Update

app/src/main/java/com/hippo/widget/DrawerFrameLayout.java

@@ -33,6 +33,11 @@ public class DrawerFrameLayout extends FrameLayout {
 
     private OnGetPaddingListener mOnGetPaddingListener;
 
+    private int mFitPaddingLeft = -1;
+    private int mFitPaddingTop = -1;
+    private int mFitPaddingRight = -1;
+    private int mFitPaddingBottom = -1;
+
     public DrawerFrameLayout(Context context, AttributeSet attrs) {
         super(context, attrs);
         init(context, attrs, 0, 0);
@@ -72,9 +77,13 @@ public class DrawerFrameLayout extends FrameLayout {
     @SuppressWarnings("deprecation")
     @Override
     protected boolean fitSystemWindows(@NotNull Rect insets) {
+        mFitPaddingLeft = insets.left;
+        mFitPaddingTop = insets.top;
+        mFitPaddingRight = insets.right;
+        mFitPaddingBottom = insets.bottom;
         if (mOnGetPaddingListener != null) {
-            mOnGetPaddingListener.onGetPadding(insets.left, insets.top,
-                    insets.right, insets.bottom);
+            mOnGetPaddingListener.onGetPadding(mFitPaddingLeft, mFitPaddingTop,
+                    mFitPaddingRight, mFitPaddingBottom);
         }
 
         insets.set(0, 0, 0, 0);
@@ -86,6 +95,22 @@ public class DrawerFrameLayout extends FrameLayout {
         mOnGetPaddingListener = listener;
     }
 
+    public int getFitPaddingLeft() {
+        return mFitPaddingLeft;
+    }
+
+    public int getFitPaddingTop() {
+        return mFitPaddingTop;
+    }
+
+    public int getFitPaddingRight() {
+        return mFitPaddingRight;
+    }
+
+    public int getFitPaddingBottom() {
+        return mFitPaddingBottom;
+    }
+
     public interface OnGetPaddingListener {
         public void onGetPadding(int l, int t, int r, int b);
     }