import 'package:bot_toast/bot_toast.dart';

MaterialApp(
      title: 'BotToast Demo',
      builder: BotToastInit(), //1. call BotToastInit
      navigatorObservers: [BotToastNavigatorObserver()], //2. registered route observer
      home: XxxxPage(),
  )

//Warning: Don't arbitrarily adjust the position of calling the BotToastInit function 
final botToastBuilder = BotToastInit();  //1. call BotToastInit 
MaterialApp(
      title: 'BotToast Demo',
      builder: (context, child) {
        child = myBuilder(context,child);  //do something
        child = botToastBuilder(context,child); 
        return child;
      }, 
      navigatorObservers: [BotToastNavigatorObserver()], //2. registered route observer
      home: XxxxPage(),
  )

var cancel = BotToast.showText(text:"xxxx");  //popup a text toast;
...
cancel();  //close

var cancel = BotToast.showSimpleNotification(title: "init"); // popup a notification toast;
...
cancel();  //close

var cancel = BotToast.showLoading(); //popup a loading toast
...
cancel();  //close

//popup a attachments toast
var cancel = BotToast.showAttachedWidget(
    attachedBuilder: (_) => Card(
          child: Padding(
            padding: const EdgeInsets.all(8.0),
            child: Icon(
              Icons.favorite,
              color: Colors.redAccent,
            ),
          ),
        ),
    duration: Duration(seconds: 2),
    target: Offset(520, 520));
...
cancel();  //close

//custom api
var cancel = BotToast.showCustomNotification(...)
var cancel = BotToast.showCustomText(...)
var cancel = BotToast.showCustomLoading(...)
var cancel = BotToast.showAnimationWidget(...)
...
cancel();  //close

//2.x.x version initialization method
BotToastInit(
  child:MaterialApp(
      title: 'BotToast Demo',
      navigatorObservers: [BotToastNavigatorObserver()],
      home: XxxxPage(),
  )
);

//3.x.x version initialization method
MaterialApp(
      title: 'BotToast Demo',
      builder: BotToastInit(), 
      navigatorObservers: [BotToastNavigatorObserver()],
      home: XxxxPage(),
  )