tirth-aubergine

dependencies:
  flutter:
    sdk: flutter
  cupertino_icons: ^0.1.2
  spreadsheet_decoder: # parsing xlsx files
  path_provider: # reading/writing files in application document directory
  file_picker: # using local files from device
  pdf_viewer_plugin: # viewing pdf files
  pdf: # generating pdf file
  permission_handler: # handling runtime permissions

tirth-aubergine

FloatingActionButton(
  onPressed: () async {
    homeProvider.xlsxFilePath = await FilePicker.getFilePath(
      type: FileType.CUSTOM,
      fileExtension: 'xlsx',
    );
  },
  child: Icon(Icons.attach_file),
)

tirth-aubergine

import 'dart:io';

import 'package:flutter/material.dart';

import 'package:provider/provider.dart';
import 'package:spreadsheet_decoder/spreadsheet_decoder.dart';
import 'package:file_picker/file_picker.dart';

import 'package:certificate_generator/providers/home.dart';

tirth-aubergine

import 'package:flutter/foundation.dart';

///
/// Manages state for screens/HomeScreen.dart
///
class HomeProvider with ChangeNotifier {
  // holds the path of selected xlsx file path
  String _xlsxFilePath;

  // holds the names of tables of selected xlsx file path

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ListView(
  padding: EdgeInsets.all(16),
  children: <Widget>[
    ...SpreadsheetDecoder.decodeBytes(
            File(homeProvider.xlsxFilePath).readAsBytesSync())
        .tables[homeProvider.xlsxFileSelectedTable]
        .rows
        .map(
          (value) => Column(
            children: <Widget>[

tirth-aubergine

import 'package:flutter/material.dart';

import 'package:pdf_viewer_plugin/pdf_viewer_plugin.dart';

class ViewerScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    Map<String, dynamic> view = ModalRoute.of(context).settings.arguments;
    return Scaffold(
      appBar: AppBar(

tirth-aubergine

import 'dart:io';

import 'package:flutter/material.dart';

import 'package:share_extend/share_extend.dart';

import 'package:certificate_generator/utils/commons.dart';

class ResultScreen extends StatelessWidget {
  @override

tirth-aubergine

import 'package:flutter/material.dart';

import 'package:provider/provider.dart';
import 'package:permission_handler/permission_handler.dart';

import 'package:certificate_generator/providers/home.dart';

import 'package:certificate_generator/screens/home.dart';
import 'package:certificate_generator/screens/result.dart';
import 'package:certificate_generator/screens/viewer.dart';

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Row(
  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
  children: <Widget>[
    FlatButton(
      onPressed: () {
        // Download
      },
      child: Icon(Icons.file_download),
    ),
    FlatButton(

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FlatButton(
  onPressed: () {
    pdfGenerator(name);
    Scaffold.of(context).showSnackBar(
      SnackBar(
        content: Text('$name.pdf downloaded'),
        action: SnackBarAction(
          label: 'View',
          onPressed: () async {
            String downloadPath =