diff options
Diffstat (limited to 'android-app/app/src/main/kotlin/org')
| -rw-r--r-- | android-app/app/src/main/kotlin/org/terst/nav/ui/map_orig/MapFragment.kt | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/android-app/app/src/main/kotlin/org/terst/nav/ui/map_orig/MapFragment.kt b/android-app/app/src/main/kotlin/org/terst/nav/ui/map_orig/MapFragment.kt deleted file mode 100644 index ea7b596..0000000 --- a/android-app/app/src/main/kotlin/org/terst/nav/ui/map_orig/MapFragment.kt +++ /dev/null @@ -1,167 +0,0 @@ -package org.terst.nav.ui.map - -import android.graphics.Bitmap -import android.graphics.Canvas -import android.os.Bundle -import android.view.LayoutInflater -import android.view.View -import android.view.ViewGroup -import androidx.core.content.ContextCompat -import androidx.fragment.app.Fragment -import androidx.fragment.app.activityViewModels -import androidx.lifecycle.Lifecycle -import androidx.lifecycle.lifecycleScope -import androidx.lifecycle.repeatOnLifecycle -import org.terst.nav.R -import org.terst.nav.data.model.WindArrow -import org.terst.nav.databinding.FragmentMapBinding -import org.terst.nav.ui.MainViewModel -import org.terst.nav.ui.UiState -import kotlinx.coroutines.launch -import org.maplibre.android.MapLibre -import org.maplibre.android.camera.CameraPosition -import org.maplibre.android.geometry.LatLng -import org.maplibre.android.maps.MapLibreMap -import org.maplibre.android.maps.Style -import org.maplibre.android.style.expressions.Expression -import org.maplibre.android.style.layers.PropertyFactory -import org.maplibre.android.style.layers.SymbolLayer -import org.maplibre.android.style.sources.GeoJsonSource -import org.maplibre.geojson.Feature -import org.maplibre.geojson.FeatureCollection -import org.maplibre.geojson.Point - -class MapFragment : Fragment() { - - private var _binding: FragmentMapBinding? = null - private val binding get() = _binding!! - - private val viewModel: MainViewModel by activityViewModels() - - private var mapLibreMap: MapLibreMap? = null - - override fun onCreateView( - inflater: LayoutInflater, container: ViewGroup?, - savedInstanceState: Bundle? - ): View { - MapLibre.getInstance(requireContext()) - _binding = FragmentMapBinding.inflate(inflater, container, false) - return binding.root - } - - override fun onViewCreated(view: View, savedInstanceState: Bundle?) { - super.onViewCreated(view, savedInstanceState) - - binding.mapView.onCreate(savedInstanceState) - binding.mapView.getMapAsync { map -> - mapLibreMap = map - map.setStyle(Style.Builder().fromUri(MAP_STYLE_URL)) { style -> - addWindArrowImage(style) - observeViewModel(style) - } - } - } - - private fun observeViewModel(style: Style) { - viewLifecycleOwner.lifecycleScope.launch { - repeatOnLifecycle(Lifecycle.State.STARTED) { - launch { - viewModel.uiState.collect { state -> - binding.statusText.visibility = when (state) { - UiState.Loading -> View.VISIBLE.also { binding.statusText.text = getString(R.string.loading_weather) } - UiState.Success -> View.GONE - is UiState.Error -> View.VISIBLE.also { binding.statusText.text = state.message } - } - } - } - launch { - viewModel.windArrow.collect { arrow -> - if (arrow != null) { - updateWindLayer(style, arrow) - centerMapOn(arrow.lat, arrow.lon) - } - } - } - } - } - } - - private fun addWindArrowImage(style: Style) { - val drawable = ContextCompat.getDrawable(requireContext(), R.drawable.ic_wind_arrow) - ?: return - val bitmap = Bitmap.createBitmap( - drawable.intrinsicWidth.coerceAtLeast(24), - drawable.intrinsicHeight.coerceAtLeast(24), - Bitmap.Config.ARGB_8888 - ) - val canvas = Canvas(bitmap) - drawable.setBounds(0, 0, canvas.width, canvas.height) - drawable.draw(canvas) - style.addImage(WIND_ARROW_ICON, bitmap) - } - - private fun updateWindLayer(style: Style, arrow: WindArrow) { - val feature = Feature.fromGeometry( - Point.fromLngLat(arrow.lon, arrow.lat) - ).also { f -> - f.addNumberProperty("direction", arrow.directionDeg) - f.addNumberProperty("speed_kt", arrow.speedKt) - } - val collection = FeatureCollection.fromFeature(feature) - - if (style.getSource(WIND_SOURCE_ID) == null) { - style.addSource(GeoJsonSource(WIND_SOURCE_ID, collection)) - } else { - (style.getSource(WIND_SOURCE_ID) as? GeoJsonSource)?.setGeoJson(collection) - } - - if (style.getLayer(WIND_LAYER_ID) == null) { - val layer = SymbolLayer(WIND_LAYER_ID, WIND_SOURCE_ID).withProperties( - PropertyFactory.iconImage(WIND_ARROW_ICON), - PropertyFactory.iconRotate(Expression.get("direction")), - PropertyFactory.iconRotationAlignment("map"), - PropertyFactory.iconAllowOverlap(true), - PropertyFactory.iconSize( - Expression.interpolate( - Expression.linear(), - Expression.get("speed_kt"), - Expression.stop(0, 0.6f), - Expression.stop(30, 1.4f) - ) - ) - ) - style.addLayer(layer) - } - } - - private fun centerMapOn(lat: Double, lon: Double) { - mapLibreMap?.cameraPosition = CameraPosition.Builder() - .target(LatLng(lat, lon)) - .zoom(7.0) - .build() - } - - // Lifecycle delegation to MapView - override fun onStart() { super.onStart(); binding.mapView.onStart() } - override fun onResume() { super.onResume(); binding.mapView.onResume() } - override fun onPause() { super.onPause(); binding.mapView.onPause() } - override fun onStop() { super.onStop(); binding.mapView.onStop() } - override fun onSaveInstanceState(outState: Bundle) { - super.onSaveInstanceState(outState) - binding.mapView.onSaveInstanceState(outState) - } - override fun onLowMemory() { super.onLowMemory(); binding.mapView.onLowMemory() } - - override fun onDestroyView() { - binding.mapView.onDestroy() - super.onDestroyView() - _binding = null - } - - companion object { - private const val MAP_STYLE_URL = "https://demotiles.maplibre.org/style.json" - private const val WIND_SOURCE_ID = "wind-source" - private const val WIND_LAYER_ID = "wind-arrows" - private const val WIND_ARROW_ICON = "wind-arrow" - } -} |