updtae Demo2FaExample,

03_source/mobile/src/pages/Demo2FaExample/components/KeypadButton.tsx

@@ -0,0 +1,31 @@
+import { IonButton, IonCol, IonIcon } from "@ionic/react";
+import { backspaceOutline } from "ionicons/icons";
+import styles from "./KeypadButton.module.scss";
+
+const KeypadButton = (props: any): JSX.Element => {
+  const {
+    small,
+    value,
+    remove,
+    handleClick,
+    isDisabled = false,
+    correct,
+  } = props;
+
+  return (
+    <IonCol size="4" className={styles.keypadButton}>
+      <IonButton
+        disabled={(!small || correct) && isDisabled}
+        className={`${styles.keypadButton} ${
+          small && styles.smallKeypadButton
+        }`}
+        onClick={handleClick}
+      >
+        {!remove && value}
+        {remove && <IonIcon icon={backspaceOutline} />}
+      </IonButton>
+    </IonCol>
+  );
+};
+
+export default KeypadButton;