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POI search sample: open / close DB at start / exit #32

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Emux
2018-02-17 12:39:11 +02:00
parent 7e0d4f64dd
commit f1570a9531
1 changed files with 14 additions and 11 deletions
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25
vtm-android-example/src/org/oscim/android/test/PoiSearchActivity.java
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@@ -1,5 +1,5 @@
/* /*
* Copyright 2017 devemux86 * Copyright 2017-2018 devemux86
* *
* This program is free software: you can redistribute it and/or modify it under the * 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 * terms of the GNU Lesser General Public License as published by the Free Software
@@ -58,11 +58,11 @@ public class PoiSearchActivity extends MapsforgeActivity implements ItemizedLaye
private static final Logger log = LoggerFactory.getLogger(PoiSearchActivity.class); private static final Logger log = LoggerFactory.getLogger(PoiSearchActivity.class);
private static String POI_FILE;
private static final String POI_CATEGORY = "Restaurants"; private static final String POI_CATEGORY = "Restaurants";
private static final int SELECT_POI_FILE = MapsforgeActivity.SELECT_THEME_FILE + 1; private static final int SELECT_POI_FILE = MapsforgeActivity.SELECT_THEME_FILE + 1;
private ItemizedLayer<MarkerItem> mMarkerLayer; private ItemizedLayer<MarkerItem> mMarkerLayer;
private PoiPersistenceManager mPersistenceManager;
public static class PoiFilePicker extends FilePicker { public static class PoiFilePicker extends FilePicker {
public PoiFilePicker() { public PoiFilePicker() {
@@ -78,6 +78,14 @@ public class PoiSearchActivity extends MapsforgeActivity implements ItemizedLaye
mMap.layers().add(new PoiSearchActivity.MapEventsReceiver(mMap)); mMap.layers().add(new PoiSearchActivity.MapEventsReceiver(mMap));
} }
@Override
protected void onDestroy() {
if (mPersistenceManager != null)
mPersistenceManager.close();
super.onDestroy();
}
@Override @Override
public boolean onCreateOptionsMenu(Menu menu) { public boolean onCreateOptionsMenu(Menu menu) {
return false; return false;
@@ -99,7 +107,8 @@ public class PoiSearchActivity extends MapsforgeActivity implements ItemizedLaye
return; return;
} }
POI_FILE = intent.getStringExtra(FilePicker.SELECTED_FILE); String file = intent.getStringExtra(FilePicker.SELECTED_FILE);
mPersistenceManager = AndroidPoiPersistenceManagerFactory.getPoiPersistenceManager(file);
Bitmap bitmap = drawableToBitmap(getResources().getDrawable(R.drawable.marker_green)); Bitmap bitmap = drawableToBitmap(getResources().getDrawable(R.drawable.marker_green));
MarkerSymbol symbol = new MarkerSymbol(bitmap, MarkerSymbol.HotspotPlace.BOTTOM_CENTER); MarkerSymbol symbol = new MarkerSymbol(bitmap, MarkerSymbol.HotspotPlace.BOTTOM_CENTER);
@@ -151,22 +160,16 @@ public class PoiSearchActivity extends MapsforgeActivity implements ItemizedLaye
@Override @Override
protected Collection<PointOfInterest> doInBackground(BoundingBox... params) { protected Collection<PointOfInterest> doInBackground(BoundingBox... params) {
// Search POI // Search POI
PoiPersistenceManager persistenceManager = null;
try { try {
persistenceManager = AndroidPoiPersistenceManagerFactory.getPoiPersistenceManager(POI_FILE); PoiCategoryManager categoryManager = mPersistenceManager.getCategoryManager();
PoiCategoryManager categoryManager = persistenceManager.getCategoryManager();
PoiCategoryFilter categoryFilter = new ExactMatchPoiCategoryFilter(); PoiCategoryFilter categoryFilter = new ExactMatchPoiCategoryFilter();
categoryFilter.addCategory(categoryManager.getPoiCategoryByTitle(category)); categoryFilter.addCategory(categoryManager.getPoiCategoryByTitle(category));
org.mapsforge.core.model.BoundingBox bb = new org.mapsforge.core.model.BoundingBox( org.mapsforge.core.model.BoundingBox bb = new org.mapsforge.core.model.BoundingBox(
params[0].getMinLatitude(), params[0].getMinLongitude(), params[0].getMinLatitude(), params[0].getMinLongitude(),
params[0].getMaxLatitude(), params[0].getMaxLongitude()); params[0].getMaxLatitude(), params[0].getMaxLongitude());
return persistenceManager.findInRect(bb, categoryFilter, null, Integer.MAX_VALUE); return mPersistenceManager.findInRect(bb, categoryFilter, null, Integer.MAX_VALUE);
} catch (Throwable t) { } catch (Throwable t) {
log.error(t.getMessage(), t); log.error(t.getMessage(), t);
} finally {
if (persistenceManager != null) {
persistenceManager.close();
}
} }
return null; return null;
} }