AuthUI Activity

AuthUiActivity.java

package com.okason.diary.ui.auth;


public class AuthUiActivity extends AppCompatActivity {

    private static final String GOOGLE_TOS_URL = "https://www.google.com/policies/terms/";
    private static final int RC_SIGN_IN = 100;
    private Activity mActivity;
    private MaterialDialog progressDialog;
    private boolean shouldShowDialog = false;


    @BindView(android.R.id.content)
    View mRootView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_auth_ui);
        ButterKnife.bind(this);
        mActivity = this;
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        if (FirebaseAuth.getInstance().getCurrentUser() != null){
            startActivity(new Intent(mActivity, NoteListActivity.class));
            return;
        }

        showSignInScreen();

    }

    @Override
    protected void onResume() {
        super.onResume();

   }




    private void showSignInScreen() {
        startActivityForResult(
                AuthUI.getInstance().createSignInIntentBuilder()
                        .setLogo(R.mipmap.ic_launcher)
                        .setTheme(R.style.GreenTheme)
                        .setAvailableProviders(getSelectedProviders())
                        .setTosUrl(GOOGLE_TOS_URL)
                        .setIsSmartLockEnabled(true, true)
                        .setAllowNewEmailAccounts(true)
                        .build(),
                RC_SIGN_IN);
    }

    @MainThread
    private List<AuthUI.IdpConfig> getSelectedProviders() {
        List<AuthUI.IdpConfig> selectedProviders = new ArrayList<>();

        selectedProviders.add(new AuthUI.IdpConfig.Builder(AuthUI.EMAIL_PROVIDER).build());

        selectedProviders.add(
                new AuthUI.IdpConfig.Builder(AuthUI.GOOGLE_PROVIDER)
                        .setPermissions(getGooglePermissions())
                        .build());
        selectedProviders.add(
                new AuthUI.IdpConfig.Builder(AuthUI.FACEBOOK_PROVIDER)
                        .build());


        return selectedProviders;
    }

    @MainThread
    private List<String> getGooglePermissions() {
        List<String> result = new ArrayList<>();
        result.add(Scopes.DRIVE_FILE);
        return result;
    }

    private List<String> getFacebookPermissions() {
        List<String> result = new ArrayList<>();
        result.add("user_photos");
        return result;
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == RC_SIGN_IN) {
            handleSignInResponse(resultCode, data);
            return;
        }

        makeToast(getString(R.string.unknown_response));
    }

    @MainThread
    private void handleSignInResponse(int resultCode, final Intent data) {
        IdpResponse response = IdpResponse.fromResultIntent(data);

        // Successfully signed in
        if (resultCode == ResultCodes.OK) {
            startSignedInActivity(response);
            finish();
            return;
        } else {
            // Sign in failed
            if (response == null) {
                // User pressed back button
                showSnackbar(R.string.sign_in_cancelled);
                return;
            }

            if (response.getErrorCode() == ErrorCodes.NO_NETWORK) {
                showSnackbar(R.string.no_internet_connection);
                return;
            }

            if (response.getErrorCode() == ErrorCodes.UNKNOWN_ERROR) {
                showSnackbar(R.string.unknown_error);
                return;
            }
        }

        showSnackbar(R.string.unknown_sign_in_response);
    }

    private void startSignedInActivity(IdpResponse response) {
        startActivity(new Intent(mActivity, NoteListActivity.class));
    }


    public static Intent createIntent(Context context) {
        Intent in = new Intent();
        in.setClass(context, AuthUiActivity.class);
        return in;
    }



    @MainThread
    private void showSnackbar(@StringRes int errorMessageRes) {
        Snackbar.make(mRootView, errorMessageRes, Snackbar.LENGTH_LONG).show();
    }


}