ref: 3ddf8ece77302b3b0578d6e7c40e9f0716364485
app/src/main/java/ml/adamsprogs/bimba/dashboard/ui/map/MapFragment.kt
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package ml.adamsprogs.bimba.dashboard.ui.map import android.annotation.SuppressLint import android.content.Context import android.content.Context.MODE_PRIVATE import android.content.SharedPreferences import android.content.res.Configuration.* import android.graphics.Bitmap import android.net.ConnectivityManager import android.os.Bundle import android.os.Handler import android.os.Looper import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import androidx.appcompat.content.res.AppCompatResources import androidx.core.content.edit import androidx.core.graphics.drawable.toBitmap import androidx.fragment.app.Fragment import androidx.lifecycle.ViewModelProvider import com.google.android.material.snackbar.Snackbar import ml.adamsprogs.bimba.R import ml.adamsprogs.bimba.api.Position import ml.adamsprogs.bimba.api.Server import ml.adamsprogs.bimba.dashboard.MainActivity import ml.adamsprogs.bimba.databinding.FragmentMapBinding import ml.adamsprogs.bimba.dpToPixelI import org.osmdroid.config.Configuration import org.osmdroid.events.MapListener import org.osmdroid.events.ScrollEvent import org.osmdroid.events.ZoomEvent import org.osmdroid.tileprovider.tilesource.TileSourceFactory import org.osmdroid.util.GeoPoint import org.osmdroid.views.CustomZoomButtonsController import org.osmdroid.views.overlay.Marker import org.osmdroid.views.overlay.TilesOverlay import org.osmdroid.views.overlay.gestures.RotationGestureOverlay import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay // todo[3.1] empty state on no network class MapFragment : Fragment() { private var maybeBinding: FragmentMapBinding? = null private val binding get() = maybeBinding!! private lateinit var locationOverlay: MyLocationNewOverlay private lateinit var mapViewModel: MapViewModel private val handler = Handler(Looper.getMainLooper()) private var workRunnable = Runnable {} private var snack: Snackbar? = null @SuppressLint("ClickableViewAccessibility") override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View { mapViewModel = ViewModelProvider(this)[MapViewModel::class.java] observeLocatables() maybeBinding = FragmentMapBinding.inflate(inflater, container, false) val root: View = binding.root binding.map.setTileSource(TileSourceFactory.MAPNIK) if (((context?.resources?.configuration?.uiMode ?: UI_MODE_NIGHT_UNDEFINED) and UI_MODE_NIGHT_MASK) == UI_MODE_NIGHT_YES ) { binding.map.overlayManager.tilesOverlay.setColorFilter(TilesOverlay.INVERT_COLORS) } binding.map.zoomController.setVisibility(CustomZoomButtonsController.Visibility.NEVER) binding.map.setMultiTouchControls(true) binding.map.overlays.add(RotationGestureOverlay(binding.map).apply { isEnabled = true }) locationOverlay = MyLocationNewOverlay(GpsMyLocationProvider(context), binding.map) context?.let { centreMap(it.getSharedPreferences("shp", MODE_PRIVATE)) locationOverlay.setDirectionIcon( AppCompatResources.getDrawable(it, R.drawable.navigation_arrow)?.mutate() ?.toBitmap(dpToPixelI(36f), dpToPixelI(36f), Bitmap.Config.ARGB_8888) ) locationOverlay.setDirectionAnchor(.5f, .5f) locationOverlay.setPersonIcon( AppCompatResources.getDrawable(it, R.drawable.navigation_circle)?.mutate() ?.toBitmap(dpToPixelI(24f), dpToPixelI(24f), Bitmap.Config.ARGB_8888) ) locationOverlay.setPersonAnchor(.5f, .5f) } binding.floatingActionButton.setOnClickListener { (context as MainActivity).onGpsClicked(this) } binding.map.addMapListener(object : MapListener { override fun onScroll(event: ScrollEvent?): Boolean { return onMapMove() } override fun onZoom(event: ZoomEvent?): Boolean { return onMapMove() } }) binding.map.setOnTouchListener { _, _ -> binding.floatingActionButton.show() false } return root } private fun onMapMove(): Boolean { snack?.dismiss() return delayGetLocatables() } private fun delayGetLocatables(delay: Long = 1000): Boolean { handler.removeCallbacks(workRunnable) workRunnable = Runnable { getLocatables() } handler.postDelayed(workRunnable, delay) return true } private fun observeLocatables() { mapViewModel.items.observe(viewLifecycleOwner) { binding.map.overlays.removeAll { marker -> marker is Marker } it.forEach { locatable -> val marker = Marker(binding.map) marker.position = GeoPoint(locatable.location().latitude, locatable.location().longitude) marker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_CENTER) marker.icon = context?.let { ctx -> locatable.icon(ctx, 2f) } context?.let { ctx -> marker.setOnMarkerClickListener { _, _ -> MapBottomSheet(locatable).apply { (ctx as MainActivity?)?.supportFragmentManager?.let { fm -> show(fm, MapBottomSheet.TAG) } } true } } binding.map.overlays.add(marker) } binding.map.invalidate() } } fun showLocation() { snack = Snackbar.make(binding.root, getString(R.string.waiting_position), Snackbar.LENGTH_INDEFINITE) snack!!.show() binding.floatingActionButton.hide() binding.map.overlays.removeAll { it is MyLocationNewOverlay } locationOverlay.enableFollowLocation() binding.map.overlays.add(locationOverlay) locationOverlay.runOnFirstFix { snack?.dismiss() } } private fun getLocatables() { maybeBinding?.let { binding -> val (bl, tr) = binding.map.boundingBox.let { Pair( Position(it.latSouth, it.lonWest), Position(it.latNorth, it.lonEast) ) } context?.let { val cm = it.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager mapViewModel.getLocatablesIn( cm, Server.get(it), bl, tr ) } delayGetLocatables(30000) } } private fun centreMap(preferences: SharedPreferences) { maybeBinding?.map?.controller?.apply { setZoom(preferences.getFloat("mapZoom", 17.0f).toDouble()) val startPoint = GeoPoint( preferences.getFloat("mapCentreLat", 52.39511f).toDouble(), preferences.getFloat("mapCentreLon", 16.89506f).toDouble() ) setCenter(startPoint) } } override fun onResume() { super.onResume() binding.map.onResume() locationOverlay.enableMyLocation() context?.let { ctx -> ctx.getSharedPreferences("shp", MODE_PRIVATE).let { Configuration.getInstance() .load(ctx, it) centreMap(it) } } } override fun onPause() { super.onPause() binding.map.onPause() locationOverlay.disableMyLocation() val centre = binding.map.mapCenter context?.let { ctx -> ctx.getSharedPreferences("shp", MODE_PRIVATE).edit(true) { this.putFloat("mapCentreLat", centre.latitude.toFloat()) this.putFloat("mapCentreLon", centre.longitude.toFloat()) this.putFloat("mapZoom", binding.map.zoomLevelDouble.toFloat()) } } handler.removeCallbacks(workRunnable) } override fun onDestroyView() { super.onDestroyView() maybeBinding = null } } |