[Expressive design] Add expandable preference
Bug: 367539940
Test: manual
Flag: EXEMPT resource only update
Change-Id: I94c9f277294477c05c0f430a0302b1f4690bf7b0
diff --git a/packages/SettingsLib/Android.bp b/packages/SettingsLib/Android.bp
index af07686..a36ec00 100644
--- a/packages/SettingsLib/Android.bp
+++ b/packages/SettingsLib/Android.bp
@@ -39,6 +39,7 @@
"SettingsLibDisplayUtils",
"SettingsLibEmergencyNumber",
"SettingsLibEntityHeaderWidgets",
+ "SettingsLibExpandablePreference",
"SettingsLibFooterPreference",
"SettingsLibHelpUtils",
"SettingsLibIllustrationPreference",
diff --git a/packages/SettingsLib/ExpandablePreference/Android.bp b/packages/SettingsLib/ExpandablePreference/Android.bp
new file mode 100644
index 0000000..e6de3f1
--- /dev/null
+++ b/packages/SettingsLib/ExpandablePreference/Android.bp
@@ -0,0 +1,33 @@
+package {
+ // See: http://go/android-license-faq
+ // A large-scale-change added 'default_applicable_licenses' to import
+ // all of the 'license_kinds' from "frameworks_base_license"
+ // to get the below license kinds:
+ // SPDX-license-identifier-Apache-2.0
+ default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_library {
+ name: "SettingsLibExpandablePreference",
+ use_resource_processor: true,
+ defaults: [
+ "SettingsLintDefaults",
+ ],
+
+ srcs: [
+ "src/**/*.java",
+ "src/**/*.kt",
+ ],
+ resource_dirs: ["res"],
+
+ static_libs: [
+ "androidx.annotation_annotation",
+ "androidx.preference_preference",
+ "SettingsLibSettingsTheme",
+ ],
+ sdk_version: "system_current",
+ min_sdk_version: "21",
+ apex_available: [
+ "//apex_available:platform",
+ ],
+}
diff --git a/packages/SettingsLib/ExpandablePreference/AndroidManifest.xml b/packages/SettingsLib/ExpandablePreference/AndroidManifest.xml
new file mode 100644
index 0000000..7bfa19b
--- /dev/null
+++ b/packages/SettingsLib/ExpandablePreference/AndroidManifest.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2020 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.settingslib.widget.preference.expandable">
+
+ <uses-sdk android:minSdkVersion="21" />
+
+</manifest>
diff --git a/packages/SettingsLib/ExpandablePreference/res/drawable/settingslib_ic_expand.xml b/packages/SettingsLib/ExpandablePreference/res/drawable/settingslib_ic_expand.xml
new file mode 100644
index 0000000..4502311
--- /dev/null
+++ b/packages/SettingsLib/ExpandablePreference/res/drawable/settingslib_ic_expand.xml
@@ -0,0 +1,37 @@
+<?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.
+ -->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+ <item>
+ <shape
+ android:shape="oval">
+ <size android:width="32dp" android:height="40dp"/>
+ <solid android:color="@color/settingslib_materialColorSurfaceContainer"/>
+ </shape>
+ </item>
+ <item>
+ <vector
+ android:width="32dp"
+ android:height="40dp"
+ android:viewportWidth="32"
+ android:viewportHeight="40">
+ <path
+ android:pathData="M16,23.063L11,18.063L12.063,17L16,20.938L19.938,17L21,18.063L16,23.063Z"
+ android:fillColor="@color/settingslib_materialColorOnSurface"/>
+ </vector>
+ </item>
+</layer-list>
\ No newline at end of file
diff --git a/packages/SettingsLib/ExpandablePreference/res/layout/settingslib_widget_expandable_icon.xml b/packages/SettingsLib/ExpandablePreference/res/layout/settingslib_widget_expandable_icon.xml
new file mode 100644
index 0000000..f7fefef
--- /dev/null
+++ b/packages/SettingsLib/ExpandablePreference/res/layout/settingslib_widget_expandable_icon.xml
@@ -0,0 +1,29 @@
+<?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"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:orientation="vertical">
+
+ <ImageView
+ android:id="@+id/expand_icon"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:src="@drawable/settingslib_ic_expand"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/packages/SettingsLib/ExpandablePreference/src/com/android/settingslib/widget/ExpandablePreference.kt b/packages/SettingsLib/ExpandablePreference/src/com/android/settingslib/widget/ExpandablePreference.kt
new file mode 100644
index 0000000..1b93ebe
--- /dev/null
+++ b/packages/SettingsLib/ExpandablePreference/src/com/android/settingslib/widget/ExpandablePreference.kt
@@ -0,0 +1,95 @@
+/*
+ * 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.settingslib.widget
+
+import android.content.Context
+import android.util.AttributeSet
+import android.widget.ImageView
+import androidx.preference.Preference
+import androidx.preference.PreferenceGroup
+import androidx.preference.PreferenceViewHolder
+import com.android.settingslib.widget.preference.expandable.R
+
+class ExpandablePreference @JvmOverloads constructor(
+ context: Context,
+ attrs: AttributeSet? = null,
+ defStyleAttr: Int = 0,
+ defStyleRes: Int = 0
+) : PreferenceGroup(context, attrs, defStyleAttr, defStyleRes), Expandable {
+
+ private var isExpanded = false
+ private var expandIcon: ImageView? = null
+ private var isDirty = true // Flag to track changes
+
+ init {
+ layoutResource = com.android.settingslib.widget.theme.R.layout.settingslib_expressive_preference
+ widgetLayoutResource = R.layout.settingslib_widget_expandable_icon
+ }
+
+ override fun onBindViewHolder(holder: PreferenceViewHolder) {
+ super.onBindViewHolder(holder)
+
+ holder.isDividerAllowedAbove = false
+ holder.isDividerAllowedBelow = false
+
+ expandIcon = holder.findViewById(R.id.expand_icon) as ImageView?
+
+ updateExpandedState()
+
+ holder.itemView.setOnClickListener { toggleExpansion() }
+ }
+
+ override fun addPreference(preference: Preference): Boolean {
+ preference.isVisible = isExpanded
+ return super.addPreference(preference)
+ }
+
+ override fun onPrepareAddPreference(preference: Preference): Boolean {
+ preference.isVisible = isExpanded
+ return super.onPrepareAddPreference(preference)
+ }
+
+ override fun isExpanded(): Boolean {
+ return isExpanded
+ }
+
+ private fun toggleExpansion() {
+ isExpanded = !isExpanded
+ isDirty = true // Mark as dirty when expansion state changes
+ updateExpandedState()
+ notifyChanged()
+ }
+
+ private fun updateExpandedState() {
+ expandIcon?.rotation = when (isExpanded) {
+ true -> ROTATION_EXPANDED
+ false -> ROTATION_COLLAPSED
+ }
+
+ if (isDirty) {
+ (0 until preferenceCount).forEach { i ->
+ getPreference(i).isVisible = isExpanded
+ }
+ isDirty = false
+ }
+ }
+
+ companion object {
+ private const val ROTATION_EXPANDED = 180f
+ private const val ROTATION_COLLAPSED = 0f
+ }
+}
\ No newline at end of file
diff --git a/packages/SettingsLib/SettingsTheme/src/com/android/settingslib/widget/Expandable.kt b/packages/SettingsLib/SettingsTheme/src/com/android/settingslib/widget/Expandable.kt
new file mode 100644
index 0000000..1f84118
--- /dev/null
+++ b/packages/SettingsLib/SettingsTheme/src/com/android/settingslib/widget/Expandable.kt
@@ -0,0 +1,21 @@
+/*
+ * 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.settingslib.widget
+
+interface Expandable {
+ fun isExpanded(): Boolean
+}
\ No newline at end of file