MobilityInterface.java

package org.ohmage.mobility.glue;

import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.widget.Toast;

public class MobilityInterface
{
	public static final String KEY_MODE = "mode";
	public static final String KEY_ID = "id";
	public static final String KEY_SPEED = "speed";
	public static final String KEY_STATUS = "status";
	public static final String KEY_LOC_TIMESTAMP = "location_timestamp";
	public static final String KEY_ACCURACY = "accuracy";
	public static final String KEY_PROVIDER = "provider";
	public static final String KEY_WIFIDATA = "wifi_data";
	public static final String KEY_ACCELDATA = "accel_data";
	public static final String KEY_TIMEZONE = "timezone";
	public static final String KEY_ROWID = "_id";
	public static final String KEY_TIME = "time";
	public static final String KEY_LATITUDE = "latitude";
	public static final String KEY_LONGITUDE = "longitude";
	public static final String KEY_DURATION = "duration";
	public static final String KEY_DAY = "day";
	public static final String KEY_USERNAME = "username";

	public static final String WALK = "walk";
	public static final String RUN = "run";
	public static final String STILL = "still";
	public static final String DRIVE = "drive";
	public static final String BIKE = "bike";
	public static final String ERROR = "error";
	public static final String UNKNOWN = "unknown";

	private static String [] columns = {KEY_ROWID, KEY_ID, KEY_MODE, KEY_SPEED, KEY_STATUS, KEY_LOC_TIMESTAMP, KEY_ACCURACY, KEY_PROVIDER, KEY_WIFIDATA, KEY_ACCELDATA, KEY_TIME, KEY_TIMEZONE, KEY_LATITUDE, KEY_LONGITUDE};
	// Content provider strings
	public static final String AUTHORITY = "org.ohmage.mobility.MobilityContentProvider";

	public static final String PATH_MOBILITY = "mobility";
	public static final Uri CONTENT_URI = Uri.parse("content://"+AUTHORITY + "/" + PATH_MOBILITY);
	public static final String PATH_AGGREGATES = PATH_MOBILITY + "/" + "aggregates";
	public static final Uri AGGREGATES_URI = Uri.parse("content://"+AUTHORITY + "/" + PATH_AGGREGATES);
	public static final String PATH_AGGREGATES_ADD = PATH_AGGREGATES + "/" + "add";
	public static final Uri AGGREGATES_ADD_URI = Uri.parse("content://"+AUTHORITY + "/" + PATH_AGGREGATES_ADD);

	/**
	 * Helper function to get cursor to data with only the last retrieved timestamp.
	 * @param timestamp
	 * @return cursor to the data after the timestamp
	 */
	public static Cursor getMobilityCursor(Context context, Long timestamp) {
		ContentResolver r = context.getContentResolver();
		return r.query(CONTENT_URI, columns, KEY_TIME + " > ?", new String[] {String.valueOf(timestamp)}, KEY_TIME);
	}

	public static void showMobilityOptions(Context context) {
//		context.startActivity(new Intent(context, MobilityControl.class));
		try
		{
			final Intent intentDeviceTest = new Intent("android.intent.action.MAIN");
			intentDeviceTest.setComponent(new ComponentName("org.ohmage.mobility","org.ohmage.mobility.MobilityControl"));
			context.startActivity(intentDeviceTest);
		}
		catch(Exception e)
		{
			Toast.makeText(context, "There was an error. Please verify that Mobility has been installed.", Toast.LENGTH_SHORT).show();
		}
	}
}