avoid stutter when moving map away from current location

ev-map · Aug 11, 2024 · a6373d5 · a6373d5
1 parent 2af87f4
commit a6373d5
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/app/src/main/java/net/vonforst/evmap/auto/MapScreen.kt b/app/src/main/java/net/vonforst/evmap/auto/MapScreen.kt
@@ -138,6 +138,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
     private var map: AnyMap? = null
     private var markerManager: MarkerManager? = null
     private var myLocationEnabled = false
+    private var myLocationNeedsUpdate = false
 
     private val formatter = ChargerListFormatter(ctx, this)
     private val backPressedCallback = object : OnBackPressedCallback(false) {
@@ -625,18 +626,23 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
         mapSurfaceCallback.cameraMoveStartedListener = {
             if (myLocationEnabled) {
                 myLocationEnabled = false
-                invalidate()
+                myLocationNeedsUpdate = true
             }
         }
 
         mapSurfaceCallback.cameraIdleListener = {
             loadChargers()
+            if (myLocationNeedsUpdate) {
+                invalidate()
+                myLocationNeedsUpdate = false
+            }
         }
         loadChargers()
     }
 
     private fun enableLocation() {
         myLocationEnabled = true
+        myLocationNeedsUpdate = true
         if (location != null) {
             val map = map ?: return
             mapSurfaceCallback.animateCamera(
@@ -646,6 +652,5 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                 )
             )
         }
-        invalidate()
     }
 }