Merge "Move config strings into their own XML file, with basic docs"

Author: Iain McGinniss

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

@@ -39,6 +39,8 @@
 
 public class AuthUiActivity extends Activity {
 
+    private static final String UNCHANGED_CONFIG_VALUE = "CHANGE-ME";
+
     private static final String GOOGLE_TOS_URL =
             "https://www.google.com/policies/terms/";
     private static final String FIREBASE_TOS_URL =
@@ -88,6 +90,22 @@ public void onCreate(Bundle savedInstanceState) {
 
         setContentView(R.layout.auth_ui_layout);
         ButterKnife.bind(this);
+
+        if (!isGoogleConfigured()) {
+            mUseGoogleProvider.setChecked(false);
+            mUseGoogleProvider.setEnabled(false);
+            mUseGoogleProvider.setText(R.string.google_label_missing_config);
+        }
+
+        if (!isFacebookConfigured()) {
+            mUseFacebookProvider.setChecked(false);
+            mUseFacebookProvider.setEnabled(false);
+            mUseFacebookProvider.setText(R.string.facebook_label_missing_config);
+        }
+
+        if (!isGoogleConfigured() || !isFacebookConfigured()) {
+            showSnackbar(R.string.configuration_required);
+        }
     }
 
     @OnClick(R.id.sign_in)
@@ -170,10 +188,21 @@ private String getSelectedTosUrl() {
         return FIREBASE_TOS_URL;
     }
 
+    @MainThread
+    private boolean isGoogleConfigured() {
+        return !UNCHANGED_CONFIG_VALUE.equals(
+                getResources().getString(R.string.default_web_client_id));
+    }
+
+    @MainThread
+    private boolean isFacebookConfigured() {
+        return !UNCHANGED_CONFIG_VALUE.equals(
+                getResources().getString(R.string.facebook_application_id));
+    }
+
     @MainThread
     private void showSnackbar(@StringRes int errorMessageRes) {
-        Snackbar.make(mRootView, errorMessageRes, Snackbar.LENGTH_LONG)
-                .show();
+        Snackbar.make(mRootView, errorMessageRes, Snackbar.LENGTH_LONG).show();
     }
 
     public static Intent createIntent(Context context) {

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

@@ -0,0 +1,8 @@
+<resources>
+    <!--
+    The Facebook Application ID associated with this Android application. To
+    use Facebook accounts with the demo application, register an application
+    and provide your value here.
+    -->
+    <string name="facebook_application_id" translatable="false">CHANGE-ME</string>
+</resources>

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

@@ -9,15 +9,17 @@
 
     <!-- strings for Auth UI demo activities -->
     <eat-comment/>
-    <string name="launch_title">Firebase Auth UI Demo</string>
+    <string name="launch_title">FirebaseUI Auth Demo</string>
     <string name="sign_in">Start</string>
     <string name="green_theme">Green Theme</string>
     <string name="purple_theme">Purple Theme</string>
     <string name="use_theme_header">Use theme:</string>
     <string name="auth_providers_header">Use auth providers:</string>
     <string name="email_label">Email</string>
     <string name="facebook_label">Facebook</string>
+    <string name="facebook_label_missing_config">Facebook - configuration missing</string>
     <string name="google_label">Google</string>
+    <string name="google_label_missing_config">Google - configuration missing</string>
     <string name="google_tos_label">Google TOS</string>
     <string name="firebase_tos_label">Firebase TOS</string>
     <string name="tos_header">Terms of Service URL:</string>
@@ -33,4 +35,5 @@
     <string name="user_profile_header">User profile:</string>
     <string name="profile_picture_content_desc">Profile picture</string>
     <string name="default_theme">Default theme</string>
+    <string name="configuration_required">Configuration is required - see README.md</string>
 </resources>

auth/src/main/res/values/config.xml

@@ -0,0 +1,21 @@
+<resources>
+    <!--
+    The Facebook Application ID associated with this Android application. This
+    must be overridden by users of FirebaseUI auth in order to support Facebook
+    accounts in the authentication flow.
+
+    See:
+    https://developers.facebook.com/docs/facebook-login/android
+    -->
+    <string name="facebook_application_id" translatable="false">CHANGE-ME</string>
+
+    <!--
+    The Google web client ID associated with this Android application. The
+    google-services gradle plugin will automatically provide this value.
+
+    See:
+    https://developers.google.com/identity/sign-in/web/devconsole-project
+    https://developers.google.com/android/guides/google-services-plugin
+    -->
+    <string name="default_web_client_id" translatable="false">CHANGE-ME</string>
+</resources>

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

@@ -60,6 +60,4 @@
     <string name="progress_dialog_sending">Sending…</string>
     <string name="progress_dialog_signing_in">Signing in…</string>
     <string name="progress_dialog_signing_up">Signing up…</string>
-    <string name="facebook_application_id">FACEBOOK-APPID</string>
-    <string name="default_web_client_id">GOOGLE-WEBCLIENT-ID</string>
 </resources>