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iOS开发之检查更新

日期：2017-05-09点击：570收藏

iOS设备检查更新版本：

     #pragma mark - 检查更新 
 - ( void )checkUpdateWithAPPID:( NSString  *)APPID 
 { 
      //获取当前应用版本号 
      NSDictionary  *appInfo = [[ NSBundle  mainBundle] infoDictionary];    
      NSString  *currentVersion = [appInfo objectForKey:@ "CFBundleVersion" ]; 
       
      NSString  *updateUrlString = [ NSString  stringWithFormat:@ "http://itunes.apple.com/lookup?id=%@" ,APPID]; 
      NSURL  *updateUrl = [ NSURL  URLWithString:updateUrlString]; 
      versionRequest = [ASIFormDataRequest requestWithURL:updateUrl]; 
      [versionRequest setRequestMethod:@ "GET" ]; 
      [versionRequest setTimeOutSeconds:60]; 
      [versionRequest addRequestHeader:@ "Content-Type"  value:@ "application/json" ]; 
       
      //loading view 
      CustomAlertView *checkingAlertView = [[CustomAlertView alloc] initWithFrame:NAVIGATION_FRAME style:CustomAlertViewStyleDefault noticeText:@ "正在检查更新..." ]; 
      checkingAlertView.userInteractionEnabled =  YES ; 
      [ self .navigationController.view addSubview:checkingAlertView]; 
      [checkingAlertView release]; 
       
      [versionRequest setCompletionBlock:^{ 
           
          [checkingAlertView removeFromSuperview]; 
           
          NSError  *error =  nil ; 
          NSDictionary  *dict = [ NSJSONSerialization  JSONObjectWithData:[versionRequest responseData] options: NSJSONReadingMutableContainers  error:&error]; 
          if  (!error) { 
              if  (dict !=  nil ) { 
                  //            DLog(@"dict %@",dict); 
                  int  resultCount = [[dict objectForKey:@ "resultCount" ] integerValue]; 
                  if  (resultCount == 1) { 
                      NSArray  *resultArray = [dict objectForKey:@ "results" ]; 
                      //                DLog(@"version %@",[resultArray objectAtIndex:0]); 
                      NSDictionary  *resultDict = [resultArray objectAtIndex:0]; 
                      //                DLog(@"version is %@",[resultDict objectForKey:@"version"]); 
                      NSString  *newVersion = [resultDict objectForKey:@ "version" ]; 
                       
                      if  ([newVersion doubleValue] > [currentVersion doubleValue]) { 
                          NSString  *msg = [ NSString  stringWithFormat:@ "最新版本为%@,是否更新？" ,newVersion]; 
                          newVersionURlString = [[resultDict objectForKey:@ "trackViewUrl" ]  copy ]; 
                          DLog(@ "newVersionUrl is %@" ,newVersionURlString); 
                          //                    if ([newVersionURlString hasPrefix:@"https"]) { 
                          //                         [newVersionURlString replaceCharactersInRange:NSMakeRange(0, 5) withString:@"itms-apps"]; 
                          //                    } 
                          UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@ "提示"  message:msg delegate: self  cancelButtonTitle:@ "暂不"  otherButtonTitles:@ "立即更新" ,  nil ]; 
                          alertView.tag = 1000; 
                          [alertView show]; 
                          [alertView release]; 
                      } else 
                      { 
                          UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@ "提示"  message:@ "您使用的是最新版本！"  delegate: self  cancelButtonTitle: nil  otherButtonTitles:@ "确定" ,  nil ]; 
                          alertView.tag = 1001; 
                          [alertView show]; 
                          [alertView release]; 
                      } 
                  } 
              } 
          } else 
          { 
              DLog( "error is %@" ,[error debugDescription]); 
          } 
      }]; 
       
      [versionRequest setFailedBlock:^{ 
          [checkingAlertView removeFromSuperview]; 
           
          CustomAlertView *alertView = [[CustomAlertView alloc] initWithFrame:NAVIGATION_FRAME style:CustomAlertViewStyleWarning noticeText:@ "操作失败，请稍候再试！" ]; 
          [ self .navigationController.view addSubview:alertView]; 
          [alertView release]; 
          [alertView selfRemoveFromSuperviewAfterSeconds:1.0]; 
      }]; 
       
      [versionRequest startSynchronous];  
 } 
   
 - ( void )alertView:(UIAlertView *)alertView clickedButtonAtIndex:( NSInteger )buttonIndex 
 { 
      DLog(@ "newVersionUrl  is %@" ,newVersionURlString); 
      if  (buttonIndex) { 
          if  (alertView.tag == 1000) { 
              if (newVersionURlString) 
              { 
                  [[UIApplication sharedApplication] openURL:[ NSURL  URLWithString:newVersionURlString]]; 
              } 
          } 
      } 
 } 
 
  