdata/ad.xcuserdatad/UserInterfaceState.xcuserstate‎

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‎NSURLSession1/NSURLSession1/Assets.xcassets/AppIcon.appiconset/Contents.json‎

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{
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"images" : [
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{
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"idiom" : "iphone",
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"size" : "20x20",
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"scale" : "2x"
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},
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{
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"idiom" : "iphone",
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"size" : "20x20",
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"scale" : "3x"
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},
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{
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"idiom" : "iphone",
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"size" : "29x29",
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"size" : "60x60",
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"scale" : "3x"
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},
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{
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"idiom" : "ipad",
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"size" : "20x20",
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"scale" : "1x"
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},
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{
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"idiom" : "ipad",
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"size" : "20x20",
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"scale" : "2x"
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},
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{
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"idiom" : "ipad",
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"size" : "29x29",
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"idiom" : "ipad",
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"size" : "76x76",
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"scale" : "2x"
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},
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{
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"idiom" : "ipad",
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"size" : "83.5x83.5",
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"scale" : "2x"
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},
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{
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"idiom" : "ios-marketing",
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"size" : "1024x1024",
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"scale" : "1x"
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}
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],
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"info" : {

‎NSURLSession1/NSURLSession1/ViewController.m‎

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[self.downloadTask resume];
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}
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- (void)dealloc {
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// 移除观察者。
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[self removeObserver:self forKeyPath:@"resumeData"];
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[self removeObserver:self forKeyPath:@"downloadTask"];
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}
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#pragma mark Getters & Setters
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- (NSURLSession *)session
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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self.resumeButton.hidden = (self.resumeData == nil);
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});
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} else if ([keyPath isEqualToString:@"downloadTask"])
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}
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else if ([keyPath isEqualToString:@"downloadTask"])
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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self.cancelButton.hidden = (self.downloadTask == nil);
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});
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}
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else
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// 如果遇到没有观察的属性，将其交由父类处理，父类可能也在观察该属性。
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[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
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}
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@end

‎NSURLSession1/README.md‎

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### NSURLSession的使用
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`NSURLSession`提供了一个可供通过网络下载内容的API，并且具有丰富的代理方法。在iOS中，`NSURLSession`支持在app未运行或挂起时进行后台下载。此外，`NSURLSession`原生的支持data、file、ftp、http和https URL方案，以及用户首选项中代理和socks网关。
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这篇文章通过下载、暂停、恢复下载图片来学习`NSURLSession`。详细介绍查看下面文章：
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<https://github.com/pro648/tips/wiki/NSURLSession的使用（一）>

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