Remove rounded luncher icon and fix splash screen app name issue

android/app/src/main/AndroidManifest.xml

@@ -9,7 +9,6 @@
     <application
         android:name="${applicationName}"
         android:icon="@mipmap/launcher_icon"
-        android:roundIcon="@mipmap/ic_launcher_round"
         android:label="Math Matrix">
         <activity
             android:name="com.nividata.mathmatrix.MainActivity"

lib/src/ui/splash/splash_view.dart

@@ -1,6 +1,7 @@
+import 'dart:math';
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'dart:math';
 import 'package:mathgame/src/core/app_constant.dart';
 import 'package:mathgame/src/ui/splash/animated_grid_item_view.dart';
 import 'package:tuple/tuple.dart';
@@ -76,8 +77,8 @@ class GridItemView extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if ((horizontalLine / 2 - 1) <= index && (horizontalLine / 2 + 1) > index) {
-      int tempIndex = (horizontalLine / 2 - 1) == index ? 0 : 1;
+    if ((horizontalLine ~/ 2 - 1) == index || (horizontalLine ~/ 2) == index) {
+      int tempIndex = (horizontalLine ~/ 2 - 1) == index ? 0 : 1;
       return SizedBox(
         height: verticalLine,
         child: Row(

pubspec.yaml

@@ -39,12 +39,13 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  flutter_launcher_icons: ^0.11.0
+  flutter_launcher_icons: ^0.13.1
 
 flutter_icons:
   android: "launcher_icon"
   ios: true
   image_path: "assets/images/app_icon.png"
+  min_sdk_android: 21
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec