1 files changed, 42 insertions, 2 deletions

diff --git a/src/com/android/settings/inputmethod/NewKeyboardLayoutPickerFragment.java b/src/com/android/settings/inputmethod/NewKeyboardLayoutPickerFragment.java
index 88cacd2b046..f583971cf67 100644
--- a/src/com/android/settings/inputmethod/NewKeyboardLayoutPickerFragment.java
+++ b/src/com/android/settings/inputmethod/NewKeyboardLayoutPickerFragment.java
@@ -16,35 +16,75 @@
 
 package com.android.settings.inputmethod;
 
+import static android.view.View.GONE;
+import static android.view.View.VISIBLE;
+
+import android.graphics.drawable.Drawable;
+import android.hardware.input.InputManager;
+import android.hardware.input.KeyboardLayout;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 
 import androidx.fragment.app.Fragment;
 
 import com.android.settings.R;
 
+//TODO: b/316243168 - [Physical Keyboard Setting] Refactor NewKeyboardLayoutPickerFragment
 public class NewKeyboardLayoutPickerFragment extends Fragment {
+    private static final int DEFAULT_KEYBOARD_PREVIEW_WIDTH = 1630;
+    private static final int DEFAULT_KEYBOARD_PREVIEW_HEIGHT = 540;
+
+    private ImageView mKeyboardLayoutPreview;
+    private InputManager mInputManager;
+    private final NewKeyboardLayoutPickerController.KeyboardLayoutSelectedCallback
+            mKeyboardLayoutSelectedCallback =
+            new NewKeyboardLayoutPickerController.KeyboardLayoutSelectedCallback() {
+                @Override
+                public void onSelected(KeyboardLayout keyboardLayout) {
+                    if (mInputManager != null && mKeyboardLayoutPreview != null) {
+                        Drawable previewDrawable = mInputManager.getKeyboardLayoutPreview(
+                                keyboardLayout,
+                                DEFAULT_KEYBOARD_PREVIEW_WIDTH, DEFAULT_KEYBOARD_PREVIEW_HEIGHT);
+                        mKeyboardLayoutPreview.setVisibility(
+                                previewDrawable == null ? GONE : VISIBLE);
+                        if (previewDrawable != null) {
+                            mKeyboardLayoutPreview.setImageDrawable(previewDrawable);
+                        }
+                    }
+                }
+            };
+
+    private final NewKeyboardLayoutPickerContent.ControllerUpdateCallback
+            mControllerUpdateCallback =
+                    newKeyboardLayoutPickerController -> {
+                        if (newKeyboardLayoutPickerController != null) {
+                            newKeyboardLayoutPickerController.registerKeyboardSelectedCallback(
+                                    mKeyboardLayoutSelectedCallback);
+                        }
+                    };
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
-
+        mInputManager = requireContext().getSystemService(InputManager.class);
         ViewGroup fragmentView = (ViewGroup) inflater.inflate(
                 R.layout.keyboard_layout_picker, container, false);
+        mKeyboardLayoutPreview = fragmentView.findViewById(R.id.keyboard_layout_preview);
         getActivity().getSupportFragmentManager()
                 .beginTransaction()
                 .replace(R.id.keyboard_layout_title, new NewKeyboardLayoutPickerTitle())
                 .commit();
 
         NewKeyboardLayoutPickerContent fragment = new NewKeyboardLayoutPickerContent();
+        fragment.setControllerUpdateCallback(mControllerUpdateCallback);
         fragment.setArguments(getArguments());
         getActivity().getSupportFragmentManager()
                 .beginTransaction()
                 .replace(R.id.keyboard_layouts, fragment)
                 .commit();
-
         return fragmentView;
     }
 }