我正在使用FirebaseUI for Auth来处理身份验证,我想要做的是指定一个特定的活动,如果用户已注册(首次登录),则打开,是否有可能实现此目的?
编辑:这是使用的FirebaseUi身份验证:
List<AuthUI.IdpConfig> providers = Arrays.asList(
new AuthUI.IdpConfig.Builder(AuthUI.EMAIL_PROVIDER).build(),
new AuthUI.IdpConfig.Builder(AuthUI.GOOGLE_PROVIDER).build());
startActivityForResult(
AuthUI.getInstance()
.createSignInIntentBuilder()
.setIsSmartLockEnabled(false)
.setAvailableProviders(providers)
.setTheme(R.style.LoginTheme)
.setLogo(R.drawable.ic_melomania_blue_light)
.build(),
RC_SIGN_IN);
onActivityResult
:
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == RC_SIGN_IN) {
if (resultCode == RESULT_OK) {
// Sign-in succeeded, set up the UI
Toast.makeText(this, "Signed in!", Toast.LENGTH_SHORT).show();
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
} else if (resultCode == RESULT_CANCELED) {
// Sign in was canceled by the user, finish the activity
Toast.makeText(this, "Sign in canceled", Toast.LENGTH_SHORT).show();
finish();
}
}}
我建议看看docs。以下是您如何处理活动响应的示例:
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// RC_SIGN_IN is the request code you passed into startActivityForResult(...) when starting the sign in flow.
if (requestCode == RC_SIGN_IN) {
IdpResponse response = IdpResponse.fromResultIntent(data);
// Successfully signed in
if (resultCode == RESULT_OK) {
startActivity(SignedInActivity.createIntent(this, response)); // <--- This is what you are looking for!
finish();
} else {
// Sign in failed
if (response == null) {
// User pressed back button
showSnackbar(R.string.sign_in_cancelled);
return;
}
if (response.getError().getErrorCode() == ErrorCodes.NO_NETWORK) {
showSnackbar(R.string.no_internet_connection);
return;
}
showSnackbar(R.string.unknown_error);
Log.e(TAG, "Sign-in error: ", response.getError());
}
}
}
要专门检查这是否是第一次使用,请查看this example:
FirebaseUserMetadata metadata = auth.getCurrentUser().getMetadata();
if (metadata.getCreationTimestamp() == metadata.getLastSignInTimestamp()) {
// The user is new, show them a fancy intro screen!
} else {
// This is an existing user, show them a welcome back screen.
}
要在用户在Firebase中注册后转到特定活动,您可以执行以下操作:
auth.createUserWithEmailAndPassword(email, password)
.addOnCompleteListener(StudentSignUpActivity.this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Toasty.info(getApplicationContext(), "creation of account was: " + task.isSuccessful(), Toast.LENGTH_SHORT).show();
if (task.isSuccessful()) {
startActivity(new Intent(CurrentActivity.this,ActivityYouWantToGoTo.class));
finish();
用户输入电子邮件和密码后,您可以使用上述方法对用户进行身份验证,如果成功,则会将用户重定向到您想要的活动,使用以下方法:
startActivity(new Intent(CurrentActivity.this,ActivityYouWantToGoTo.class));
以上活动名称只是样本,您应该根据您的活动名称进行更改。