Add AppHeaderPreference

Add a Preference widget for pages need to show big apps icon and name in
the header of the page.

BUG: 239779252

Test: add a simialr test like AppPreference

Change-Id: I296b0ed7b9c7645f31a9080c29da490b843494b0

7 files changed, 348 insertions, 14 deletions

diff --git a/packages/SettingsLib/AppPreference/res/layout/app_header_preference.xml b/packages/SettingsLib/AppPreference/res/layout/app_header_preference.xml
new file mode 100644
index 000000000000..a2389a9b83a2
--- /dev/null
+++ b/packages/SettingsLib/AppPreference/res/layout/app_header_preference.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2022 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.
+  -->
+
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingTop="24dp"
+    android:paddingBottom="16dp"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+    android:orientation="horizontal">
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:gravity="center_horizontal"
+        android:orientation="vertical">
+
+        <ImageView
+            android:id="@android:id/icon"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:scaleType="fitCenter"
+            android:antialias="true"/>
+
+        <TextView
+            android:id="@android:id/title"
+            style="@style/TextAppearance.EntityHeaderTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:singleLine="false"
+            android:gravity="center"
+            android:ellipsize="marquee"
+            android:textDirection="locale"
+            android:layout_marginTop="8dp"/>
+
+        <TextView
+            android:id="@+id/install_type"
+            style="@style/TextAppearance.EntityHeaderSummary"
+            android:visibility="gone"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="2dp"
+            android:text="@string/install_type_instant"/>
+
+        <TextView
+            android:id="@android:id/summary"
+            style="@style/TextAppearance.EntityHeaderSummary"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="2dp"
+            android:singleLine="false"
+            android:textAlignment="center"/>
+
+        <TextView
+            android:id="@+id/second_summary"
+            style="@style/TextAppearance.EntityHeaderSummary"
+            android:singleLine="false"
+            android:maxLines="4"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+
+    </LinearLayout>
+
+</RelativeLayout>
diff --git a/packages/SettingsLib/AppPreference/res/values/strings.xml b/packages/SettingsLib/AppPreference/res/values/strings.xml
new file mode 100644
index 000000000000..ca148c00bbb5
--- /dev/null
+++ b/packages/SettingsLib/AppPreference/res/values/strings.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!--
+  ~ Copyright (C) 2022 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 xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <!-- Added as the value of a header field indicating this is an instant app (as opposed to installed normally) -->
+    <string name="install_type_instant">Instant app</string>
+</resources>
diff --git a/packages/SettingsLib/AppPreference/src/com/android/settingslib/widget/AppHeaderPreference.java b/packages/SettingsLib/AppPreference/src/com/android/settingslib/widget/AppHeaderPreference.java
new file mode 100644
index 000000000000..60d00da29755
--- /dev/null
+++ b/packages/SettingsLib/AppPreference/src/com/android/settingslib/widget/AppHeaderPreference.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2022 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.text.TextUtils;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
+
+/**
+ * The Preference for the pages need to show big apps icon and name in the header of the page.
+ */
+public class AppHeaderPreference extends Preference {
+
+    private boolean mIsInstantApp;
+    private CharSequence mSecondSummary;
+
+    public AppHeaderPreference(Context context, AttributeSet attrs, int defStyleAttr,
+                               int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        init();
+    }
+
+    public AppHeaderPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    public AppHeaderPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public AppHeaderPreference(Context context) {
+        super(context);
+        init();
+    }
+
+    private void init() {
+        setLayoutResource(R.layout.app_header_preference);
+        setSelectable(false);
+        setIsInstantApp(false);
+    }
+
+    /**
+     * Returns the installation type of this preference.
+     *
+     * @return whether the app is an instant app
+     * @see #setIsInstantApp(boolean)
+     */
+    public boolean getIsInstantApp() {
+        return mIsInstantApp;
+    }
+
+    /**
+     * Sets the installation type for this preference with a boolean.
+     *
+     * @param isInstantApp whether the app is an instant app
+     */
+    public void setIsInstantApp(@NonNull boolean isInstantApp) {
+        if (mIsInstantApp != isInstantApp) {
+            mIsInstantApp = isInstantApp;
+            notifyChanged();
+        }
+    }
+
+    /**
+     * Returns the second summary of this preference.
+     *
+     * @return The second summary
+     * @see #setSecondSummary(CharSequence)
+     */
+    @Nullable
+    public CharSequence getSecondSummary() {
+        return mSecondSummary;
+    }
+
+    /**
+     * Sets the second summary for this preference with a CharSequence.
+     *
+     * @param secondSummary The second summary for the preference
+     */
+    public void setSecondSummary(@Nullable CharSequence secondSummary) {
+        if (!TextUtils.equals(mSecondSummary, secondSummary)) {
+            mSecondSummary = secondSummary;
+            notifyChanged();
+        }
+    }
+
+    /**
+     * Sets the second summary for this preference with a resource ID.
+     *
+     * @param secondSummaryResId The second summary as a resource
+     * @see #setSecondSummary(CharSequence)
+     */
+    public void setSecondSummary(@StringRes int secondSummaryResId) {
+        setSecondSummary(getContext().getString(secondSummaryResId));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+
+        final TextView installTypeView = (TextView) holder.findViewById(R.id.install_type);
+        if (installTypeView != null) {
+            if (mIsInstantApp) {
+                installTypeView.setVisibility(View.VISIBLE);
+            } else {
+                installTypeView.setVisibility(View.GONE);
+            }
+        }
+
+        final TextView secondSummaryView = (TextView) holder.findViewById(R.id.second_summary);
+        if (secondSummaryView != null) {
+            if (!TextUtils.isEmpty(mSecondSummary)) {
+                secondSummaryView.setText(mSecondSummary);
+                secondSummaryView.setVisibility(View.VISIBLE);
+            } else {
+                secondSummaryView.setVisibility(View.GONE);
+            }
+        }
+    }
+}
diff --git a/packages/SettingsLib/LayoutPreference/Android.bp b/packages/SettingsLib/LayoutPreference/Android.bp
index aaffdc922875..c29e1f789fd3 100644
--- a/packages/SettingsLib/LayoutPreference/Android.bp
+++ b/packages/SettingsLib/LayoutPreference/Android.bp
@@ -15,6 +15,7 @@ android_library {
 
     static_libs: [
         "androidx.preference_preference",
+        "SettingsLibSettingsTheme",
     ],
 
     sdk_version: "system_current",
diff --git a/packages/SettingsLib/LayoutPreference/res/values/styles.xml b/packages/SettingsLib/LayoutPreference/res/values/styles.xml
index 2bdd6fe92e1a..f958037cfca6 100644
--- a/packages/SettingsLib/LayoutPreference/res/values/styles.xml
+++ b/packages/SettingsLib/LayoutPreference/res/values/styles.xml
@@ -22,20 +22,6 @@
         <item name="android:paddingEnd">16dp</item>
     </style>
 
-    <style name="TextAppearance.EntityHeaderTitle"
-           parent="@android:style/TextAppearance.DeviceDefault.WindowTitle">
-        <item name="android:textColor">?android:attr/textColorPrimary</item>
-        <item name="android:textSize">20sp</item>
-    </style>
-
-    <style name="TextAppearance.EntityHeaderSummary"
-           parent="@android:style/TextAppearance.DeviceDefault">
-        <item name="android:textAlignment">viewStart</item>
-        <item name="android:textColor">?android:attr/textColorSecondary</item>
-        <item name="android:singleLine">true</item>
-        <item name="android:ellipsize">marquee</item>
-    </style>
-
     <style name="CrossProfileEntityHeaderIcon">
         <item name="android:layout_width">48dp</item>
         <item name="android:layout_height">48dp</item>
diff --git a/packages/SettingsLib/SettingsTheme/res/values/styles.xml b/packages/SettingsLib/SettingsTheme/res/values/styles.xml
index 00bd14122251..328ab46ed2f9 100644
--- a/packages/SettingsLib/SettingsTheme/res/values/styles.xml
+++ b/packages/SettingsLib/SettingsTheme/res/values/styles.xml
@@ -33,4 +33,18 @@
         <item name="android:textColor">?android:attr/textColorSecondary</item>
     </style>
 
+    <style name="TextAppearance.EntityHeaderTitle"
+        parent="@android:style/TextAppearance.DeviceDefault.WindowTitle">
+        <item name="android:textColor">?android:attr/textColorPrimary</item>
+        <item name="android:textSize">20sp</item>
+    </style>
+
+    <style name="TextAppearance.EntityHeaderSummary"
+        parent="@android:style/TextAppearance.DeviceDefault">
+        <item name="android:textAlignment">viewStart</item>
+        <item name="android:textColor">?android:attr/textColorSecondary</item>
+        <item name="android:singleLine">true</item>
+        <item name="android:ellipsize">marquee</item>
+    </style>
+
 </resources>
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/AppHeaderPreferenceTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/AppHeaderPreferenceTest.java
new file mode 100644
index 000000000000..fd181ff07222
--- /dev/null
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/AppHeaderPreferenceTest.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settingslib.widget;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.preference.PreferenceViewHolder;
+
+
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class AppHeaderPreferenceTest {
+
+    private Context mContext;
+    private View mRootView;
+    private AppHeaderPreference mPreference;
+    private PreferenceViewHolder mHolder;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mRootView = View.inflate(mContext, R.layout.app_header_preference, /* parent */ null);
+        mHolder = PreferenceViewHolder.createInstanceForTests(mRootView);
+        mPreference = new AppHeaderPreference(mContext);
+    }
+
+    @Test
+    public void setNonSelectable_viewShouldNotBeSelectable() {
+        mPreference.onBindViewHolder(mHolder);
+
+        assertThat(mHolder.itemView.isClickable()).isFalse();
+    }
+
+    @Test
+    public void defaultInstallType_viewShouldNotBeVisible() {
+        mPreference.onBindViewHolder(mHolder);
+
+        assertThat(mRootView.findViewById(R.id.install_type).getVisibility())
+                .isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void setIsInstantApp_shouldUpdateInstallType() {
+
+        mPreference.onBindViewHolder(mHolder);
+        mPreference.setIsInstantApp(true);
+
+        assertThat(((TextView) mRootView.findViewById(R.id.install_type)).getText().toString())
+                .isEqualTo(mContext.getResources().getString(R.string.install_type_instant));
+    }
+
+    @Test
+    public void setSecondSummary_shouldUpdateSecondSummary() {
+        final String defaultTestText = "Test second summary";
+
+        mPreference.onBindViewHolder(mHolder);
+        mPreference.setSecondSummary(defaultTestText);
+
+        assertThat(((TextView) mRootView.findViewById(R.id.second_summary)).getText().toString())
+                .isEqualTo(defaultTestText);
+    }
+}