Android example source code file (LocationManagerTest.java)

This example Android source code file (LocationManagerTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, androidtestcase, content, criteria, exception, input, location, locationmanager, locationmanagertest, locationprovider, log_tag, override, service, string, suppress, test, util

The LocationManagerTest.java Android example source code

/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.location;

import android.content.Context;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationManager;
import android.location.LocationProvider;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.Suppress;
import android.util.Log;

@Suppress
public class LocationManagerTest extends AndroidTestCase {
    private static final String LOG_TAG = "LocationManagerTest";

    private LocationManager manager;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        manager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);
        assertNotNull(manager);
    }

    public void testGetBogusProvider() {
        LocationProvider p = manager.getProvider("bogus");
        assertNull(p);
    }

    public void testGetNetworkProvider() {
        LocationProvider p = manager.getProvider("network");
        assertNotNull(p);
    }

    public void testGetGpsProvider() {
        LocationProvider p = manager.getProvider("gps");
        assertNotNull(p);
    }

    public void testGetBestProviderEmptyCriteria() {
        String p = manager.getBestProvider(new Criteria(), true);
        assertNotNull(p);
    }

    public void testGetBestProviderPowerCriteria() {
        Criteria c = new Criteria();
        c.setPowerRequirement(Criteria.POWER_HIGH);
        String p = manager.getBestProvider(c, true);
        assertNotNull(p);

        c.setPowerRequirement(Criteria.POWER_MEDIUM);
        p = manager.getBestProvider(c, true);
        assertNotNull(p);

        c.setPowerRequirement(Criteria.POWER_LOW);
        p = manager.getBestProvider(c, true);
        assertNotNull(p);

        c.setPowerRequirement(Criteria.NO_REQUIREMENT);
        p = manager.getBestProvider(c, true);
        assertNotNull(p);
    }

    public void testGpsTracklog() {
        LocationProvider p = manager.getProvider("gps");
        assertNotNull(p);

        // TODO: test requestUpdates method
    }

    public void testLocationConversions() {
        String loc1 = Location.convert(-80.075, Location.FORMAT_DEGREES);
        Log.i(LOG_TAG, "Input = " + (-80.075) + ", output = " + loc1);
        assertEquals("-80.075", loc1);

        String loc1b = Location.convert(-80.0, Location.FORMAT_DEGREES);
        Log.i(LOG_TAG, "Input = " + (-80.0) + ", output = " + loc1b);
        assertEquals("-80", loc1b);

        String loc2 = Location.convert(-80.085, Location.FORMAT_DEGREES);
        Log.i(LOG_TAG, "Input = " + (-80.085) + ", output = " + loc2);
        assertEquals("-80.085", loc2);

        String loc3 = Location.convert(-80.085, Location.FORMAT_MINUTES);
        Log.i(LOG_TAG, "Input = " + (-80.085) + ", output = " + loc3);
        assertEquals("-80:5.1", loc3);

        String loc4 = Location.convert(-80.085, Location.FORMAT_SECONDS);
        Log.i(LOG_TAG, "Input = " + (-80.085) + ", output = " + loc4);
        assertEquals("-80:5:6", loc4);

        String loc5 = Location.convert(5 + 0.5f / 60.0f, Location.FORMAT_MINUTES);
        Log.i(LOG_TAG, "Input = 5:0.5, output = " + loc5);
        int index = loc5.indexOf(':');
        String loc5a = loc5.substring(0, index);
        Log.i(LOG_TAG, "loc5a = " + loc5a);
        assertTrue(loc5a.equals("5"));
        String loc5b = loc5.substring(index + 1);
        Log.i(LOG_TAG, "loc5b = " + loc5b);
        double minutes = Double.parseDouble(loc5b);
        Log.i(LOG_TAG, "minutes = " + minutes);
        assertTrue(Math.abs(minutes - 0.5) < 0.0001);

        String loc6 = Location.convert(0.1, Location.FORMAT_DEGREES);
        Log.i(LOG_TAG, "loc6 = " + loc6);
        assertEquals(loc6, "0.1");

        String loc7 = Location.convert(0.1, Location.FORMAT_MINUTES);
        Log.i(LOG_TAG, "loc7 = " + loc7);
        assertEquals(loc7, "0:6");

        String loc8 = Location.convert(0.1, Location.FORMAT_SECONDS);
        Log.i(LOG_TAG, "loc8 = " + loc8);
        assertEquals(loc8, "0:6:0");
    }
}