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add onDetach-method to MapScaleBarLayer to free resources automatically

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removed mapScaleBar.destroy() methods from onDestroy-Activity methods
changed global mapScaleBar-variables to local
This commit is contained in:
Meibes
2020-01-26 16:39:44 +01:00
parent f449a0a6fb
commit ebe98c8990
4 changed files with 9 additions and 24 deletions
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11
vtm-android-example/src/org/oscim/android/test/MapsforgeActivity.java
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@@ -65,7 +65,6 @@ public class MapsforgeActivity extends MapActivity {
private static final Tag SEA_TAG = new Tag("natural", "sea");
private TileGridLayer mGridLayer;
private DefaultMapScaleBar mMapScaleBar;
private Menu mMenu;
private boolean mS3db;
private VectorTileLayer mTileLayer;
@@ -93,14 +92,6 @@ public class MapsforgeActivity extends MapActivity {
SELECT_MAP_FILE);
}
@Override
protected void onDestroy() {
if (mMapScaleBar != null)
mMapScaleBar.destroy();
super.onDestroy();
}
public static class MapFilePicker extends FilePicker {
public MapFilePicker() {
setFileDisplayFilter(new FilterByFileExtension(".map"));
@@ -197,7 +188,7 @@ public class MapsforgeActivity extends MapActivity {
mMap.layers().add(new BuildingLayer(mMap, mTileLayer));
mMap.layers().add(new LabelLayer(mMap, mTileLayer));
mMapScaleBar = new DefaultMapScaleBar(mMap);
DefaultMapScaleBar mMapScaleBar = new DefaultMapScaleBar(mMap);
mMapScaleBar.setScaleBarMode(DefaultMapScaleBar.ScaleBarMode.BOTH);
mMapScaleBar.setDistanceUnitAdapter(MetricUnitAdapter.INSTANCE);
mMapScaleBar.setSecondaryDistanceUnitAdapter(ImperialUnitAdapter.INSTANCE);