[Button] Fixed width morph in vertical button groups.

pekingme · dsn5ft · commit fb8197481a0f · 2025-07-09T11:45:12.000-04:00
PiperOrigin-RevId: 770651707 (cherry picked from commit 6d8d750)
diff --git a/lib/java/com/google/android/material/button/MaterialButton.java b/lib/java/com/google/android/material/button/MaterialButton.java
@@ -575,6 +575,7 @@ && getParent() instanceof MaterialButtonGroup
     if (originalPaddingEnd == UNSET) {
       originalPaddingEnd = getPaddingEnd();
     }
+    isInHorizontalButtonGroup = isInHorizontalButtonGroup();
   }
 
   void recoverOriginalLayoutParams() {
@@ -605,7 +606,6 @@ protected void onAttachedToWindow() {
       MaterialShapeUtils.setParentAbsoluteElevation(
           this, materialButtonHelper.getMaterialShapeDrawable());
     }
-    isInHorizontalButtonGroup = isInHorizontalButtonGroup();
   }
 
   @Override

Original file line number	Diff line number	Diff line change
`@@ -575,6 +575,7 @@ && getParent() instanceof MaterialButtonGroup`
`575`	`575`	`if (originalPaddingEnd == UNSET) {`
`576`	`576`	`originalPaddingEnd = getPaddingEnd();`
`577`	`577`	`}`
	`578`	`+ isInHorizontalButtonGroup = isInHorizontalButtonGroup();`
`578`	`579`	`}`
`579`	`580`
`580`	`581`	`void recoverOriginalLayoutParams() {`
`@@ -605,7 +606,6 @@ protected void onAttachedToWindow() {`
`605`	`606`	`MaterialShapeUtils.setParentAbsoluteElevation(`
`606`	`607`	`this, materialButtonHelper.getMaterialShapeDrawable());`
`607`	`608`	`}`
`608`		`- isInHorizontalButtonGroup = isInHorizontalButtonGroup();`
`609`	`609`	`}`
`610`	`610`
`611`	`611`	`@Override`