[Expressive design] Add ZeroStatePreference

Bug: 367666403
Test: manual
Flag: EXEMPT resource only update
Change-Id: I90d5822758b2733e8c408f244304e4fa16093dcb

7 files changed, 222 insertions, 0 deletions

diff --git a/packages/SettingsLib/Android.bp b/packages/SettingsLib/Android.bp
index 0cb85d8638b0..0a5eb9bb9fce 100644
--- a/packages/SettingsLib/Android.bp
+++ b/packages/SettingsLib/Android.bp
@@ -53,6 +53,7 @@ android_library {
         "SettingsLibTwoTargetPreference",
         "SettingsLibUsageProgressBarPreference",
         "SettingsLibUtils",
+        "SettingsLibZeroStatePreference",
         "settingslib_media_flags_lib",
         "settingslib_flags_lib",
     ],
diff --git a/packages/SettingsLib/ZeroStatePreference/Android.bp b/packages/SettingsLib/ZeroStatePreference/Android.bp
new file mode 100644
index 000000000000..4fc00bdbfee0
--- /dev/null
+++ b/packages/SettingsLib/ZeroStatePreference/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: "SettingsLibZeroStatePreference",
+    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: "28",
+    apex_available: [
+        "//apex_available:platform",
+    ],
+}
diff --git a/packages/SettingsLib/ZeroStatePreference/AndroidManifest.xml b/packages/SettingsLib/ZeroStatePreference/AndroidManifest.xml
new file mode 100644
index 000000000000..51b0ab86c835
--- /dev/null
+++ b/packages/SettingsLib/ZeroStatePreference/AndroidManifest.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.
+  -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.settingslib.widget.preference.zerostate">
+
+    <uses-sdk android:minSdkVersion="28" />
+
+</manifest>
diff --git a/packages/SettingsLib/ZeroStatePreference/res/drawable/settingslib_expressive_zerostate_background.xml b/packages/SettingsLib/ZeroStatePreference/res/drawable/settingslib_expressive_zerostate_background.xml
new file mode 100644
index 000000000000..f42b4415c39e
--- /dev/null
+++ b/packages/SettingsLib/ZeroStatePreference/res/drawable/settingslib_expressive_zerostate_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.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="160dp"
+    android:height="160dp"
+    android:viewportWidth="161"
+    android:viewportHeight="161">
+    <path
+        android:pathData="M67.2,4.43C74.79,-1.41 85.35,-1.41 92.94,4.43L112.01,19.1C113.48,20.23 115.09,21.16 116.8,21.87L139.02,31.08C147.86,34.74 153.14,43.9 151.89,53.4L148.74,77.28C148.5,79.12 148.5,80.98 148.74,82.82L151.89,106.71C153.14,116.2 147.86,125.36 139.02,129.03L116.8,138.23C115.09,138.95 113.48,139.87 112.01,141L92.94,155.67C85.35,161.51 74.79,161.51 67.2,155.67L48.13,141C46.66,139.87 45.05,138.95 43.34,138.23L21.12,129.03C12.28,125.36 7,116.2 8.25,106.71L11.4,82.82C11.64,80.98 11.64,79.12 11.4,77.28L8.25,53.4C7,43.9 12.28,34.74 21.12,31.08L43.34,21.87C45.05,21.16 46.66,20.23 48.13,19.1L67.2,4.43Z"
+        android:fillColor="@color/settingslib_materialColorSurfaceContainerHigh"/>
+</vector>
diff --git a/packages/SettingsLib/ZeroStatePreference/res/layout/settingslib_expressive_preference_zerostate.xml b/packages/SettingsLib/ZeroStatePreference/res/layout/settingslib_expressive_preference_zerostate.xml
new file mode 100644
index 000000000000..c0b195cc1f74
--- /dev/null
+++ b/packages/SettingsLib/ZeroStatePreference/res/layout/settingslib_expressive_preference_zerostate.xml
@@ -0,0 +1,57 @@
+<?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:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_gravity="center"
+    android:gravity="center"
+    android:orientation="vertical">
+
+    <FrameLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        tools:ignore="ContentDescription">
+
+        <ImageView
+            android:layout_width="@dimen/settingslib_expressive_zero_state_background_size"
+            android:layout_height="@dimen/settingslib_expressive_zero_state_background_size"
+            android:src="@drawable/settingslib_expressive_zerostate_background"/>
+
+        <ImageView
+            android:id="@android:id/icon"
+            android:layout_width="@dimen/settingslib_expressive_space_large3"
+            android:layout_height="@dimen/settingslib_expressive_space_large3"
+            android:layout_gravity="center"/>
+
+    </FrameLayout>
+    <TextView
+        android:id="@android:id/title"
+        android:layout_width="@dimen/settingslib_expressive_zero_state_title_width"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:layout_marginTop="@dimen/settingslib_expressive_space_small4"/>
+    <TextView
+        android:id="@android:id/summary"
+        android:layout_width="@dimen/settingslib_expressive_zero_state_title_width"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:layout_marginTop="@dimen/settingslib_expressive_space_small4"
+        android:textAppearance="?android:attr/textAppearanceSmall"
+        android:textColor="?android:attr/textColorSecondary"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/packages/SettingsLib/ZeroStatePreference/res/values/dimens.xml b/packages/SettingsLib/ZeroStatePreference/res/values/dimens.xml
new file mode 100644
index 000000000000..e981eccf2be2
--- /dev/null
+++ b/packages/SettingsLib/ZeroStatePreference/res/values/dimens.xml
@@ -0,0 +1,20 @@
+<?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.
+-->
+
+<resources>
+    <dimen name="settingslib_expressive_zero_state_background_size">160dp</dimen>
+    <dimen name="settingslib_expressive_zero_state_title_width">316dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/packages/SettingsLib/ZeroStatePreference/src/com/android/settingslib/widget/ZeroStatePreference.kt b/packages/SettingsLib/ZeroStatePreference/src/com/android/settingslib/widget/ZeroStatePreference.kt
new file mode 100644
index 000000000000..9b1ccef9dadf
--- /dev/null
+++ b/packages/SettingsLib/ZeroStatePreference/src/com/android/settingslib/widget/ZeroStatePreference.kt
@@ -0,0 +1,62 @@
+/*
+ * 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.graphics.PorterDuff
+import android.graphics.PorterDuffColorFilter
+import android.graphics.drawable.Drawable
+import android.util.AttributeSet
+import android.widget.ImageView
+import androidx.preference.Preference
+import androidx.preference.PreferenceViewHolder
+
+import com.android.settingslib.widget.preference.zerostate.R
+
+class ZeroStatePreference @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0,
+    defStyleRes: Int = 0
+) : Preference(context, attrs, defStyleAttr, defStyleRes) {
+
+    private val iconTint: Int = context.getColor(
+        com.android.settingslib.widget.theme.R.color.settingslib_materialColorOnSecondaryContainer
+    )
+    private var tintedIcon: Drawable? = null
+
+    init {
+        isSelectable = false
+        layoutResource = R.layout.settingslib_expressive_preference_zerostate
+        icon?.let { originalIcon ->
+            tintedIcon = originalIcon.mutate().apply {
+                colorFilter = PorterDuffColorFilter(iconTint, PorterDuff.Mode.SRC_IN)
+            }
+        }
+    }
+
+    override fun onBindViewHolder(holder: PreferenceViewHolder) {
+        super.onBindViewHolder(holder)
+
+        holder.itemView.isFocusable = false
+        holder.itemView.isClickable = false
+
+        (holder.findViewById(android.R.id.icon) as? ImageView)?.apply {
+            setImageDrawable(tintedIcon ?: icon)
+        }
+    }
+}
\ No newline at end of file