Merge "Schematize Display system properties"
diff --git a/core/java/android/text/TextUtils.java b/core/java/android/text/TextUtils.java
index fda0a3e..15c14e7 100644
--- a/core/java/android/text/TextUtils.java
+++ b/core/java/android/text/TextUtils.java
@@ -30,8 +30,7 @@
 import android.icu.util.ULocale;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.os.SystemProperties;
-import android.provider.Settings;
+import android.sysprop.DisplayProperties;
 import android.text.style.AbsoluteSizeSpan;
 import android.text.style.AccessibilityClickableSpan;
 import android.text.style.AccessibilityURLSpan;
@@ -2001,7 +2000,7 @@
         return ((locale != null && !locale.equals(Locale.ROOT)
                         && ULocale.forLocale(locale).isRightToLeft())
                 // If forcing into RTL layout mode, return RTL as default
-                || SystemProperties.getBoolean(Settings.Global.DEVELOPMENT_FORCE_RTL, false))
+                || DisplayProperties.debug_force_rtl().orElse(false))
             ? View.LAYOUT_DIRECTION_RTL
             : View.LAYOUT_DIRECTION_LTR;
     }
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index f228773..efff6d6 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -74,8 +74,8 @@
 import android.os.Parcelable;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.SystemProperties;
 import android.os.Trace;
+import android.sysprop.DisplayProperties;
 import android.text.InputType;
 import android.text.TextUtils;
 import android.util.AttributeSet;
@@ -790,14 +790,6 @@
     protected static final String VIEW_LOG_TAG = "View";
 
     /**
-     * When set to true, apps will draw debugging information about their layouts.
-     *
-     * @hide
-     */
-    @UnsupportedAppUsage
-    public static final String DEBUG_LAYOUT_PROPERTY = "debug.layout";
-
-    /**
      * When set to true, this view will save its attribute data.
      *
      * @hide
@@ -26855,7 +26847,7 @@
         /**
          * Show where the margins, bounds and layout bounds are for each view.
          */
-        boolean mDebugLayout = SystemProperties.getBoolean(DEBUG_LAYOUT_PROPERTY, false);
+        boolean mDebugLayout = DisplayProperties.debug_layout().orElse(false);
 
         /**
          * Point used to compute visible regions.
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index fd11ef1..798401d 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -70,6 +70,7 @@
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.Trace;
+import android.sysprop.DisplayProperties;
 import android.util.AndroidRuntimeException;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -6829,7 +6830,7 @@
                 }
 
                 // Layout debugging
-                boolean layout = SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false);
+                boolean layout = DisplayProperties.debug_layout().orElse(false);
                 if (layout != mAttachInfo.mDebugLayout) {
                     mAttachInfo.mDebugLayout = layout;
                     if (!mHandler.hasMessages(MSG_INVALIDATE_WORLD)) {
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 8e80c74..ddab5ec 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -365,6 +365,7 @@
 import android.provider.Settings;
 import android.service.voice.IVoiceInteractionSession;
 import android.service.voice.VoiceInteractionManagerInternal;
+import android.sysprop.DisplayProperties;
 import android.sysprop.VoldProperties;
 import android.telecom.TelecomManager;
 import android.text.TextUtils;
@@ -14937,8 +14938,8 @@
                 mContext.getPackageManager().hasSystemFeature(FEATURE_LEANBACK_ONLY);
         mHiddenApiBlacklist.registerObserver();
 
-        // Transfer any global setting for forcing RTL layout, into a System Property
-        SystemProperties.set(DEVELOPMENT_FORCE_RTL, forceRtl ? "1":"0");
+        // Transfer any global setting for forcing RTL layout, into a Display Property
+        DisplayProperties.debug_force_rtl(forceRtl);
 
         final Configuration configuration = new Configuration();
         Settings.System.getConfiguration(resolver, configuration);