Fix for broken auth javadoc

Bug: 28762927
Change-Id: I99b9e17bcabee700dd427a9bad895b10d004f745

Author: samtstern

app/build.gradle

@@ -26,6 +26,7 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:appcompat-v7:23.2.1'
+    compile 'com.android.support:design:23.2.1'
     compile 'com.android.support:recyclerview-v7:23.2.1'
     compile 'com.android.support:support-v4:23.2.1'
 

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

@@ -132,7 +132,7 @@ private void handleSignInResponse(int resultCode, Intent data) {
     @StyleRes
     private int getSelectedTheme() {
         if (mUseDefaultTheme.isChecked()) {
-            return AuthUI.DEFAULT_THEME;
+            return AuthUI.getDefaultTheme();
         }
 
         if (mUsePurpleTheme.isChecked()) {

auth/src/main/java/com/firebase/ui/auth/AuthUI.java

@@ -22,12 +22,12 @@
 import android.support.annotation.Nullable;
 import android.support.annotation.StyleRes;
 
-import com.firebase.ui.auth.ui.FlowParameters;
-import com.firebase.ui.auth.util.CredentialsApiHelper;
 import com.firebase.ui.auth.provider.FacebookProvider;
 import com.firebase.ui.auth.provider.GoogleProvider;
 import com.firebase.ui.auth.provider.IDPProviderParcel;
+import com.firebase.ui.auth.ui.FlowParameters;
 import com.firebase.ui.auth.ui.credentials.ChooseAccountActivity;
+import com.firebase.ui.auth.util.CredentialsApiHelper;
 import com.google.android.gms.common.api.Status;
 import com.google.android.gms.tasks.Continuation;
 import com.google.android.gms.tasks.Task;
@@ -94,10 +94,14 @@ public class AuthUI {
             )));
 
     /**
-     * The theme identifier to use in {@link SignInIntentBuilder#setTheme(int)} if no theme
+     * Default theme to be used in {@link SignInIntentBuilder#setTheme(int)} if no theme
      * customization is required.
      */
-    public static final int DEFAULT_THEME = R.style.FirebaseUI;
+    public static @StyleRes int getDefaultTheme() {
+        // TODO(iainmgin): figure out why this works as a static method but not as a static
+        //                 final variable.
+        return R.style.FirebaseUI;
+    }
 
     /**
      * Signs the current user out, if one is signed in. The
@@ -151,7 +155,8 @@ public Void then(@NonNull Task<Status> task) throws Exception {
     public static final class SignInIntentBuilder {
         private Context mContext;
         private FirebaseApp mFirebaseApp;
-        private int mTheme = DEFAULT_THEME;
+
+        private int mTheme = getDefaultTheme();
         private List<String> mProviders = Collections.singletonList(EMAIL_PROVIDER);
         private String mTosUrl;
 
@@ -189,7 +194,7 @@ public SignInIntentBuilder setFirebaseApp(@Nullable FirebaseApp firebaseApp) {
 
         /**
          * Specifies the theme to use for the application flow. If no theme is specified,
-         * {@link #DEFAULT_THEME} will be used.
+         * a default theme will be used.
          */
         public SignInIntentBuilder setTheme(@StyleRes int theme) {
             mTheme = theme;