[Catalyst] Initial migration for "Display size and text" screen

Test: Manual
Bug: 372776688
Flag: com.android.settings.flags.catalyst_text_reading_screen
Change-Id: Iadbf36cee58083b8182ed5b275912a9e3a15b119

src/com/android/settings/accessibility/TextReadingDisplaySizePreference.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2025 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 com.android.settings.R
+import com.android.settingslib.metadata.PreferenceMetadata
+import com.android.settingslib.preference.PreferenceBinding
+
+internal class TextReadingDisplaySizePreference : PreferenceMetadata, PreferenceBinding {
+
+    override val key: String
+        get() = KEY
+
+    override val title: Int
+        get() = R.string.screen_zoom_title
+
+    override val summary: Int
+        get() = R.string.screen_zoom_short_summary
+
+    override val keywords: Int
+        get() = R.string.keywords_display_size
+
+    override fun createWidget(context: Context) =
+        AccessibilitySeekBarPreference(context, /* attrs= */ null).apply {
+            setIconStart(R.drawable.ic_remove_24dp)
+            setIconStartContentDescription(R.string.screen_zoom_make_smaller_desc)
+            setIconEnd(R.drawable.ic_add_24dp)
+            setIconEndContentDescription(R.string.screen_zoom_make_larger_desc)
+        }
+
+    companion object {
+        const val KEY = "display_size"
+    }
+}

src/com/android/settings/accessibility/TextReadingFontSizePreference.kt

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2025 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 android.provider.Settings.System.FONT_SCALE
+import com.android.settings.R
+import com.android.settingslib.metadata.PreferenceMetadata
+import com.android.settingslib.preference.PreferenceBinding
+
+internal class TextReadingFontSizePreference : PreferenceMetadata, PreferenceBinding {
+
+    override val key: String
+        get() = KEY
+
+    override val title: Int
+        get() = R.string.title_font_size
+
+    override val summary: Int
+        get() = R.string.short_summary_font_size
+
+    override val keywords: Int
+        get() = R.string.keywords_font_size
+
+    override fun createWidget(context: Context) =
+        AccessibilitySeekBarPreference(context, /* attrs= */ null).apply {
+            setIconStart(R.drawable.ic_remove_24dp)
+            setIconStartContentDescription(R.string.font_size_make_smaller_desc)
+            setIconEnd(R.drawable.ic_add_24dp)
+            setIconEndContentDescription(R.string.font_size_make_larger_desc)
+        }
+
+    companion object {
+        const val KEY = FONT_SCALE
+    }
+}

src/com/android/settings/accessibility/TextReadingPreview.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2025 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 com.android.settingslib.metadata.PreferenceMetadata
+import com.android.settingslib.preference.PreferenceBinding
+
+internal class TextReadingPreview : PreferenceMetadata, PreferenceBinding {
+    override val key: String
+        get() = KEY
+
+    override fun createWidget(context: Context) =
+        TextReadingPreviewPreference(context).apply { isSelectable = false }
+
+    companion object {
+        const val KEY = "preview"
+    }
+}

src/com/android/settings/accessibility/TextReadingScreen.kt

@@ -18,11 +18,10 @@ package com.android.settings.accessibility
 import android.content.Context
 import com.android.settings.R
 import com.android.settings.flags.Flags
-import com.android.settingslib.metadata.ProvidePreferenceScreen
 import com.android.settingslib.metadata.preferenceHierarchy
 import com.android.settingslib.preference.PreferenceScreenCreator
 
-@ProvidePreferenceScreen(TextReadingScreen.KEY)
+// @ProvidePreferenceScreen(TextReadingScreen.KEY)
 class TextReadingScreen : PreferenceScreenCreator {
     override val key: String
         get() = KEY
@@ -34,9 +33,12 @@ class TextReadingScreen : PreferenceScreenCreator {
 
     override fun fragmentClass() = TextReadingPreferenceFragment::class.java
 
-    override fun hasCompleteHierarchy() = false
-
-    override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(context, this) {}
+    override fun getPreferenceHierarchy(context: Context) =
+        preferenceHierarchy(context, this) {
+            +TextReadingPreview()
+            +TextReadingFontSizePreference()
+            +TextReadingDisplaySizePreference()
+        }
 
     companion object {
         const val KEY = "text_reading_screen"