Fix leaks (#429)

Author: SUPERCILEX

auth/src/main/java/com/firebase/ui/auth/provider/FacebookProvider.java

@@ -55,6 +55,8 @@ public class FacebookProvider implements IdpProvider, FacebookCallback<LoginResu
     private IdpCallback mCallbackObject;
 
     public FacebookProvider(Context appContext, IdpConfig idpConfig) {
+        appContext = appContext.getApplicationContext();
+
         if (appContext.getResources().getIdentifier(
                 "facebook_permissions", "array", appContext.getPackageName()) != 0) {
             Log.w(TAG, "DEVELOPER WARNING: You have defined R.array.facebook_permissions but that"

auth/src/main/java/com/firebase/ui/auth/provider/TwitterProvider.java

@@ -4,8 +4,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-
 import android.util.Log;
+
 import com.firebase.ui.auth.IdpResponse;
 import com.firebase.ui.auth.R;
 import com.google.firebase.auth.AuthCredential;
@@ -30,7 +30,7 @@ public TwitterProvider(Context appContext) {
         TwitterAuthConfig authConfig = new TwitterAuthConfig(
                 appContext.getString(R.string.twitter_consumer_key),
                 appContext.getString(R.string.twitter_consumer_secret));
-        Fabric.with(appContext, new Twitter(authConfig));
+        Fabric.with(appContext.getApplicationContext(), new Twitter(authConfig));
         mTwitterAuthClient = new TwitterAuthClient();
     }
 

auth/src/main/java/com/firebase/ui/auth/util/signincontainer/IdpSignInContainer.java

@@ -73,10 +73,10 @@ public void onCreate(@Nullable Bundle savedInstanceState) {
             return;
         }
 
-        if (provider.equalsIgnoreCase(FacebookAuthProvider.PROVIDER_ID)) {
-            mIdpProvider = new FacebookProvider(getContext(), providerConfig);
-        } else if (provider.equalsIgnoreCase(GoogleAuthProvider.PROVIDER_ID)) {
+        if (provider.equalsIgnoreCase(GoogleAuthProvider.PROVIDER_ID)) {
             mIdpProvider = new GoogleProvider(getActivity(), providerConfig, email);
+        } else if (provider.equalsIgnoreCase(FacebookAuthProvider.PROVIDER_ID)) {
+            mIdpProvider = new FacebookProvider(getContext(), providerConfig);
         } else if (provider.equalsIgnoreCase(TwitterAuthProvider.PROVIDER_ID)) {
             mIdpProvider = new TwitterProvider(getContext());
         }