stack in flutter

Stack( children: <Widget>[ Card( margin: const EdgeInsets.only(top: 20.0), child: SizedBox( height: 100.0, width: double.infinity, child: Padding( padding: const EdgeInsets.only(top: 45.0), child: Column( crossAxisAlignment: CrossAxisAlignment.center, children: <Widget>[ Text( "Foo", style: Theme.of(context).textTheme.subhead, ), Text("bar") ], ), )), ), Positioned( top: .0, left: .0, right: .0, child: Center( child: CircleAvatar( radius: 30.0, child: Text("D"), ), ), ) ], ),

Stack( children: <Widget>[ Container( width: 100, height: 100, color: Colors.red, ), Container( width: 90, height: 90, color: Colors.green, ), Container( width: 80, height: 80, color: Colors.blue, ), ], )

stack in flutter

class Settings {
  String image;
  String doors;
  String color;
  String type;
  String capacity;
  String private;
  String vehicleMake;
  String vehicleModel;
  String manufactureYear;
  String vehiclePlateNum;

  Settings(
      {this.image,
      this.doors,
      this.color,
      this.type,
      this.capacity,
      this.private,
      this.vehicleMake,
      this.vehicleModel,
      this.manufactureYear,
      this.vehiclePlateNum});

  Settings.fromJson(Map<String, dynamic> json) {
    image = json['image'];
    doors = json['doors'];
    color = json['color'];
    type = json['type'];
    capacity = json['capacity'];
    private = json['private'];
    vehicleMake = json['vehicleMake'];
    vehicleModel = json['vehicleModel'];
    manufactureYear = json['manufactureYear'];
    vehiclePlateNum = json['vehiclePlateNum'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['image'] = this.image;
    data['doors'] = this.doors;
    data['color'] = this.color;
    data['type'] = this.type;
    data['capacity'] = this.capacity;
    data['private'] = this.private;
    data['vehicleMake'] = this.vehicleMake;
    data['vehicleModel'] = this.vehicleModel;
    data['manufactureYear'] = this.manufactureYear;
    data['vehiclePlateNum'] = this.vehiclePlateNum;
    return data;
  }
}

Posted by: Guest on September-27-2021

Source

bool isKeyboardVisible = false; @override void initState() { super.initState(); KeyboardVisibilityNotification().addNewListener( onChange: (bool visible) { isKeyboardVisible = visible; }, ); }

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