updating android plugin to reflect changes made in dart

android/build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.2.1'
     }
 }
 

android/src/main/java/io/github/ponnamkarthik/toast/fluttertoast/FluttertoastPlugin.java

@@ -8,14 +8,11 @@ import io.flutter.plugin.common.PluginRegistry.Registrar;
 import android.content.Context;
 import android.graphics.Color;
 import android.graphics.Paint;
-import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.ShapeDrawable;
 import android.graphics.drawable.shapes.RoundRectShape;
-import android.os.Build;
 import android.view.Gravity;
 import android.widget.TextView;
 import android.widget.Toast;
-import android.util.Log;
 
 /** FluttertoastPlugin */
 public class FluttertoastPlugin implements MethodCallHandler {
@@ -40,8 +37,8 @@ public class FluttertoastPlugin implements MethodCallHandler {
       String msg  = call.argument("msg").toString();
       String length = call.argument("length").toString();
       String gravity = call.argument("gravity").toString();
-      String bgcolor = call.argument("bgcolor").toString();
-      String textcolor = call.argument("textcolor").toString();
+      Integer bgcolor = call.argument("bgcolor");
+      Integer textcolor = call.argument("textcolor");
 
       Toast toast = Toast.makeText(ctx, msg, Toast.LENGTH_SHORT);
         toast.setText(msg);
@@ -72,7 +69,7 @@ public class FluttertoastPlugin implements MethodCallHandler {
                 RoundRectShape rectShape = new RoundRectShape(new float[] {100f, 100f, 100f, 100f, 100f, 100f, 100f, 100f}, null, null);
 
                 ShapeDrawable shapeDrawable = new ShapeDrawable(rectShape);
-                shapeDrawable.getPaint().setColor(Color.parseColor(bgcolor));
+                shapeDrawable.getPaint().setColor(bgcolor);
                 shapeDrawable.getPaint().setStyle(Paint.Style.FILL);
                 shapeDrawable.getPaint().setAntiAlias(true);
                 shapeDrawable.getPaint().setFlags(Paint.ANTI_ALIAS_FLAG);
@@ -89,7 +86,7 @@ public class FluttertoastPlugin implements MethodCallHandler {
         
         if (!textcolor.equals("null")) {
             try {
-                text.setTextColor(Color.parseColor(textcolor));
+                text.setTextColor(textcolor);
             } catch (Exception e) {
                 e.printStackTrace();
             }

example/lib/main.dart

@@ -25,8 +25,8 @@ class _MyAppState extends State<MyApp> {
     Fluttertoast.showToast(
         msg: "This is Colored Toast",
         toastLength: Toast.LENGTH_SHORT,
-        bgcolor: "#e74c3c",
-        textcolor: '#ffffff');
+        backgroundColor: Colors.red,
+        textColor: Colors.white);
   }
 
   void showShortToast() {