[Accessibility] Add contrast control screen UI and setup entry point
Bug: 241805782
Test: atest, local raven device
Screenshot: attached on bug
Flag: aconfig
com.android.settings.accessibility.enable_color_contrast_control
Change-Id: I7fcc01b822b460c6585c41a5831575ba0ffbcc93
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 57c577d..d7c1baa 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2472,6 +2472,22 @@
</activity>
<activity
+ android:name="Settings$ColorContrastActivity"
+ android:exported="true"
+ android:label="@string/accessibility_color_contrast_title">
+ <intent-filter>
+ <action android:name="android.settings.ACCESSIBILITY_COLOR_CONTRAST_SETTINGS" />
+ <category android:name="android.intent.category.DEFAULT" />
+ </intent-filter>
+ <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+ android:value="com.android.settings.accessibility.ColorContrastFragment" />
+ <meta-data android:name="com.android.settings.HIGHLIGHT_MENU_KEY"
+ android:value="@string/menu_key_accessibility"/>
+ <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
+ android:value="true" />
+ </activity>
+
+ <activity
android:name="Settings$TextToSpeechSettingsActivity"
android:exported="true"
android:label="@string/tts_settings">
diff --git a/aconfig/accessibility/accessibility_flags.aconfig b/aconfig/accessibility/accessibility_flags.aconfig
index 24e108e..2b843cd 100644
--- a/aconfig/accessibility/accessibility_flags.aconfig
+++ b/aconfig/accessibility/accessibility_flags.aconfig
@@ -30,3 +30,10 @@
description: "Don't show quick settings tooltip in SUW, since the user can't use quick settings there."
bug: "294560581"
}
+
+flag {
+ name: "enable_color_contrast_control"
+ namespace: "accessibility"
+ description: "Allows users to control color contrast in the Accessibility settings page."
+ bug: "246577325"
+}
diff --git a/res/drawable-night/ic_contrast_high.xml b/res/drawable-night/ic_contrast_high.xml
new file mode 100644
index 0000000..4d54df8
--- /dev/null
+++ b/res/drawable-night/ic_contrast_high.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ android:width="48dp"
+ android:height="48dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="@android:color/system_accent1_200"
+ android:pathData="M12,4C7,4 2.73,7.11 1,11.5C2.73,15.89 7,19 12,19s9.27,-3.11 11,-7.5C21.27,7.11 17,4 12,4zM12,16c-2.48,0 -4.5,-2.02 -4.5,-4.5S9.52,7 12,7s4.5,2.02 4.5,4.5S14.48,16 12,16z"/>
+ <path
+ android:fillColor="@android:color/system_accent1_50"
+ android:pathData="M12,11.5m-2.7,0a2.7,2.7 0,1 1,5.4 0a2.7,2.7 0,1 1,-5.4 0"/>
+</vector>
diff --git a/res/drawable-night/ic_contrast_medium.xml b/res/drawable-night/ic_contrast_medium.xml
new file mode 100644
index 0000000..dc8ddae
--- /dev/null
+++ b/res/drawable-night/ic_contrast_medium.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ android:width="48dp"
+ android:height="48dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="@android:color/system_accent1_400"
+ android:pathData="M12,4C7,4 2.73,7.11 1,11.5C2.73,15.89 7,19 12,19s9.27,-3.11 11,-7.5C21.27,7.11 17,4 12,4zM12,16c-2.48,0 -4.5,-2.02 -4.5,-4.5S9.52,7 12,7s4.5,2.02 4.5,4.5S14.48,16 12,16z"/>
+ <path
+ android:fillColor="@android:color/system_accent1_100"
+ android:pathData="M12,11.5m-2.7,0a2.7,2.7 0,1 1,5.4 0a2.7,2.7 0,1 1,-5.4 0"/>
+</vector>
diff --git a/res/drawable-night/ic_contrast_standard.xml b/res/drawable-night/ic_contrast_standard.xml
new file mode 100644
index 0000000..cdf61cf
--- /dev/null
+++ b/res/drawable-night/ic_contrast_standard.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ android:width="48dp"
+ android:height="48dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="@android:color/system_accent1_700"
+ android:pathData="M12,4C7,4 2.73,7.11 1,11.5C2.73,15.89 7,19 12,19s9.27,-3.11 11,-7.5C21.27,7.11 17,4 12,4zM12,16c-2.48,0 -4.5,-2.02 -4.5,-4.5S9.52,7 12,7s4.5,2.02 4.5,4.5S14.48,16 12,16z"/>
+ <path
+ android:fillColor="@android:color/system_accent1_200"
+ android:pathData="M12,11.5m-2.7,0a2.7,2.7 0,1 1,5.4 0a2.7,2.7 0,1 1,-5.4 0"/>
+</vector>
diff --git a/res/drawable/accessibility_contrast_button_background.xml b/res/drawable/accessibility_contrast_button_background.xml
new file mode 100644
index 0000000..281fcef
--- /dev/null
+++ b/res/drawable/accessibility_contrast_button_background.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<selector
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android">
+
+ <item android:state_selected="true">
+ <layer-list>
+ <item>
+ <shape android:shape="rectangle">
+ <solid android:color="?androidprv:attr/materialColorSurfaceContainerHighest" />
+ <stroke
+ android:color="?androidprv:attr/materialColorSecondary"
+ android:width="@dimen/contrast_button_stroke_width" />
+ <corners android:radius="@dimen/contrast_button_radius"/>
+ </shape>
+ </item>
+ <item
+ android:width="24dp"
+ android:height="24dp"
+ android:left="57dp"
+ android:top="57dp">
+ <vector
+ android:width="24dp"
+ android:height="24dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="?androidprv:attr/materialColorPrimary"
+ android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10c5.52,0 10,-4.48 10,-10S17.52,2 12,2zM10.59,16.6l-4.24,-4.24l1.41,-1.41l2.83,2.83l5.66,-5.66l1.41,1.41L10.59,16.6z"/>
+ </vector>
+ </item>
+ </layer-list>
+ </item>
+
+ <item>
+ <layer-list>
+ <item android:top="@dimen/contrast_button_stroke_width"
+ android:bottom="@dimen/contrast_button_stroke_width"
+ android:left="@dimen/contrast_button_stroke_width"
+ android:right="@dimen/contrast_button_stroke_width">
+ <shape android:shape="rectangle">
+ <solid android:color="?androidprv:attr/materialColorSurfaceContainerHighest" />
+ <corners android:radius="@dimen/contrast_button_radius"/>
+ </shape>
+ </item>
+ </layer-list>
+ </item>
+</selector>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_background.xml b/res/drawable/color_contrast_preview_background.xml
new file mode 100644
index 0000000..51d0ade
--- /dev/null
+++ b/res/drawable/color_contrast_preview_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="rectangle" >
+ <solid android:color="?androidprv:attr/materialColorSurfaceContainerHigh"/>
+ <corners android:radius="20dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_bottom_appbar_background.xml b/res/drawable/color_contrast_preview_bottom_appbar_background.xml
new file mode 100644
index 0000000..f3392fb
--- /dev/null
+++ b/res/drawable/color_contrast_preview_bottom_appbar_background.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="rectangle" >
+ <solid android:color="?androidprv:attr/materialColorSurfaceContainer"/>
+ <corners
+ android:bottomLeftRadius="20dp"
+ android:bottomRightRadius="20dp"
+ android:topLeftRadius="0dp"
+ android:topRightRadius="0dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_button_background.xml b/res/drawable/color_contrast_preview_button_background.xml
new file mode 100644
index 0000000..8b92087
--- /dev/null
+++ b/res/drawable/color_contrast_preview_button_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="rectangle" >
+ <solid android:color="?androidprv:attr/materialColorTertiaryContainer"/>
+ <corners android:radius="7dp" />
+</shape>
diff --git a/res/drawable/color_contrast_preview_dialog_background.xml b/res/drawable/color_contrast_preview_dialog_background.xml
new file mode 100644
index 0000000..f60a271
--- /dev/null
+++ b/res/drawable/color_contrast_preview_dialog_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="rectangle" >
+ <solid android:color="?androidprv:attr/materialColorSurfaceContainerLow"/>
+ <corners android:radius="12dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_icon_edit_background.xml b/res/drawable/color_contrast_preview_icon_edit_background.xml
new file mode 100644
index 0000000..14c5f3c
--- /dev/null
+++ b/res/drawable/color_contrast_preview_icon_edit_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="rectangle" >
+ <solid android:color="?androidprv:attr/materialColorPrimary"/>
+ <corners android:radius="20dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_icon_group_background.xml b/res/drawable/color_contrast_preview_icon_group_background.xml
new file mode 100644
index 0000000..b8554c1
--- /dev/null
+++ b/res/drawable/color_contrast_preview_icon_group_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="oval" >
+ <solid android:color="?androidprv:attr/materialColorSurfaceContainer"/>
+ <size android:width="36dp" android:height="36dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_icon_inbox_background.xml b/res/drawable/color_contrast_preview_icon_inbox_background.xml
new file mode 100644
index 0000000..45d8285
--- /dev/null
+++ b/res/drawable/color_contrast_preview_icon_inbox_background.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="rectangle" >
+ <solid android:color="?androidprv:attr/materialColorSecondaryContainer"/>
+ <corners android:radius="20dp" />
+ <size android:height="30dp" android:width="60dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_icon_star_background.xml b/res/drawable/color_contrast_preview_icon_star_background.xml
new file mode 100644
index 0000000..335ee88
--- /dev/null
+++ b/res/drawable/color_contrast_preview_icon_star_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="oval" >
+ <solid android:color="?androidprv:attr/materialColorPrimary"/>
+ <size android:width="36dp" android:height="36dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/color_contrast_preview_tag_background.xml b/res/drawable/color_contrast_preview_tag_background.xml
new file mode 100644
index 0000000..a7b051a
--- /dev/null
+++ b/res/drawable/color_contrast_preview_tag_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:shape="rectangle" >
+ <solid android:color="?androidprv:attr/materialColorSurfaceContainerHighest"/>
+ <corners android:radius="4dp" />
+</shape>
\ No newline at end of file
diff --git a/res/drawable/ic_article_24dp.xml b/res/drawable/ic_article_24dp.xml
new file mode 100644
index 0000000..0b38daa
--- /dev/null
+++ b/res/drawable/ic_article_24dp.xml
@@ -0,0 +1,27 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:width="24dp"
+ android:height="24dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal"
+ android:autoMirrored="true">
+<path
+ android:fillColor="?androidprv:attr/materialColorOnSurfaceVariant"
+ android:pathData="M19,5v14L5,19L5,5h14m0,-2L5,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM14,17L7,17v-2h7v2zM17,13L7,13v-2h10v2zM17,9L7,9L7,7h10v2z"/>
+</vector>
diff --git a/res/drawable/ic_article_filled_24dp.xml b/res/drawable/ic_article_filled_24dp.xml
new file mode 100644
index 0000000..e22d151
--- /dev/null
+++ b/res/drawable/ic_article_filled_24dp.xml
@@ -0,0 +1,26 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:width="18dp"
+ android:height="18dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="?androidprv:attr/materialColorOnTertiaryContainer"
+ android:pathData="M19,3H5C3.9,3 3,3.9 3,5v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2V5C21,3.9 20.1,3 19,3zM14,17H7v-2h7V17zM17,13H7v-2h10V13zM17,9H7V7h10V9z"/>
+</vector>
diff --git a/res/drawable/ic_chat_bubble_24dp.xml b/res/drawable/ic_chat_bubble_24dp.xml
new file mode 100644
index 0000000..c7ad6bf
--- /dev/null
+++ b/res/drawable/ic_chat_bubble_24dp.xml
@@ -0,0 +1,26 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:width="24dp"
+ android:height="24dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+<path
+ android:fillColor="?androidprv:attr/materialColorOnSurfaceVariant"
+ android:pathData="M20,2L4,2c-1.1,0 -2,0.9 -2,2v18l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM20,16L4,16L4,4h16v12z"/>
+</vector>
diff --git a/res/drawable/ic_color_contrast.xml b/res/drawable/ic_color_contrast.xml
new file mode 100644
index 0000000..9d56ada
--- /dev/null
+++ b/res/drawable/ic_color_contrast.xml
@@ -0,0 +1,35 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+ <item>
+ <com.android.settingslib.widget.AdaptiveIconShapeDrawable
+ android:width="@dimen/accessibility_icon_size"
+ android:height="@dimen/accessibility_icon_size"
+ android:color="@color/accessibility_feature_background"/>
+ </item>
+ <item android:gravity="center">
+ <vector
+ android:width="@dimen/accessibility_icon_foreground_size"
+ android:height="@dimen/accessibility_icon_foreground_size"
+ android:viewportWidth="24"
+ android:viewportHeight="24">
+ <path
+ android:fillColor="#ffffff"
+ android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10s10,-4.48 10,-10S17.52,2 12,2zM11,19.93C7.06,19.44 4,16.08 4,12s3.05,-7.44 7,-7.93V19.93zM13,4.07C14.03,4.2 15,4.52 15.87,5H13V4.07zM13,7h5.24c0.25,0.31 0.48,0.65 0.68,1H13V7zM13,10h6.74c0.08,0.33 0.15,0.66 0.19,1H13V10zM13,19.93V19h2.87C15,19.48 14.03,19.8 13,19.93zM18.24,17H13v-1h5.92C18.72,16.35 18.49,16.69 18.24,17zM19.74,14H13v-1h6.93C19.89,13.34 19.82,13.67 19.74,14z"/>
+ </vector>
+ </item>
+</layer-list>
\ No newline at end of file
diff --git a/res/drawable/ic_contrast_high.xml b/res/drawable/ic_contrast_high.xml
new file mode 100644
index 0000000..363f2a8
--- /dev/null
+++ b/res/drawable/ic_contrast_high.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ android:width="48dp"
+ android:height="48dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="@android:color/system_accent1_700"
+ android:pathData="M12,4C7,4 2.73,7.11 1,11.5C2.73,15.89 7,19 12,19s9.27,-3.11 11,-7.5C21.27,7.11 17,4 12,4zM12,16c-2.48,0 -4.5,-2.02 -4.5,-4.5S9.52,7 12,7s4.5,2.02 4.5,4.5S14.48,16 12,16z"/>
+ <path
+ android:fillColor="@android:color/system_accent1_900"
+ android:pathData="M12,11.5m-2.7,0a2.7,2.7 0,1 1,5.4 0a2.7,2.7 0,1 1,-5.4 0"/>
+</vector>
diff --git a/res/drawable/ic_contrast_medium.xml b/res/drawable/ic_contrast_medium.xml
new file mode 100644
index 0000000..04e48d0
--- /dev/null
+++ b/res/drawable/ic_contrast_medium.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ android:width="48dp"
+ android:height="48dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="@android:color/system_accent1_500"
+ android:pathData="M12,4C7,4 2.73,7.11 1,11.5C2.73,15.89 7,19 12,19s9.27,-3.11 11,-7.5C21.27,7.11 17,4 12,4zM12,16c-2.48,0 -4.5,-2.02 -4.5,-4.5S9.52,7 12,7s4.5,2.02 4.5,4.5S14.48,16 12,16z"/>
+ <path
+ android:fillColor="@android:color/system_accent1_700"
+ android:pathData="M12,11.5m-2.7,0a2.7,2.7 0,1 1,5.4 0a2.7,2.7 0,1 1,-5.4 0"/>
+</vector>
diff --git a/res/drawable/ic_contrast_standard.xml b/res/drawable/ic_contrast_standard.xml
new file mode 100644
index 0000000..9f0c5af
--- /dev/null
+++ b/res/drawable/ic_contrast_standard.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+android:width="48dp"
+android:height="48dp"
+android:viewportWidth="24"
+android:viewportHeight="24"
+android:tint="?attr/colorControlNormal">
+<path
+ android:fillColor="@android:color/system_accent1_100"
+ android:pathData="M12,4C7,4 2.73,7.11 1,11.5C2.73,15.89 7,19 12,19s9.27,-3.11 11,-7.5C21.27,7.11 17,4 12,4zM12,16c-2.48,0 -4.5,-2.02 -4.5,-4.5S9.52,7 12,7s4.5,2.02 4.5,4.5S14.48,16 12,16z"/>
+<path
+ android:fillColor="@android:color/system_accent1_600"
+ android:pathData="M12,11.5m-2.7,0a2.7,2.7 0,1 1,5.4 0a2.7,2.7 0,1 1,-5.4 0"/>
+</vector>
\ No newline at end of file
diff --git a/res/drawable/ic_edit_24dp.xml b/res/drawable/ic_edit_24dp.xml
new file mode 100644
index 0000000..c9dbfc3
--- /dev/null
+++ b/res/drawable/ic_edit_24dp.xml
@@ -0,0 +1,26 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:width="32dp"
+ android:height="32dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+<path
+ android:fillColor="?androidprv:attr/materialColorOnPrimary"
+ android:pathData="M20.41,4.94l-1.35,-1.35c-0.78,-0.78 -2.05,-0.78 -2.83,0L3,16.82L3,21h4.18L20.41,7.77c0.79,-0.78 0.79,-2.05 0,-2.83zM6.41,19.06L5,19v-1.36l9.82,-9.82 1.41,1.41 -9.82,9.83z"/>
+</vector>
diff --git a/res/drawable/ic_group_24dp.xml b/res/drawable/ic_group_24dp.xml
new file mode 100644
index 0000000..92815c2
--- /dev/null
+++ b/res/drawable/ic_group_24dp.xml
@@ -0,0 +1,26 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:width="20dp"
+ android:height="20dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="?androidprv:attr/materialColorSecondary"
+ android:pathData="M15,8c0,-1.42 -0.5,-2.73 -1.33,-3.76C14.09,4.1 14.53,4 15,4c2.21,0 4,1.79 4,4s-1.79,4 -4,4c-0.43,0 -0.84,-0.09 -1.23,-0.21c-0.03,-0.01 -0.06,-0.02 -0.1,-0.03C14.5,10.73 15,9.42 15,8zM16.66,13.13C18.03,14.06 19,15.32 19,17v3h4v-3C23,14.82 19.42,13.53 16.66,13.13zM9,4c2.21,0 4,1.79 4,4s-1.79,4 -4,4s-4,-1.79 -4,-4S6.79,4 9,4zM9,13c2.67,0 8,1.34 8,4v3H1v-3C1,14.34 6.33,13 9,13z"/>
+</vector>
diff --git a/res/drawable/ic_inbox_24dp.xml b/res/drawable/ic_inbox_24dp.xml
new file mode 100644
index 0000000..7800ea1
--- /dev/null
+++ b/res/drawable/ic_inbox_24dp.xml
@@ -0,0 +1,26 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:width="24dp"
+ android:height="24dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+<path
+ android:fillColor="?androidprv:attr/materialColorOnSecondaryContainer"
+ android:pathData="M19,3H5C3.9,3 3,3.9 3,5v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2V5C21,3.9 20.1,3 19,3zM19,5v9h-4.18c-0.41,1.16 -1.51,2 -2.82,2s-2.4,-0.84 -2.82,-2H5V5H19z"/>
+</vector>
diff --git a/res/drawable/ic_star_24dp.xml b/res/drawable/ic_star_24dp.xml
new file mode 100644
index 0000000..38535e6
--- /dev/null
+++ b/res/drawable/ic_star_24dp.xml
@@ -0,0 +1,26 @@
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:width="20dp"
+ android:height="20dp"
+ android:viewportWidth="24"
+ android:viewportHeight="24"
+ android:tint="?attr/colorControlNormal">
+ <path
+ android:fillColor="?androidprv:attr/materialColorOnPrimary"
+ android:pathData="M14.43,10l-2.43,-8l-2.43,8l-7.57,0l6.18,4.41l-2.35,7.59l6.17,-4.69l6.18,4.69l-2.35,-7.59l6.17,-4.41z"/>
+</vector>
diff --git a/res/layout/accessibility_color_contrast_preview.xml b/res/layout/accessibility_color_contrast_preview.xml
new file mode 100644
index 0000000..2646709
--- /dev/null
+++ b/res/layout/accessibility_color_contrast_preview.xml
@@ -0,0 +1,251 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+
+<androidx.constraintlayout.widget.ConstraintLayout
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ xmlns:app="http://schemas.android.com/apk/res-auto"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:paddingLeft="24dp"
+ android:paddingRight="24dp"
+ android:paddingBottom="24dp"
+ android:background="@drawable/color_contrast_preview_background">
+
+ <View
+ android:id="@+id/preview_background"
+ android:background="?androidprv:attr/materialColorSurface"
+ android:layout_width="0dp"
+ android:layout_height="0dp"
+
+ app:layout_constraintBottom_toTopOf="@+id/bottom_appbar_background"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintTop_toTopOf="parent" />
+
+ <TextView
+ android:id="@+id/preview"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:gravity="center_horizontal"
+ android:layout_margin="8dp"
+ android:textSize="14sp"
+ app:layout_constraintLeft_toLeftOf="parent"
+ app:layout_constraintRight_toRightOf="parent"
+ app:layout_constraintTop_toTopOf="parent"
+ android:textColor="?androidprv:attr/textColorPrimary"
+ android:text="@string/color_contrast_preview" />
+
+ <View
+ android:id="@+id/email_background"
+ android:layout_width="0dp"
+ android:layout_height="0dp"
+ android:layout_marginLeft="12dp"
+ android:layout_marginRight="12dp"
+ android:layout_marginTop="8dp"
+ android:layout_marginBottom="24dp"
+ android:background="@drawable/color_contrast_preview_dialog_background"
+ app:layout_constraintBottom_toTopOf="@+id/bottom_appbar_background"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintTop_toBottomOf="@+id/preview" />
+
+ <ImageView
+ android:id="@+id/ic_group"
+ android:contentDescription="@null"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="14dp"
+ android:layout_marginLeft="14dp"
+ android:padding="8dp"
+ android:src="@drawable/ic_group_24dp"
+ android:background="@drawable/color_contrast_preview_icon_group_background"
+ app:layout_constraintStart_toStartOf="@+id/email_background"
+ app:layout_constraintTop_toTopOf="@+id/email_background" />
+
+ <TextView
+ android:id="@+id/sender_name"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginLeft="8dp"
+ android:layout_marginTop="17dp"
+ android:textColor="?androidprv:attr/materialColorOnSurface"
+ android:textSize="12sp"
+ app:layout_constraintStart_toEndOf="@+id/ic_group"
+ app:layout_constraintTop_toTopOf="@+id/email_background"
+ android:text="@string/color_contrast_preview_sender_name" />
+
+ <TextView
+ android:id="@+id/date"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:textColor="?androidprv:attr/materialColorOnSurfaceVariant"
+ android:textSize="11sp"
+ app:layout_constraintStart_toStartOf="@+id/sender_name"
+ app:layout_constraintTop_toBottomOf="@+id/sender_name"
+ android:text="@string/color_contrast_preview_email_send_date" />
+
+ <TextView
+ android:id="@+id/email_tag"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginLeft="10dp"
+ android:textColor="?androidprv:attr/materialColorOnSurface"
+ android:background="@drawable/color_contrast_preview_tag_background"
+ android:textSize="11sp"
+ app:layout_constraintStart_toEndOf="@+id/sender_name"
+ app:layout_constraintTop_toTopOf="@+id/sender_name"
+ android:text="@string/color_contrast_preview_email_badge" />
+
+ <ImageView
+ android:id="@+id/ic_star"
+ android:contentDescription="@null"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="14dp"
+ android:layout_marginRight="14dp"
+ android:padding="8dp"
+ android:src="@drawable/ic_star_24dp"
+ android:background="@drawable/color_contrast_preview_icon_star_background"
+ app:layout_constraintEnd_toEndOf="@+id/email_background"
+ app:layout_constraintTop_toTopOf="@+id/email_background" />
+
+ <TextView
+ android:id="@+id/email_title"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginLeft="14dp"
+ android:layout_marginTop="62dp"
+ android:textColor="?androidprv:attr/materialColorOnSurface"
+ android:textSize="16sp"
+ app:layout_constraintStart_toStartOf="@+id/email_background"
+ app:layout_constraintTop_toTopOf="@+id/email_background"
+ android:text="@string/color_contrast_preview_email_title" />
+
+ <TextView
+ android:id="@+id/email_body"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:textColor="?androidprv:attr/materialColorOnSurfaceVariant"
+ android:textSize="12sp"
+ android:paddingBottom="8dp"
+ android:maxLines="2"
+ app:layout_constraintStart_toStartOf="@+id/email_title"
+ app:layout_constraintTop_toBottomOf="@+id/email_title"
+ android:text="@string/color_contrast_preview_email_body" />
+
+ <View
+ android:id="@+id/attachment_background"
+ android:layout_width="0dp"
+ android:layout_height="0dp"
+ android:background="@drawable/color_contrast_preview_button_background"
+ app:layout_constraintBottom_toBottomOf="@+id/ic_article_filled"
+ app:layout_constraintEnd_toEndOf="@+id/email_attachment"
+ app:layout_constraintStart_toStartOf="@+id/email_title"
+ app:layout_constraintTop_toBottomOf="@+id/email_body" />
+
+ <ImageView
+ android:id="@+id/ic_article_filled"
+ android:contentDescription="@null"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:src="@drawable/ic_article_filled_24dp"
+ android:padding="6dp"
+ app:layout_constraintStart_toStartOf="@+id/email_title"
+ app:layout_constraintTop_toBottomOf="@+id/email_body" />
+
+ <TextView
+ android:id="@+id/email_attachment"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:paddingRight="8dp"
+ android:textColor="?androidprv:attr/materialColorOnTertiaryContainer"
+ android:textSize="12sp"
+ app:layout_constraintStart_toEndOf="@+id/ic_article_filled"
+ app:layout_constraintTop_toTopOf="@+id/attachment_background"
+ app:layout_constraintBottom_toBottomOf="@+id/attachment_background"
+ android:text="@string/color_contrast_preview_email_attachment_name" />
+
+ <ImageView
+ android:id="@+id/ic_edit"
+ android:contentDescription="@null"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="48dp"
+ android:padding="27dp"
+ android:src="@drawable/ic_edit_24dp"
+ android:background="@drawable/color_contrast_preview_icon_edit_background"
+ app:layout_constraintEnd_toEndOf="@+id/email_background"
+ app:layout_constraintTop_toBottomOf="@+id/ic_star" />
+
+ <View
+ android:id="@+id/bottom_appbar_background"
+ android:layout_width="0dp"
+ android:layout_height="0dp"
+ android:background="@drawable/color_contrast_preview_bottom_appbar_background"
+ app:layout_constraintBottom_toBottomOf="@+id/ic_inbox"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintTop_toTopOf="@+id/ic_inbox" />
+
+ <ImageView
+ android:contentDescription="@null"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:src="@drawable/color_contrast_preview_icon_inbox_background"
+ app:layout_constraintBottom_toBottomOf="@+id/ic_inbox"
+ app:layout_constraintEnd_toEndOf="@+id/ic_inbox"
+ app:layout_constraintStart_toStartOf="@+id/ic_inbox"
+ app:layout_constraintTop_toTopOf="@+id/ic_inbox" />
+
+ <ImageView
+ android:id="@+id/ic_inbox"
+ android:contentDescription="@null"
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="42dp"
+ android:padding="24dp"
+ android:src="@drawable/ic_inbox_24dp"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintEnd_toStartOf="@+id/ic_article"
+ app:layout_constraintTop_toBottomOf="@+id/ic_article_filled" />
+
+ <ImageView
+ android:id="@+id/ic_article"
+ android:contentDescription="@null"
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:padding="24dp"
+ android:src="@drawable/ic_article_24dp"
+ app:layout_constraintStart_toEndOf="@+id/ic_inbox"
+ app:layout_constraintEnd_toStartOf="@+id/ic_chat_bubble"
+ app:layout_constraintTop_toTopOf="@id/ic_inbox"
+ app:layout_constraintBottom_toBottomOf="@id/ic_inbox" />
+
+ <ImageView
+ android:id="@+id/ic_chat_bubble"
+ android:contentDescription="@null"
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:padding="24dp"
+ android:src="@drawable/ic_chat_bubble_24dp"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintStart_toEndOf="@+id/ic_article"
+ app:layout_constraintTop_toTopOf="@id/ic_inbox"
+ app:layout_constraintBottom_toBottomOf="@id/ic_inbox" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/res/layout/accessibility_color_contrast_selector.xml b/res/layout/accessibility_color_contrast_selector.xml
new file mode 100644
index 0000000..f7ba28b
--- /dev/null
+++ b/res/layout/accessibility_color_contrast_selector.xml
@@ -0,0 +1,147 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+
+<LinearLayout
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+ android:orientation="vertical"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
+ <FrameLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:paddingVertical="@dimen/settingslib_illustration_padding"
+ android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+ android:paddingStart="?android:attr/listPreferredItemPaddingStart">
+
+ <include layout="@layout/accessibility_color_contrast_preview" />
+ </FrameLayout>
+
+ <LinearLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:orientation="horizontal">
+
+ <Space
+ android:layout_width="0dp"
+ android:layout_height="match_parent"
+ android:layout_weight="1"/>
+
+ <LinearLayout
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:orientation="vertical">
+
+ <FrameLayout
+ android:id="@+id/contrast_button_default"
+ android:layout_width="@dimen/contrast_button_total_size"
+ android:layout_height="@dimen/contrast_button_total_size"
+ android:background="@drawable/accessibility_contrast_button_background">
+
+ <ImageView
+ android:layout_gravity="center"
+ android:layout_height="wrap_content"
+ android:layout_width="wrap_content"
+ android:contentDescription="@string/contrast_default"
+ android:src="@drawable/ic_contrast_standard"/>
+ </FrameLayout>
+
+ <TextView
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="@dimen/contrast_button_text_spacing"
+ android:gravity="center_horizontal|top"
+ android:textSize="@dimen/contrast_button_text_size"
+ android:text="@string/contrast_default"
+ android:textColor="?androidprv:attr/materialColorOnSurface"/>
+ </LinearLayout>
+
+ <Space
+ android:layout_width="@dimen/contrast_button_horizontal_spacing"
+ android:layout_height="match_parent" />
+
+ <LinearLayout
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:orientation="vertical">
+
+ <FrameLayout
+ android:id="@+id/contrast_button_medium"
+ android:layout_width="@dimen/contrast_button_total_size"
+ android:layout_height="@dimen/contrast_button_total_size"
+ android:background="@drawable/accessibility_contrast_button_background">
+
+ <ImageView
+ android:layout_gravity="center"
+ android:layout_height="wrap_content"
+ android:layout_width="wrap_content"
+ android:contentDescription="@string/contrast_medium"
+ android:src="@drawable/ic_contrast_medium"/>
+ </FrameLayout>
+
+ <TextView
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="@dimen/contrast_button_text_spacing"
+ android:gravity="center_horizontal|top"
+ android:textSize="@dimen/contrast_button_text_size"
+ android:text="@string/contrast_medium"
+ android:textColor="?androidprv:attr/materialColorOnSurface"/>
+ </LinearLayout>
+
+ <Space
+ android:layout_width="@dimen/contrast_button_horizontal_spacing"
+ android:layout_height="match_parent" />
+
+ <LinearLayout
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:orientation="vertical">
+
+ <FrameLayout
+ android:id="@+id/contrast_button_high"
+ android:layout_width="@dimen/contrast_button_total_size"
+ android:layout_height="@dimen/contrast_button_total_size"
+ android:background="@drawable/accessibility_contrast_button_background">
+
+ <ImageView
+ android:layout_gravity="center"
+ android:layout_height="wrap_content"
+ android:layout_width="wrap_content"
+ android:contentDescription="@string/contrast_high"
+ android:src="@drawable/ic_contrast_high"/>
+ </FrameLayout>
+
+ <TextView
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="@dimen/contrast_button_text_spacing"
+ android:gravity="center_horizontal|top"
+ android:textSize="@dimen/contrast_button_text_size"
+ android:text="@string/contrast_high"
+ android:textColor="?androidprv:attr/materialColorOnSurface"/>
+ </LinearLayout>
+
+ <Space
+ android:layout_width="0dp"
+ android:layout_height="match_parent"
+ android:layout_weight="1"/>
+ </LinearLayout>
+
+</LinearLayout>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 4b96486..bdf329c 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -477,4 +477,13 @@
<!-- Credential Manager settings dimensions -->
<dimen name="credman_primary_provider_pref_left_padding">80dp</dimen>
<dimen name="credman_primary_provider_pref_left_padding_compact">24dp</dimen>
+
+ <!-- Color contrast screen -->
+ <dimen name="contrast_button_total_size">90dp</dimen>
+ <dimen name="contrast_button_inner_size">82dp</dimen>
+ <dimen name="contrast_button_radius">20dp</dimen>
+ <dimen name="contrast_button_stroke_width">2dp</dimen>
+ <dimen name="contrast_button_text_size">14sp</dimen>
+ <dimen name="contrast_button_text_spacing">4dp</dimen>
+ <dimen name="contrast_button_horizontal_spacing">16dp</dimen>
</resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 5873b1a..32a3e03 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -4599,6 +4599,28 @@
<string name="display_category_title">Display</string>
<!-- Title for the accessibility color and motion page. [CHAR LIMIT=50] -->
<string name="accessibility_color_and_motion_title">Color and motion</string>
+ <!-- Title for the accessibility color contrast page. [CHAR LIMIT=50] -->
+ <string name="accessibility_color_contrast_title">Color contrast</string>
+ <!-- Intro for the accessibility color contrast page. [CHAR LIMIT=NONE] -->
+ <string name="accessibility_color_contrast_intro">Higher contrast makes text, buttons, and icons stand out more. Choose the contrast that looks best to you.</string>
+ <!-- Notes in color contrast page footer for something should be aware. [CHAR LIMIT=NONE] -->
+ <string name="color_contrast_note">Some apps may not support all color and text contrast settings</string>
+ <!-- Summary for the accessibility color setting. [CHAR LIMIT=NONE] -->
+ <string name="accessibility_color_contrast_summary">Adjust how colors and text look against your screen\'s background color</string>
+ <!-- Preview screen title on the color contrast page. [CHAR LIMIT=20] -->
+ <string name="color_contrast_preview">Preview</string>
+ <!-- Preview screen email sender's name on the color contrast page. [CHAR LIMIT=15] -->
+ <string name="color_contrast_preview_sender_name">Helen, Adam</string>
+ <!-- Preview screen email sent date on the color contrast page. [CHAR LIMIT=15] -->
+ <string name="color_contrast_preview_email_send_date">2 days ago</string>
+ <!-- Preview screen email badge on the contrast page. [CHAR LIMIT=15] -->
+ <string name="color_contrast_preview_email_badge">Follow up?</string>
+ <!-- Preview screen email title on the contrast page. [CHAR LIMIT=30] -->
+ <string name="color_contrast_preview_email_title">Business trip report</string>
+ <!-- Preview screen email body on the contrast page. [CHAR LIMIT=NONE] -->
+ <string name="color_contrast_preview_email_body">For further assistance, please reach out to \nmyself or Helen. This report will be</string>
+ <!-- Preview screen email attachment name on the contrast page. [CHAR LIMIT=30] -->
+ <string name="color_contrast_preview_email_attachment_name">Client Expenses</string>
<!-- Title for the accessibility text options page. [CHAR LIMIT=50] -->
<string name="accessibility_turn_screen_darker_title">Turn screen darker</string>
<!-- Title for the accessibility preference category of interaction control services and settings. [CHAR LIMIT=50] -->
@@ -12828,6 +12850,8 @@
<string name="contrast_title">Contrast</string>
<!-- 'Standard' contrast option [CHAR LIMIT=20] -->
<string name="contrast_standard">Standard</string>
+ <!-- 'Default' contrast option [CHAR LIMIT=20] -->
+ <string name="contrast_default">Default</string>
<!-- 'Medium' contrast option [CHAR LIMIT=20] -->
<string name="contrast_medium">Medium</string>
<!-- 'High' contrast option [CHAR LIMIT=20] -->
diff --git a/res/xml/accessibility_color_and_motion.xml b/res/xml/accessibility_color_and_motion.xml
index a500b72..3522234 100644
--- a/res/xml/accessibility_color_and_motion.xml
+++ b/res/xml/accessibility_color_and_motion.xml
@@ -22,6 +22,16 @@
android:title="@string/accessibility_color_and_motion_title">
<Preference
+ android:fragment="com.android.settings.accessibility.ColorContrastFragment"
+ android:key="color_contrast"
+ android:icon="@drawable/ic_color_contrast"
+ android:persistent="false"
+ android:title="@string/accessibility_color_contrast_title"
+ android:summary="@string/accessibility_color_contrast_summary"
+ settings:controller="com.android.settings.accessibility.ContrastPreferenceController"
+ settings:searchable="true"/>
+
+ <Preference
android:fragment="com.android.settings.accessibility.ToggleDaltonizerPreferenceFragment"
android:icon="@drawable/ic_daltonizer"
android:key="daltonizer_preference"
diff --git a/res/xml/accessibility_color_contrast.xml b/res/xml/accessibility_color_contrast.xml
new file mode 100644
index 0000000..427481e
--- /dev/null
+++ b/res/xml/accessibility_color_contrast.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ ~ Copyright (C) 2024 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.
+ -->
+
+<PreferenceScreen
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:settings="http://schemas.android.com/apk/res-auto"
+ android:persistent="false"
+ android:title="@string/accessibility_color_contrast_title">
+
+ <com.android.settingslib.widget.TopIntroPreference
+ android:title="@string/accessibility_color_contrast_intro" />
+
+ <com.android.settingslib.widget.LayoutPreference
+ android:key="color_contrast_selector"
+ android:selectable="false"
+ android:layout="@layout/accessibility_color_contrast_selector"
+ settings:controller="com.android.settings.accessibility.ContrastSelectorPreferenceController"/>
+
+ <com.android.settings.accessibility.AccessibilityFooterPreference
+ android:title="@string/color_contrast_note"
+ android:selectable="false"
+ settings:searchable="false"/>
+
+</PreferenceScreen>
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 63ce331..92e3efd 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -117,6 +117,8 @@
public static class TextReadingSettingsActivity extends SettingsActivity { /* empty */ }
/** Activity for text color and motion settings. */
public static class ColorAndMotionActivity extends SettingsActivity { /* empty */ }
+ /** Activity for color contrast settings. */
+ public static class ColorContrastActivity extends SettingsActivity { /* empty */ }
/** Activity for the security dashboard. */
public static class SecurityDashboardActivity extends SettingsActivity {
diff --git a/src/com/android/settings/accessibility/ColorContrastFragment.java b/src/com/android/settings/accessibility/ColorContrastFragment.java
new file mode 100644
index 0000000..a572657
--- /dev/null
+++ b/src/com/android/settings/accessibility/ColorContrastFragment.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2024 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 com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+/** Accessibility settings for color contrast. */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class ColorContrastFragment extends DashboardFragment {
+
+ private static final String TAG = "ColorContrastFragment";
+
+
+ @Override
+ protected int getPreferenceScreenResId() {
+ return R.xml.accessibility_color_contrast;
+ }
+
+ @Override
+ protected String getLogTag() {
+ return TAG;
+ }
+
+ @Override
+ public int getMetricsCategory() {
+ // TODO(b/326539398): Add metrics tracking for color contrast.
+ return 0;
+ }
+
+ public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+ new BaseSearchIndexProvider(R.xml.accessibility_color_contrast);
+}
diff --git a/src/com/android/settings/accessibility/ContrastPreferenceController.java b/src/com/android/settings/accessibility/ContrastPreferenceController.java
new file mode 100644
index 0000000..4e9a9ec
--- /dev/null
+++ b/src/com/android/settings/accessibility/ContrastPreferenceController.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2024 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 android.content.Context;
+
+import androidx.annotation.NonNull;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Controller for {@link ColorContrastFragment}.
+ */
+public class ContrastPreferenceController extends BasePreferenceController {
+
+ public ContrastPreferenceController(@NonNull Context context, @NonNull String preferenceKey) {
+ super(context, preferenceKey);
+ }
+
+ @Override
+ public int getAvailabilityStatus() {
+ return Flags.enableColorContrastControl() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+ }
+}
diff --git a/src/com/android/settings/accessibility/ContrastSelectorPreferenceController.java b/src/com/android/settings/accessibility/ContrastSelectorPreferenceController.java
new file mode 100644
index 0000000..b99680f
--- /dev/null
+++ b/src/com/android/settings/accessibility/ContrastSelectorPreferenceController.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2024 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 android.app.UiModeManager.ContrastUtils.CONTRAST_LEVEL_HIGH;
+import static android.app.UiModeManager.ContrastUtils.CONTRAST_LEVEL_MEDIUM;
+import static android.app.UiModeManager.ContrastUtils.CONTRAST_LEVEL_STANDARD;
+import static android.app.UiModeManager.ContrastUtils.fromContrastLevel;
+import static android.app.UiModeManager.ContrastUtils.toContrastLevel;
+
+import android.app.UiModeManager;
+import android.content.Context;
+import android.provider.Settings;
+import android.view.View;
+import android.widget.FrameLayout;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
+import com.android.settingslib.widget.LayoutPreference;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.Executor;
+
+/**
+ * Controller for contrast selector.
+ */
+public class ContrastSelectorPreferenceController extends BasePreferenceController
+ implements LifecycleObserver, OnStart, OnStop, UiModeManager.ContrastChangeListener {
+
+ private static final String KEY_COLOR_CONTRAST_SELECTOR = "color_contrast_selector";
+
+ private final Executor mMainExecutor;
+ private final UiModeManager mUiModeManager;
+ private Map<Integer, FrameLayout> mContrastButtons = new HashMap<>();
+
+ public ContrastSelectorPreferenceController(@NonNull Context context,
+ @NonNull String preferenceKey) {
+ super(context, preferenceKey);
+
+ mMainExecutor = mContext.getMainExecutor();
+ mUiModeManager = mContext.getSystemService(UiModeManager.class);
+ }
+
+ @Override
+ public void displayPreference(@NonNull PreferenceScreen screen) {
+ super.displayPreference(screen);
+
+ final LayoutPreference mLayoutPreference =
+ screen.findPreference(KEY_COLOR_CONTRAST_SELECTOR);
+
+ mContrastButtons = Map.ofEntries(
+ Map.entry(CONTRAST_LEVEL_STANDARD,
+ mLayoutPreference.findViewById(R.id.contrast_button_default)),
+ Map.entry(CONTRAST_LEVEL_MEDIUM,
+ mLayoutPreference.findViewById(R.id.contrast_button_medium)),
+ Map.entry(CONTRAST_LEVEL_HIGH,
+ mLayoutPreference.findViewById(R.id.contrast_button_high))
+ );
+
+ mContrastButtons.forEach((contrastLevel, contrastButton) -> {
+ contrastButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(@Nullable View v) {
+ Settings.Secure.putFloat(mContext.getContentResolver(),
+ Settings.Secure.CONTRAST_LEVEL,
+ fromContrastLevel(contrastLevel));
+ }
+ });
+ });
+
+ highlightContrast(toContrastLevel(mUiModeManager.getContrast()));
+ }
+
+ @Override
+ public int getAvailabilityStatus() {
+ // The main preferences screen is feature guarded, so this always returns AVAILABLE.
+ return AVAILABLE;
+ }
+
+ @Override
+ public void onStart() {
+ mUiModeManager.addContrastChangeListener(mMainExecutor, this);
+ }
+
+ @Override
+ public void onStop() {
+ mUiModeManager.removeContrastChangeListener(this);
+ }
+
+ @Override
+ public void onContrastChanged(float contrast) {
+ highlightContrast(toContrastLevel(contrast));
+ }
+
+ private void highlightContrast(int contrast) {
+ mContrastButtons.forEach((level, button) -> {
+ button.setSelected(level == contrast);
+ });
+ }
+}
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index e3131f7..1b6c231 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -29,6 +29,7 @@
import com.android.settings.accessibility.AccessibilitySettingsForSetupWizard;
import com.android.settings.accessibility.CaptioningPropertiesFragment;
import com.android.settings.accessibility.ColorAndMotionFragment;
+import com.android.settings.accessibility.ColorContrastFragment;
import com.android.settings.accessibility.TextReadingPreferenceFragment;
import com.android.settings.accessibility.TextReadingPreferenceFragmentForSetupWizard;
import com.android.settings.accessibility.ToggleColorInversionPreferenceFragment;
@@ -381,6 +382,7 @@
TurnScreenOnDetails.class.getName(),
NfcAndPaymentFragment.class.getName(),
ColorAndMotionFragment.class.getName(),
+ ColorContrastFragment.class.getName(),
LongBackgroundTasksDetails.class.getName(),
RegionalPreferencesEntriesFragment.class.getName(),
BatteryInfoFragment.class.getName(),
diff --git a/tests/robotests/src/com/android/settings/accessibility/ColorContrastFragmentTest.java b/tests/robotests/src/com/android/settings/accessibility/ColorContrastFragmentTest.java
new file mode 100644
index 0000000..f903745
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/accessibility/ColorContrastFragmentTest.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2024 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 static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.app.UiModeManager;
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+import com.android.settings.testutils.XmlTestUtils;
+
+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 java.util.List;
+
+/** Tests for {@link ColorContrastFragment}. */
+@RunWith(RobolectricTestRunner.class)
+public class ColorContrastFragmentTest {
+
+ private ColorContrastFragment mFragment;
+ private Context mContext;
+ @Mock
+ private UiModeManager mUiService;
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+
+ mFragment = spy(new ColorContrastFragment());
+ mContext = spy(ApplicationProvider.getApplicationContext());
+ when(mFragment.getContext()).thenReturn(mContext);
+ when(mContext.getSystemService(UiModeManager.class)).thenReturn(mUiService);
+ }
+
+ @Test
+ public void getMetricsCategory_returnsCorrectCategory() {
+ assertThat(mFragment.getMetricsCategory()).isEqualTo(0);
+ }
+
+ @Test
+ public void getPreferenceScreenResId_returnsCorrectXml() {
+ assertThat(mFragment.getPreferenceScreenResId()).isEqualTo(
+ R.xml.accessibility_color_contrast);
+ }
+
+ @Test
+ public void getLogTag_returnsCorrectTag() {
+ assertThat(mFragment.getLogTag()).isEqualTo("ColorContrastFragment");
+ }
+
+ @Test
+ public void getNonIndexableKeys_existInXmlLayout() {
+ final List<String> niks =
+ ShortcutsSettingsFragment.SEARCH_INDEX_DATA_PROVIDER
+ .getNonIndexableKeys(mContext);
+ final List<String> keys =
+ XmlTestUtils.getKeysFromPreferenceXml(mContext,
+ R.xml.accessibility_color_contrast);
+ assertThat(keys).containsAtLeastElementsIn(niks);
+ }
+}
diff --git a/tests/robotests/src/com/android/settings/accessibility/ContrastPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/ContrastPreferenceControllerTest.java
new file mode 100644
index 0000000..219f3d9
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/accessibility/ContrastPreferenceControllerTest.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2024 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.platform.test.flag.junit.CheckFlagsRule;
+import android.platform.test.flag.junit.DeviceFlagsValueProvider;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link ContrastPreferenceController}. */
+@RunWith(RobolectricTestRunner.class)
+public class ContrastPreferenceControllerTest {
+
+ @Rule
+ public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();
+ @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+ private static final String PREFERENCE_KEY = "preference_key";
+
+ private Context mContext;
+ private ContrastPreferenceController mController;
+
+ @Before
+ public void setUp() {
+ mContext = ApplicationProvider.getApplicationContext();
+ mController = new ContrastPreferenceController(mContext, PREFERENCE_KEY);
+ }
+
+ @Test
+ public void getAvailabilityStatus_flagsEnabled_shouldReturnAvailable() {
+ mSetFlagsRule.enableFlags(Flags.FLAG_ENABLE_COLOR_CONTRAST_CONTROL);
+
+ assertThat(mController.getAvailabilityStatus())
+ .isEqualTo(BasePreferenceController.AVAILABLE);
+ }
+
+ @Test
+ public void getAvailabilityStatus_flagsDisabled_shouldReturnUnsupported() {
+ mSetFlagsRule.disableFlags(Flags.FLAG_ENABLE_COLOR_CONTRAST_CONTROL);
+
+ assertThat(mController.getAvailabilityStatus())
+ .isEqualTo(BasePreferenceController.UNSUPPORTED_ON_DEVICE);
+ }
+}
diff --git a/tests/robotests/src/com/android/settings/accessibility/ContrastSelectorPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/ContrastSelectorPreferenceControllerTest.java
new file mode 100644
index 0000000..38d6e80
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/accessibility/ContrastSelectorPreferenceControllerTest.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2024 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 static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.UiModeManager;
+import android.content.Context;
+import android.widget.FrameLayout;
+
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settingslib.widget.LayoutPreference;
+
+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 java.util.concurrent.Executor;
+
+/** Tests for {@link ContrastSelectorPreferenceController}. */
+@RunWith(RobolectricTestRunner.class)
+public class ContrastSelectorPreferenceControllerTest {
+
+ private static final String PREFERENCE_KEY = "color_contrast_selector";
+
+ @Mock
+ private UiModeManager mUiService;
+ @Mock
+ private Executor mExecutor;
+ @Mock
+ private PreferenceScreen mScreen;
+ @Mock
+ private FrameLayout mFrameLayout;
+ @Mock
+ private LayoutPreference mLayoutPreference;
+ private Context mContext;
+ private ContrastSelectorPreferenceController mController;
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+
+ mContext = spy(ApplicationProvider.getApplicationContext());
+ when(mContext.getMainExecutor()).thenReturn(mExecutor);
+ when(mContext.getSystemService(UiModeManager.class)).thenReturn(mUiService);
+ mController = new ContrastSelectorPreferenceController(mContext, PREFERENCE_KEY);
+ when(mScreen.findPreference(PREFERENCE_KEY)).thenReturn(mLayoutPreference);
+ when(mLayoutPreference.findViewById(anyInt())).thenReturn(mFrameLayout);
+ }
+
+ @Test
+ public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+ assertThat(mController.getAvailabilityStatus())
+ .isEqualTo(BasePreferenceController.AVAILABLE);
+ }
+
+ @Test
+ public void onStart_shouldAddContrastListener() {
+ mController.displayPreference(mScreen);
+ mController.onStart();
+
+ verify(mUiService).addContrastChangeListener(mExecutor, mController);
+ }
+
+ @Test
+ public void onStop_shouldRemoveContrastListener() {
+ mController.displayPreference(mScreen);
+ mController.onStart();
+ mController.onStop();
+
+ verify(mUiService).removeContrastChangeListener(mController);
+ }
+
+ @Test
+ public void displayPreference_shouldAddClickListener() {
+ mController.displayPreference(mScreen);
+
+ verify(mFrameLayout, times(3)).setOnClickListener(any());
+ }
+
+ @Test
+ public void onContrastChanged_buttonShouldBeSelected() {
+ mController.displayPreference(mScreen);
+ mController.onContrastChanged(1);
+
+ verify(mFrameLayout, times(2)).setSelected(true);
+ }
+}