1 files changed, 25 insertions, 0 deletions
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 5bc44ce2bd49..bef8e8fedfdf 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -43,6 +43,7 @@ import android.content.pm.PackageManager;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
+import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Matrix;
@@ -1077,6 +1078,7 @@ public final class ViewRootImpl implements ViewParent,
                 mAttachInfo.mThreadedRenderer = ThreadedRenderer.create(mContext, translucent,
                         attrs.getTitle().toString());
                 mAttachInfo.mThreadedRenderer.setWideGamut(wideGamut);
+                updateForceDarkMode();
                 if (mAttachInfo.mThreadedRenderer != null) {
                     mAttachInfo.mHardwareAccelerated =
                             mAttachInfo.mHardwareAccelerationRequested = true;
@@ -1085,6 +1087,27 @@ public final class ViewRootImpl implements ViewParent,
         }
     }
 
+    private int getNightMode() {
+        return mContext.getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+    }
+
+    private void updateForceDarkMode() {
+        if (mAttachInfo.mThreadedRenderer == null) return;
+
+        boolean nightMode = getNightMode() == Configuration.UI_MODE_NIGHT_YES;
+        TypedArray a = mContext.obtainStyledAttributes(R.styleable.Theme);
+        boolean isLightTheme = a.getBoolean(R.styleable.Theme_isLightTheme, false);
+        a.recycle();
+
+        boolean changed = mAttachInfo.mThreadedRenderer.setForceDark(nightMode);
+        changed |= mAttachInfo.mThreadedRenderer.getRootNode().setAllowForceDark(isLightTheme);
+
+        if (changed) {
+            // TODO: Don't require regenerating all display lists to apply this setting
+            invalidateWorld(mView);
+        }
+    }
+
     @UnsupportedAppUsage
     public View getView() {
         return mView;
@@ -4077,6 +4100,8 @@ public final class ViewRootImpl implements ViewParent,
             mForceNextWindowRelayout = true;
             requestLayout();
         }
+
+        updateForceDarkMode();
     }
 
     /**