restore dialog background inset

Author: starifly

app/src/main/res/drawable/bg_dialog.xml

@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <corners android:radius="@dimen/dialog_corner_radius" />
-    <solid android:color="?attr/colorSurface" />
-</shape>
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+    android:insetLeft="@dimen/dialog_background_inset"
+    android:insetTop="@dimen/dialog_background_inset"
+    android:insetRight="@dimen/dialog_background_inset"
+    android:insetBottom="@dimen/dialog_background_inset">
+
+    <shape android:shape="rectangle">
+        <corners android:radius="@dimen/dialog_corner_radius" />
+        <solid android:color="?attr/colorSurface" />
+    </shape>
+</inset>

app/src/main/res/values/dimens.xml

@@ -12,6 +12,7 @@
     <dimen name="input_corner_radius">12dp</dimen>
     <dimen name="popup_corner_radius">12dp</dimen>
     <dimen name="dialog_corner_radius">24dp</dimen>
+    <dimen name="dialog_background_inset">24dp</dimen>
 
     <dimen name="nav_item_corner_radius">14dp</dimen>
     <dimen name="button_corner_radius">12dp</dimen>