如何解决如何从我的Android应用程序访问Google课堂API
我正在尝试制作一个Android应用,以便在用户登录后从用户的Google课堂帐户(课程,作业等)中获取信息。
感谢位于Start Integrating Google Sign-In into Your Android App的教程,用户可以登录,但是现在我不知道如何从登录帐户中获取Google课堂服务。
我已经请求了必要的作用域(ClassroomScopes.CLASSROOM_COURSES)
,这是我一直在使用的代码:
@Override
protected void onCreate(Bundle savedInstanceState) {
//google sign in stuff
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.requestScopes(new Scope(ClassroomScopes.CLASSROOM_COURSES))
.build();
mGoogleSignInClient = GoogleSignIn.getClient(this,gso);
//will return GoogleSignInAccount if user already signed in before
GoogleSignInAccount account = GoogleSignIn.getLastSignedInAccount(this);
}
public void loadClassroomAndroid(View v){
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
startActivityForResult(signInIntent,RC_SIGN_IN);
}
@Override
public void onActivityResult(int requestCode,int resultCode,Intent data){
super.onActivityResult(requestCode,resultCode,data);
if (requestCode == RC_SIGN_IN) {
// The Task returned from this call is always completed,no need to attach
// a listener.
Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
GoogleSignInAccount account = task.getResult(Exception.class);
//How can I get a Classroom object from this account ?
//Or at least get a user's classroom info ?
}
}
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