2015. augusztus 21., péntek

Marble Maps - Find your way and explore the world on Android!

Update 1: Google Play still not has the newest version, but it is incomming in the following days
Update 2: There is an open beta version now, you can get it from here from Google Play.

Marble Maps has the following features:
  • Wondering around on the map
    • You can move the map with one finger by dragging the map with it
    • It will increase the zoom if you touch double times fast to the map
    • You can also zoom with two fingers (only supported on multitouch devices)
  • Handling your position
    • You can check your position on the map
    • You can check the distance and direction to your position when your position is not visible
    • You can center the view to your position
  • Routing
    • You can plan routes via interactive placemarks, you have to search for something and after that, you can use the result as a waypoint
    • Also, you can modify the route instead of the interactive waypoints with the route editor which is available from the menu

    • To get the routing instructions, visit the menu too
    • You can select from three routing profile: with car, with bike or as a pedestrian
  • Navigation
    • You can navigate on the route what you have planned previously, or you can also navigate to a single destination
    • Marble Maps shows your position on the route with a different icon
    • It provides turn-by-turn based navigation
    • It uses the Text To Speech interface of the Android system to provide voice instructions. To use it, please install it from Google Play
    • It shows the next instruction and its distance too
    • The current speed and the distance to the destination is also visible 

Some techincal background:
Marble's base source code in this summer has become Android compatible. If you want an Android app can be built on the top of it. Any map can be loaded in, and all of the projections are available. It supports some plugins too.

And finally my personal experience about the summer:
I liked to work on this project very much because I have learned a lot of new things, like coding technics, I have got closer to QML and I also have had a deeper insight on how Android applications work. It was also good to work with the people of the community. I would like to thank to everybody who helped me this summer, especially to Dennis Nienhüser and to Torsten Rahn. Without them Marbe on Android would be still a dream.

Thank you Google for this fantastic opportunity!

But the story is not end here, so stay tuned...

2015. július 1., szerda

The Earth, on Android

In the previous month I worked on compiling Marble widget to Android. It was a long and hard road but it is here:

(I shot this screenshot on my phone)

The globe can be rotated, and the user can zoom with the usual zooming gesture. Here is a short video example:

The hardest part was to figure out, how to compile everything with cmake instead of qmake and Qt Creator. There are some very basic things what can sabotage your successfully packaged and deployed app. For example if you did not set a version number in cmake for your library...

As you maybe know Marble also uses some elements of QtWebKit, but this is not supported on Android. So I introduced some dummy classes to substitute these (of course, not in their useability) to be able to compile Marble for Android.

You can find here step-by-step instructions, how to compile Marble Maps for Android:

The next steps:
We have decided to separate Marble's functionality into two separate apps. I introduce you Marble Maps and Marble Globe. As their name suggests Marble Map will be essentially a map application with navigation, and Marble Globe will be an app where you can switch to other planets, view historical maps, etc. what also can be used for teaching purposes.

The main goal for the summer to give life for Marble Maps. But if everything goes fine, Marble Globe can be expected too.

To close this article, here are some screenshots:

2015. május 27., szerda

It is official, Marble is coming to Android

First, I would like to announce, I have been chosen as a Google Summer of Code student and my task is to provide a working version of Marble on Android at the end of the summer.
This is a very important for Marble, because Marble currently only available on Desktop and on same rare mobile platforms (Maemo, MeeGo) but on the most widespread platform (Android), not. It is very sad because it is more and more common in education systems that they use TVs, tablets and smartphones with Android so they can’t use Marble as an educational tool.
The supported Android platforms will be Android v2.3.3 (API level 10) and higher, because it will be ported with Qt for Android.

The work has been started. Stay tuned...