fix bugs

Author: goweii

anylayer/src/main/java/per/goweii/anylayer/DecorLayer.java

@@ -7,6 +7,7 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewParent;
 import android.widget.FrameLayout;
 
 import androidx.annotation.CallSuper;
@@ -214,13 +215,27 @@ protected final void setViewMarginTo(@NonNull View view, @NonNull Rect margin) {
 
     @NonNull
     protected final Rect getDecorPadding() {
-        Utils.getViewPadding(getViewHolder().getDecorChild(), mDecorPadding);
+        mDecorPadding.setEmpty();
+        Utils.getViewPadding(getViewHolder().getActivityContent(), mDecorPadding);
         return mDecorPadding;
     }
 
     @NonNull
     protected final Rect getDecorMargin() {
-        Utils.getViewMargin(getViewHolder().getDecorChild(), mDecorMargin);
+        mDecorMargin.setEmpty();
+        ViewGroup viewGroup = getViewHolder().getActivityContent();
+        while (true) {
+            Utils.getViewMargin(viewGroup, mDecorMargin);
+            ViewParent viewParent = viewGroup.getParent();
+            if (!(viewParent instanceof ViewGroup)) {
+                break;
+            }
+            viewGroup = (ViewGroup) viewParent;
+            Utils.getViewPadding(viewGroup, mDecorMargin);
+            if (viewGroup == getViewHolder().getDecor()) {
+                break;
+            }
+        }
         return mDecorMargin;
     }
 

anylayer/src/main/java/per/goweii/anylayer/utils/Utils.java

@@ -135,21 +135,19 @@ public static void getViewSize(@NonNull final View view, @NonNull Runnable runna
     }
 
     public static void getViewPadding(@NonNull View view, @NonNull Rect rect) {
-        rect.setEmpty();
-        rect.left = view.getPaddingLeft();
-        rect.top = view.getPaddingTop();
-        rect.right = view.getPaddingRight();
-        rect.bottom = view.getPaddingBottom();
+        rect.left += view.getPaddingLeft();
+        rect.top += view.getPaddingTop();
+        rect.right += view.getPaddingRight();
+        rect.bottom += view.getPaddingBottom();
     }
 
     public static void getViewMargin(@NonNull View view, @NonNull Rect rect) {
-        rect.setEmpty();
         if (!(view.getLayoutParams() instanceof ViewGroup.MarginLayoutParams)) return;
         ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) view.getLayoutParams();
-        rect.left = params.leftMargin;
-        rect.top = params.topMargin;
-        rect.right = params.rightMargin;
-        rect.bottom = params.bottomMargin;
+        rect.left += params.leftMargin;
+        rect.top += params.topMargin;
+        rect.right += params.rightMargin;
+        rect.bottom += params.bottomMargin;
     }
 
     public static int getViewMarginLeft(@NonNull View view) {