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/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 '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';

tirth-aubergine

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

tirth-aubergine

FlatButton(
  onPressed: () async {
    String downloadPath =
        await getApplicationDocumentsDirectoryPath();
    if (File('$downloadPath/$name.pdf').existsSync()) {
      ShareExtend.share(
          File('$downloadPath/$name.pdf').path, 'file');
    } else {
      Scaffold.of(context).showSnackBar(
        SnackBar(

tirth-aubergine

FlatButton(
  onPressed: () async {
    String downloadPath =
        await getApplicationDocumentsDirectoryPath();
    if (File('$downloadPath/$name.pdf').existsSync()) {
      Navigator.pushNamed(context, '/viewer',
          arguments: {'view': '$downloadPath/$name.pdf'});
    } else {
      Scaffold.of(context).showSnackBar(
        SnackBar(

tirth-aubergine

import 'dart:io';

import 'package:flutter/material.dart';

import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart' as pdf;
import 'package:printing/printing.dart';
import 'package:path_provider/path_provider.dart';

Future<void> pdfGenerator(name) async {

tirth-aubergine

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