December 17, 2015

Smart Compass (v1.7) manual

Hello. I'm Android Boy.

Smart Compass is a tool to search bearings (direction, azimuth) using a magnetic sensor that is combined in your device. You can select either magnetic north or true north.

It has 4 major features.
 1) Although you turn your device into portrait or landscape mode, the heading is fixed.
 2) Camera view for reality.
 3) It shows magnetic field level to verify built-in sensors.
 4) GPS and Google Maps are supported.


※ Introduction video



※ Compass modes
  1) Standard (default) : camera on/off
  2) Telescope : camera zoom
  3) Night : dim backlight, red text
  4) Digital : without center wheel
  5) Google Maps
  6) Google Maps (satellite)


※ Wrong direction ???
  - The compass accuracy depends on the performance of your sensors. If the direction is wrong, it means that one of your sensors is poor or out of order. Don't blame compass apps.

  - Confirm that magnetic field is normal (about 49μT in nature). If it is out of bounds, initialize your sensor. Point your device up towards the sky and move it in a figure 8 pattern. Please watch youtube video below.

  - Since 2014, samsung view covers with a magnet or a leather cases with a magnetic snap used to cause unwanted results.

  - I had a Galaxy Ace phone that was 4 years old. It was very inaccurate. To my surprise, it worked perfectly after replacing the battery with a new one.


※ Menu & Settings


※ Background image
  - [Background image] option can show recent 50 thumb nails from your gallery.

  - When the picture that you want to select does not appear, rename its name as "compass.png" or "compass.jpg". Then it will appear at the beginning.


※ Acceleration sensor turn on/off
  - My compass requires 2-3 sensors (acceleration sensor, magnetic sensor, orientation sensor) to improve the performance.

  - If your phone had unstable sensors, the direction could be inaccurate. I had heard that several Motorola devices (Droid X, DROID RAZR, DROID BIONIC...) had this issue.
  - In this case, turn off [Acceleration sensor] option. This app will use an orientation sensor only.


※ True north vs. Magnetic north
  - When you turn on [True North] option, this app will calculate true north with your GPS location.
  - When GPS is available, the app will show "True north : xx˚ ". xx means "magnetic declination". Positive means that magnetic field is rotated east that much from true north.

  - If true north does not appear, please activate GPS hardware.
  - To confirm your magnetic declination, visit this website. File:World Magnetic Declination 2010.pdf


※ FAQ
Q. The compass does not work or says "Magnetic Sensor Error!!".
A. Several new devices had no magnetic sensor. Please check your specs.

Q. The compass works, but it shows wrong direction.
A. I guess that your built-in sensors are unstable and weakened by time.  In order to initialize sensor, go menu -> calibrate menu.

Q. True north does not appear.
A. After GPS is activated, the app can show true north.

Q. Why does this app require internet connection?
A. The connection is required for ads and Google Maps. You may turn it off.

Q. What is the orange triangle?
A. It denotes the topside of your device. No matter how you hold the compass in portrait or landscape or even cross but it should be in vertical condition.

Q. The battery drains very fast.
A. It is an issue of old OS. To finish the app exactly, use the More -> Exit menu



※ Pro version additional features:
 1) No ads
 2) Direction (qibla finder, car locator) feature
 3) Sharing your location and screenshots via SNS and email
Get it on Google Play


 What's new
 - v1.7.3 : Google Maps update (OpenGL ES versions 2.0+)
 - v1.7.2 : Minor fix on tablets
 - v1.7.1 : Galaxy S7 support, minor fix on Maps
 - v1.7.0 : Jpeg with GPS tag
 - v1.7 : Material design
 - v1.6 : GPS,  True north, Google Maps
 - v1.5 : Action Bar
 - v1.4 : Acceleration sensor on/off
 - v1.3 : Tablet PC support.
 - v1.0 : Smart Compass released (Aug. 2010)
https://play.google.com/store/apps/details?id=kr.sira.compass

If you have any idea to improve it, feel free to contact me. androidboy1@gmail.com
Thank you.