在iPhone中使用Google API与OAuth 2.0进行gmail登录
我找到了Google提供的服务，可以访问各种Google服务的Google APIs 。 我可以在iPhone中设置一个项目，并为iOS应用程序（通过OAuth2.0 ）和本地应用程序创建API访问权限。 我想为我的iPhone应用程序使用本机API。 它的API给我的电子邮件，全名，名字，姓氏，google_id，性别，dob，profile_image。 如何在我的iPhone应用程序中使用这些应用程序，任何示例应用程序，可用的摘录？
请帮帮我。
这是我的代码：
-(void) loadGmail_Login
{
NSString *keychainItemName = nil;
if ([self shouldSaveInKeychain]) {
keychainItemName = kKeychainItemName;
}
// For GTM applications, the scope is available as
NSString *scope = @"http://www.google.com/m8/feeds/";
// ### Important ###
// GTMOAuthViewControllerTouch is not designed to be reused. Make a new
// one each time you are going to show it.
// Display the autentication view.
GTMOAuthAuthentication *auth;
auth = [GTMOAuthViewControllerTouch authForGoogleFromKeychainForName:kKeychainItemName];
GTMOAuthViewControllerTouch *viewController = [[[GTMOAuthViewControllerTouch alloc]
initWithScope:scope
language:nil
appServiceName:keychainItemName
delegate:self
finishedSelector:@selector(viewController:finishedWithAuth:error:)] autorelease];
// You can set the title of the navigationItem of the controller here, if you want.
// Optional: display some html briefly before the sign-in page loads
NSString *html = @"<html><body bgcolor=silver><div align=center>Loading sign-in page...</div></body></html>";
[viewController setInitialHTMLString:html];
[[self navigationController] pushViewController:viewController animated:YES];
}
- (void)viewController:(GTMOAuthViewControllerTouch *)viewController
finishedWithAuth:(GTMOAuthAuthentication *)auth
error:(NSError *)error
{
if (error != nil)
{
// Authentication failed (perhaps the user denied access, or closed the
// window before granting access)
NSLog(@"Authentication error: %@", error);
NSData *responseData = [[error userInfo] objectForKey:@"data"]; // kGTMHTTPFetcherStatusDataKey
if ([responseData length] > 0) {
// show the body of the server's authentication failure response
NSString *str = [[[NSString alloc] initWithData:responseData
encoding:NSUTF8StringEncoding] autorelease];
NSLog(@"%@", str);
}
[self setAuthentication:nil];
}
else
{
// save the authentication object
[self setAuthentication:auth];
// Just to prove we're signed in, we'll attempt an authenticated fetch for the
// signed-in user
[self doAnAuthenticatedAPIFetch];
}
}
- (void)doAnAuthenticatedAPIFetch
{
NSString *urlStr;
// Google Contacts feed
//
// https://www.googleapis.com/oauth2/v2/userinfo
urlStr = @"http://www.google.com/m8/feeds/contacts/default/thin";
NSURL *url = [NSURL URLWithString:urlStr];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[mAuth authorizeRequest:request];
NSError *error = nil;
NSURLResponse *response = nil;
NSData *data = [NSURLConnection sendSynchronousRequest:request
returningResponse:&response
error:&error];
if (data) {
// API fetch succeeded
NSString *str = [[[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding] autorelease];
NSLog(@"API response: %@", str);
GGCXml_Adaptor *localAlphabetXMLParser = [[GGCXml_Adaptor alloc] init];
[localAlphabetXMLParser processBooksXML:data];
[localAlphabetXMLParser release];
// [self updateUI];
} else {
// fetch failed
NSLog(@"API fetch error: %@", error);
}
}
- (void)setAuthentication:(GTMOAuthAuthentication *)auth {
[mAuth autorelease];
mAuth = [auth retain];
}
首先，您需要从Google API获取令牌，对于第一步，您将不得不按照本教程进行操作，并且在此链接的末尾有iOS的完整源代码，用于从Google API获取令牌
http://technogerms.com/login-with-google-using-oauth-2-0-for-ios-xcode-objective-c/
然后在下一步中，您必须将该令牌发送给Google API以请求用户数据，我只需要第一步就可以分享我的搜索结果
试试这个教程和源代码链接
..这对我来说很好。1.教程参考： http ： //technogerms.com/login-with-google-using-oauth-2-0-for-ios-xcode-objective-c/
2. Api参考： https : //code.google.com/apis/console/
3.源代码： https ： //github.com/emysa341/Login-with-gmail-google-g--using-oath-2.0-protocol/archive/master.zip
我认为这会帮助其他人按照以下步骤将gmail与您的应用程序集成。
1.为您的项目添加以下课程。
GTMHTTPFetcher.h，GTMHTTPFetcher.m，GTMOAuth2Authentication.h，GTMOAuth2Authentication.m，GTMOAuth2SignIn.h，GTMOAuth2SignIn.m，GTMOAuth2ViewControllerTouch.h，GTMOAuth2ViewControllerTouch.m，GTMOAuth2ViewTouch.xib，SBJSON.h，SBJSON.m
你会在这里得到这些类：https：//github.com/jonmountjoy/Force.com-iOS-oAuth-2.0-Example
注意 ：如果你在ARC环境下工作，那么你必须禁用ARC以下文件：
GTMHTTPFetcher.m，GTMOAuth2Authentication.m，GTMOAuth2SignIn.m，GTMOAuth2ViewControllerTouch.m
要在Xcode 4中禁用源文件的ARC，请在Xcode中选择项目和目标。 在目标“构建阶段”选项卡下，展开编译源构建阶段，选择库源文件，然后按Enter打开编辑字段，然后键入-fno-objc-arc作为这些文件的编译器标志。
2.添加以下框架
security.framework , systemConfiguration.framework
3.注册您的应用程序到谷歌API API控制台...。 这里： https : //code.google.com/apis/console
然后转到ApiAccess部分，为iOS应用创建客户端ID。 那么你会得到clientID，ClientSecret和RedirectUrl
** 4。 现在是编码的时候了。 。 。 **
在您的控制器中创建一个登录按钮并为其设置操作。 这里当用户点击按钮SignInGoogleButtonClicked方法被调用。
//import GTMOAuth2Authentication , GTMOAuth2ViewControllerTouch
#define GoogleClientID @"paster your client id"
#define GoogleClientSecret @"paste your client secret"
#define GoogleAuthURL @"https://accounts.google.com/o/oauth2/auth"
#define GoogleTokenURL @"https://accounts.google.com/o/oauth2/token"
-(void) SignInGoogleButtonClicked
{
NSURL * tokenURL = [NSURL URLWithString:GoogleTokenURL];
NSString * redirectURI = @"urn:ietf:wg:oauth:2.0:oob";
GTMOAuth2Authentication * auth;
auth = [GTMOAuth2Authentication authenticationWithServiceProvider:@"google"
tokenURL:tokenURL
redirectURI:redirectURI
clientID:GoogleClientID
clientSecret:GoogleClientSecret];
auth.scope = @"https://www.googleapis.com/auth/plus.me";
GTMOAuth2ViewControllerTouch * viewcontroller = [[GTMOAuth2ViewControllerTouch alloc] initWithAuthentication:auth
authorizationURL:[NSURL URLWithString:GoogleAuthURL]
keychainItemName:@"GoogleKeychainName" delegate:self
finishedSelector:@selector(viewController:finishedWithAuth:error:)];
[self.navigationController pushViewController:viewcontroller animated:YES];
}
//this method is called when authentication finished
- (void)viewController:(GTMOAuth2ViewControllerTouch * )viewController finishedWithAuth:(GTMOAuth2Authentication * )auth error:(NSError * )error
{
if (error != nil) {
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Error Authorizing with Google"
message:[error localizedDescription]
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[alert show];
}
else
{
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert !"
message:@"success"
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[alert show];
}
}
上一篇: Using the Google APIs with OAuth 2.0 for gmail login in iPhone