[Material Next] Update accessibility tool footer style

1. Implement API extends Material Next FooterBarPreference and support Accessibility API for icons
2. Apply solutions to accessibility tools and framework tools in
accessibility settings page.
3. Apply DashboardFragment for Caption preference for xml parser

Bug: 185973304
Test: make RunSettingsRoboTests -j52
Change-Id: I6b80bc80190d6666e3fbcd462442a9f2c0e60bba

tests/robotests/src/com/android/settings/accessibility/AccessibilityButtonFooterPreferenceControllerTest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link AccessibilityButtonFooterPreferenceController}. */
+@RunWith(RobolectricTestRunner.class)
+public class AccessibilityButtonFooterPreferenceControllerTest {
+
+    private static final String TEST_KEY = "test_key";
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private PreferenceScreen mScreen;
+    private AccessibilityButtonFooterPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+        final AccessibilityFooterPreference footerPreference =
+                new AccessibilityFooterPreference(mContext);
+        footerPreference.setKey(TEST_KEY);
+        mScreen.addPreference(footerPreference);
+        mController = new AccessibilityButtonFooterPreferenceController(mContext, TEST_KEY);
+    }
+
+    @Test
+    public void onPreferenceChange_shouldSetCorrectIconContentDescription() {
+        mController.displayPreference(mScreen);
+
+        final AccessibilityFooterPreference footerPreference = mScreen.findPreference(TEST_KEY);
+        final String packageName = mContext.getString(R.string.accessibility_button_title);
+        final String iconContentDescription = mContext.getString(
+                R.string.accessibility_introduction_title,
+                packageName);
+        assertThat(footerPreference.getIconContentDescription()).isEqualTo(iconContentDescription);
+    }
+}

tests/robotests/src/com/android/settings/accessibility/AccessibilityControlTimeoutFooterPreferenceControllerTest.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2021 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link AccessibilityControlTimeoutFooterPreferenceController}. */
+@RunWith(RobolectricTestRunner.class)
+public class AccessibilityControlTimeoutFooterPreferenceControllerTest {
+
+    private static final String TEST_KEY = "test_key";
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private PreferenceScreen mScreen;
+    private AccessibilityControlTimeoutFooterPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+        final AccessibilityFooterPreference footerPreference =
+                new AccessibilityFooterPreference(mContext);
+        footerPreference.setKey(TEST_KEY);
+        mScreen.addPreference(footerPreference);
+        mController = new AccessibilityControlTimeoutFooterPreferenceController(mContext, TEST_KEY);
+    }
+
+    @Test
+    public void onPreferenceChange_shouldSetCorrectIconContentDescription() {
+        mController.displayPreference(mScreen);
+
+        final AccessibilityFooterPreference footerPreference =
+                mScreen.findPreference(TEST_KEY);
+        final String packageName =
+                mContext.getString(R.string.accessibility_setting_item_control_timeout_title);
+        final String iconContentDescription = mContext.getString(
+                R.string.accessibility_introduction_title,
+                packageName);
+        assertThat(footerPreference.getIconContentDescription()).isEqualTo(iconContentDescription);
+    }
+}

tests/robotests/src/com/android/settings/accessibility/AccessibilityFooterPreferenceTest.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2019 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import androidx.preference.PreferenceViewHolder;
+
+import com.android.settingslib.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+/** Tests for {@link AccessibilityFooterPreference} */
+@RunWith(RobolectricTestRunner.class)
+public final class AccessibilityFooterPreferenceTest {
+
+    private static final String DEFAULT_SUMMARY = "default summary";
+    private static final String DEFAULT_DESCRIPTION = "default description";
+
+    private AccessibilityFooterPreference mAccessibilityFooterPreference;
+    private PreferenceViewHolder mPreferenceViewHolder;
+
+    @Before
+    public void setUp() {
+        final Context context = RuntimeEnvironment.application;
+        mAccessibilityFooterPreference = new AccessibilityFooterPreference(context);
+
+        final LayoutInflater inflater = LayoutInflater.from(context);
+        final View view =
+                inflater.inflate(R.layout.preference_footer, null);
+        mPreferenceViewHolder = PreferenceViewHolder.createInstanceForTests(view);
+    }
+
+    @Test
+    public void onBindViewHolder_initTextConfig_parseTextAndFocusable() {
+        mAccessibilityFooterPreference.setSummary(DEFAULT_SUMMARY);
+
+        mAccessibilityFooterPreference.onBindViewHolder(mPreferenceViewHolder);
+
+        final TextView summaryView = (TextView) mPreferenceViewHolder.findViewById(
+                android.R.id.title);
+        assertThat(summaryView.getText().toString()).isEqualTo(DEFAULT_SUMMARY);
+        assertThat(summaryView.isFocusable()).isEqualTo(true);
+    }
+
+    @Test
+    public void onBindViewHolder_initTextConfigAndAccessibleIcon_groupContentForAccessible() {
+        mAccessibilityFooterPreference.setSummary(DEFAULT_SUMMARY);
+        mAccessibilityFooterPreference.setIconContentDescription(DEFAULT_DESCRIPTION);
+
+        mAccessibilityFooterPreference.onBindViewHolder(mPreferenceViewHolder);
+
+        final TextView summaryView = (TextView) mPreferenceViewHolder.findViewById(
+                android.R.id.title);
+        assertThat(summaryView.getText().toString()).isEqualTo(DEFAULT_SUMMARY);
+        assertThat(summaryView.isFocusable()).isEqualTo(false);
+        final LinearLayout infoFrame = (LinearLayout) mPreferenceViewHolder.findViewById(
+                R.id.icon_frame);
+        assertThat(infoFrame.getContentDescription()).isEqualTo(DEFAULT_DESCRIPTION);
+        assertThat(infoFrame.isFocusable()).isEqualTo(false);
+    }
+}

tests/robotests/src/com/android/settings/accessibility/CaptionFooterPreferenceControllerTest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link CaptionFooterPreferenceController}. */
+@RunWith(RobolectricTestRunner.class)
+public class CaptionFooterPreferenceControllerTest {
+
+    private static final String TEST_KEY = "test_key";
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private PreferenceScreen mScreen;
+    private CaptionFooterPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+        final AccessibilityFooterPreference footerPreference =
+                new AccessibilityFooterPreference(mContext);
+        footerPreference.setKey(TEST_KEY);
+        mScreen.addPreference(footerPreference);
+        mController = new CaptionFooterPreferenceController(mContext, TEST_KEY);
+    }
+
+    @Test
+    public void onPreferenceChange_shouldSetCorrectIconContentDescription() {
+        mController.displayPreference(mScreen);
+
+        final AccessibilityFooterPreference footerPreference = mScreen.findPreference(TEST_KEY);
+        final String packageName = mContext.getString(R.string.accessibility_captioning_title);
+        final String iconContentDescription = mContext.getString(
+                R.string.accessibility_introduction_title,
+                packageName);
+        assertThat(footerPreference.getIconContentDescription()).isEqualTo(iconContentDescription);
+    }
+}

tests/robotests/src/com/android/settings/accessibility/ToggleAutoclickFooterPreferenceControllerTest.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2021 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link ToggleAutoclickFooterPreferenceController}. */
+@RunWith(RobolectricTestRunner.class)
+public class ToggleAutoclickFooterPreferenceControllerTest {
+
+    private static final String TEST_KEY = "test_key";
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private PreferenceScreen mScreen;
+    private ToggleAutoclickFooterPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+        final AccessibilityFooterPreference footerPreference =
+                new AccessibilityFooterPreference(mContext);
+        footerPreference.setKey(TEST_KEY);
+        mScreen.addPreference(footerPreference);
+        mController = new ToggleAutoclickFooterPreferenceController(mContext, TEST_KEY);
+    }
+
+    @Test
+    public void onPreferenceChange_shouldSetCorrectIconContentDescription() {
+        mController.displayPreference(mScreen);
+
+        final AccessibilityFooterPreference footerPreference = mScreen.findPreference(TEST_KEY);
+        final String packageName = mContext.getString(
+                R.string.accessibility_autoclick_preference_title);
+        final String iconContentDescription = mContext.getString(
+                R.string.accessibility_introduction_title,
+                packageName);
+        assertThat(footerPreference.getIconContentDescription()).isEqualTo(iconContentDescription);
+    }
+}

tests/robotests/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java

@@ -39,6 +39,7 @@ import androidx.annotation.XmlRes;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.FragmentActivity;
 import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import androidx.test.core.app.ApplicationProvider;
 
 import com.android.settings.R;
@@ -48,6 +49,7 @@ import com.android.settings.testutils.shadow.ShadowFragment;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Answers;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
@@ -63,6 +65,8 @@ public class ToggleFeaturePreferenceFragmentTest {
     private static final ComponentName PLACEHOLDER_COMPONENT_NAME = new ComponentName(
             PLACEHOLDER_PACKAGE_NAME, PLACEHOLDER_CLASS_NAME);
     private static final String PLACEHOLDER_DIALOG_TITLE = "title";
+    private static final String DEFAULT_SUMMARY = "default summary";
+    private static final String DEFAULT_DESCRIPTION = "default description";
 
     private static final String SOFTWARE_SHORTCUT_KEY =
             Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS;
@@ -70,9 +74,10 @@ public class ToggleFeaturePreferenceFragmentTest {
             Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE;
 
     private TestToggleFeaturePreferenceFragment mFragment;
+    private PreferenceScreen mScreen;
     private Context mContext = ApplicationProvider.getApplicationContext();
 
-    @Mock
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private PreferenceManager mPreferenceManager;
 
     @Before
@@ -83,7 +88,9 @@ public class ToggleFeaturePreferenceFragmentTest {
         when(mFragment.getPreferenceManager()).thenReturn(mPreferenceManager);
         when(mFragment.getPreferenceManager().getContext()).thenReturn(mContext);
         when(mFragment.getContext()).thenReturn(mContext);
-        doReturn(null).when(mFragment).getPreferenceScreen();
+        mScreen = spy(new PreferenceScreen(mContext, null));
+        when(mScreen.getPreferenceManager()).thenReturn(mPreferenceManager);
+        doReturn(mScreen).when(mFragment).getPreferenceScreen();
     }
 
     @Test
@@ -195,6 +202,21 @@ public class ToggleFeaturePreferenceFragmentTest {
         assertThat(expectedType).isEqualTo(UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE);
     }
 
+    @Test
+    public void createFooterPreference_shouldSetAsExpectedValue() {
+        mFragment.createFooterPreference(mFragment.getPreferenceScreen(),
+                DEFAULT_SUMMARY, DEFAULT_DESCRIPTION);
+
+        AccessibilityFooterPreference accessibilityFooterPreference =
+                (AccessibilityFooterPreference) mFragment.getPreferenceScreen().getPreference(
+                        mFragment.getPreferenceScreen().getPreferenceCount() - 1);
+        assertThat(accessibilityFooterPreference.getSummary()).isEqualTo(DEFAULT_SUMMARY);
+        assertThat(accessibilityFooterPreference.getIconContentDescription()).isEqualTo(
+                DEFAULT_DESCRIPTION);
+        assertThat(accessibilityFooterPreference.isSelectable()).isEqualTo(true);
+        assertThat(accessibilityFooterPreference.getOrder()).isEqualTo(Integer.MAX_VALUE - 1);
+    }
+
     private void putStringIntoSettings(String key, String componentName) {
         Settings.Secure.putString(mContext.getContentResolver(), key, componentName);
     }