libre_gps_parser/lib/elevation.dart

import 'package:flutter/material.dart';
import 'global_helper_functions.dart';

final double textHeight = 1.5;

InkWell elevAtion(BuildContext context, int elevation, int feetElevation) {
  return InkWell(
    child: Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: <Widget>[
        Text(
          'Elevation: ',
          style: TextStyle(
            height: textHeight,
            color: candyApple,
            fontSize: 16,
          ),
        ),
        RichText(
          text: TextSpan(
            children: <TextSpan>[
              TextSpan(
                text: feetElevation.toString(),
                style: TextStyle(
                  height: textHeight,
                  color: Colors.black,
                  fontSize: 16,
                ),
              ),
              TextSpan(
                text: ' feet, ',
                style: TextStyle(
                  height: textHeight,
                  color: Colors.black,
                  fontSize: 16,
                  fontStyle: FontStyle.italic,
                ),
              ),
            ],
          ),
        ),
        RichText(
          text: TextSpan(
            children: <TextSpan>[
              TextSpan(
                text: elevation.toString(),
                style: TextStyle(
                  height: textHeight,
                  color: Colors.black,
                  fontSize: 16,
                ),
              ),
              TextSpan(
                text: ' meters',
                style: TextStyle(
                  height: textHeight,
                  color: Colors.black,
                  fontSize: 16,
                  fontStyle: FontStyle.italic,
                ),
              ),
            ],
          ),
        ),
      ],
    ),
    onTap: () {
      showDialog(
          context: context,
          builder: (BuildContext context) {
            return AlertDialog(
              backgroundColor: ivory,
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.all(Radius.circular(6.0)),
              ),
              content: Column(
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  Text(
                    'You have to set up an Open-Elevation Api Server, and specify this in '
                    'settings. The instructions are a little bit out-dated, but it\'s not '
                    'too difficult to muddle through and set something up on a vps or '
                    'RaspberryPi or whatever.\n\n'
                    'A \$5 Digital Ocean Droplet doesn\'t have enough disk space, but '
                    'a \$5 LightSail instance does.',
                    textAlign: TextAlign.center,
                  ),
                  Container(
                    margin: EdgeInsets.only(
                      top: 40,
                      bottom: 10,
                    ),
                    child: ButtonTheme(
                      height: 75,
                      shape: RoundedRectangleBorder(
                        borderRadius: BorderRadius.all(Radius.circular(6.0)),
                      ),
                      child: RaisedButton(
                          color: peacockBlue,
                          child: Column(
                            children: <Widget>[
                              Container(
                                width: 150,
                                margin: EdgeInsets.only(
                                  top: 10,
                                ),
                                child: Row(
                                  mainAxisAlignment:
                                      MainAxisAlignment.spaceAround,
                                  children: <Widget>[
                                    Text(
                                      'github',
                                      style: TextStyle(
                                        height: textHeight,
                                        color: Colors.white,
                                        fontSize: 24,
                                      ),
                                    ),
                                    Icon(
                                      Icons.open_in_browser,
                                      size: 48,
                                      color: Colors.white,
                                    ),
                                  ],
                                ),
                              ),
                              Container(
                                margin: EdgeInsets.only(
                                  bottom: 15,
                                ),
                                child: Text(
                                  'open-elevation',
                                  style: TextStyle(
                                    height: textHeight,
                                    color: Colors.white,
                                    fontSize: 24,
                                  ),
                                ),
                              ),
                            ],
                          ),
                          onPressed: () {
                            Navigator.of(context).pop();
                            urlLaunch(
                                'https://github.com/Jorl17/open-elevation/blob/master/docs/host-your-own.md');
                          }),
                    ),
                  ),
                ],
              ),
            );
          });
    },
  );
}