Switched to using Kotlin Flow in repository, zoom fix

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

@@ -20,10 +20,7 @@
 package com.rtbishop.look4sat
 
 import android.net.Uri
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
+import androidx.lifecycle.*
 import com.rtbishop.look4sat.data.*
 import com.rtbishop.look4sat.repo.EntriesRepo
 import com.rtbishop.look4sat.repo.SourcesRepo
@@ -50,7 +47,7 @@ class SharedViewModel @Inject constructor(
     private val _appEvent = MutableLiveData<Event<Int>>()
     private var selectedEntries = emptyList<SatEntry>()
     private var shouldTriggerCalculation = true
-
+    
     init {
         if (prefsManager.isFirstLaunch()) {
             updateDefaultSourcesAndEntries()
@@ -58,21 +55,22 @@ class SharedViewModel @Inject constructor(
         }
         startApplicationTimer()
     }
-
+    
     fun getAppEvent(): LiveData<Event<Int>> = _appEvent
     fun getAppTimer(): LiveData<Long> = _appTimer
-    fun getSources() = sourcesRepo.getSources()
-    fun getEntries() = entriesRepo.getEntries()
+    fun getSources() = sourcesRepo.getSources().asLiveData()
+    fun getEntries() = entriesRepo.getEntries().asLiveData()
     fun getPasses(): LiveData<Result<MutableList<SatPass>>> = _passes
-    fun getTransmittersForSat(satId: Int) = transmittersRepo.getTransmittersForSat(satId)
-
+    fun getTransmittersForSat(satId: Int) =
+        transmittersRepo.getTransmittersForSat(satId).asLiveData()
+    
     fun triggerCalculation() {
         if (shouldTriggerCalculation) {
             shouldTriggerCalculation = false
             calculatePasses()
         }
     }
-
+    
     fun calculatePasses(dateNow: Date = Date(System.currentTimeMillis())) {
         shouldTriggerCalculation = false
         _passes.value = Result.InProgress

app/src/main/java/com/rtbishop/look4sat/repo/EntriesRepo.kt

@@ -21,12 +21,12 @@ package com.rtbishop.look4sat.repo
 
 import android.content.ContentResolver
 import android.net.Uri
-import androidx.lifecycle.LiveData
 import com.github.amsacode.predict4java.TLE
 import com.rtbishop.look4sat.data.SatEntry
 import com.rtbishop.look4sat.data.TleSource
 import com.rtbishop.look4sat.repo.local.EntriesDao
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.withContext
 import okhttp3.OkHttpClient
 import okhttp3.Request
@@ -39,7 +39,7 @@ class EntriesRepo @Inject constructor(
     private val entriesDao: EntriesDao
 ) {
     
-    fun getEntries(): LiveData<List<SatEntry>> {
+    fun getEntries(): Flow<List<SatEntry>> {
         return entriesDao.getEntries()
     }
     

app/src/main/java/com/rtbishop/look4sat/repo/SourcesRepo.kt

@@ -19,14 +19,14 @@
 
 package com.rtbishop.look4sat.repo
 
-import androidx.lifecycle.LiveData
 import com.rtbishop.look4sat.data.TleSource
 import com.rtbishop.look4sat.repo.local.SourcesDao
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 
 class SourcesRepo @Inject constructor(private val sourcesDao: SourcesDao) {
     
-    fun getSources(): LiveData<List<TleSource>> {
+    fun getSources(): Flow<List<TleSource>> {
         return sourcesDao.getSources()
     }
     

app/src/main/java/com/rtbishop/look4sat/repo/TransmittersRepo.kt

@@ -19,10 +19,10 @@
 
 package com.rtbishop.look4sat.repo
 
-import androidx.lifecycle.LiveData
 import com.rtbishop.look4sat.data.SatTrans
 import com.rtbishop.look4sat.repo.local.TransmittersDao
 import com.rtbishop.look4sat.repo.remote.TransmittersApi
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 
 class TransmittersRepo @Inject constructor(
@@ -30,7 +30,7 @@ class TransmittersRepo @Inject constructor(
     private val transmittersApi: TransmittersApi
 ) {
     
-    fun getTransmittersForSat(satId: Int): LiveData<List<SatTrans>> {
+    fun getTransmittersForSat(satId: Int): Flow<List<SatTrans>> {
         return transmittersDao.getTransmittersForSat(satId)
     }
     

app/src/main/java/com/rtbishop/look4sat/repo/local/EntriesDao.kt

@@ -19,15 +19,15 @@
 
 package com.rtbishop.look4sat.repo.local
 
-import androidx.lifecycle.LiveData
 import androidx.room.*
 import com.rtbishop.look4sat.data.SatEntry
+import kotlinx.coroutines.flow.Flow
 
 @Dao
 interface EntriesDao {
-
+    
     @Query("SELECT * FROM entries ORDER BY name ASC")
-    fun getEntries(): LiveData<List<SatEntry>>
+    fun getEntries(): Flow<List<SatEntry>>
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     suspend fun insertEntries(entries: List<SatEntry>)

app/src/main/java/com/rtbishop/look4sat/repo/local/SourcesDao.kt

@@ -19,15 +19,15 @@
 
 package com.rtbishop.look4sat.repo.local
 
-import androidx.lifecycle.LiveData
 import androidx.room.*
 import com.rtbishop.look4sat.data.TleSource
+import kotlinx.coroutines.flow.Flow
 
 @Dao
 interface SourcesDao {
-
+    
     @Query("SELECT * FROM sources")
-    fun getSources(): LiveData<List<TleSource>>
+    fun getSources(): Flow<List<TleSource>>
 
     @Transaction
     suspend fun updateSources(sources: List<TleSource>) {

app/src/main/java/com/rtbishop/look4sat/repo/local/TransmittersDao.kt

@@ -19,15 +19,15 @@
 
 package com.rtbishop.look4sat.repo.local
 
-import androidx.lifecycle.LiveData
 import androidx.room.*
 import com.rtbishop.look4sat.data.SatTrans
+import kotlinx.coroutines.flow.Flow
 
 @Dao
 interface TransmittersDao {
-
+    
     @Query("SELECT * FROM transmitters WHERE isAlive = 1 and catNum = :satId")
-    fun getTransmittersForSat(satId: Int): LiveData<List<SatTrans>>
+    fun getTransmittersForSat(satId: Int): Flow<List<SatTrans>>
 
     @Transaction
     suspend fun updateTransmitters(transmitters: List<SatTrans>) {

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

@@ -68,7 +68,7 @@ class MapFragment : Fragment(R.layout.fragment_map) {
                 setMultiTouchControls(true)
                 setTileSource(getTileSource())
                 val minZoom = getMinZoom(resources.displayMetrics.heightPixels)
-                minZoomLevel = 2.5
+                minZoomLevel = minZoom
                 maxZoomLevel = 6.0
                 controller.setZoom(minZoom + 0.5)
                 zoomController.setVisibility(CustomZoomButtonsController.Visibility.NEVER)