ios8后台运行方案总结

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1、iOS8.0后台任务长期运行方案后台运行方案实现方式为：BackgroundRunner+NSURLSession1•配置GeneralCapabitiesInfoBuildSetti叩sBuildPhasesBuildRulesIn^AppPurchasePersonalVPN►MapsBackgroundModesELModes:QAudioandAirPlayLocationupdatesVoiceoverIPQNewsstanddownloadsExternalaccessorycommunicationUsesBluetoothLEaccessoriesActsasaBluetoo

2、thLEaccessoryQBackgroundfetchRemotenotificationsSteps:7Addthe•RequiredBackgroundModes*keytoyourinfoplistfileKeychainSharingIntor-AppAudioOFFAssociatedDomains»王AppGroupsHomcKitDataProtectionEH2•在AppDelegate中@property(assign,nonatomic)BOOLisBackground;//判读是否是后台运行-(void)applicationDidEnterBackground:(

3、UIApplication*)application[[BackgroundRunnershared]run];self.isBackground=yes;〃在回到界面后关闭后台运行-(void)applicationWillEnterForeground:(UIApplication*)application{[[BackgroundRunnershared]stop];self.isBackground=NO;}3.手机密码锁开启后的文件保护问题设置〃设置常量#defineUrlsessionDownload@M/com.apple.nsurlsessiond/Downloads/n#d

4、efineBundleldentifier[[NSBundlemainBundle]bundleldentifier]〃打开uisesion目录的文件保护设置为无〃创建可使用的urlseseion路径-(void)createUrlSession{NSString*theFMCachePath=nil;NSArray*pathes=NSSearchPathForDirectorieslnDomains(NSCachesDirectory,NSUserDomainMask,YES);theFMCachePath=[pathesobjectAtlndex:。];theFMCachePath=[t

5、heFMCachePathstringByAppendingString:UrlsessionDownload];theFMCachePath=[theFMCachePathstringByAppendingString:[NSStringstringWithFormat:@n%@/n3Bundleldentifier]];NSFileManager*fileManager=[NSFileManagerdefaultManager];if(![fileManagerisExecutableFileAtPath:theFMCachePath]){〃设置文件为无权限保护NSDictionary*

6、attributes=[NSDictionarydictionaryWithObject:NSFileProtectionNoneforKey:NSFileProtectionKey];[fileManagercreateDirectoryAtPath:theFMCachePathwithlntermediateDirectories:YESattributesattributeserror:nil];}}4.上传sessioin的代码,(UploadSessionBackgound.h,UploadSessionBackgound.m)//UploadSessionBackgounclh#

7、import(©protocolUploadSessionBackgoundDelegate-(void)requestUploadFinishDictionary:(NSDictionary*)dictionary;@end(©interfaceUploadSessionBackgound:NSObject