Developer option for Grammatical Gender

Bug: b/272626712
Test: Added and verified affected atests pass
Change-Id: Ie07f80d608b78dfce3309533ac02d9a907e5e7b4

res/values/strings.xml

@@ -12220,4 +12220,9 @@
 
     <!--  Warning text about the visibility of device name. [CHAR LIMIT=NONE] -->
     <string name="about_phone_device_name_warning">Your device name is visible to apps you installed. It may also be seen by other people when you connect to Bluetooth devices, connect to a Wi-Fi network or set up a Wi-Fi hotspot.</string>
+
+    <!-- Developer settings: grammatical gender title [CHAR LIMIT=50]-->
+    <string name="grammatical_gender_title">Grammatical gender</string>
+    <!-- Developer settings: select Grammatical gender dialog title [CHAR LIMIT=50]-->
+    <string name="grammatical_gender_dialog_title">Select Grammatical gender</string>
 </resources>

res/xml/development_settings.xml

@@ -146,6 +146,13 @@
             android:key="quick_settings_tiles"
             android:title="@string/quick_settings_developer_tiles"
             android:fragment="com.android.settings.development.qstile.DevelopmentTileConfigFragment" />
+
+        <ListPreference
+            android:key="grammatical_gender"
+            android:title="@string/grammatical_gender_title"
+            android:dialogTitle="@string/grammatical_gender_dialog_title"
+            android:entries="@array/grammatical_gender_entries"
+            android:entryValues="@array/grammatical_gender_values" />
     </PreferenceCategory>
 
     <PreferenceCategory

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -744,6 +744,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new ContrastPreferenceController(
                 context, context.getSystemService(UiModeManager.class)));
         controllers.add(new ForceEnableNotesRolePreferenceController(context));
+        controllers.add(new GrammaticalGenderPreferenceController(context));
 
         return controllers;
     }

src/com/android/settings/development/GrammaticalGenderPreferenceController.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2020 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.development;
+
+import android.app.ActivityManager;
+import android.app.IActivityManager;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.os.RemoteException;
+import android.os.SystemProperties;
+import android.text.TextUtils;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+/**
+ * Preference controller to control Grammatical Gender
+ */
+public class GrammaticalGenderPreferenceController extends DeveloperOptionsPreferenceController
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
+
+    private static final String GRAMMATICAL_GENDER_KEY =
+            "grammatical_gender";
+    @VisibleForTesting
+    static final String GRAMMATICAL_GENDER_PROPERTY = "persist.sys.grammatical_gender";
+    private final String[] mListValues;
+    private final String[] mListSummaries;
+
+    private IActivityManager mActivityManager;
+
+    public GrammaticalGenderPreferenceController(Context context) {
+        this(context, ActivityManager.getService());
+    }
+
+    @VisibleForTesting
+    GrammaticalGenderPreferenceController(Context context,
+            IActivityManager activityManager) {
+        super(context);
+
+        mListValues = context.getResources().getStringArray(R.array.grammatical_gender_values);
+        mListSummaries = context.getResources().getStringArray(R.array.grammatical_gender_entries);
+        mActivityManager = activityManager;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return GRAMMATICAL_GENDER_KEY;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        SystemProperties.set(GRAMMATICAL_GENDER_PROPERTY, newValue.toString());
+        updateState(mPreference);
+        try {
+            Configuration config = mActivityManager.getConfiguration();
+            config.setGrammaticalGender(Integer.parseInt(newValue.toString()));
+            mActivityManager.updatePersistentConfiguration(config);
+        } catch (RemoteException ex) {
+            // intentional no-op
+        }
+        return true;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        final ListPreference listPreference = (ListPreference) preference;
+        final String currentValue = SystemProperties.get(GRAMMATICAL_GENDER_PROPERTY);
+        int index = 0; // Defaults to Not Selected
+        for (int i = 0; i < mListValues.length; i++) {
+            if (TextUtils.equals(currentValue, mListValues[i])) {
+                index = i;
+                break;
+            }
+        }
+        listPreference.setValue(mListValues[index]);
+        listPreference.setSummary(mListSummaries[index]);
+    }
+}

tests/robotests/src/com/android/settings/development/GrammaticalGenderPreferenceControllerTest.java

@@ -0,0 +1,143 @@
+/*
+ * 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.development;
+
+
+import static com.android.settings.development.GrammaticalGenderPreferenceController.GRAMMATICAL_GENDER_PROPERTY;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.IActivityManager;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.RemoteException;
+import android.os.SystemProperties;
+
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class GrammaticalGenderPreferenceControllerTest {
+    @Mock
+    private ListPreference mPreference;
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+    @Mock
+    private IActivityManager mActivityManager;
+    private Configuration mConfiguration;
+    private Context mContext;
+    private GrammaticalGenderPreferenceController mController;
+    private String[] mListValues;
+    private String[] mListSummaries;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        final Resources resources = mContext.getResources();
+        mListValues = resources.getStringArray(R.array.grammatical_gender_values);
+        mListSummaries = resources.getStringArray(R.array.grammatical_gender_entries);
+        mConfiguration = new Configuration();
+        mController = new GrammaticalGenderPreferenceController(mContext, mActivityManager);
+        when(mPreferenceScreen.findPreference(mController.getPreferenceKey()))
+                .thenReturn(mPreference);
+        mController.displayPreference(mPreferenceScreen);
+        doReturn(mConfiguration).when(mActivityManager).getConfiguration();
+    }
+
+    @Test
+    public void onPreferenceChange_setNeuter_shouldEnableNeuter() throws RemoteException {
+        mController.onPreferenceChange(mPreference, mListValues[1]);
+        final String currentValue = SystemProperties.get(GRAMMATICAL_GENDER_PROPERTY);
+        assertThat(currentValue).isEqualTo(mListValues[1]);
+        verify(mActivityManager).updatePersistentConfiguration(mConfiguration);
+        assertThat(mConfiguration.getGrammaticalGender())
+                .isEqualTo(Integer.parseInt(mListValues[1]));
+    }
+
+    @Test
+    public void updateState_setNeuter_shouldSetPreferenceToNeuter() {
+        SystemProperties.set(GRAMMATICAL_GENDER_PROPERTY, mListValues[1]);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setValue(mListValues[1]);
+        verify(mPreference).setSummary(mListSummaries[1]);
+    }
+
+    @Test
+    public void onPreferenceChange_setFeminine_shouldEnableFeminine() throws RemoteException {
+        mController.onPreferenceChange(mPreference, mListValues[2]);
+        final String currentValue = SystemProperties.get(GRAMMATICAL_GENDER_PROPERTY);
+        assertThat(currentValue).isEqualTo(mListValues[2]);
+        verify(mActivityManager).updatePersistentConfiguration(mConfiguration);
+        assertThat(mConfiguration.getGrammaticalGender())
+                .isEqualTo(Integer.parseInt(mListValues[2]));
+    }
+
+    @Test
+    public void updateState_setFeminine_shouldSetPreferenceToFeminine() {
+        SystemProperties.set(GRAMMATICAL_GENDER_PROPERTY, mListValues[2]);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setValue(mListValues[2]);
+        verify(mPreference).setSummary(mListSummaries[2]);
+    }
+
+    @Test
+    public void onPreferenceChange_setMasculine_shouldEnableMasculine() throws RemoteException {
+        mController.onPreferenceChange(mPreference, mListValues[3]);
+        final String currentValue = SystemProperties.get(GRAMMATICAL_GENDER_PROPERTY);
+        assertThat(currentValue).isEqualTo(mListValues[3]);
+        verify(mActivityManager).updatePersistentConfiguration(mConfiguration);
+        assertThat(mConfiguration.getGrammaticalGender())
+                .isEqualTo(Integer.parseInt(mListValues[3]));
+    }
+
+    @Test
+    public void updateState_setMasculine_shouldSetPreferenceToMasculine() {
+        SystemProperties.set(GRAMMATICAL_GENDER_PROPERTY, mListValues[3]);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setValue(mListValues[3]);
+        verify(mPreference).setSummary(mListSummaries[3]);
+    }
+
+    @Test
+    public void updateState_noValueSet_shouldSetDefaultToNotSpecified() {
+        mController.updateState(mPreference);
+
+        verify(mPreference).setValue(mListValues[0]);
+        verify(mPreference).setSummary(mListSummaries[0]);
+    }
+}