[Badge] Fix table formatting and remove unnecessary badge invalidation

Resolves #3356

GIT_ORIGIN_REV_ID=9f6839aa225d567a26a7db948734c28a1bbae44a
PiperOrigin-RevId: 526735605

Author: pubiqq

docs/components/BadgeDrawable.md

@@ -92,19 +92,20 @@ center, use `setHorizontalOffset(int)` or `setVerticalOffset(int)`
 
 | Feature               | Relevant attributes                                                                                                                                      |
 |-----------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
-| Color                 | `app:backgroundColor` <br> `app:badgeTextColor`                                                                                                                                      |
+| Color                 | `app:backgroundColor` <br> `app:badgeTextColor`                                                                                                          |
 | Width                 | `app:badgeWidth` <br> `app:badgeWithTextWidth`                                                                                                           |
 | Height                | `app:badgeHeight` <br> `app:badgeWithTextHeight`                                                                                                         |
-| Shape                 | `app:badgeShapeAppearance` <br> `app:badgeShapeAppearanceOverlay` <br> `app:badgeWithTextShapeAppearance` <br> `app:badgeWithTextShapeAppearanceOverlay`                                                                                                                 |
-| Label                 | `app:badgeText` (for text) <br> `app:number` (for numbers)                                                                                                                                                  |
-| Label Length          | `app:maxCharacterCount` (for all text) <br> `app:maxNumber` (for numbers only)                                                                                                                                                     |
+| Shape                 | `app:badgeShapeAppearance` <br> `app:badgeShapeAppearanceOverlay` <br> `app:badgeWithTextShapeAppearance` <br> `app:badgeWithTextShapeAppearanceOverlay` |
+| Label                 | `app:badgeText` (for text) <br> `app:number` (for numbers)                                                                                               |
+| Label Length          | `app:maxCharacterCount` (for all text) <br> `app:maxNumber` (for numbers only)                                                                           |
 | Label Text Color      | `app:badgeTextColor`                                                                                                                                     |
 | Label Text Appearance | `app:badgeTextAppearance`                                                                                                                                |
 | Badge Gravity         | `app:badgeGravity`                                                                                                                                       |
 | Offset Alignment      | `app:offsetAlignmentMode`                                                                                                                                |
 | Horizontal Padding    | `app:badgeWidePadding`                                                                                                                                   |
 | Vertical Padding      | `app:badgeVerticalPadding`                                                                                                                               |
 | Auto Adjust           | `app:autoAdjustToWithinGrandparentBounds`                                                                                                                |
+
 **Note:** If both `app:badgeText` and `app:number` are specified, the badge label will be `app:badgeText`.
 
 ### Talkback Support

lib/java/com/google/android/material/badge/BadgeDrawable.java

@@ -373,7 +373,7 @@ public void updateBadgeCoordinates(
   private boolean isAnchorViewWrappedInCompatParent() {
     View customBadgeAnchorParent = getCustomBadgeParent();
     return customBadgeAnchorParent != null
-        &&  customBadgeAnchorParent.getId() == R.id.mtrl_anchor_parent;
+        && customBadgeAnchorParent.getId() == R.id.mtrl_anchor_parent;
   }
 
   /** Returns a {@link FrameLayout} that will set this {@code BadgeDrawable} as its foreground. */
@@ -539,8 +539,10 @@ public void setNumber(int number) {
 
   /** Clears the badge's number. */
   public void clearNumber() {
-    state.clearNumber();
-    onNumberUpdated();
+    if (state.hasNumber()) {
+      state.clearNumber();
+      onNumberUpdated();
+    }
   }
 
   private void onNumberUpdated() {

lib/java/com/google/android/material/badge/res/values/integers.xml

@@ -16,6 +16,7 @@
   -->
 
 <resources>
+  <!-- Not used. Kept for backward compatibility -->
   <integer name="mtrl_badge_max_character_count">4</integer>
   <integer name="m3_badge_max_number">999</integer>
 </resources>

lib/java/com/google/android/material/badge/res/values/styles.xml

@@ -23,7 +23,7 @@
     <item name="badgeWithTextHeight">@dimen/mtrl_badge_with_text_size</item>
     <item name="badgeWidePadding">@dimen/mtrl_badge_long_text_horizontal_padding</item>
     <item name="backgroundColor">?attr/colorError</item>
-    <item name="maxNumber">999</item>
+    <item name="maxNumber">@integer/m3_badge_max_number</item>
     <item name="badgeGravity">TOP_END</item>
     <item name="offsetAlignmentMode">legacy</item>
     <item name="badgeTextAppearance">@style/TextAppearance.MaterialComponents.Badge</item>