fix: not working language selection

app/build.gradle.kts

@@ -154,9 +154,11 @@ dependencies {
     }
 
     // UI Component : Material Drawer
+    // https://github.com/mikepenz/MaterialDrawer/commit/3b2cb1db4c3b6afe639b0f3c21c03c1de68648a3
+    // TODO: We need minSdk 16 to update
     implementation("com.mikepenz:materialdrawer:7.0.0") { isTransitive = true }
 
-    //DO NOT UPDATE : RecyclerViewCacheUtil removed, needs rework
+    // DO NOT UPDATE : RecyclerViewCacheUtil removed, needs rework
     implementation("com.mikepenz:fastadapter-commons:3.3.1@aar")
 
     // UI Component : Font Icons

app/src/androidTest/java/openfoodfacts/github/scrachx/openfood/repositories/ProductRepositoryTest.kt

@@ -11,6 +11,7 @@ import kotlinx.coroutines.test.runBlockingTest
 import openfoodfacts.github.scrachx.openfood.models.DaoSession
 import openfoodfacts.github.scrachx.openfood.models.entities.allergen.Allergen
 import openfoodfacts.github.scrachx.openfood.models.entities.allergen.AllergenName
+import openfoodfacts.github.scrachx.openfood.utils.getAppPreferences
 import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertNotNull
@@ -50,8 +51,9 @@ class ProductRepositoryTest {
 
     @Test
     fun testGetAllergens() = runBlockingTest {
-        val mSettings = instance.getSharedPreferences("prefs", 0)
-        val isDownloadActivated = mSettings.getBoolean(Taxonomy.Allergens.getDownloadActivatePreferencesId(), false)
+        val appPrefs = instance.getAppPreferences()
+
+        val isDownloadActivated = appPrefs.getBoolean(Taxonomy.Allergens.getDownloadActivatePreferencesId(), false)
         val allergens = productRepository.reloadAllergensFromServer()
         assertNotNull(allergens)
         if (!isDownloadActivated) {

app/src/main/java/openfoodfacts/github/scrachx/openfood/AppFlavors.kt

@@ -22,6 +22,6 @@ object AppFlavors {
     const val OBF = "obf"
 
     @JvmStatic
-    fun isFlavors(vararg flavors: String) = flavors.contains(BuildConfig.FLAVOR_versionCode)
+    fun isFlavors(vararg flavors: String) = BuildConfig.FLAVOR_versionCode in flavors
 
 }

app/src/main/java/openfoodfacts/github/scrachx/openfood/features/ImagesManageActivity.kt

@@ -96,7 +96,7 @@ class ImagesManageActivity : BaseActivity() {
 
     private var lastViewedImage: File? = null
     private lateinit var attacher: PhotoViewAttacher
-    private val settings by lazy { getSharedPreferences("prefs", 0) }
+    private val settings by lazy { getAppPreferences() }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -185,7 +185,7 @@ class ImagesManageActivity : BaseActivity() {
                     4 -> startShowCase(getString(R.string.title_edit_photo), getString(R.string.content_edit_photo), R.id.btnEditImage, 5)
                     5 -> startShowCase(getString(R.string.title_unselect_photo), getString(R.string.content_unselect_photo), R.id.btnUnselectImage, 6)
                     6 -> startShowCase(getString(R.string.title_exit), getString(R.string.content_exit), R.id.btn_done, 7)
-                    7 -> settings!!.edit { putBoolean(getString(R.string.check_first_time), false) }
+                    7 -> settings.edit { putBoolean(getString(R.string.check_first_time), false) }
                 }
             }
             .build()

app/src/main/java/openfoodfacts/github/scrachx/openfood/features/allergensalert/AllergensAlertFragment.kt

@@ -21,6 +21,8 @@ import android.view.*
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.edit
 import androidx.core.content.res.ResourcesCompat
+import androidx.core.view.isGone
+import androidx.core.view.isVisible
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
@@ -39,6 +41,7 @@ import openfoodfacts.github.scrachx.openfood.repositories.ProductRepository
 import openfoodfacts.github.scrachx.openfood.utils.LocaleManager
 import openfoodfacts.github.scrachx.openfood.utils.NavigationDrawerListener
 import openfoodfacts.github.scrachx.openfood.utils.NavigationDrawerListener.NavigationDrawerType
+import openfoodfacts.github.scrachx.openfood.utils.getAppPreferences
 import openfoodfacts.github.scrachx.openfood.utils.isNetworkConnected
 import javax.inject.Inject
 
@@ -64,7 +67,7 @@ class AllergensAlertFragment : NavigationBaseFragment() {
     private var allergensFromDao: List<AllergenName>? = null
 
     private lateinit var adapter: AllergensAdapter
-    private val mSettings by lazy { requireActivity().getSharedPreferences("prefs", 0) }
+    private val mSettings by lazy { requireActivity().getAppPreferences() }
     private val dataObserver by lazy { AllergensObserver() }
     private val appLang: String by lazy { localeManager.getLanguage() }
 
@@ -208,20 +211,19 @@ class AllergensAlertFragment : NavigationBaseFragment() {
      * Data observer of the Recycler Views
      */
     internal inner class AllergensObserver : AdapterDataObserver() {
-        override fun onChanged() = setAppropriateView()
-        override fun onItemRangeInserted(positionStart: Int, itemCount: Int) = setAppropriateView()
-        override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) = setAppropriateView()
+        override fun onChanged() = updateView()
+        override fun onItemRangeInserted(positionStart: Int, itemCount: Int) = updateView()
+        override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) = updateView()
 
-        private fun setAppropriateView() {
+        private fun updateView() {
             val isListEmpty = adapter.itemCount == 0
-            binding.emptyAllergensView.visibility = if (isListEmpty) View.VISIBLE else View.GONE
-            binding.allergensRecycle.visibility = if (isListEmpty) View.GONE else View.VISIBLE
+
+            binding.emptyAllergensView.isVisible = isListEmpty
+            binding.allergensRecycle.isGone = isListEmpty
         }
     }
 
     companion object {
-
-        @JvmStatic
         fun newInstance() = AllergensAlertFragment().apply { arguments = Bundle() }
     }
 }

app/src/main/java/openfoodfacts/github/scrachx/openfood/features/analyticsusage/AnalyticsUsageDialogFragment.kt

@@ -5,6 +5,7 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.content.edit
 import androidx.databinding.DataBindingUtil
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import dagger.hilt.android.AndroidEntryPoint
@@ -46,9 +47,8 @@ class AnalyticsUsageDialogFragment : BottomSheetDialogFragment() {
     }
 
     private fun saveAnalyticsReportingPref(value: Boolean) {
-        sharedPreferences
-                .edit()
-                .putBoolean(getString(R.string.pref_analytics_reporting_key), value)
-                .apply()
+        sharedPreferences.edit {
+            putBoolean(getString(R.string.pref_analytics_reporting_key), value)
+        }
     }
 }

app/src/main/java/openfoodfacts/github/scrachx/openfood/features/categories/fragment/CategoryListFragment.kt

@@ -45,7 +45,7 @@ class CategoryListFragment : BaseFragment() {
 
         binding.fastScroller.setRecyclerView(binding.recycler)
         binding.recycler.viewTreeObserver.addOnGlobalLayoutListener {
-            if (this.viewModel.shownCategories.isEmpty()) {
+            if (viewModel.shownCategories.isEmpty()) {
                 binding.fastScroller.visibility = View.GONE
             } else {
                 binding.fastScroller.visibility = View.VISIBLE
@@ -79,12 +79,13 @@ class CategoryListFragment : BaseFragment() {
         searchView.setSearchableInfo(searchManager.getSearchableInfo(requireActivity().componentName))
         searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
             override fun onQueryTextSubmit(query: String): Boolean {
-                val suggestions = SearchRecentSuggestions(
-                        context,
-                        SearchSuggestionProvider.AUTHORITY,
-                        SearchSuggestionProvider.MODE
-                )
-                suggestions.saveRecentQuery(query, null)
+
+                SearchRecentSuggestions(
+                    context,
+                    SearchSuggestionProvider.AUTHORITY,
+                    SearchSuggestionProvider.MODE
+                ).saveRecentQuery(query, null)
+
                 return false
             }
 

app/src/main/java/openfoodfacts/github/scrachx/openfood/features/login/LoginActivity.kt

@@ -139,7 +139,7 @@ class LoginActivity : BaseActivity() {
                     null
                 }
             } ?: return@launch
-            val pref = this@LoginActivity.getSharedPreferences("login", 0)
+            val pref = this@LoginActivity.getLoginPreferences()
             if (isHtmlNotValid(htmlNoParsed)) {
                 loadingSnackbar.dismiss()