Added SatPass CardView, RecyclerView with SatPasses, moved the code to SkyFragment.

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

@@ -140,7 +140,7 @@ class MainActivity : AppCompatActivity() {
 
             override fun onTick(millisUntilFinished: Long) {
                 timeToAos.text = String.format(
-                    resources.getString(R.string.next_aos_pattern),
+                    resources.getString(R.string.toolbar_aos_in),
                     TimeUnit.MILLISECONDS.toHours(millisUntilFinished) % 60,
                     TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished) % 60,
                     TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) % 60

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

@@ -0,0 +1,46 @@
+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.github.amsacode.predict4java.SatPassTime
+import com.rtbishop.lookingsat.R
+import java.text.SimpleDateFormat
+import java.util.*
+
+class SatPassAdapter(private val satPassList: MutableList<SatPassTime>) :
+    RecyclerView.Adapter<SatPassAdapter.ViewHolder>() {
+
+    override fun getItemCount(): Int {
+        return satPassList.size
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val itemView =
+            LayoutInflater.from(parent.context).inflate(R.layout.sat_pass_card, parent, false)
+        return ViewHolder(itemView)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val satPass = satPassList[position]
+
+        val satName = holder.itemView.findViewById<TextView>(R.id.card_sat_name)
+        val passVector = holder.itemView.findViewById<TextView>(R.id.card_pass_vector)
+        val maxEl = holder.itemView.findViewById<TextView>(R.id.card_max_el)
+        val passStart = holder.itemView.findViewById<TextView>(R.id.card_pass_start)
+        val passEnd = holder.itemView.findViewById<TextView>(R.id.card_pass_end)
+
+        satName.text = String.format("%s", "Meteor M2-2")
+        passVector.text = String.format("V: %02d° -> %02d°", satPass.aosAzimuth, satPass.losAzimuth)
+        maxEl.text = String.format("%.1f°", satPass.maxEl)
+        passStart.text = SimpleDateFormat("HH:mm:ss", Locale.getDefault()).format(satPass.startTime)
+        passEnd.text = SimpleDateFormat("HH:mm:ss", Locale.getDefault()).format(satPass.endTime)
+    }
+
+    inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView),
+        View.OnClickListener {
+        override fun onClick(v: View?) {}
+    }
+}

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

@@ -4,11 +4,22 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.ImageButton
 import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.rtbishop.lookingsat.R
+import com.rtbishop.lookingsat.vm.MainViewModel
 
 class SkyFragment : Fragment() {
 
+    private lateinit var viewModel: MainViewModel
+    private lateinit var recView: RecyclerView
+    private lateinit var recAdapter: RecyclerView.Adapter<*>
+    private lateinit var recLayoutManager: RecyclerView.LayoutManager
+    private lateinit var btnRefresh: ImageButton
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -16,4 +27,22 @@ class SkyFragment : Fragment() {
     ): View? {
         return inflater.inflate(R.layout.fragment_sky, container, false)
     }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        viewModel = ViewModelProvider(activity as MainActivity).get(MainViewModel::class.java)
+        btnRefresh = (activity as MainActivity).findViewById(R.id.toolbar_btn_refresh)
+
+        btnRefresh.setOnClickListener {
+            val satPassList = viewModel.updateRecycler()
+
+            recLayoutManager = LinearLayoutManager(activity)
+            recAdapter = SatPassAdapter(satPassList)
+            recView = view.findViewById(R.id.recycler_sky)
+
+            recView.setHasFixedSize(true)
+            recView.layoutManager = recLayoutManager
+            recView.adapter = recAdapter
+        }
+    }
 }

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

@@ -11,18 +11,24 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
 import androidx.preference.PreferenceManager
 import com.github.amsacode.predict4java.GroundStationPosition
+import com.github.amsacode.predict4java.PassPredictor
+import com.github.amsacode.predict4java.SatPassTime
+import com.github.amsacode.predict4java.TLE
 import com.google.android.gms.location.LocationServices
 import com.rtbishop.lookingsat.Injector
 import com.rtbishop.lookingsat.repo.Repository
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import java.io.FileNotFoundException
 import java.io.IOException
+import java.util.*
 
 class MainViewModel(application: Application) : AndroidViewModel(application) {
 
     private val keyLat = "LATITUDE"
     private val keyLon = "LONGITUDE"
     private val keyHeight = "HEIGHT"
+    private val tleFile = "tles.txt"
 
     private val repository: Repository = Injector.provideRepository(application)
     private val preferences = PreferenceManager.getDefaultSharedPreferences(application)
@@ -38,6 +44,19 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
     )
     val gsp: LiveData<GroundStationPosition> = _gsp
 
+    fun updateRecycler(): MutableList<SatPassTime> {
+        var satPassList = mutableListOf<SatPassTime>()
+        try {
+            val tles = TLE.importSat(getApplication<Application>().openFileInput(tleFile))
+
+            val passPredictor = PassPredictor(tles[0], _gsp.value)
+            satPassList = passPredictor.getPasses(Date(), 6, false)
+        } catch (exception: FileNotFoundException) {
+            _debugMessage.postValue("TLE file wasn't found")
+        }
+        return satPassList
+    }
+
     fun updateLocation() {
         fusedLocationClient.lastLocation.addOnSuccessListener { location: Location? ->
             val lat = location?.latitude ?: 0.0
@@ -56,10 +75,9 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
     }
 
     fun updateTwoLineElementFile() {
-        val fileName = "tles.txt"
         viewModelScope.launch(Dispatchers.IO) {
             try {
-                getApplication<Application>().openFileOutput(fileName, Context.MODE_PRIVATE).use {
+                getApplication<Application>().openFileOutput(tleFile, Context.MODE_PRIVATE).use {
                     it.write(repository.fetchTleStream().readBytes())
                 }
                 _debugMessage.postValue("TLE file was updated")