Getting Started example in Samples #32

2018-02-24 16:31:22 +02:00
parent 27bf0316de
commit 88d94ede01
19 changed files with 144 additions and 37 deletions
--- a/vtm-android-example/src/org/oscim/android/test/GettingStarted.java
+++ b/vtm-android-example/src/org/oscim/android/test/GettingStarted.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2018 devemux86
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.android.test;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.os.Environment;
+
+import org.oscim.android.MapView;
+import org.oscim.backend.CanvasAdapter;
+import org.oscim.layers.tile.buildings.BuildingLayer;
+import org.oscim.layers.tile.vector.VectorTileLayer;
+import org.oscim.layers.tile.vector.labeling.LabelLayer;
+import org.oscim.renderer.GLViewport;
+import org.oscim.scalebar.DefaultMapScaleBar;
+import org.oscim.scalebar.MapScaleBar;
+import org.oscim.scalebar.MapScaleBarLayer;
+import org.oscim.theme.VtmThemes;
+import org.oscim.tiling.source.mapfile.MapFileTileSource;
+
+import java.io.File;
+
+/**
+ * A very basic Android app example.
+ * <p>
+ * You'll need a map with filename germany.map from download.mapsforge.org in device storage.
+ * Can be berlin.map renamed as germany.map because of smaller size.
+ */
+public class GettingStarted extends Activity {
+
+    // Name of the map file in device storage
+    private static final String MAP_FILE = "germany.map";
+
+    private MapView mapView;
+    private MapScaleBar mapScaleBar;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Map view
+        mapView = new MapView(this);
+        setContentView(mapView);
+
+        // Tile source
+        MapFileTileSource tileSource = new MapFileTileSource();
+        String mapPath = new File(Environment.getExternalStorageDirectory(), MAP_FILE).getAbsolutePath();
+        if (tileSource.setMapFile(mapPath)) {
+            // Vector layer
+            VectorTileLayer tileLayer = mapView.map().setBaseMap(tileSource);
+
+            // Building layer
+            mapView.map().layers().add(new BuildingLayer(mapView.map(), tileLayer));
+
+            // Label layer
+            mapView.map().layers().add(new LabelLayer(mapView.map(), tileLayer));
+
+            // Render theme
+            mapView.map().setTheme(VtmThemes.DEFAULT);
+
+            // Scale bar
+            mapScaleBar = new DefaultMapScaleBar(mapView.map());
+            MapScaleBarLayer mapScaleBarLayer = new MapScaleBarLayer(mapView.map(), mapScaleBar);
+            mapScaleBarLayer.getRenderer().setPosition(GLViewport.Position.BOTTOM_LEFT);
+            mapScaleBarLayer.getRenderer().setOffset(5 * CanvasAdapter.getScale(), 0);
+            mapView.map().layers().add(mapScaleBarLayer);
+
+            // Note: this map position is specific to Berlin area
+            mapView.map().setMapPosition(52.517037, 13.38886, 1 << 12);
+        }
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        mapView.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        mapView.onPause();
+        super.onPause();
+    }
+
+    @Override
+    protected void onDestroy() {
+        if (mapScaleBar != null)
+            mapScaleBar.destroy();
+        mapView.onDestroy();
+        super.onDestroy();
+    }
+}