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Forum Discussion
Help migrating from v1 to v2 Objective C
Hello,
I am not very familiar with Dropbox API, though I got version 1 working just fine on my app. But I am not really following the path from V1 to V2 all that well.
I am attempting to...
Greg-DB
Dropbox Staff
Dropbox StaffDid you follow all of the instructions for setting up the app authorization flow?
https://github.com/dropbox/dropbox-sdk-obj-c#handling-the-authorization-flow
If so, what error(s) are you getting?
A few notes from what you shared so far though:
- In API v2, the Dropbox root folder is identified by the empty string "", not "/".
- The getMetadata method doesn't supported the root folder. In API v2, you should use listFolder[Continue] to list the contents of folders.
- You can use reauthorizeClient to retrieve a previously authorized client.
From what I can tell - yes....
This is the exception being thrown.
2017-01-03 13:59:38.192 ServiceReport[14621:705002] -canOpenURL: failed for URL: "dbapi-8-emm://1/connect" - error: "The operation couldn’t be completed. (OSStatus error -10814.)"
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //Set up dropbox link [DropboxClientsManager setupWithAppKey:@"mykey"]; return YES; }- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options { DBOAuthResult *authResult = [DropboxClientsManager handleRedirectURL:url]; if (authResult != nil) { if ([authResult isSuccess]) { NSLog(@"Success! User is logged into Dropbox."); } else if ([authResult isCancel]) { NSLog(@"Authorization flow was manually canceled by user!"); } else if ([authResult isError]) { NSLog(@"Error: %@", authResult); } } return NO; }I get the window to log in and get success but then it doesn't remember it next time I launch.
My baisc use case is pretty simple
1) Check to see if I am linked to dropbox.
2) Check to see if 3 specific files exsit (if not I assume no backup was done)
3) Provide an option to link to DB
4) Provide an option to perform a back up - this just copies three files up
5) Provide an option to restore from a backup - this just copies the three files down.
It was pretty straight forward before, but I am getting lost in the translation to the new API.
- Greg-DB
The canOpenURL error would just indicate that the application being looked for (i.e., the official Dropbox app in this case) isn't found. That's expected on the simulator, or on a device without the official device installed. This error is safe to ignore, as the SDK will fall back to using the browser.
Can you share the steps to reproduce, code, and output/error for the isue with it not remembering the user?
Thanks - that makes sense. I was trying to scale back my dropbox controller to post - which I will if I can make sense of it.
Here is the basics of what I have:
- (void)viewDidLoad{ [super viewDidLoad]; } - (void) viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Do any additional setup after loading the view. // Reference after programmatic auth flow self.restClient = [DropboxClientsManager authorizedClient]; if (!networkLost) { [self checkForBackups]; } } - (void) checkForBackups { //Determine if backup exists if(self.restClient != nil ) { _loadingView = [LoadingView loadingViewInView:[self.view.window.subviews objectAtIndex:0] withMessage:@"Checking for existing backup...."]; [[self.restClient.filesRoutes getMetadata:@""]response:^(DBFILESMetadata * _Nullable result, DBFILESGetMetadataError * _Nullable routeError, DBRequestError * _Nullable error) { if(result != nil){ if ([result isKindOfClass:[DBFILESFolderMetadata class]]){ //NewObj* pNew = (NewObj*)oldObj; DBFILESFolderMetadata * meta = (DBFILESFolderMetadata *)result; files = [[NSMutableArray alloc]init]; } [_loadingView removeView]; //check to see if there is a backup to restore /* for (DBMetadata *file in files) { if([file.path isEqualToString:@"/ServiceReport.sqlite"]){ hasSQLBackup = YES; } if([file.path isEqualToString:@"/ServiceReport.sqlite-shm"]){ hasSHMBackup = YES; } if([file.path isEqualToString:@"/ServiceReport.sqlite-wal"]){ hasWALBackup = YES; } } */ } }]; } }This call seems to crash the app - but I get no error. Then when I run it again, it wants to link the account again.
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