Save map position after it is changed

app/src/main/java/mobi/maptrek/MainActivity.java

@@ -674,7 +674,12 @@ public void onChildViewRemoved(View parent, View child) {
  int strokeColor = resources.getColor(R.color.colorBackground, theme);
  DefaultMapScaleBar mapScaleBar = new DefaultMapScaleBar(mMap, MapTrek.density * .75f, paintColor, strokeColor);
  mMapScaleBarLayer = new MapScaleBarLayer(mMap, mapScaleBar);
- mCrosshairLayer = new CrosshairLayer(mMap, MapTrek.density, paintColor);
+ mCrosshairLayer = new CrosshairLayer(mMap, MapTrek.density, paintColor, new Runnable() {
+ @Override
+ public void run() {
+ Configuration.setPosition(mMap.getMapPosition());
+ }
+ });
  mLocationOverlay = new LocationOverlay(mMap, MapTrek.density);
  layers.add(mMapScaleBarLayer, MAP_OVERLAYS);
  layers.add(mCrosshairLayer, MAP_OVERLAYS);

app/src/main/java/mobi/maptrek/layers/CrosshairLayer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 Andrey Novikov
+ * Copyright 2024 Andrey Novikov
  *
  * 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
@@ -33,12 +33,14 @@
 import static org.oscim.backend.GLAdapter.gl;
 
 public class CrosshairLayer extends Layer implements Map.UpdateListener {
- private int mColor;
+ private final Runnable mOnHide;
+ private final int mColor;
 
- public CrosshairLayer(Map map, float scale, int color) {
+ public CrosshairLayer(Map map, float scale, int color, Runnable onHide) {
  super(map);
  mColor = color;
  mRenderer = new CrosshairRenderer(scale, color);
+ mOnHide = onHide;
  }
 
  @Override
@@ -174,6 +176,7 @@ public void render(GLViewport v) {
  float alpha = 1f - animPhase();
  if (alpha > mAlpha || alpha < 0.01f) {
  mAlpha = 0f;
+ mMap.post(mOnHide);
  animate(false);
  } else {
  mAlpha = alpha;