Further code cleanup, injected PrefsManager, libs update

app/build.gradle

@@ -24,14 +24,15 @@ apply plugin: 'kotlin-kapt'
 apply plugin: "androidx.navigation.safeargs.kotlin"
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion "29.0.3"
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
     defaultConfig {
         applicationId "com.rtbishop.look4sat"
         minSdkVersion 21
-        targetSdkVersion 29
+        targetSdkVersion 30
         versionCode 18
         versionName '1.4.8'
+        resConfigs "en", "ru"
     }
     buildTypes {
         release {

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

@@ -22,7 +22,10 @@ package com.rtbishop.look4sat.ui
 import android.net.Uri
 import androidx.lifecycle.*
 import com.github.amsacode.predict4java.GroundStationPosition
-import com.rtbishop.look4sat.data.*
+import com.rtbishop.look4sat.data.Result
+import com.rtbishop.look4sat.data.SatEntry
+import com.rtbishop.look4sat.data.SatPass
+import com.rtbishop.look4sat.data.TleSource
 import com.rtbishop.look4sat.repo.Repository
 import com.rtbishop.look4sat.utility.PassPredictor
 import com.rtbishop.look4sat.utility.PrefsManager
@@ -39,6 +42,7 @@ class SharedViewModel @Inject constructor(
 ) : ViewModel() {
 
     private val _passes = MutableLiveData<Result<MutableList<SatPass>>>()
+    private var selectedEntries = emptyList<SatEntry>()
 
     init {
         if (prefsManager.isFirstLaunch()) {
@@ -46,35 +50,15 @@ class SharedViewModel @Inject constructor(
         }
     }
 
+    fun setSelectedEntries(entries: List<SatEntry>) {
+        selectedEntries = entries.filter { it.isSelected }
+    }
+
     fun getSources() = repository.getSources()
     fun getEntries() = repository.getEntries()
     fun getPasses(): LiveData<Result<MutableList<SatPass>>> = _passes
     fun getTransmittersForSat(id: Int) = liveData { emit(repository.getTransmittersForSatId(id)) }
 
-    fun getPassPrefs(): PassPrefs {
-        return prefsManager.getPassPrefs()
-    }
-
-    fun setPassPrefs(hoursAhead: Int, minEl: Double) {
-        prefsManager.setPassPrefs(hoursAhead, minEl)
-    }
-
-    fun getStationPosition(): GroundStationPosition {
-        return prefsManager.getStationPosition()
-    }
-
-    fun setStationPositionFromGPS() {
-        prefsManager.setStationPositionFromGPS()
-    }
-
-    fun shouldUseUTC(): Boolean {
-        return prefsManager.shouldUseUTC()
-    }
-
-    fun shouldUseCompass(): Boolean {
-        return prefsManager.shouldUseCompass()
-    }
-
     fun updateEntriesFromFile(uri: Uri) {
         viewModelScope.launch {
             repository.updateEntriesFromFile(uri)
@@ -89,31 +73,35 @@ class SharedViewModel @Inject constructor(
         }
     }
 
-    fun updateEntriesSelection(satIds: MutableList<Int>) {
+    fun updateEntriesSelection(entries: List<SatEntry>) {
         viewModelScope.launch {
-            repository.updateEntriesSelection(satIds)
+            selectedEntries = entries.filter { it.isSelected }
+            calculatePasses()
+            repository.updateEntriesSelection(selectedEntries.map { it.catNum })
         }
     }
 
-    fun calculatePassesForEntries(entries: List<SatEntry>) {
+    fun calculatePasses(dateNow: Date = Date(System.currentTimeMillis())) {
         _passes.value = Result.InProgress
-        val dateNow = Date(System.currentTimeMillis())
-        val passes = mutableListOf<SatPass>()
         viewModelScope.launch(Dispatchers.Default) {
-            entries.forEach {
-                passes.addAll(getPassesForEntries(it, dateNow, getStationPosition()))
+            val passes = mutableListOf<SatPass>()
+            selectedEntries.forEach {
+                passes.addAll(getPassesForEntries(it, dateNow, prefsManager.getStationPosition()))
             }
-            val filteredPasses = filterAndSortPasses(passes, dateNow, getPassPrefs().hoursAhead)
+            val filteredPasses =
+                filterAndSortPasses(passes, dateNow, prefsManager.getPassPrefs().hoursAhead)
             _passes.postValue(Result.Success(filteredPasses))
         }
     }
 
     private fun setDefaultTleSources() {
-        val defaultTleSources = listOf(
-            TleSource("https://celestrak.com/NORAD/elements/active.txt"),
-            TleSource("https://amsat.org/tle/current/nasabare.txt")
-        )
-        viewModelScope.launch { repository.updateSources(defaultTleSources) }
+        viewModelScope.launch {
+            val defaultTleSources = listOf(
+                TleSource("https://celestrak.com/NORAD/elements/active.txt"),
+                TleSource("https://amsat.org/tle/current/nasabare.txt")
+            )
+            repository.updateSources(defaultTleSources)
+        }
     }
 
     private fun getPassesForEntries(

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

@@ -6,7 +6,7 @@ import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.res.ResourcesCompat
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.ViewModelProvider
+import androidx.fragment.app.activityViewModels
 import androidx.navigation.findNavController
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -26,7 +26,7 @@ class EntriesFragment : Fragment(R.layout.fragment_entries) {
     lateinit var factory: ViewModelFactory
 
     private lateinit var binding: FragmentEntriesBinding
-    private lateinit var viewModel: SharedViewModel
+    private val viewModel: SharedViewModel by activityViewModels { factory }
     private val pickFileReqCode = 100
     private val entriesAdapter = EntriesAdapter()
     private var tleSources = listOf<TleSource>()
@@ -35,7 +35,6 @@ class EntriesFragment : Fragment(R.layout.fragment_entries) {
         super.onViewCreated(view, savedInstanceState)
         binding = FragmentEntriesBinding.bind(view)
         (requireActivity().application as Look4SatApp).appComponent.inject(this)
-        viewModel = ViewModelProvider(requireActivity(), factory).get(SharedViewModel::class.java)
         setupComponents()
         setupObservers()
     }
@@ -51,6 +50,7 @@ class EntriesFragment : Fragment(R.layout.fragment_entries) {
                 layoutManager = linearLayoutMgr
                 adapter = entriesAdapter
                 addItemDecoration(divider)
+                setHasFixedSize(true)
             }
             importWeb.setOnClickListener { showImportFromWebDialog() }
             importFile.setOnClickListener { showImportFromFileDialog() }
@@ -64,6 +64,7 @@ class EntriesFragment : Fragment(R.layout.fragment_entries) {
     private fun setupObservers() {
         viewModel.getSources().observe(viewLifecycleOwner, { tleSources = it })
         viewModel.getEntries().observe(viewLifecycleOwner, {
+            viewModel.setSelectedEntries(it)
             entriesAdapter.setEntries(it as MutableList<SatEntry>)
         })
     }
@@ -81,9 +82,8 @@ class EntriesFragment : Fragment(R.layout.fragment_entries) {
     }
 
     private fun navigateToPasses() {
-        val catNumList = mutableListOf<Int>()
-        entriesAdapter.getEntries().forEach { if (it.isSelected) catNumList.add(it.catNum) }
-        viewModel.updateEntriesSelection(catNumList)
+        binding.searchBar.clearFocus()
+        viewModel.updateEntriesSelection(entriesAdapter.getEntries())
         requireView().findNavController().navigate(R.id.action_entries_to_passes)
     }
 

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

@@ -10,7 +10,7 @@ import androidx.core.content.ContextCompat
 import androidx.core.content.res.ResourcesCompat
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
-import androidx.lifecycle.ViewModelProvider
+import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.preference.PreferenceManager
 import com.github.amsacode.predict4java.GroundStationPosition
@@ -22,6 +22,7 @@ import com.rtbishop.look4sat.data.SatItem
 import com.rtbishop.look4sat.data.SatPass
 import com.rtbishop.look4sat.databinding.FragmentMapBinding
 import com.rtbishop.look4sat.ui.SharedViewModel
+import com.rtbishop.look4sat.utility.PrefsManager
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -42,22 +43,24 @@ import kotlin.math.sqrt
 class MapFragment : Fragment(R.layout.fragment_map) {
 
     @Inject
-    lateinit var modelFactory: ViewModelFactory
+    lateinit var factory: ViewModelFactory
+
+    @Inject
+    lateinit var prefsManager: PrefsManager
 
     private lateinit var mainActivity: FragmentActivity
-    private lateinit var viewModel: SharedViewModel
     private lateinit var binding: FragmentMapBinding
     private lateinit var trackPaint: Paint
     private lateinit var footprintPaint: Paint
     private lateinit var selectedPass: SatPass
     private val dateNow = Date(System.currentTimeMillis())
+    private val viewModel: SharedViewModel by activityViewModels { factory }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         binding = FragmentMapBinding.bind(view)
         mainActivity = requireActivity()
         (mainActivity.application as Look4SatApp).appComponent.inject(this)
-        viewModel = ViewModelProvider(mainActivity, modelFactory).get(SharedViewModel::class.java)
 
         val prefs = PreferenceManager.getDefaultSharedPreferences(mainActivity.applicationContext)
         Configuration.getInstance().load(mainActivity.applicationContext, prefs)
@@ -78,7 +81,7 @@ class MapFragment : Fragment(R.layout.fragment_map) {
         }
 
         setupMapView()
-        setupPosOverlay(viewModel.getStationPosition())
+        setupPosOverlay(prefsManager.getStationPosition())
         setupObservers()
     }
 

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

@@ -19,25 +19,27 @@
 
 package com.rtbishop.look4sat.ui.fragments
 
+import android.animation.ObjectAnimator
 import android.os.Bundle
 import android.os.CountDownTimer
 import android.view.View
 import android.widget.EditText
 import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.ViewModelProvider
+import androidx.fragment.app.activityViewModels
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.SimpleItemAnimator
 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.SatEntry
 import com.rtbishop.look4sat.data.SatPass
 import com.rtbishop.look4sat.databinding.FragmentPassesBinding
 import com.rtbishop.look4sat.ui.SharedViewModel
 import com.rtbishop.look4sat.ui.adapters.PassesAdapter
+import com.rtbishop.look4sat.utility.PrefsManager
 import com.rtbishop.look4sat.utility.Utilities
+import com.rtbishop.look4sat.utility.Utilities.getRotationAnimator
 import com.rtbishop.look4sat.utility.Utilities.snack
 import java.util.*
 import javax.inject.Inject
@@ -47,44 +49,35 @@ class PassesFragment : Fragment(R.layout.fragment_passes) {
     @Inject
     lateinit var factory: ViewModelFactory
 
-    private lateinit var viewModel: SharedViewModel
+    @Inject
+    lateinit var prefsManager: PrefsManager
+
     private lateinit var aosTimer: CountDownTimer
     private lateinit var binding: FragmentPassesBinding
-    private var isTimerSet: Boolean = false
+    private lateinit var animator: ObjectAnimator
+    private val viewModel: SharedViewModel by activityViewModels { factory }
     private val passesAdapter = PassesAdapter()
-    private var selectedEntries = listOf<SatEntry>()
+    private var isTimerSet: Boolean = false
     private var passes = mutableListOf<SatPass>()
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         binding = FragmentPassesBinding.bind(view)
         (requireActivity().application as Look4SatApp).appComponent.inject(this)
-        viewModel = ViewModelProvider(requireActivity(), factory).get(SharedViewModel::class.java)
-        setupObservers()
         setupComponents()
+        setupObservers()
     }
 
-//    override fun onStart() {
-//        super.onStart()
-//        if (selectedEntries.isEmpty()) {
-//            viewModel.calculatePassesForEntries(selectedEntries)
-//        }
-//    }
-
     private fun setupObservers() {
-        viewModel.getEntries().observe(viewLifecycleOwner, { allEntries ->
-            selectedEntries = allEntries.filter { it.isSelected }
-//            viewModel.calculatePassesForEntries(selectedEntries)
-        })
         viewModel.getPasses().observe(viewLifecycleOwner, { result ->
             when (result) {
                 is Result.Success -> {
+                    animator.cancel()
                     passes = result.data
                     passesAdapter.setList(passes)
                     setTimerForPasses(passes)
                 }
-                is Result.InProgress -> {
-                }
+                is Result.InProgress -> animator.start()
             }
         })
     }
@@ -96,15 +89,22 @@ class PassesFragment : Fragment(R.layout.fragment_passes) {
                 adapter = passesAdapter
                 isVerticalScrollBarEnabled = false
                 (itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
+                setHasFixedSize(true)
             }
             passesFilter.setOnClickListener {
-                val passPrefs = viewModel.getPassPrefs()
+                val passPrefs = prefsManager.getPassPrefs()
                 showSatPassPrefsDialog(passPrefs.hoursAhead, passPrefs.minEl)
             }
-            passesFab.setOnClickListener { viewModel.calculatePassesForEntries(selectedEntries) }
+            animator = passesFab.getRotationAnimator()
+            passesFab.setOnClickListener {
+                if (animator.isRunning) {
+                    animator.cancel()
+                } else {
+                    viewModel.calculatePasses()
+                }
+            }
         }
-        passesAdapter.setShouldUseUTC(viewModel.shouldUseUTC())
-        passesAdapter.setList(passes)
+        passesAdapter.setShouldUseUTC(prefsManager.shouldUseUTC())
         setTimerForPasses(passes)
     }
 
@@ -130,8 +130,8 @@ class PassesFragment : Fragment(R.layout.fragment_passes) {
                             getString(R.string.pref_min_el_input_error).snack(requireView())
                         }
                         else -> {
-                            viewModel.setPassPrefs(hours, elevation)
-                            viewModel.calculatePassesForEntries(selectedEntries)
+                            prefsManager.setPassPrefs(hours, elevation)
+                            viewModel.calculatePasses()
                         }
                     }
                 } else getString(R.string.err_enter_value).snack(requireView())
@@ -183,7 +183,7 @@ class PassesFragment : Fragment(R.layout.fragment_passes) {
         val millisBeforeEnd = lastPass.pass.endTime.time.minus(timeNow.time)
         aosTimer = object : CountDownTimer(millisBeforeEnd, 1000) {
             override fun onFinish() {
-                viewModel.calculatePassesForEntries(selectedEntries)
+                viewModel.calculatePasses()
             }
 
             override fun onTick(millisUntilFinished: Long) {

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

@@ -25,7 +25,7 @@ import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
-import androidx.lifecycle.ViewModelProvider
+import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.navArgs
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -38,6 +38,7 @@ import com.rtbishop.look4sat.databinding.FragmentPolarBinding
 import com.rtbishop.look4sat.ui.SharedViewModel
 import com.rtbishop.look4sat.ui.adapters.TransAdapter
 import com.rtbishop.look4sat.ui.views.PolarView
+import com.rtbishop.look4sat.utility.PrefsManager
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import java.util.*
@@ -47,24 +48,26 @@ import kotlin.math.round
 class PolarFragment : Fragment(R.layout.fragment_polar), SensorEventListener {
 
     @Inject
-    lateinit var modelFactory: ViewModelFactory
+    lateinit var factory: ViewModelFactory
+
+    @Inject
+    lateinit var prefsManager: PrefsManager
 
     private lateinit var mainActivity: FragmentActivity
-    private lateinit var viewModel: SharedViewModel
     private lateinit var binding: FragmentPolarBinding
     private lateinit var satPass: SatPass
     private lateinit var sensorManager: SensorManager
-    private var polarView: PolarView? = null
+    private val viewModel: SharedViewModel by activityViewModels { factory }
     private val args: PolarFragmentArgs by navArgs()
     private val transmitterAdapter = TransAdapter()
     private var magneticDeclination = 0f
+    private var polarView: PolarView? = null
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         mainActivity = requireActivity()
         binding = FragmentPolarBinding.bind(view)
         (mainActivity.application as Look4SatApp).appComponent.inject(this)
-        viewModel = ViewModelProvider(mainActivity, modelFactory).get(SharedViewModel::class.java)
         sensorManager = mainActivity.getSystemService(Context.SENSOR_SERVICE) as SensorManager
         binding.recycler.apply {
             layoutManager = LinearLayoutManager(mainActivity)
@@ -76,7 +79,7 @@ class PolarFragment : Fragment(R.layout.fragment_polar), SensorEventListener {
 
     override fun onResume() {
         super.onResume()
-        if (viewModel.shouldUseCompass()) {
+        if (prefsManager.shouldUseCompass()) {
             sensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR).also { sensor ->
                 sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_NORMAL)
             }
@@ -85,7 +88,7 @@ class PolarFragment : Fragment(R.layout.fragment_polar), SensorEventListener {
 
     override fun onPause() {
         super.onPause()
-        if (viewModel.shouldUseCompass()) {
+        if (prefsManager.shouldUseCompass()) {
             sensorManager.unregisterListener(this)
         }
     }
@@ -134,7 +137,7 @@ class PolarFragment : Fragment(R.layout.fragment_polar), SensorEventListener {
     }
 
     private fun calculateMagneticDeclination() {
-        val position = viewModel.getStationPosition()
+        val position = prefsManager.getStationPosition()
         val geoField = GeomagneticField(
             position.latitude.toFloat(),
             position.longitude.toFloat(),

app/src/main/java/com/rtbishop/look4sat/utility/Utilities.kt

@@ -30,7 +30,7 @@ object Utilities {
 
     fun View.getRotationAnimator(): ObjectAnimator {
         return ObjectAnimator.ofFloat(this, "rotation", 0f, 360f).apply {
-            duration = 800
+            duration = 333
             repeatCount = ObjectAnimator.INFINITE
             repeatMode = ObjectAnimator.RESTART
             interpolator = LinearInterpolator()

build.gradle

@@ -23,7 +23,7 @@ buildscript {
         gradle_plugin_version = '1.4.10'
         material_version = '1.2.1'
         constraint_layout_version = '2.0.1'
-        ktx_version = '1.3.1'
+        ktx_version = '1.3.2'
         preference_version = '1.1.1'
         navigation_version = '2.3.0'
         lifecycle_version = '2.2.0'