Android Addicted Apps Creator

Compass VO

image Compass VO – a neat compass for your Orientation skills!

image_thumb3

 

Developer Notes:

I was really pleased to make this app as it contained a few challenges for me: first I needed to create the custom view that takes care of the compass and compass needle. As an extra feature, it needed to have the possibility to rotate it to a desired angle. Another challenge was taking a picture of the map and using it as a background for the main layout. This was somehow easy to achieve but the interesting part comes after: the user can rotate, zoom, pinch the image as desired. Because of high resolution images and limited power of some smartphones, this proved to be tricky but in the end everything turned out fine and my friend and client was very pleased with the result.

The application uses the following:

  • – SurfaceView for building the camera preview
  • – multitouch gestures for image manipulation by the user: drag, zoom, rotate with one or two fingers
  • – custon View with gestures
  • – large image manipulation without OutOfMemory errors
  • – the awsome ViewPager control
  • – magnetic and accelerometer sensors along with value filtering
  • – custom fonts
  • – GPS/Wireless location

 

Official description

All you orienteering fans, gather around, I have a great announcement for you. Not an orienteering fan? No problem, after trying Compass VO along with Virtual Orienteering for Android you will be. I know what you were thinking when saw the app name “Oh boy, not another compass application”. The Android Market is full of compass applications, each having nice features and options. So, why a new one? That’s what I’ve asked the creators of the concept behind Compass VO. The answer is simple: it has some pretty neat features not found on other products that you’ll enjoy at max.

What makes Compass VO worth to try?

  • Use the popular 1, 2, 3 compass system along with this digital compass, the same as a real compass.
  • You can easily use an image of a map as a background. The image can be taken either from the phone’s Gallery or live with in-app integrated camera preview. But this is not all, after loading the map image you can manipulate it to suit your needs: rotate, zoom in and out, pan, everything is at your finger. The background remains saved and you can always update it, even after application is reopened.

image_thumb5

  • Uses internal magnetic field and accelerometer sensor combined with GPS and wireless networks to offer accurate information. This allows you to choose if you want to use the magnetic heading or the true heading. All received information is available, depending on chosen theme.

image_thumb7

  • Compass dial for target bearing and/or orienteering.

image_thumb9

  • Multiple themes (Orienteering, Digital, Compass Rose, Mango graphics, Night, Android, many to come in the future) for each user’s taste, maybe you like a light theme or maybe a darker one… or why not the special Green robot theme

image_thumb13image_thumb14image_thumb15

  • No annoying ads, no pop-ups, no interruptions, no user spying.

I tried to keep permissions as few as possible. As you will see no “suspect” permissions like access your personal data or internet connection. So the ones that are needed are as follows:
Camera: used only on your request, with preview in order to take a photo of a map
Access fine location: used to calculate the Geographic North and offer Magnetic declination.
Wake lock: used to keep the screen on all the time. This is an option in Settings, but keep in mind that it uses a lot of battery.

As a side note, please keep in mind that the accuracy of magnetic sensors in android powered devices is very variable. Based from manufacturer to manufacturer this can vary from pretty good accuracy to an unreliable one. You can always try to calibrate by holding the phone in front of you and moving it in a Figure-8 pattern, to see if it improves.

Are you convinced to give it a try ? I sure hope so. Please take a look at About page in Settings. You can rate it in Android Market (5 stars please ) or if you encounter any problems drop us an email and will do our best go fix it as fast as possible.
In the end, I must say I really enjoy working with the professional team from Just Windows Phone. Compass VO was made originally for Windows Phone Mango, carefully designed and implemented by them, and then ported by me on Android platform. I bet you wondered from what comes VO in the title? From Virtual Orienteering, this is the father project, Compass VO being a free tool to complete it. I invite you to also take a look at Virtual Orienteering community and the android application from the market.

Special thanks to:
Virtual Orienteering – Find your way! – www.vorienteering.com

image_thumb19

Just Windows Phonewww.just-windows-phone.com

image_thumb18

Presentation of the Windows Phone 7.5 version of Compass VO

google_play  https://play.google.com/store/apps/details?id=com.vorienteering.compassvo

Leave a Comment »

No comments yet.

RSS feed for comments on this post. TrackBack URI

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: