diff --git a/doric-android/doric/src/main/java/pub/doric/DoricActivity.java b/doric-android/doric/src/main/java/pub/doric/DoricActivity.java
index 266d04e6..80d22371 100644
--- a/doric-android/doric/src/main/java/pub/doric/DoricActivity.java
+++ b/doric-android/doric/src/main/java/pub/doric/DoricActivity.java
@@ -26,17 +26,38 @@ import androidx.appcompat.app.AppCompatActivity;
  * @CreateDate: 2019-11-19
  */
 public class DoricActivity extends AppCompatActivity {
+    protected DoricFragment mDoricFragment;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.doric_activity);
         if (savedInstanceState == null) {
-            String scheme = getIntent().getStringExtra("scheme");
-            String alias = getIntent().getStringExtra("alias");
-            DoricFragment doricFragment = DoricFragment.newInstance(scheme, alias);
+            mDoricFragment = DoricFragment.newInstance(getScheme(), getAlias(), getExtra());
             getSupportFragmentManager().beginTransaction()
-                    .add(R.id.container, doricFragment)
+                    .add(R.id.container, mDoricFragment)
                     .commit();
         }
     }
+
+    /**
+     * @return Scheme for DoricFragment to load.
+     */
+    protected String getScheme() {
+        return getIntent().getStringExtra("scheme");
+    }
+
+    /**
+     * @return Alias used for JS error message.
+     */
+    protected String getAlias() {
+        return getIntent().getStringExtra("alias");
+    }
+
+    /**
+     * @return Extra data used for JS Panel in JSON format.
+     */
+    protected String getExtra() {
+        return getIntent().getStringExtra("extra");
+    }
 }
diff --git a/doric-android/doric/src/main/java/pub/doric/DoricFragment.java b/doric-android/doric/src/main/java/pub/doric/DoricFragment.java
index 0cc9a665..1c84c02e 100644
--- a/doric-android/doric/src/main/java/pub/doric/DoricFragment.java
+++ b/doric-android/doric/src/main/java/pub/doric/DoricFragment.java
@@ -35,10 +35,11 @@ import androidx.navigation.Navigation;
  */
 public class DoricFragment extends Fragment {
 
-    public static DoricFragment newInstance(String scheme, String alias) {
+    public static DoricFragment newInstance(String scheme, String alias, String extra) {
         Bundle args = new Bundle();
         args.putString("scheme", scheme);
         args.putString("alias", alias);
+        args.putString("extra", extra);
         DoricFragment fragment = new DoricFragment();
         fragment.setArguments(args);
         return fragment;
@@ -73,6 +74,8 @@ public class DoricFragment extends Fragment {
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
+        NavController navController = Navigation.findNavController(requireActivity(), R.id.nav_host);
+        navController.setGraph(R.navigation.doric_navigation, getArguments());
         FrameLayout maskView = view.findViewById(R.id.doric_mask);
         if (this.loadingView != null) {
             maskView.addView(this.loadingView);