Merge "Update SpellCheckerPreference layout to support divider" into main

src/com/android/settings/inputmethod/SpellCheckerPreference.java

@@ -25,6 +25,7 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.textservice.SpellCheckerInfo;
 
+import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog.Builder;
 import androidx.preference.PreferenceViewHolder;
 
@@ -41,11 +42,15 @@ import com.android.settings.R;
 class SpellCheckerPreference extends CustomListPreference {
 
     private final SpellCheckerInfo[] mScis;
-    private Intent mIntent;
+    @VisibleForTesting
+    Intent mIntent;
 
     public SpellCheckerPreference(final Context context, final SpellCheckerInfo[] scis) {
         super(context, null);
         mScis = scis;
+        setLayoutResource(
+                com.android.settingslib.widget.preference.twotarget.R.layout.preference_two_target);
+
         setWidgetLayoutResource(R.layout.preference_widget_gear);
         if (scis == null) {
             return;
@@ -108,14 +113,26 @@ class SpellCheckerPreference extends CustomListPreference {
     @Override
     public void onBindViewHolder(PreferenceViewHolder view) {
         super.onBindViewHolder(view);
+        final View divider = view.findViewById(
+                com.android.settingslib.widget.preference.twotarget.R.id.two_target_divider);
+        final View widgetFrame = view.findViewById(android.R.id.widget_frame);
+        if (divider != null) {
+            divider.setVisibility(mIntent != null ? View.VISIBLE : View.GONE);
+        }
+        if (widgetFrame != null) {
+            widgetFrame.setVisibility(mIntent != null ? View.VISIBLE : View.GONE);
+        }
+
         View settingsButton = view.findViewById(R.id.settings_button);
-        settingsButton.setVisibility(mIntent != null ? View.VISIBLE : View.INVISIBLE);
-        settingsButton.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                onSettingsButtonClicked();
-            }
-        });
+        if (settingsButton != null) {
+            settingsButton.setVisibility(mIntent != null ? View.VISIBLE : View.INVISIBLE);
+            settingsButton.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    onSettingsButtonClicked();
+                }
+            });
+        }
     }
 
     private void onSettingsButtonClicked() {

tests/robotests/src/com/android/settings/inputmethod/SpellCheckerPreferenceTest.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.inputmethod;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.content.Intent;
+import android.view.View;
+import android.view.textservice.SpellCheckerInfo;
+
+import androidx.preference.PreferenceViewHolder;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class SpellCheckerPreferenceTest {
+
+    private Context mContext;
+    private PreferenceViewHolder mViewHolder;
+    private View mDivider;
+    private SpellCheckerPreference mPreference;
+    private final SpellCheckerInfo[] mScis = new SpellCheckerInfo[]{};
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mPreference = new SpellCheckerPreference(mContext, mScis);
+    }
+
+    @Test
+    public void onBindViewHolder_withIntent_DividerIsVisible() {
+        final View view = spy(View.inflate(mContext, mPreference.getLayoutResource(), null));
+        mViewHolder = PreferenceViewHolder.createInstanceForTests(view);
+        mDivider = view.findViewById(
+                com.android.settingslib.widget.preference.twotarget.R.id.two_target_divider);
+        mPreference.mIntent = new Intent(Intent.ACTION_MAIN);
+
+        mPreference.onBindViewHolder(mViewHolder);
+
+        assertThat(mDivider.getVisibility()).isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void onBindViewHolder_withoutIntent_DividerIsNotExist() {
+        final View view = spy(View.inflate(mContext, mPreference.getLayoutResource(), null));
+        mViewHolder = PreferenceViewHolder.createInstanceForTests(view);
+        mDivider = view.findViewById(
+                com.android.settingslib.widget.preference.twotarget.R.id.two_target_divider);
+
+        mPreference.onBindViewHolder(mViewHolder);
+
+        assertThat(mDivider.getVisibility()).isEqualTo(View.GONE);
+    }
+}