fix start of DataHandler when map is ready

Author: wuan

app/build.gradle

@@ -12,7 +12,7 @@ android {
         applicationId "org.blitzortung.android.app"
         minSdkVersion 21
         targetSdkVersion 35
-        versionCode 339
+        versionCode 340
         versionName '2.4.0'
         multiDexEnabled false
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

app/src/main/java/org/blitzortung/android/alert/handler/AlertHandler.kt

@@ -95,8 +95,8 @@ class AlertHandler @Inject constructor(
 
     val dataEventConsumer: (Event) -> Unit = { event ->
         if (event is ResultEvent) {
-            Log.v(Main.LOG_TAG, "AlertHandler.dataEventConsumer $event")
             if (!event.flags.ignoreForAlerting) {
+                Log.v(Main.LOG_TAG, "AlertHandler.dataEventConsumer $event")
                 if (!event.failed && event.containsRealtimeData() && event.strikes != null) {
                     val strikes = Strikes(event.strikes, event.gridParameters)
                     checkStrikes(strikes, locationHandler.location)

app/src/main/java/org/blitzortung/android/app/Main.kt

@@ -484,15 +484,22 @@ class Main : FragmentActivity(), OnSharedPreferenceChangeListener {
 
         locationHandler.start()
 
-        mapFragment.mapView.addOnFirstLayoutListener { thisMapView, _, _, _, _ ->
-            val ownMapView = thisMapView as OwnMapView
-            dataHandler.updateGrid(ownMapView, dataHandler.autoGridSize)
-            strikeListOverlay.onZoom(ZoomEvent(ownMapView, ownMapView.zoomLevelDouble))
-
-            dataHandler.start()
+        if (mapFragment.mapView.isLaidOut) {
+            startDataHandler(mapFragment.mapView)
+        } else {
+            mapFragment.mapView.addOnFirstLayoutListener { thisMapView, _, _, _, _ ->
+                startDataHandler(thisMapView as OwnMapView)
+            }
         }
     }
 
+    private fun startDataHandler(mapView: OwnMapView) {
+        dataHandler.updateGrid(mapView, dataHandler.autoGridSize)
+        strikeListOverlay.onZoom(ZoomEvent(mapView, mapView.zoomLevelDouble))
+
+        dataHandler.start()
+    }
+
     private fun enableDataUpdates() {
         with(locationHandler) {
             requestUpdates(ownLocationOverlay.locationEventConsumer)

app/src/main/java/org/blitzortung/android/app/view/HistogramView.kt

@@ -116,7 +116,6 @@ class HistogramView @JvmOverloads constructor(
             val xd = (width - 2 * padding) / (histogram.size - 1)
 
             val y0 = height - padding
-            Log.v(LOG_TAG, "HistogramView.onDraw() height: $height, top $topCoordinate")
             val yd = (height - topCoordinate - padding) / ymax
 
             foregroundPaint.strokeWidth = 5f