change language "on fly" + fix some bugs when app not active and then restore state

Author: sokolovvova

app/src/main/java/com/test/runar/receivers/LanguageBroadcastReceiver.kt

@@ -0,0 +1,20 @@
+package com.test.runar.receivers
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import com.test.runar.RunarLogger
+import com.test.runar.repository.DatabaseRepository
+import com.test.runar.repository.SharedDataRepository
+import com.test.runar.room.AppDB
+import com.test.runar.room.DataDB
+
+class LanguageBroadcastReceiver: BroadcastReceiver() {
+
+    override fun onReceive(context: Context?, intent: Intent?) {
+        AppDB.init(context!!)
+        DatabaseRepository.reinit()
+        SharedDataRepository.init(context)
+        RunarLogger.logDebug("receive change language")
+    }
+}

app/src/main/java/com/test/runar/repository/DatabaseRepository.kt

@@ -8,8 +8,12 @@ import com.test.runar.room.AppDB
 import com.test.runar.room.DataDB
 
 object DatabaseRepository {
-    private val appDao = AppDB.getLayoutDB().appDAO()
-    private val dataDao = DataDB.getDataDB().dataDAO()
+    private var appDao = AppDB.getLayoutDB().appDAO()
+    private var dataDao = DataDB.getDataDB().dataDAO()
+    fun reinit(){
+        appDao = AppDB.getLayoutDB().appDAO()
+        dataDao = DataDB.getDataDB().dataDAO()
+    }
 
     suspend fun notShow(id: Int) {
         dataDao.notShow(id)

app/src/main/java/com/test/runar/room/AppDB.kt

@@ -28,11 +28,9 @@ abstract class AppDB : RoomDatabase() {
             } else {
                 dataBaseFilePath = "database/en_layouts.db"
             }
-            synchronized(this) {
-                context.deleteDatabase("LD_DATABASE")  //stupid solution need to fix in future (maybe)
-                INSTANCE = Room.databaseBuilder(context, AppDB::class.java, "LD_DATABASE")
+            context.deleteDatabase("LD_DATABASE")  //stupid solution need to fix in future (maybe)
+            INSTANCE = Room.databaseBuilder(context, AppDB::class.java, "LD_DATABASE")
                     .createFromAsset(dataBaseFilePath).build()
-            }
         }
 
         fun getLayoutDB(): AppDB {

app/src/main/java/com/test/runar/ui/activity/MainActivity.kt

@@ -1,5 +1,6 @@
 package com.test.runar.ui.activity
 
+import android.content.IntentFilter
 import android.os.Bundle
 import android.view.WindowManager
 import androidx.activity.viewModels
@@ -10,6 +11,7 @@ import com.test.runar.R
 import com.test.runar.RunarLogger
 import com.test.runar.databinding.ActivityMainBinding
 import com.test.runar.presentation.viewmodel.MainViewModel
+import com.test.runar.receivers.LanguageBroadcastReceiver
 import com.test.runar.ui.Navigator
 import com.test.runar.ui.dialogs.CancelDialog
 import com.test.runar.ui.fragments.*
@@ -18,6 +20,7 @@ class MainActivity : AppCompatActivity(), Navigator {
 
     private val viewModel: MainViewModel by viewModels()
     private var fontSize: Float = 0f
+    private var languageReceiver = LanguageBroadcastReceiver()
 
     private lateinit var binding: ActivityMainBinding
 
@@ -35,6 +38,9 @@ class MainActivity : AppCompatActivity(), Navigator {
             initFragments()
         }
 
+        this.registerReceiver(languageReceiver, IntentFilter("android.intent.action.LOCALE_CHANGED"))
+
+
         viewModel.identify()
         supportActionBar?.hide()
 
@@ -66,6 +72,11 @@ class MainActivity : AppCompatActivity(), Navigator {
 
     }
 
+    override fun onResume() {
+        forceBarHide()
+        super.onResume()
+    }
+
     private fun initFragments() {
         supportFragmentManager.beginTransaction()
             .add(R.id.fragmentContainer, LayoutFragment())
@@ -139,6 +150,15 @@ class MainActivity : AppCompatActivity(), Navigator {
         binding.bottomNavigationBar.isVisible = true
     }
 
+    fun forceBarHide(){
+        val topFragment = supportFragmentManager.findFragmentById(R.id.fragmentContainer)
+        when(topFragment){
+            is LayoutFragment -> binding.bottomNavigationBar.isVisible = true
+            is LibraryFragment -> binding.bottomNavigationBar.isVisible = true
+            else-> binding.bottomNavigationBar.isVisible = false
+        }
+    }
+
     companion object {
         private const val KEY_TO_LAYOUT_FRAGMENT_BACK = "KEY_LAYOUT_FRAGMENT"
     }