Schematize Display system properties

Properties accessed across partitions are now schematized and will
become APIs to make explicit interfaces among partitions.

Bug: 117924132
Test: m -j
Change-Id: I4b49ed7e9b93c20855928ca61f9f128a0aa1d6d1
Merged-In: Id9bbb997669b05b6edb5307d561e766ead19abf1

2 files changed, 4 insertions, 11 deletions

diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index f228773aebf2..efff6d617376 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -74,8 +74,8 @@ import android.os.Parcel;
 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 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
     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 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
         /**
          * 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 fd11ef13f9ac..798401d87b5a 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -70,6 +70,7 @@ import android.os.RemoteException;
 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 @@ public final class ViewRootImpl implements ViewParent,
                 }
 
                 // 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)) {