在这种情况下，让我来帮助你，我为 Dropbox 创建了 Wrapper 类，在我的一个项目中使用下面的代码。它不支持 ARC。创建 DropBoxManager 头文件和实现文件 如果您是初学者，这可能对您来说太多了，但请尝试阅读整个答案并逐步进行操作。如果有任何问题，请告诉我，我会提供帮助。
DropBoxManager.h 的代码
#import <Foundation/Foundation.h>
#import <DropboxSDK/DropboxSDK.h>
#define kDropbox_AppKey @"" // Provide your key here
#define kDropbox_AppSecret @"" // Provide your secret key here
#define kDropbox_RootFolder kDBRootDropbox //Decide level access like root or app
@protocol DropBoxDelegate;
typedef enum
{
DropBoxTypeStatusNone = 0,
DropBoxGetAccountInfo = 1,
DropBoxGetFolderList = 2,
DropBoxCreateFolder = 3,
DropBoxUploadFile = 4
} DropBoxPostType;
@interface DropboxManager : NSObject <DBRestClientDelegate,DBSessionDelegate,UIAlertViewDelegate>
{
UIViewController<DropBoxDelegate> *apiCallDelegate;
DBSession *objDBSession;
NSString *relinkUserId;
DBRestClient *objRestClient;
DropBoxPostType currentPostType;
NSString *strFileName;
NSString *strFilePath;
NSString *strDestDirectory;
NSString *strFolderCreate;
NSString *strFolderToList;
}
@property (nonatomic,retain) DBSession *objDBSession;
@property (nonatomic,retain) NSString *relinkUserId;
@property (nonatomic,assign) UIViewController<DropBoxDelegate> *apiCallDelegate;
@property (nonatomic,retain) DBRestClient *objRestClient;
@property (nonatomic,assign) DropBoxPostType currentPostType;
@property (nonatomic,retain) NSString *strFileName;
@property (nonatomic,retain) NSString *strFilePath;
@property (nonatomic,retain) NSString *strDestDirectory;
@property (nonatomic,retain) NSString *strFolderCreate;
@property (nonatomic,retain) NSString *strFolderToList;
//Singleton
+(id)dropBoxManager;
//Initialize dropbox
-(void)initDropbox;
//Authentication Verification
-(BOOL)handledURL:(NSURL*)url;
-(void)dropboxDidLogin;
-(void)dropboxDidNotLogin;
//Upload file
-(void)uploadFile;
//Download File
-(void)downlaodFileFromSourcePath:(NSString*)pstrSourcePath destinationPath:(NSString*)toPath;
//Create Folder
-(void)createFolder;
//Get Account Information
-(void)loginToDropbox;
-(void)logoutFromDropbox;
-(BOOL)isLoggedIn;
//List Folders
-(void)listFolders;
@end
@protocol DropBoxDelegate <NSObject>
@optional
- (void)finishedLogin:(NSMutableDictionary*)userInfo;
- (void)failedToLogin:(NSString*)withMessage;
- (void)finishedCreateFolder;
- (void)failedToCreateFolder:(NSString*)withMessage;
- (void)finishedUploadFile;
- (void)failedToUploadFile:(NSString*)withMessage;
- (void)finishedDownloadFile;
- (void)failedToDownloadFile:(NSString*)withMessage;
- (void)getFolderContentFinished:(DBMetadata*)metadata;
- (void)getFolderContentFailed:(NSString*)withMessage;
@end
DropBoxManager.m 的代码
#import "DropboxManager.h"
@implementation DropboxManager
@synthesize objDBSession,relinkUserId,apiCallDelegate;
@synthesize objRestClient;
@synthesize currentPostType;
@synthesize strFileName;
@synthesize strFilePath;
@synthesize strDestDirectory;
@synthesize strFolderCreate;
@synthesize strFolderToList;
static DropboxManager *singletonManager = nil;
+(id)dropBoxManager
{
if(!singletonManager)
singletonManager = [[DropboxManager alloc] init];
return singletonManager;
}
-(void)initDropbox
{
DBSession* session = [[DBSession alloc] initWithAppKey:kDropbox_AppKey appSecret:kDropbox_AppSecret root:kDropbox_RootFolder];
session.delegate = self;
[DBSession setSharedSession:session];
[session release];
if([[DBSession sharedSession] isLinked] && objRestClient == nil)
{
self.objRestClient = [[DBRestClient alloc] initWithSession:[DBSession sharedSession]];
self.objRestClient.delegate = self;
}
}
-(void)checkForLink
{
if(![[DBSession sharedSession] isLinked])
[[DBSession sharedSession] linkFromController:apiCallDelegate];
}
-(BOOL)handledURL:(NSURL*)url
{
BOOL isLinked=NO;
if ([[DBSession sharedSession] handleOpenURL:url])
{
if([[DBSession sharedSession] isLinked])
{
isLinked=YES;
[self dropboxDidLogin];
}
else
{
isLinked = NO;
[self dropboxDidNotLogin];
}
}
return isLinked;
}
#pragma mark -
#pragma mark Handle login
-(void)dropboxDidLogin
{
NSLog(@"Logged in");
if([[DBSession sharedSession] isLinked] && self.objRestClient == nil)
{
self.objRestClient = [[DBRestClient alloc] initWithSession:[DBSession sharedSession]];
self.objRestClient.delegate = self;
}
switch(currentPostType)
{
case DropBoxTypeStatusNone:
break;
case DropBoxGetAccountInfo:
[self loginToDropbox];
break;
case DropBoxGetFolderList:
[self listFolders];
break;
case DropBoxCreateFolder:
[self createFolder];
break;
case DropBoxUploadFile:
[self uploadFile];
break;
}
//[(MainViewController*)apiCallDelegate setLoginStatus];
}
-(void)dropboxDidNotLogin
{
NSLog(@"Not Logged in");
switch(currentPostType)
{
case DropBoxTypeStatusNone:
break;
case DropBoxUploadFile:
if([self.apiCallDelegate respondsToSelector:@selector(failedToUploadFile:)])
[self.apiCallDelegate failedToUploadFile:@"Problem connecting dropbox. Please try again later."];
break;
case DropBoxGetFolderList:
break;
case DropBoxCreateFolder:
break;
case DropBoxGetAccountInfo:
break;
}
}
#pragma mark -
#pragma mark DBSessionDelegate methods
- (void)sessionDidReceiveAuthorizationFailure:(DBSession*)session userId:(NSString *)userId
{
relinkUserId = [userId retain];
[[[[UIAlertView alloc] initWithTitle:@"Dropbox Session Ended" message:@"Do you want to relink?" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"Relink", nil] autorelease] show];
}
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)index
{
if (index != alertView.cancelButtonIndex)
[[DBSession sharedSession] linkUserId:relinkUserId fromController:apiCallDelegate];
[relinkUserId release];
relinkUserId = nil;
}
#pragma mark -
#pragma mark Fileupload
-(void)uploadFile
{
if([[DBSession sharedSession] isLinked])
[self.objRestClient uploadFile:strFileName toPath:strDestDirectory withParentRev:nil fromPath:strFilePath];
else
[self checkForLink];
}
-(void)downlaodFileFromSourcePath:(NSString*)pstrSourcePath destinationPath:(NSString*)toPath
{
if([[DBSession sharedSession] isLinked])
[self.objRestClient loadFile:pstrSourcePath intoPath:toPath];
else
[self checkForLink];
}
- (void)restClient:(DBRestClient*)client uploadedFile:(NSString*)destPath from:(NSString*)srcPath metadata:(DBMetadata*)metadata
{
if([self.apiCallDelegate respondsToSelector:@selector(finishedUploadeFile)])
[self.apiCallDelegate finishedUploadFile];
NSLog(@"File uploaded successfully to path: %@", metadata.path);
}
- (void)restClient:(DBRestClient*)client loadedFile:(NSString*)destPath contentType:(NSString*)contentType
{
if([self.apiCallDelegate respondsToSelector:@selector(finishedDownloadFile)])
[self.apiCallDelegate finishedDownloadFile];
}
-(void)restClient:(DBRestClient *)client loadFileFailedWithError:(NSError *)error
{
if([self.apiCallDelegate respondsToSelector:@selector(failedToDownloadFile:)])
[self.apiCallDelegate failedToDownloadFile:[error description]];
}
- (void)restClient:(DBRestClient*)client uploadFileFailedWithError:(NSError*)error
{
if([self.apiCallDelegate respondsToSelector:@selector(failedToUploadFile:)])
[self.apiCallDelegate failedToUploadFile:[error description]];
NSLog(@"File upload failed with error - %@", error);
}
#pragma mark -
#pragma mark Create Folder
-(void)createFolder
{
if([[DBSession sharedSession] isLinked])
[self.objRestClient createFolder:strFolderCreate];
else
[self checkForLink];
}
- (void)restClient:(DBRestClient*)client createdFolder:(DBMetadata*)folder
{
if([self.apiCallDelegate respondsToSelector:@selector(finishedCreateFolder)])
[self.apiCallDelegate finishedCreateFolder];
NSLog(@"Folder created successfully to path: %@", folder.path);
}
- (void)restClient:(DBRestClient*)client createFolderFailedWithError:(NSError*)error
{
if([self.apiCallDelegate respondsToSelector:@selector(failedToCreateFolder:)])
[self.apiCallDelegate failedToCreateFolder:[error description]];
NSLog(@"Folder create failed with error - %@", error);
}
#pragma mark -
#pragma mark Load account information
-(void)loginToDropbox
{
if([[DBSession sharedSession] isLinked])
[self.objRestClient loadAccountInfo];
else
[self checkForLink];
}
- (void)restClient:(DBRestClient*)client loadedAccountInfo:(DBAccountInfo*)info
{
if([self.apiCallDelegate respondsToSelector:@selector(finishedLogin:)])
{
NSMutableDictionary *userInfo = [[[NSMutableDictionary alloc] init] autorelease];
[userInfo setObject:info.displayName forKey:@"UserName"];
[userInfo setObject:info.userId forKey:@"UserID"];
[userInfo setObject:info.referralLink forKey:@"RefferelLink"];
[self.apiCallDelegate finishedLogin:userInfo];
}
NSLog(@"Got Information: %@", info.displayName);
}
- (void)restClient:(DBRestClient*)client loadAccountInfoFailedWithError:(NSError*)error
{
if([self.apiCallDelegate respondsToSelector:@selector(failedToLogin:)])
[self.apiCallDelegate failedToLogin:[error description]];
NSLog(@"Failed to get account information with error - %@", error);
}
#pragma mark -
#pragma mark Logout
-(void)logoutFromDropbox
{
[[DBSession sharedSession] unlinkAll];
[self.objRestClient release];
}
#pragma mark -
#pragma mark Check for login
-(BOOL)isLoggedIn
{
return [[DBSession sharedSession] isLinked] ? YES : NO;
}
#pragma mark -
#pragma mark Load Folder list
-(void)listFolders
{
NSLog(@"Here-->%@",self.strFolderToList);
if([[DBSession sharedSession] isLinked])
[self.objRestClient loadMetadata:self.strFolderToList];
else
[self checkForLink];
}
- (void)restClient:(DBRestClient*)client loadedMetadata:(DBMetadata*)metadata
{
if (metadata.isDirectory)
{
NSLog(@"Folder '%@' contains:", metadata.contents);
for (DBMetadata *file in metadata.contents)
{
NSLog(@"\t%@", file);
}
if([apiCallDelegate respondsToSelector:@selector(getFolderContentFinished:)])
[apiCallDelegate getFolderContentFinished:metadata];
}
NSLog(@"Folder list success: %@", metadata.path);
}
- (void)restClient:(DBRestClient*)client metadataUnchangedAtPath:(NSString*)path
{
}
- (void)restClient:(DBRestClient*)client loadMetadataFailedWithError:(NSError*)error
{
NSLog(@"Load meta data failed with error - %@", error);
if([apiCallDelegate respondsToSelector:@selector(getFolderContentFailed:)])
[apiCallDelegate getFolderContentFailed:[error localizedDescription]];
}
例如使用头文件
//Your view controller Header file.
#import <UIKit/UIKit.h>
#import "DropboxManager.h"
@interface YourViewController : UIViewController <DropBoxDelegate>
{
DropboxManager *objManager;
}
@property (nonatomic,assign) DropboxManager *objManager;
-(IBAction)btnUploadFileTapped:(id)sender;
@end
例如使用实现文件
#import "YourViewController.h"
@implementation YourViewController
@synthesize objManager;
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
[super viewDidLoad];
objManager = [DropboxManager dropBoxManager];
objManager.apiCallDelegate =self;
[objManager initDropbox];
}
-(IBAction)btnUploadFileTapped:(id)sender
{
objManager.currentPostType = DropBoxUploadFile;
objManager.strFileName = @"YourFileName";
objManager.strFilePath = @"YourFilePath";
objManager.strDestDirectory = @"/";
[objManager uploadFile];
}
#pragma mark -
#pragma mark File upload delegate
- (void)finishedUploadFile
{
NSLog(@"Uploaded successfully.");
}
- (void)failedToUploadFile:(NSString*)withMessage
{
NSLog(@"Failed to upload error is %@",withMessage);
}
@end