Add reauthentication

app/src/main/java/com/firebase/uidemo/auth/AuthUiActivity.java

@@ -126,16 +126,15 @@ public class AuthUiActivity extends AppCompatActivity {
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        setContentView(R.layout.auth_ui_layout);
+        ButterKnife.bind(this);
 
         FirebaseAuth auth = FirebaseAuth.getInstance();
         if (auth.getCurrentUser() != null) {
-            startActivity(SignedInActivity.createIntent(this, null));
+            startSignedInActivity(null);
             finish();
         }
 
-        setContentView(R.layout.auth_ui_layout);
-        ButterKnife.bind(this);
-
         if (!isGoogleConfigured()) {
             mUseGoogleProvider.setChecked(false);
             mUseGoogleProvider.setEnabled(false);
@@ -208,7 +207,7 @@ private void handleSignInResponse(int resultCode, Intent data) {
 
         // Successfully signed in
         if (resultCode == ResultCodes.OK) {
-            startActivity(SignedInActivity.createIntent(this, response));
+            startSignedInActivity(response);
             finish();
             return;
         } else {
@@ -233,6 +232,19 @@ private void handleSignInResponse(int resultCode, Intent data) {
         showSnackbar(R.string.unknown_sign_in_response);
     }
 
+    private void startSignedInActivity(IdpResponse response) {
+        startActivity(
+                SignedInActivity.createIntent(
+                        this,
+                        response,
+                        new SignedInActivity.SignedInConfig(
+                                getSelectedLogo(),
+                                getSelectedTheme(),
+                                getSelectedProviders(),
+                                getSelectedTosUrl(),
+                                mEnableSmartLock.isChecked())));
+    }
+
     @MainThread
     private void setGoogleScopesEnabled(boolean enabled) {
         mGoogleScopesLabel.setEnabled(enabled);

app/src/main/java/com/firebase/uidemo/auth/SignedInActivity.java

@@ -18,6 +18,8 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
 import android.support.annotation.MainThread;
 import android.support.annotation.NonNull;
 import android.support.annotation.StringRes;
@@ -31,6 +33,7 @@
 
 import com.bumptech.glide.Glide;
 import com.firebase.ui.auth.AuthUI;
+import com.firebase.ui.auth.AuthUI.IdpConfig;
 import com.firebase.ui.auth.IdpResponse;
 import com.firebase.uidemo.R;
 import com.google.android.gms.tasks.OnCompleteListener;
@@ -41,13 +44,19 @@
 import com.google.firebase.auth.FirebaseUser;
 import com.google.firebase.auth.GoogleAuthProvider;
 
+import java.util.ArrayList;
 import java.util.Iterator;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
+import java.util.List;
 
 public class SignedInActivity extends AppCompatActivity {
+    private static final String EXTRA_SIGNED_IN_CONFIG = "extra_signed_in_config";
+
+    private static final int RC_REAUTH = 100;
+
     @BindView(android.R.id.content)
     View mRootView;
 
@@ -65,6 +74,8 @@ public class SignedInActivity extends AppCompatActivity {
 
     private IdpResponse mIdpResponse;
 
+    private SignedInConfig mSignedInConfig;
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -77,6 +88,7 @@ public void onCreate(Bundle savedInstanceState) {
         }
 
         mIdpResponse = IdpResponse.fromResultIntent(getIntent());
+        mSignedInConfig = getIntent().getParcelableExtra(EXTRA_SIGNED_IN_CONFIG);
 
         setContentView(R.layout.signed_in_layout);
         ButterKnife.bind(this);
@@ -101,6 +113,21 @@ public void onComplete(@NonNull Task<Void> task) {
                 });
     }
 
+    @OnClick(R.id.reauthenticate)
+    public void reauthenticate() {
+        Intent reauthIntent = AuthUI.getInstance()
+                .createReauthIntentBuilder()
+                .setProviders(mSignedInConfig.providerInfo)
+                .setIsSmartLockEnabled(mSignedInConfig.isSmartLockEnabled)
+                .setLogo(mSignedInConfig.logo)
+                .setTheme(mSignedInConfig.theme)
+                .setTosUrl(mSignedInConfig.tosUrl)
+                .setReauthReason(getString(R.string.reauthentication_reason))
+                .build();
+
+        startActivityForResult(reauthIntent, RC_REAUTH);
+    }
+
     @OnClick(R.id.delete_account)
     public void deleteAccountClicked() {
 
@@ -185,14 +212,18 @@ private void populateIdpToken() {
             token = mIdpResponse.getIdpToken();
             secret = mIdpResponse.getIdpSecret();
         }
+        View idpTokenLayout = findViewById(R.id.idp_token_layout);
         if (token == null) {
-            findViewById(R.id.idp_token_layout).setVisibility(View.GONE);
+            idpTokenLayout.setVisibility(View.GONE);
         } else {
+            idpTokenLayout.setVisibility(View.VISIBLE);
             ((TextView) findViewById(R.id.idp_token)).setText(token);
         }
+        View idpSecretLayout = findViewById(R.id.idp_secret_layout);
         if (secret == null) {
-            findViewById(R.id.idp_secret_layout).setVisibility(View.GONE);
+            idpSecretLayout.setVisibility(View.GONE);
         } else {
+            idpSecretLayout.setVisibility(View.VISIBLE);
             ((TextView) findViewById(R.id.idp_secret)).setText(secret);
         }
     }
@@ -203,9 +234,79 @@ private void showSnackbar(@StringRes int errorMessageRes) {
                 .show();
     }
 
-    public static Intent createIntent(Context context, IdpResponse idpResponse) {
+    static final class SignedInConfig implements Parcelable {
+        int logo;
+        int theme;
+        List<IdpConfig> providerInfo;
+        String tosUrl;
+        boolean isSmartLockEnabled;
+
+        SignedInConfig(
+            int logo,
+            int theme,
+            List<IdpConfig> providerInfo,
+            String tosUrl,
+            boolean isSmartLockEnabled) {
+            this.logo = logo;
+            this.theme = theme;
+            this.providerInfo = providerInfo;
+            this.tosUrl = tosUrl;
+            this.isSmartLockEnabled = isSmartLockEnabled;
+        }
+
+        SignedInConfig(Parcel in) {
+            logo = in.readInt();
+            theme = in.readInt();
+            providerInfo = new ArrayList<>();
+            in.readList(providerInfo, IdpConfig.class.getClassLoader());
+            tosUrl = in.readString();
+            isSmartLockEnabled = in.readInt() != 0;
+        }
+
+        public static final Creator<SignedInConfig> CREATOR = new Creator<SignedInConfig>() {
+            @Override
+            public SignedInConfig createFromParcel(Parcel in) {
+                return new SignedInConfig(in);
+            }
+
+            @Override
+            public SignedInConfig[] newArray(int size) {
+                return new SignedInConfig[size];
+            }
+        };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeInt(logo);
+            dest.writeInt(theme);
+            dest.writeList(providerInfo);
+            dest.writeString(tosUrl);
+            dest.writeInt(isSmartLockEnabled ? 1 : 0);
+        }
+    }
+
+    public static Intent createIntent(
+            Context context,
+            IdpResponse idpResponse,
+            SignedInConfig signedInConfig) {
         Intent in = IdpResponse.getIntent(idpResponse);
         in.setClass(context, SignedInActivity.class);
+        in.putExtra(EXTRA_SIGNED_IN_CONFIG, signedInConfig);
         return in;
     }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == RC_REAUTH) {
+            mIdpResponse = IdpResponse.fromResultIntent(data);
+            populateIdpToken();
+            populateProfile();
+        }
+    }
 }

app/src/main/res/layout/signed_in_layout.xml

@@ -40,6 +40,15 @@
                 android:layout_margin="16dp"
                 android:text="@string/sign_out"/>
 
+            <Button
+                android:id="@+id/reauthenticate"
+                style="@style/Widget.AppCompat.Button.Colored"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:layout_margin="16dp"
+                android:text="@string/reauthenticate"/>
+
             <Button
                 android:id="@+id/delete_account"
                 android:layout_width="wrap_content"

app/src/main/res/values/strings.xml

@@ -64,6 +64,8 @@
     <string name="accessibility_downloaded_image">Downloaded image</string>
     <string name="drive_file">Drive File</string>
     <string name="allow_new_email_acccount">Allow account creation if email does not exist.</string>
+    <string name="reauthenticate">Reauth</string>
+    <string name="reauthentication_reason">Reauth was requested from the test app. Please login to continue.</string>
 
     <!-- strings for database demo activities -->
     <string name="start_chatting">No messages. Start chatting at the bottom!</string>