Update README.md

Hmida71 · Oct 4, 2021 · ca60f83 · ca60f83
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@@ -45,6 +45,13 @@ bottomNavigationBar: FlashyTabBar(
 ),
 </code></pre>
 
+<h4>and Add this also in your Class </h4>
+<pre><code>
+var _selectedIndex = 0 ;
+</code></pre>
+
+
+
 Note From : flashy_tab_bar in <a href="https://pub.dev/packages/flashy_tab_bar">pub.dev</a> !! 
 <br>
 Note : This flashy_tab_bar Don't Support Null Safety if you need flashy_tab_bar with null Safty install :