Now showing the active transmitters of the selected satellite in the RadarView recycler

app/src/main/java/com/rtbishop/lookingsat/MainViewModel.kt

@@ -17,6 +17,7 @@ import com.google.android.gms.location.LocationServices
 import com.rtbishop.lookingsat.repo.Repository
 import com.rtbishop.lookingsat.repo.SatPass
 import com.rtbishop.lookingsat.repo.SatPassPrefs
+import com.rtbishop.lookingsat.repo.Transmitter
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -150,6 +151,10 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
             }
         }
     }
+
+    suspend fun getTransmittersForSat(id: Int): List<Transmitter> {
+        return repository.getTransmittersForSat(id)
+    }
 }
 
 fun SharedPreferences.Editor.putDouble(key: String, double: Double)

app/src/main/java/com/rtbishop/lookingsat/ui/RadarFragment.kt

@@ -9,10 +9,15 @@ import android.view.ViewGroup
 import android.widget.FrameLayout
 import android.widget.TextView
 import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.github.amsacode.predict4java.SatPos
+import com.rtbishop.lookingsat.MainViewModel
 import com.rtbishop.lookingsat.R
 import com.rtbishop.lookingsat.repo.SatPass
+import kotlinx.coroutines.launch
 import java.text.SimpleDateFormat
 import java.util.*
 import java.util.concurrent.Executors
@@ -25,14 +30,22 @@ class RadarFragment : Fragment() {
     private val delay = 5000L
     private val service = Executors.newSingleThreadScheduledExecutor()
 
+    private lateinit var viewModel: MainViewModel
     private lateinit var satPass: SatPass
     private lateinit var radarView: RadarView
     private lateinit var radarSkyFrame: FrameLayout
-    private lateinit var radarRecycler: RecyclerView
+    private lateinit var transRecycler: RecyclerView
+    private lateinit var transAdapter: TransAdapter
     private lateinit var radarSatName: TextView
     private lateinit var radarMaxEl: TextView
     private lateinit var radarAos: TextView
     private lateinit var radarLos: TextView
+    private lateinit var transNoFound: TextView
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        viewModel = ViewModelProvider(activity as MainActivity).get(MainViewModel::class.java)
+    }
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -46,13 +59,36 @@ class RadarFragment : Fragment() {
         super.onViewCreated(view, savedInstanceState)
         satPass = arguments?.get("satPass") as SatPass
         radarSkyFrame = view.findViewById(R.id.radar_sky_frame)
-        radarRecycler = view.findViewById(R.id.radar_recycler)
-
+        transRecycler = view.findViewById(R.id.radar_recycler)
         radarSatName = view.findViewById(R.id.radar_sat_name)
         radarMaxEl = view.findViewById(R.id.radar_maxEl)
         radarAos = view.findViewById(R.id.radar_aos)
         radarLos = view.findViewById(R.id.radar_los)
+        transNoFound = view.findViewById(R.id.radar_trans_no_found)
 
+        setupRadarView()
+        setupTransRecycler()
+    }
+
+    private fun setupTransRecycler() {
+        transAdapter = TransAdapter()
+        transRecycler.apply {
+            layoutManager = LinearLayoutManager(activity as MainActivity)
+            adapter = transAdapter
+        }
+        lifecycleScope.launch {
+            val transList = viewModel.getTransmittersForSat(satPass.tle.catnum)
+            if (transList.isNotEmpty()) {
+                transAdapter.setList(transList)
+                transAdapter.notifyDataSetChanged()
+            } else {
+                transRecycler.visibility = View.INVISIBLE
+                transNoFound.visibility = View.VISIBLE
+            }
+        }
+    }
+
+    private fun setupRadarView() {
         radarView = RadarView(activity as MainActivity)
         radarSkyFrame.addView(radarView)
 

app/src/main/java/com/rtbishop/lookingsat/ui/SatPassAdapter.kt

@@ -12,7 +12,9 @@ import com.rtbishop.lookingsat.repo.SatPass
 import java.text.SimpleDateFormat
 import java.util.*
 
-class SatPassAdapter : RecyclerView.Adapter<SatPassAdapter.ViewHolder>() {
+class SatPassAdapter : RecyclerView.Adapter<SatPassAdapter.PassHolder>() {
+
+    inner class PassHolder(itemView: View) : RecyclerView.ViewHolder(itemView)
 
     private var satPassList = emptyList<SatPass>()
 
@@ -24,14 +26,14 @@ class SatPassAdapter : RecyclerView.Adapter<SatPassAdapter.ViewHolder>() {
         return satPassList.size
     }
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PassHolder {
         val itemView = LayoutInflater
             .from(parent.context)
             .inflate(R.layout.sat_pass_card, parent, false)
-        return ViewHolder(itemView)
+        return PassHolder(itemView)
     }
 
-    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+    override fun onBindViewHolder(holder: PassHolder, position: Int) {
         val satPass = satPassList[position]
 
         val satName = holder.itemView.findViewById<TextView>(R.id.card_sat_name)
@@ -56,6 +58,4 @@ class SatPassAdapter : RecyclerView.Adapter<SatPassAdapter.ViewHolder>() {
             holder.itemView.findNavController().navigate(R.id.action_nav_sky_to_nav_radar, bundle)
         }
     }
-
-    inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView)
 }

app/src/main/java/com/rtbishop/lookingsat/ui/TransAdapter.kt

@@ -0,0 +1,95 @@
+package com.rtbishop.lookingsat.ui
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.rtbishop.lookingsat.R
+import com.rtbishop.lookingsat.repo.Transmitter
+
+class TransAdapter : RecyclerView.Adapter<TransAdapter.TransHolder>() {
+
+    inner class TransHolder(itemView: View) : RecyclerView.ViewHolder(itemView)
+
+    private var transList = emptyList<Transmitter>()
+
+    fun setList(list: List<Transmitter>) {
+        transList = list
+    }
+
+    override fun getItemCount(): Int {
+        return transList.size
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TransHolder {
+        val itemView = LayoutInflater
+            .from(parent.context)
+            .inflate(R.layout.card_transmitter, parent, false)
+        return TransHolder(itemView)
+    }
+
+    override fun onBindViewHolder(holder: TransHolder, position: Int) {
+        val context = holder.itemView.context
+        val freqDivider = 1000000f
+        val transmitter = transList[position]
+        val description = holder.itemView.findViewById<TextView>(R.id.trans_description)
+        val downlink = holder.itemView.findViewById<TextView>(R.id.trans_downlink)
+        val uplink = holder.itemView.findViewById<TextView>(R.id.trans_uplink)
+        val mode = holder.itemView.findViewById<TextView>(R.id.trans_mode)
+        val inverted = holder.itemView.findViewById<TextView>(R.id.trans_inverted)
+
+        description.text = transmitter.description
+
+        if (transmitter.downlinkLow != null && transmitter.downlinkHigh == null) {
+            downlink.text = String.format(
+                context.getString(R.string.pattern_trans_downlink_low),
+                transmitter.downlinkLow / freqDivider
+            )
+        } else if (transmitter.downlinkLow != null && transmitter.downlinkHigh != null) {
+            downlink.text = String.format(
+                context.getString(R.string.pattern_trans_downlink_lowHigh),
+                transmitter.downlinkLow / freqDivider,
+                transmitter.downlinkHigh / freqDivider
+            )
+        } else {
+            downlink.text = context.getString(R.string.no_downlink)
+        }
+
+        if (transmitter.uplinkLow != null && transmitter.uplinkHigh == null) {
+            uplink.text = String.format(
+                context.getString(R.string.pattern_trans_uplink_low),
+                transmitter.uplinkLow / freqDivider
+            )
+        } else if (transmitter.uplinkLow != null && transmitter.uplinkHigh != null) {
+            uplink.text = String.format(
+                context.getString(R.string.pattern_trans_uplink_lowHigh),
+                transmitter.uplinkLow / freqDivider,
+                transmitter.uplinkHigh / freqDivider
+            )
+        } else {
+            uplink.text = context.getString(R.string.no_uplink)
+        }
+
+        if (transmitter.mode != null) {
+            mode.text =
+                String.format(
+                    context.getString(R.string.pattern_trans_mode),
+                    transmitter.mode
+                )
+        } else {
+            mode.text = context.getString(R.string.no_mode)
+        }
+        if (transmitter.isInverted) {
+            inverted.text = String.format(
+                context.getString(R.string.pattern_trans_inverted),
+                context.getString(R.string.yes)
+            )
+        } else {
+            inverted.text = String.format(
+                context.getString(R.string.pattern_trans_inverted),
+                context.getString(R.string.no)
+            )
+        }
+    }
+}