Rebased from master

app/build.gradle

@@ -66,11 +66,8 @@ dependencies {
     implementation "androidx.appcompat:appcompat:$appCompat"
     implementation "androidx.legacy:legacy-support-v4:$supportLib"
     implementation "androidx.constraintlayout:constraintlayout:$constraintLayout"
-
     implementation "androidx.core:core-ktx:$ktx"
     implementation "androidx.preference:preference:$preference"
-
-    // architecture components
     implementation "androidx.navigation:navigation-fragment-ktx:$navigation"
     implementation "androidx.navigation:navigation-runtime-ktx:$navigation"
     implementation "androidx.navigation:navigation-ui-ktx:$navigation"
@@ -78,24 +75,22 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle"
     implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle"
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle"
-
-    // room
     implementation "androidx.room:room-runtime:$room"
     implementation "androidx.room:room-ktx:$room"
     kapt "androidx.room:room-compiler:$room"
 
-    // retrofit
+    implementation "com.google.dagger:dagger:$dagger"
+    kapt "com.google.dagger:dagger-compiler:$dagger"
+
     implementation "com.squareup.retrofit2:retrofit:$retrofit"
     implementation "com.squareup.retrofit2:converter-gson:$retrofit"
     implementation "com.squareup.okhttp3:okhttp:$okhttp"
 
-    //dagger
-    implementation "com.google.dagger:dagger:$dagger"
-    kapt "com.google.dagger:dagger-compiler:$dagger"
-
-    // predict4java
-    implementation "com.github.davidmoten:predict4java:$predict4java"
-
-    // openStreetMaps
     implementation "org.osmdroid:osmdroid-android:$openStreetMap"
+    implementation "org.osmdroid:osmdroid-mapsforge:$openStreetMap"
+    implementation "org.mapsforge:mapsforge-map-android:$mapsForge"
+    implementation "org.mapsforge:mapsforge-map:$mapsForge"
+    implementation "org.mapsforge:mapsforge-themes:$mapsForge"
+
+    implementation "com.github.davidmoten:predict4java:$predict4java"
 }

app/src/main/AndroidManifest.xml

@@ -24,6 +24,8 @@
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <application
         android:name="com.rtbishop.look4sat.Look4SatApp"

app/src/main/java/com/rtbishop/look4sat/dagger/AppComponent.kt

@@ -22,6 +22,7 @@ package com.rtbishop.look4sat.dagger
 import android.content.Context
 import com.rtbishop.look4sat.dagger.modules.*
 import com.rtbishop.look4sat.ui.MainActivity
+import com.rtbishop.look4sat.ui.fragments.MapOsmFragment
 import com.rtbishop.look4sat.ui.fragments.MapViewFragment
 import com.rtbishop.look4sat.ui.fragments.PassListFragment
 import com.rtbishop.look4sat.ui.fragments.PolarViewFragment
@@ -45,4 +46,5 @@ interface AppComponent {
     fun inject(mapViewFragment: MapViewFragment)
     fun inject(passListFragment: PassListFragment)
     fun inject(polarViewFragment: PolarViewFragment)
+    fun inject(mapOsmFragment: MapOsmFragment)
 }

app/src/main/java/com/rtbishop/look4sat/ui/MainActivity.kt

@@ -21,6 +21,7 @@ package com.rtbishop.look4sat.ui
 
 import android.Manifest
 import android.annotation.SuppressLint
+import android.content.Context
 import android.content.Intent
 import android.content.pm.ActivityInfo
 import android.content.pm.PackageManager
@@ -30,7 +31,6 @@ import android.view.View
 import android.view.WindowManager
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ActivityCompat
-import androidx.core.content.ContextCompat
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
@@ -54,10 +54,13 @@ import javax.inject.Inject
 
 class MainActivity : AppCompatActivity(), TleSourcesDialogFragment.SourcesSubmitListener {
 
-    private val pickFileReqCode = 111
+    private val pickFileReqCode = 1001
-    private val permLocationCode = 101
+    private val permissionsReqCode = 1000
-    private val permLocation = Manifest.permission.ACCESS_FINE_LOCATION
+    private val permissions = arrayOf(
-    private val permGranted = PackageManager.PERMISSION_GRANTED
+        Manifest.permission.ACCESS_FINE_LOCATION,
+        Manifest.permission.READ_EXTERNAL_STORAGE,
+        Manifest.permission.WRITE_EXTERNAL_STORAGE
+    )
 
     @Inject
     lateinit var viewModelFactory: ViewModelFactory
@@ -83,6 +86,10 @@ class MainActivity : AppCompatActivity(), TleSourcesDialogFragment.SourcesSubmit
         setupDrawer()
 
         viewModel.setDefaultTleSources()
+
+        if (!hasPermissions(this, permissions)) {
+            ActivityCompat.requestPermissions(this, permissions, permissionsReqCode)
+        }
     }
 
     @SuppressLint("SourceLockedOrientationActivity")
@@ -154,7 +161,7 @@ class MainActivity : AppCompatActivity(), TleSourcesDialogFragment.SourcesSubmit
 
     private fun setupDrawer() {
         drawerBinding.drawerBtnLoc.setOnClickListener {
-            requestLocationUpdate()
+            viewModel.updatePosition()
             it.lockButton()
         }
         drawerBinding.drawerBtnTleFile.setOnClickListener {
@@ -193,27 +200,10 @@ class MainActivity : AppCompatActivity(), TleSourcesDialogFragment.SourcesSubmit
         }
     }
 
-    private fun requestLocationUpdate() {
+    private fun hasPermissions(context: Context, permissions: Array<String>): Boolean =
-        if (ContextCompat.checkSelfPermission(this, permLocation) != permGranted) {
+        permissions.all {
-            if (ActivityCompat.shouldShowRequestPermissionRationale(this, permLocation)) {
+            ActivityCompat.checkSelfPermission(context, it) == PackageManager.PERMISSION_GRANTED
-                getString(R.string.err_no_permissions).toast(this)
-            } else {
-                ActivityCompat.requestPermissions(this, arrayOf(permLocation), permLocationCode)
-            }
-        } else {
-            viewModel.updatePosition()
         }
-    }
-
-    override fun onRequestPermissionsResult(reqCode: Int, perms: Array<out String>, res: IntArray) {
-        when (reqCode) {
-            permLocationCode -> {
-                if (res.isNotEmpty() && res[0] == permGranted) {
-                    viewModel.updatePosition()
-                }
-            }
-        }
-    }
 
     override fun onSupportNavigateUp(): Boolean {
         val navController = findNavController(R.id.nav_host)

app/src/main/java/com/rtbishop/look4sat/ui/fragments/MapOsmFragment.kt

@@ -1,73 +1,208 @@
 package com.rtbishop.look4sat.ui.fragments
 
+import android.graphics.Color
 import android.os.Bundle
+import android.os.Environment
+import android.util.Log
 import android.view.View
 import androidx.fragment.app.Fragment
-import androidx.preference.PreferenceManager
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
+import com.github.amsacode.predict4java.GroundStationPosition
+import com.github.amsacode.predict4java.SatPos
+import com.rtbishop.look4sat.Look4SatApp
 import com.rtbishop.look4sat.R
+import com.rtbishop.look4sat.dagger.ViewModelFactory
+import com.rtbishop.look4sat.data.Result
+import com.rtbishop.look4sat.data.SatPass
 import com.rtbishop.look4sat.databinding.FragmentMapOsmBinding
-import org.osmdroid.config.Configuration
+import com.rtbishop.look4sat.ui.MainActivity
-import org.osmdroid.tileprovider.tilesource.TileSourceFactory
+import com.rtbishop.look4sat.ui.SharedViewModel
+import com.rtbishop.look4sat.utility.GeneralUtils
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import org.mapsforge.map.rendertheme.XmlRenderTheme
+import org.mapsforge.map.rendertheme.XmlRenderThemeMenuCallback
+import org.osmdroid.mapsforge.MapsForgeTileProvider
+import org.osmdroid.mapsforge.MapsForgeTileSource
+import org.osmdroid.tileprovider.util.SimpleRegisterReceiver
 import org.osmdroid.util.GeoPoint
-import org.osmdroid.views.MapView
+import org.osmdroid.views.overlay.Marker
-import org.osmdroid.views.overlay.OverlayItem
+import org.osmdroid.views.overlay.Polygon
+import org.osmdroid.views.overlay.Polyline
+import org.osmdroid.views.overlay.compass.CompassOverlay
+import org.osmdroid.views.overlay.compass.InternalCompassOrientationProvider
+import java.io.File
+import java.io.InputStream
+import java.util.*
+import javax.inject.Inject
 
 class MapOsmFragment : Fragment(R.layout.fragment_map_osm) {
 
+    @Inject
+    lateinit var modelFactory: ViewModelFactory
+    private lateinit var mainActivity: MainActivity
+    private lateinit var viewModel: SharedViewModel
     private lateinit var binding: FragmentMapOsmBinding
-    private lateinit var mapView: MapView
+    private var satPassList = emptyList<SatPass>()
+    private var gsp = GroundStationPosition(0.0, 0.0, 0.0)
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-
-        val appContext = requireActivity().applicationContext
-
         binding = FragmentMapOsmBinding.bind(view)
-        binding.mapView.apply {
+        mainActivity = requireActivity() as MainActivity
-            controller.animateTo(mapCenter)
+        (mainActivity.application as Look4SatApp).appComponent.inject(this)
-            controller.setZoom(2.5)
+        viewModel = ViewModelProvider(mainActivity, modelFactory).get(SharedViewModel::class.java)
-            setMultiTouchControls(true)
-            maxZoomLevel = 7.5
-            minZoomLevel = 2.5
-//            isClickable = true
-//            setScrollableAreaLimitLatitude(-90.0, 90.0, 0)
-//            setScrollableAreaLimitLongitude(-180.0, 180.0, 0)
-        }
 
-        Configuration
+        setupObservers()
-            .getInstance()
-            .load(appContext, PreferenceManager.getDefaultSharedPreferences(appContext))
-
-        init()
     }
 
-    private fun init() {
+    private fun setupObservers() {
-        mapView.setTileSource(TileSourceFactory.DEFAULT_TILE_SOURCE)
+        viewModel.getGSP().observe(viewLifecycleOwner, Observer { result ->
-        val gPt = GeoPoint(28.6337874, 77.35767599999997)
+            when (result) {
-        val gPt2 = GeoPoint(28.638472, 77.360667)
+                is Result.Success -> gsp = result.data
-        mapView.controller.setCenter(gPt)
+            }
+        })
 
-        /*place icon on map*/
+        viewModel.getPassList().observe(viewLifecycleOwner, Observer { result ->
-        val items = ArrayList<OverlayItem>()
+            when (result) {
-        items.add(OverlayItem("Current Location", "Amrapali Village, Indirapuram", gPt))
+                is Result.Success -> {
-        items.add(OverlayItem("Destination", "Aditya Mall, Indirapuram", gPt2))
+                    satPassList = result.data
+                    setupMapWithAdapter()
+                }
+            }
+        })
+    }
+
+    inner class MyRenderTheme : XmlRenderTheme {
+
+        override fun getRenderThemeAsStream(): InputStream {
+            return resources.openRawResource(R.raw.customrender)
+        }
+
+        override fun getMenuCallback(): XmlRenderThemeMenuCallback? {
+            return null
+        }
+
+        override fun getRelativePathPrefix(): String {
+            return ""
+        }
+
+        override fun setMenuCallback(menuCallback: XmlRenderThemeMenuCallback) {}
+
+    }
+
+    private fun setupMapWithAdapter() {
+        val mapsArray = arrayOf(File(Environment.getExternalStorageDirectory(), "world.map"))
+        val tileSource = MapsForgeTileSource.createFromFiles(mapsArray, MyRenderTheme(), null)
+        val registerReceiver = SimpleRegisterReceiver(mainActivity.applicationContext)
+        val tileProvider = MapsForgeTileProvider(registerReceiver, tileSource, null)
+
+        binding.mapView.tileProvider = tileProvider
+
+        binding.mapView.apply {
+            overlayManager.tilesOverlay.loadingBackgroundColor = Color.TRANSPARENT
+            overlayManager.tilesOverlay.loadingLineColor = Color.TRANSPARENT
+            minZoomLevel = 3.00
+            maxZoomLevel = 8.00
+            controller.setZoom(5.0)
+
+            val startPoint = GeoPoint(gsp.latitude, gsp.longitude)
+            controller.setCenter(startPoint)
+
+            val startMarker = Marker(binding.mapView)
+            startMarker.position = startPoint
+            startMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM)
+            startMarker.title = "Ground Station Position"
+            overlays.add(startMarker)
+
+            var dateNow = Date(System.currentTimeMillis())
+            val selectedSat = satPassList[3]
+            val orbitalPeriod = (24 * 60 / selectedSat.tle.meanmo).toInt()
+            var positions = selectedSat.predictor.getPositions(dateNow, 60, 0, orbitalPeriod * 3)
+
+            drawGroundTrack(positions)
+            Log.d("myTag", selectedSat.tle.name)
+
+            val compassOverlay = CompassOverlay(
+                context,
+                InternalCompassOrientationProvider(context),
+                binding.mapView
+            )
+            compassOverlay.enableCompass()
+            overlays.add(compassOverlay)
+
+            setMultiTouchControls(true)
+            setScrollableAreaLimitLatitude(85.0, -85.0, 0)
+
+            lifecycleScope.launch {
+                while (true) {
+                    delay(3000)
+                    dateNow = Date(System.currentTimeMillis())
+                    positions =
+                        selectedSat.predictor.getPositions(dateNow, 60, 0, orbitalPeriod * 3)
+                    drawPosition(GeoPoint(positions[0].latitude, positions[0].longitude))
+                    binding.mapView.invalidate()
+                }
+            }
+        }
+    }
+
+    private fun drawPosition(position: GeoPoint) {
+        val satPosition = Polygon(binding.mapView)
+        val trackPoints = mutableListOf<GeoPoint>()
+
+        Log.d("myTag", "${position.latitude}, ${position.longitude}")
+
+        val lat = GeneralUtils.rad2Deg(position.latitude)
+        var lon = GeneralUtils.rad2Deg(position.longitude)
+        if (lon > 180.0) lon -= 360.0
+        trackPoints.add(GeoPoint(lat, lon))
+
+        val startMarker = Marker(binding.mapView)
+        startMarker.position = GeoPoint(lat, lon)
+        startMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM)
+        startMarker.title = "Sat Position"
+        binding.mapView.overlays.add(startMarker)
+
+        Log.d("myTag", "$lat, $lon")
+
+        binding.mapView.overlays.add(satPosition)
+        satPosition.points = trackPoints
+        binding.mapView.invalidate()
+    }
+
+    private fun drawGroundTrack(list: List<SatPos>) {
+        val groundTrack = Polyline(binding.mapView)
+        val trackPoints = mutableListOf<GeoPoint>()
+        var lat = 0.0
+        var lon = 0.0
+
+        Log.d("myTag", "${list[1].latitude}, ${list[1].longitude}")
+
+        list.forEach {
+            lat = GeneralUtils.rad2Deg(it.latitude) * -1
+            lon = GeneralUtils.rad2Deg(it.longitude)
+            if (lon > 180.0) lon -= 360.0
+            trackPoints.add(GeoPoint(lat, lon))
+        }
+
+        Log.d("myTag", "$lat, $lon")
+
+        groundTrack.setPoints(trackPoints)
+        groundTrack.setDensityMultiplier(0.5f)
+        binding.mapView.overlays.add(groundTrack)
+        binding.mapView.invalidate()
     }
 
     override fun onResume() {
         super.onResume()
-        //this will refresh the osmdroid configuration on resuming.
+        binding.mapView.onResume()
-        //if you make changes to the configuration, use
-        //SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-        //Configuration.getInstance().load(this, PreferenceManager.getDefaultSharedPreferences(this));
-        mapView.onResume() //needed for compass, my location overlays, v6.0.0 and up
     }
 
     override fun onPause() {
         super.onPause()
-        //this will refresh the osmdroid configuration on resuming.
+        binding.mapView.onPause()
-        //if you make changes to the configuration, use
-        //SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-        //Configuration.getInstance().save(this, prefs);
-        mapView.onPause()  //needed for compass, my location overlays, v6.0.0 and up
     }
 }

app/src/main/res/raw/customrender.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rendertheme version="5">
+
+    <rule
+        e="way"
+        k="natural"
+        v="issea|sea">
+        <area fill="#242424" />
+    </rule>
+
+    <rule
+        e="way"
+        k="natural"
+        v="nosea">
+        <area fill="#606060" />
+    </rule>
+
+</rendertheme>

build.gradle

@@ -48,21 +48,19 @@ ext {
     appCompat = '1.1.0'
     supportLib = '1.0.0'
     constraintLayout = '1.1.3'
-
     ktx = '1.3.0'
     preference = '1.1.1'
-
     navigation = '2.2.2'
     lifecycle = '2.2.0'
-
     room = '2.2.5'
 
+    dagger = '2.28'
+
     retrofit = '2.9.0'
     okhttp = '4.7.2'
 
-    dagger = '2.28'
+    openStreetMap = '6.1.6'
+    mapsForge = '0.13.0'
 
     predict4java = '1.3.1'
-
-    openStreetMap = '6.1.6'
 }