Attached action to button in the drawer header. Added LiveData debug toasts. Libraries update.

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

@@ -10,6 +10,7 @@ import android.os.CountDownTimer
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import android.widget.ImageButton
 import android.widget.TextView
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
@@ -18,7 +19,7 @@ import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.drawerlayout.widget.DrawerLayout
-import androidx.lifecycle.ViewModelProviders
+import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.findNavController
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.navigateUp
@@ -44,6 +45,11 @@ class MainActivity : AppCompatActivity() {
     private lateinit var drawerLat: TextView
     private lateinit var drawerLon: TextView
     private lateinit var drawerHeight: TextView
+    private lateinit var drawerBtnLoc: ImageButton
+    private lateinit var drawerBtnTle: ImageButton
+    private lateinit var drawerBtnTrans: ImageButton
+    private lateinit var drawerBtnGithub: ImageButton
+    private lateinit var drawerBtnExit: ImageButton
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -51,11 +57,10 @@ class MainActivity : AppCompatActivity() {
         setupComponents()
         setupDrawer()
         setupTimer()
-        updateLocation()
     }
 
     private fun setupComponents() {
-        viewModel = ViewModelProviders.of(this).get(MainViewModel::class.java)
+        viewModel = ViewModelProvider(this).get(MainViewModel::class.java)
         timerLayout = findViewById(R.id.timer_layout)
         timeToAos = findViewById(R.id.time_to_aos)
 
@@ -70,6 +75,12 @@ class MainActivity : AppCompatActivity() {
         drawerLon = header.findViewById(R.id.drawer_lon_value)
         drawerHeight = header.findViewById(R.id.drawer_height_value)
 
+        drawerBtnLoc = header.findViewById(R.id.drawer_btn_loc)
+        drawerBtnTle = header.findViewById(R.id.drawer_btn_tle)
+        drawerBtnTrans = header.findViewById(R.id.drawer_btn_trans)
+        drawerBtnGithub = header.findViewById(R.id.drawer_btn_github)
+        drawerBtnExit = header.findViewById(R.id.drawer_btn_exit)
+
         val navController = findNavController(R.id.nav_host)
         appBarConfig = AppBarConfiguration(setOf(R.id.nav_sky, R.id.nav_single_sat), drawerLayout)
         setupActionBarWithNavController(navController, appBarConfig)
@@ -77,7 +88,7 @@ class MainActivity : AppCompatActivity() {
 
         navController.addOnDestinationChangedListener { _, destination, _ ->
             when {
-                destination.id == R.id.nav_sky -> {
+                destination.id == R.id.nav_sky || destination.id == R.id.nav_single_sat -> {
                     this.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
                     toolbar.visibility = View.VISIBLE
                     timerLayout.visibility = View.VISIBLE
@@ -94,11 +105,26 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun setupDrawer() {
+        viewModel.debugMessage.observe(this, androidx.lifecycle.Observer { debug_message ->
+            if (debug_message != "") {
+                Toast.makeText(this, debug_message, Toast.LENGTH_SHORT).show()
+            }
+        })
+
         viewModel.gsp.observe(this, androidx.lifecycle.Observer { gsp ->
             drawerLat.text = String.format("%.4f", gsp.latitude)
             drawerLon.text = String.format("%.4f", gsp.longitude)
             drawerHeight.text = String.format("%.1fm", gsp.heightAMSL)
         })
+
+        drawerBtnLoc.setOnClickListener { updateLocation() }
+        drawerBtnTle.setOnClickListener { viewModel.updateTwoLineElementFile() }
+        drawerBtnTrans.setOnClickListener { viewModel.updateTransmittersDatabase() }
+        drawerBtnGithub.setOnClickListener {
+            val intentGitHub = Intent(Intent.ACTION_VIEW, Uri.parse(githubUrl))
+            startActivity(intentGitHub)
+        }
+        drawerBtnExit.setOnClickListener { finish() }
     }
 
     private fun setupTimer() {
@@ -139,15 +165,6 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
-    private fun goToGithub() {
-        val intentGitHub = Intent(Intent.ACTION_VIEW, Uri.parse(githubUrl))
-        startActivity(intentGitHub)
-    }
-
-    private fun exit() {
-        finish()
-    }
-
     override fun onRequestPermissionsResult(reqCode: Int, perms: Array<out String>, res: IntArray) {
         when (reqCode) {
             permLocationCode -> {

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

@@ -4,7 +4,6 @@ import android.app.Application
 import android.content.Context
 import android.content.SharedPreferences
 import android.location.Location
-import android.widget.Toast
 import androidx.core.content.edit
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
@@ -21,25 +20,38 @@ import java.io.IOException
 
 class MainViewModel(application: Application) : AndroidViewModel(application) {
 
+    private val keyLat = "LATITUDE"
+    private val keyLon = "LONGITUDE"
+    private val keyHeight = "HEIGHT"
+
     private val repository: Repository = Injector.provideRepository(application)
     private val preferences = PreferenceManager.getDefaultSharedPreferences(application)
     private val fusedLocationClient = LocationServices.getFusedLocationProviderClient(application)
-    private val _gsp = MutableLiveData<GroundStationPosition>()
+    private val _debugMessage = MutableLiveData("")
+    val debugMessage: LiveData<String> = _debugMessage
+    private val _gsp = MutableLiveData<GroundStationPosition>(
+        GroundStationPosition(
+            preferences.getDouble(keyLat, 0.0),
+            preferences.getDouble(keyLon, 0.0),
+            preferences.getDouble(keyHeight, 0.0)
+        )
+    )
     val gsp: LiveData<GroundStationPosition> = _gsp
 
     fun updateLocation() {
         fusedLocationClient.lastLocation.addOnSuccessListener { location: Location? ->
-            val lat = location?.latitude ?: 51.5074
+            val lat = location?.latitude ?: 0.0
-            val lon = location?.longitude ?: 0.1278
+            val lon = location?.longitude ?: 0.0
-            val height = location?.altitude ?: 48.0
+            val height = location?.altitude ?: 0.0
 
             preferences.edit {
-                putDouble("LATITUDE", lat)
+                putDouble(keyLat, lat)
-                putDouble("LONGITUDE", lon)
+                putDouble(keyLon, lon)
-                putDouble("HEIGHT", height)
+                putDouble(keyHeight, height)
                 apply()
             }
             _gsp.postValue(GroundStationPosition(lat, lon, height))
+            _debugMessage.postValue("Location was updated")
         }
     }
 
@@ -50,9 +62,9 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
                 getApplication<Application>().openFileOutput(fileName, Context.MODE_PRIVATE).use {
                     it.write(repository.fetchTleStream().readBytes())
                 }
-                Toast.makeText(getApplication(), "TLE file was updated", Toast.LENGTH_SHORT).show()
+                _debugMessage.postValue("TLE file was updated")
             } catch (exception: IOException) {
-                Toast.makeText(getApplication(), "Could not update TLE", Toast.LENGTH_SHORT).show()
+                _debugMessage.postValue("Couldn't update TLE file")
             }
         }
     }
@@ -61,9 +73,9 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
         viewModelScope.launch(Dispatchers.IO) {
             try {
                 repository.updateTransmittersDatabase()
-                Toast.makeText(getApplication(), "", Toast.LENGTH_SHORT).show()
+                _debugMessage.postValue("Transmitters were updated")
             } catch (exception: IOException) {
-                Toast.makeText(getApplication(), "", Toast.LENGTH_SHORT).show()
+                _debugMessage.postValue("Couldn't update transmitters")
             }
         }
     }

build.gradle

@@ -8,7 +8,7 @@ buildscript {
 
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.1'
+        classpath 'com.android.tools.build:gradle:3.5.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -33,7 +33,7 @@ ext {
     preference = '1.1.0'
 
     navigation = '2.1.0'
-    lifecycle = '2.1.0'
+    lifecycle = '2.2.0-rc01'
     work = '2.2.0'
     room = '2.2.1'