105 lines
3.5 KiB
Java
105 lines
3.5 KiB
Java
/*
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* Copyright 2018 devemux86
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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.app.Activity;
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import android.os.Bundle;
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import android.os.Environment;
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import org.oscim.android.MapView;
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import org.oscim.backend.CanvasAdapter;
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import org.oscim.layers.tile.buildings.BuildingLayer;
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import org.oscim.layers.tile.vector.VectorTileLayer;
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import org.oscim.layers.tile.vector.labeling.LabelLayer;
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import org.oscim.renderer.GLViewport;
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import org.oscim.scalebar.DefaultMapScaleBar;
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import org.oscim.scalebar.MapScaleBar;
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import org.oscim.scalebar.MapScaleBarLayer;
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import org.oscim.theme.VtmThemes;
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import org.oscim.tiling.source.mapfile.MapFileTileSource;
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import java.io.File;
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/**
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* A very basic Android app example.
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* <p>
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* You'll need a map with filename germany.map from download.mapsforge.org in device storage.
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* Can be berlin.map renamed as germany.map because of smaller size.
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*/
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public class GettingStarted extends Activity {
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// Name of the map file in device storage
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private static final String MAP_FILE = "germany.map";
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private MapView mapView;
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private MapScaleBar mapScaleBar;
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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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// Map view
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mapView = new MapView(this);
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setContentView(mapView);
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// Tile source
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MapFileTileSource tileSource = new MapFileTileSource();
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String mapPath = new File(Environment.getExternalStorageDirectory(), MAP_FILE).getAbsolutePath();
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if (tileSource.setMapFile(mapPath)) {
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// Vector layer
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VectorTileLayer tileLayer = mapView.map().setBaseMap(tileSource);
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// Building layer
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mapView.map().layers().add(new BuildingLayer(mapView.map(), tileLayer));
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// Label layer
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mapView.map().layers().add(new LabelLayer(mapView.map(), tileLayer));
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// Render theme
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mapView.map().setTheme(VtmThemes.DEFAULT);
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// Scale bar
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mapScaleBar = new DefaultMapScaleBar(mapView.map());
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MapScaleBarLayer mapScaleBarLayer = new MapScaleBarLayer(mapView.map(), mapScaleBar);
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mapScaleBarLayer.getRenderer().setPosition(GLViewport.Position.BOTTOM_LEFT);
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mapScaleBarLayer.getRenderer().setOffset(5 * CanvasAdapter.getScale(), 0);
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mapView.map().layers().add(mapScaleBarLayer);
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// Note: this map position is specific to Berlin area
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mapView.map().setMapPosition(52.517037, 13.38886, 1 << 12);
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}
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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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mapView.onResume();
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}
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@Override
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protected void onPause() {
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mapView.onPause();
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super.onPause();
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}
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@Override
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protected void onDestroy() {
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if (mapScaleBar != null)
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mapScaleBar.destroy();
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mapView.onDestroy();
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super.onDestroy();
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}
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}
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