128 lines
4.4 KiB
Java
128 lines
4.4 KiB
Java
/*
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* Copyright 2016-2018 devemux86
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* Copyright 2018 Longri
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.oscim.android.test;
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import android.content.Context;
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import android.location.Location;
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import android.location.LocationListener;
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import android.location.LocationManager;
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import android.os.Bundle;
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import org.oscim.backend.CanvasAdapter;
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import org.oscim.backend.canvas.Bitmap;
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import org.oscim.backend.canvas.Color;
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import org.oscim.core.MapPosition;
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import org.oscim.layers.LocationTextureLayer;
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import org.oscim.renderer.atlas.TextureAtlas;
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import org.oscim.renderer.atlas.TextureRegion;
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import org.oscim.renderer.bucket.TextureItem;
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import org.oscim.utils.IOUtils;
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import java.io.IOException;
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import java.io.InputStream;
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public class LocationTextureActivity extends BitmapTileActivity implements LocationListener {
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private LocationTextureLayer locationLayer;
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private LocationManager locationManager;
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private final MapPosition mapPosition = new MapPosition();
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
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// load a Bitmap/SVG from resources
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InputStream is = null;
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Bitmap bmp = null;
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try {
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is = getResources().openRawResource(R.raw.arrow);
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float scale = CanvasAdapter.getScale();
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bmp = CanvasAdapter.decodeSvgBitmap(is, (int) (60 * scale), (int) (60 * scale), 100);
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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IOUtils.closeQuietly(is);
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}
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// create TextureRegion from Bitmap
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TextureRegion textureRegion = new TextureRegion(new TextureItem(bmp), new TextureAtlas.Rect(0, 0, bmp.getWidth(), bmp.getHeight()));
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// create LocationTextureLayer with created/loaded TextureRegion
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locationLayer = new LocationTextureLayer(mMap, textureRegion);
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// set color of accuracy circle (Color.BLUE is default)
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locationLayer.locationRenderer.setAccuracyColor(Color.get(50, 50, 255));
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// set color of indicator circle (Color.RED is default)
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locationLayer.locationRenderer.setIndicatorColor(Color.MAGENTA);
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// set billboard rendering for TextureRegion (false is default)
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locationLayer.locationRenderer.setBillboard(false);
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locationLayer.setEnabled(false);
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mMap.layers().add(locationLayer);
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}
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@Override
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protected void onResume() {
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super.onResume();
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enableAvailableProviders();
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}
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@Override
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protected void onPause() {
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super.onPause();
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locationManager.removeUpdates(this);
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}
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@Override
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public void onLocationChanged(Location location) {
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locationLayer.setEnabled(true);
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locationLayer.setPosition(location.getLatitude(), location.getLongitude(), location.getBearing(), location.getAccuracy());
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// Follow location
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mMap.getMapPosition(mapPosition);
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mapPosition.setPosition(location.getLatitude(), location.getLongitude());
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mMap.setMapPosition(mapPosition);
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}
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@Override
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public void onProviderDisabled(String provider) {
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}
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@Override
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public void onProviderEnabled(String provider) {
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}
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@Override
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public void onStatusChanged(String provider, int status, Bundle extras) {
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}
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private void enableAvailableProviders() {
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locationManager.removeUpdates(this);
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for (String provider : locationManager.getProviders(true)) {
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if (LocationManager.GPS_PROVIDER.equals(provider)
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|| LocationManager.NETWORK_PROVIDER.equals(provider)) {
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locationManager.requestLocationUpdates(provider, 0, 0, this);
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}
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}
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}
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}
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