android - 谷歌登出问题
问题描述
我一直在创建一个具有注册功能的登录应用程序,并使用 gmail 帐户登录。问题是每当我签署其帐户时,该帐户都会自动使用第一个帐户登录并且无法退出。并且在firebase中,用户ID显示哪个未登录。每次相同的帐户被签名时。
这是我的个人资料活动。用户登录后,配置文件活动打开。
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_profile);
auth=FirebaseAuth.getInstance();
profiletx=(TextView)findViewById(R.id.ptext);
user=auth.getCurrentUser();
profiletx.setText(user.getEmail());
signout=(Button)findViewById(R.id.signout);
}
public void signOut(View v)
{
FirebaseAuth.getInstance().signOut();
auth.signOut();
Intent i=new Intent(getApplicationContext(), MainActivity.class);
finish();
startActivity(i);
}
这是我的登录活动
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
auth = FirebaseAuth.getInstance();
e1 = (EditText) findViewById(R.id.editText);
e2 = (EditText) findViewById(R.id.editText2);
user = auth.getCurrentUser();
signInButton = (SignInButton) findViewById(R.id.googleid);
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build();
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
signInButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
SignIn();
}
});
}
private void SignIn()
{
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
startActivityForResult(signInIntent, 1);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);
if (requestCode == 1) {
Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
try {
// Google Sign In was successful, authenticate with Firebase
GoogleSignInAccount account = task.getResult(ApiException.class);
firebaseAuthWithGoogle(account);
} catch (ApiException e) {
// Google Sign In failed, update UI appropriately
Log.w(TAG, "Google sign in failed", e);
// ...
}
}
}
private void firebaseAuthWithGoogle(GoogleSignInAccount account) {
AuthCredential credential = GoogleAuthProvider.getCredential(account.getIdToken(), null);
auth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
// Sign in success, update UI with the signed-in user's information
Log.d("Login", "signInWithCredential:success");
user = auth.getCurrentUser();
updateUI(user);
FirebaseUser user = auth.getCurrentUser();
Toast.makeText(getApplicationContext(), "successfully signed", Toast.LENGTH_SHORT).show();
finish();
Intent i = new Intent(getApplicationContext(), ProfileActivity.class);
startActivity(i);
} else {
Toast.makeText(getApplicationContext(), "unsuccessfully sign", Toast.LENGTH_SHORT).show();
updateUI(null);
}
// ...
}
});
}
private void updateUI(FirebaseUser user) {
GoogleSignInAccount acct = GoogleSignIn.getLastSignedInAccount(getApplicationContext());
if (acct != null) {
String personName = acct.getDisplayName();
String personGivenName = acct.getGivenName();
String personFamilyName = acct.getFamilyName();
String personEmail = acct.getEmail();
String personId = acct.getId();
Uri personPhoto = acct.getPhotoUrl();
}
}
public void Signin(View v)
{
if (e1.getText().toString().equals("") && e2.getText().toString().equals("")) {
Toast.makeText(getApplicationContext(), "enter the details please", Toast.LENGTH_SHORT).show();
} else {
auth.signInWithEmailAndPassword(e1.getText().toString(), e2.getText().toString())
.addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
Toast.makeText(getApplicationContext(), "successfully registered", Toast.LENGTH_SHORT).show();
finish();
Intent i = new Intent(getApplicationContext(), ProfileActivity.class);
startActivity(i);
} else {
Toast.makeText(getApplicationContext(), "could not logiged in", Toast.LENGTH_SHORT).show();
}
}
});
}
}
}
谁能帮我这个?
解决方案
您还需要注销 GoogleSignInClient ,例如单击按钮:
public void signOut() {
signOutBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.build();
GoogleSignInClient mGoogleSignInClient = GoogleSignIn.getClient(getContext(), gso);
mGoogleSignInClient.signOut();
FirebaseAuth.getInstance().signOut();
startActivity(new Intent(getContext(), LoginActivity.class));
}
});
}
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