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**Dummy Localizer ** is a zero location generator just for testing and help for customise your own positioning application. It helps you attach your positioning system with our logging application.

Features

  • Contain IPIN'14 Competition Common Library : libs/ipin2014_common.jar
  • 1:1 Bluetooh Data Communication
  • Zero Coordinates Output Generation
  • Sending the Output to Logging Application

Logging Application Workflow

workflow

Demos

This is a sample sequence of location logging:

screenshot1

Files

  • Logging App. : IPIN2014_Logger.apk
  • Dummy App. : bin/IPIN2014_DummyLocalizer.apk
  • IPIN Common Lib. : libs/ipin2014_common.jar

Download

Download this repository. Copy the apk file to an Android that can run 4.x or greater.

IPIN'14 Competition Common Library

LocationSender Class

LocationSender(Context context)

Class which has the bluetooth connectivity and pairing information.

LocationSender.listen()

Keep listening until a socket is connected.

After this method is called, you can make a connection by pushing "Connect" button on logging app. Note that when this method is called, the bluetooth adapter should be discoverable by logging app to make a connection.

sendLocation(double lat, double lng, int level)

Send estimated location with timestamp to the connected logging app.

The coordinate of the location should be presented in WGS-84 (World Geodetic System) and it also should contain the information of floor level. This method should be called whenever you have a new positioning result, while the bluetooth connection is maintained.

Sample Code Review

private View.OnClickListener mBtnListener = new View.OnClickListener() {
		
		@Override
		public void onClick(View v) {
			switch ( v.getId() ) {
			case R.id.btn_listen:
				Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
				discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
				startActivity(discoverableIntent);
				
				mSender.listen();
				
				break;
			case R.id.btn_sendLocation:
				mSender.sendLocation(.0, .0, 0);
				break;
			}
		}
	};

** comments: **

  1. When listen button clicked, make bluetooh discoverable and listen
  2. When send button clicked, send the location (lat, lng, level) to logging application
  3. 2 process must be done after connect with logging application

Support

If you need help using Dummy Localizer, or have found a bug, please create an issue on the GitHub repo