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Draggable bottom sheet flutter package

License: MIT License

Dart 94.29% Kotlin 1.42% Swift 3.91% Objective-C 0.37%

draggable_bottom_sheet_package's Introduction

DraggableBottomSheet

This is a bottom sheet that is partially visible onto the screen and can be dragged from there into the screen to occupy the fullscreen.

Draggable Bottom Sheet gif

Get Started

Add dependencies

draggable_bottom_sheet:

import package

import 'package:draggable_bottom_sheet/draggable_bottom_sheet.dart';

Example

import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:draggable_bottom_sheet/draggable_bottom_sheet.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: DraggableBottomSheetExample(title: 'Draggable Bottom Sheet Example'),
      debugShowCheckedModeBanner: false,
    );
  }
}

class DraggableBottomSheetExample extends StatelessWidget {
  DraggableBottomSheetExample({Key key, this.title}) : super(key: key);
  final String title;

  @override
  Widget build(BuildContext context) {
    List<IconData> icons = [Icons.ac_unit, Icons.account_balance, Icons.adb, Icons.add_photo_alternate, Icons.format_line_spacing];
    
    return Scaffold(
      body: DraggableBottomSheet(
        backgroundWidget: Scaffold(
          backgroundColor: Colors.white,
          appBar: AppBar(title: Text(title), backgroundColor: Colors.deepOrange,),
          body: Container(
            height: 400,
            child: ListView.separated(
              scrollDirection: Axis.horizontal,
              padding: EdgeInsets.symmetric(vertical: 32),
              itemCount: icons.length,
              itemBuilder: (context, index) => Container(
                width: MediaQuery.of(context).size.width * 0.7,
                height: 200,
                decoration: BoxDecoration(
                  color: Colors.grey,
                  borderRadius: BorderRadius.circular(20)
                ),
                child: Icon(icons[index], color: Colors.white, size: 60,),
              ),
              separatorBuilder: (context, index) => SizedBox(width: 10),
            ),
          ),
        ),
        previewChild: Container(
          padding: EdgeInsets.all(16),
          decoration: BoxDecoration(
            color: Colors.pink,
            borderRadius: BorderRadius.only(topLeft: Radius.circular(20), topRight: Radius.circular(20))
          ),
          child: Column(
            children: <Widget>[
              Container(
                width: 40,
                height: 6,
                decoration: BoxDecoration(
                  color: Colors.white,
                  borderRadius: BorderRadius.circular(10)
                ),
              ),
              SizedBox(height: 8,),
              Text('Drag Me', style: TextStyle(color: Colors.white, fontSize: 16, fontWeight: FontWeight.bold),),
              SizedBox(height: 16,),
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: icons.map((icon){
                  return Container(
                    width: 50,
                    height: 50,
                    margin: EdgeInsets.only(right: 16),
                    child: Icon(icon, color: Colors.pink, size: 40,),
                    decoration: BoxDecoration(
                      color: Colors.white,
                      borderRadius: BorderRadius.circular(10)
                    ),
                  );
                }).toList()
              )
            ],
          ),
        ),
        expandedChild: Container(
          padding: EdgeInsets.all(16),
          decoration: BoxDecoration(
            color: Colors.pink,
            borderRadius: BorderRadius.only(topLeft: Radius.circular(20), topRight: Radius.circular(20))
          ),
          child: Column(
            children: <Widget>[
              Icon(Icons.keyboard_arrow_down, size: 30, color: Colors.white,),
              SizedBox(height: 8,),
              Text('Hey...I\'m expanding!!!', style: TextStyle(color: Colors.white, fontSize: 16, fontWeight: FontWeight.bold),),
              SizedBox(height: 16,),
              Expanded(
                child: GridView.builder(
                  itemCount: icons.length,
                  gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                    crossAxisCount: 2,
                    crossAxisSpacing: 10,
                    mainAxisSpacing: 10,
                  ), 
                  itemBuilder: (context, index) => Container(
                    decoration: BoxDecoration(
                      color: Colors.white,
                      borderRadius: BorderRadius.circular(10)
                    ),
                    child: Icon(icons[index], color: Colors.pink, size: 40,),
                  )
                ),
              )
            ],
          ),
        ),
        minExtent: 150,
        maxExtent: MediaQuery.of(context).size.height * 0.8,
      )
    );
  }
}

Arguments

Description of DraggableBottomSheet arguments.

Argument Value Description
alignment Alignment Alignment of the sheet
backgroundWidget Widget This widget will hide behind the sheet when expanded.
blurBackground Boolean Whether to blur the background while sheet expnasion (true: modal-sheet, false: persistent-sheet)
expandedChild Widget Child of expended sheet
expansionExtent Double Extent from the min-height to change from previewChild to expandedChild
maxEntent Double Max-extent for sheet expansion
minEntent Double Min-extent for the sheet, also the original height of the sheet
previewChild Widget Child to be displayed when sheet is not expended
scrollDirection Axis Scroll direction of the sheet

draggable_bottom_sheet_package's People

Contributors

hitesh-verma-appinventiv avatar hitesh822 avatar themisir avatar

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