Firebase topic subscription changes are now immediate, added backup option in experimental dialog

app/src/main/AndroidManifest.xml

@@ -7,7 +7,8 @@
     <uses-permission android:name="android.permission.INTERNET" android:required="true"/>
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" android:required="true"/>
     <uses-permission android:name="android.permission.WAKE_LOCK" android:required="true"/>
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="25"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <application
         android:allowBackup="true"

app/src/main/java/com/denizd/substitutionplan/activities/FirstTime.kt

@@ -24,6 +24,7 @@ import com.denizd.substitutionplan.R
 import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
 import com.google.android.material.textfield.TextInputEditText
 import java.util.*
+import kotlin.math.hypot
 
 internal class FirstTime : AppCompatActivity(R.layout.activity_first_time) {
 
@@ -78,6 +79,7 @@ internal class FirstTime : AppCompatActivity(R.layout.activity_first_time) {
         val pers = findViewById<CheckBox>(R.id.cbPersonalised)
         val helpClasses = findViewById<ImageButton>(R.id.chipHelpClasses)
         val helpCourses = findViewById<ImageButton>(R.id.chipHelpCourses)
+        val greeting = findViewById<CheckBox>(R.id.cbGreetings)
 
         helpClasses.setOnClickListener {
             createDialog(getString(R.string.enterGradeHelpTitle), getString(
@@ -92,6 +94,23 @@ internal class FirstTime : AppCompatActivity(R.layout.activity_first_time) {
 
         val inflater = this.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
 
+//        findViewById<MaterialButton>(R.id.btnRestoreFromFile).setOnClickListener {
+//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+//                requestPermissions(arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), 42)
+//            }
+//            HelperFunctions.readPrefsFromXml(prefs)
+//            name.setText(prefs.getString("username", ""))
+//            grade.setText(prefs.getString("classes", ""))
+//            courses.setText(prefs.getString("courses", ""))
+//            notif.isChecked = prefs.getBoolean("notif", false)
+//            dark.isChecked = when (prefs.getInt("themeInt", 0)) {
+//                0 -> true
+//                else -> false
+//            }
+//            greeting.isChecked = prefs.getBoolean("greeting", false)
+//            pers.isChecked = prefs.getBoolean("defaultPersonalised", false)
+//        }
+
         fab.setOnClickListener {
             fab.isClickable = false
 
@@ -105,7 +124,7 @@ internal class FirstTime : AppCompatActivity(R.layout.activity_first_time) {
                 edit.putInt("themeInt", 0)
             }
             edit.putBoolean("notif", notif.isChecked)
-                    .putBoolean("greeting", findViewById<CheckBox>(R.id.cbGreetings).isChecked)
+                    .putBoolean("greeting", greeting.isChecked)
                     .putBoolean("defaultPersonalised", pers.isChecked)
                     .putBoolean("firstTime", false)
                     .putBoolean("colourTransferred", true)
@@ -116,7 +135,7 @@ internal class FirstTime : AppCompatActivity(R.layout.activity_first_time) {
 
             val x: Int = fab.right - fab.width / 2
             val y: Int = fab.bottom- fab.height / 2
-            val endRadius = Math.hypot(cLayout.width.toDouble(), cLayout.height.toDouble()).toInt()
+            val endRadius = hypot(cLayout.width.toDouble(), cLayout.height.toDouble()).toInt()
             inflater.inflate(R.layout.welcome_screen, linearInflation, true)
             val anim = ViewAnimationUtils.createCircularReveal(linearInflation, x, y, 0F, endRadius.toFloat())
             val handler = Handler()

app/src/main/java/com/denizd/substitutionplan/activities/Main.kt

@@ -20,7 +20,7 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentTransaction
 import androidx.recyclerview.widget.RecyclerView
 import com.crashlytics.android.Crashlytics
-import com.denizd.substitutionplan.data.MiscData
+import com.denizd.substitutionplan.data.HelperFunctions
 import com.denizd.substitutionplan.R
 import com.denizd.substitutionplan.fragments.FoodFragment
 import com.denizd.substitutionplan.fragments.GeneralPlanFragment
@@ -30,6 +30,7 @@ import com.denizd.substitutionplan.services.FBPingService
 import com.google.android.material.appbar.AppBarLayout
 import com.google.android.material.bottomnavigation.BottomNavigationView
 import com.google.android.material.snackbar.Snackbar
+import com.google.firebase.FirebaseApp
 import com.jaredrummler.android.device.DeviceName
 import java.lang.IllegalArgumentException
 import java.util.*
@@ -54,13 +55,14 @@ internal class Main : AppCompatActivity(R.layout.app_bar_main) {
         } else {
 
             if (!prefs.getBoolean("colourTransferred", false)) {
-                MiscData.transferOldColourIntsToString(prefs)
+                HelperFunctions.transferOldColourIntsToString(prefs)
                 edit.putBoolean("colourTransferred", true).apply()
             }
 
             edit.putInt("launchDev", prefs.getInt("launchDev", 0) + 1)
             edit.apply()
 
+            FirebaseApp.initializeApp(this)
             pingFirebaseTopics()
 
             val appbarlayout = findViewById<AppBarLayout>(R.id.appbarlayout)
@@ -119,10 +121,7 @@ internal class Main : AppCompatActivity(R.layout.app_bar_main) {
 
             if (!prefs.getBoolean("autoRefresh", false) && prefs.getInt("firstTimeOpening", 0) != 0) {
                 try {
-                    val sb = StringBuilder()
+                    Snackbar.make(contextView, "${getString(R.string.lastUpdated)} ${prefs.getString("timeNew", "")}", Snackbar.LENGTH_LONG).show()
-                    val updated = sb.append(getText(R.string.lastUpdated)).append(prefs.getString("timeNew", "")).toString()
-
-                    Snackbar.make(contextView, updated, Snackbar.LENGTH_LONG).show()
                 } catch (e: IllegalArgumentException) {}
             }
 

app/src/main/java/com/denizd/substitutionplan/adapters/CardAdapter.kt

@@ -14,7 +14,7 @@ import android.widget.Toast
 import androidx.browser.customtabs.CustomTabsIntent
 import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.RecyclerView
-import com.denizd.substitutionplan.data.MiscData
+import com.denizd.substitutionplan.data.HelperFunctions
 import com.denizd.substitutionplan.R
 import com.denizd.substitutionplan.models.Subst
 import com.google.android.material.card.MaterialCardView
@@ -74,7 +74,7 @@ internal class CardAdapter(private var mSubst: List<Subst>) : RecyclerView.Adapt
         }
 
         holder.mImageView.setImageResource(
-            MiscData.getIconForCourse(
+            HelperFunctions.getIconForCourse(
                 currentItem.course
             )
         )
@@ -105,7 +105,7 @@ internal class CardAdapter(private var mSubst: List<Subst>) : RecyclerView.Adapt
             } else {
                 ""
             }
-            colour = MiscData.getColourForString(colourPrefsInt)
+            colour = HelperFunctions.getColourForString(colourPrefsInt)
             if (colour != 0) {
                 holder.mCard.setCardBackgroundColor(ContextCompat.getColor(holder.mCourse.context, colour))
             } else {

app/src/main/java/com/denizd/substitutionplan/data/DataFetcher.kt

@@ -166,7 +166,7 @@ internal class DataFetcher(isPlan: Boolean, isMenu: Boolean, isJobService: Boole
 
             if (jobService && prefs.getBoolean("notif", true)) {
                 substArray.filter { substitution ->
-                    MiscData.checkPersonalSubstitutions(
+                    HelperFunctions.checkPersonalSubstitutions(
                         substitution,
                         coursePreference,
                         classPreference,
@@ -202,10 +202,10 @@ internal class DataFetcher(isPlan: Boolean, isMenu: Boolean, isJobService: Boole
 
         val manager = mContext.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
 
-        MiscData.getNotificationChannel(mContext, prefs)
+        HelperFunctions.getNotificationChannel(mContext, prefs)
 
         val notification = NotificationCompat.Builder(mContext,
-            MiscData.notificationChannelId
+            HelperFunctions.notificationChannelId
         )
             .setStyle(NotificationCompat.DecoratedCustomViewStyle())
             .setCustomContentView(notificationLayout)

app/src/main/java/com/denizd/substitutionplan/data/HelperFunctions.kt

@@ -1,16 +1,29 @@
 package com.denizd.substitutionplan.data
 
+import android.Manifest
 import android.annotation.TargetApi
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.content.Context
 import android.content.SharedPreferences
+import android.content.pm.PackageManager
 import android.graphics.Color
+import android.os.Environment
+import android.util.Log
+import android.widget.Toast
+import androidx.core.app.ActivityCompat
+import androidx.core.app.ActivityCompat.requestPermissions
+import androidx.core.content.ContextCompat.checkSelfPermission
+import androidx.fragment.app.FragmentActivity
 import com.denizd.substitutionplan.R
 import com.denizd.substitutionplan.models.Subst
 import java.util.*
+import java.io.File
+import java.io.FileOutputStream
+import java.io.OutputStreamWriter
+import javax.xml.parsers.DocumentBuilderFactory
 
-internal object MiscData {
+internal object HelperFunctions {
 
     val languageIndependentCourses = arrayOf("German", "English", "French", "Spanish", "Latin", "Turkish", "Chinese", "Arts", "Music",
             "Theatre", "Geography", "History", "Politics", "Philosophy", "Religion", "Maths", "Biology", "Chemistry",
@@ -164,4 +177,86 @@ internal object MiscData {
             manager.getNotificationChannel(notificationChannelId)
         }
     }
+
+    private val prefKeys = arrayOf("username", "classes", "courses", "greeting", "themeInt", "notif",
+        "defaultPersonalised", "autoRefresh", "firstTimeDev", "launchDev", "pingFB",
+        "subscribedToFBDebugChannel", "subscribedToiOSChannel")
+    private val prefTypes = arrayOf("string", "string", "string", "bool", "int", "bool", "bool", "bool",
+        "string", "int", "int", "bool", "bool")
+
+    private fun getPrefValue(prefs: SharedPreferences, type: String, key: String): Any {
+        return when (type) {
+            "string" -> prefs.getString(key, "")
+            "int" -> prefs.getInt(key, 0)
+            "bool" -> prefs.getBoolean(key, false)
+            else -> ""
+        }
+    }
+
+    private fun setPrefValue(prefs: SharedPreferences, key: String, value: String, type: String) {
+        when (type) {
+            "int" -> prefs.edit().putInt(key, value.toInt()).apply()
+            "string" -> prefs.edit().putString(key, value).apply()
+            "bool" -> prefs.edit().putBoolean(key, value.toBoolean()).apply()
+        }
+    }
+
+    fun writePrefsToXml(prefs: SharedPreferences, context: Context, activity: FragmentActivity) {
+        if (checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
+            val localPrefKeys = ArrayList<String>()
+            val localPrefTypes = ArrayList<String>()
+            for (i in prefKeys.indices) {
+                localPrefKeys.add(prefKeys[i])
+                localPrefTypes.add(prefTypes[i])
+            }
+            for (i in languageIndependentCourses.indices) {
+                localPrefKeys.add("card${languageIndependentCourses[i]}")
+                localPrefTypes.add("string")
+            }
+            val dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS)
+            val file = File(dir, "avh_plan_data.xml")
+            val out = OutputStreamWriter(FileOutputStream(file, false))
+
+            var input = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<items>"
+            for (i in localPrefKeys.indices) {
+                input += "\n\t<key>${localPrefKeys[i]}</key>" +
+                        "\n\t<value>${getPrefValue(prefs, localPrefTypes[i], localPrefKeys[i])}</value>"
+            }
+            input += "\n</items>"
+            out.write(input)
+            out.flush()
+            out.close()
+            Toast.makeText(context, context.getString(R.string.success), Toast.LENGTH_LONG).show()
+        } else {
+            Toast.makeText(context, context.getString(R.string.permissionDenied), Toast.LENGTH_LONG).show()
+            requestPermissions(activity, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), 42)
+        }
+    }
+
+    fun readPrefsFromXml(prefs: SharedPreferences, context: Context, activity: FragmentActivity) {
+        if (checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
+            val localPrefTypes = ArrayList<String>()
+            for (i in prefKeys.indices) {
+                localPrefTypes.add(prefTypes[i])
+            }
+            for (i in languageIndependentCourses.indices) {
+                localPrefTypes.add("string")
+            }
+            val dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS)
+            val file = File(dir, "avh_plan_data.xml")
+            val documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+            val document = documentBuilder.parse(file)
+
+            for (i in localPrefTypes.indices) {
+                val key = document.getElementsByTagName("key").item(i).textContent
+                val value = document.getElementsByTagName("value").item(i).textContent
+                Log.d("VALUES", "$key $value")
+                setPrefValue(prefs, key, value, localPrefTypes[i])
+            }
+            Toast.makeText(context, context.getString(R.string.success), Toast.LENGTH_LONG).show()
+        } else {
+            Toast.makeText(context, context.getString(R.string.permissionDenied), Toast.LENGTH_LONG).show()
+            requestPermissions(activity, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), 42)
+        }
+    }
 }

app/src/main/java/com/denizd/substitutionplan/fragments/PersonalPlanFragment.kt

@@ -3,7 +3,7 @@ package com.denizd.substitutionplan.fragments
 import android.os.Bundle
 import android.view.View
 import androidx.lifecycle.Observer
-import com.denizd.substitutionplan.data.MiscData
+import com.denizd.substitutionplan.data.HelperFunctions
 import com.denizd.substitutionplan.R
 import com.denizd.substitutionplan.models.Subst
 
@@ -28,7 +28,7 @@ internal class PersonalPlanFragment : PlanFragment() {
             recyclerView.visibility = View.VISIBLE
 
             substitutions.filter { substitution ->
-                MiscData.checkPersonalSubstitutions(
+                HelperFunctions.checkPersonalSubstitutions(
                     substitution,
                     coursePreference,
                     classPreference,

app/src/main/java/com/denizd/substitutionplan/fragments/SettingsFragment.kt

@@ -27,7 +27,7 @@ import androidx.recyclerview.widget.RecyclerView
 import com.denizd.substitutionplan.*
 import com.denizd.substitutionplan.adapters.ColourAdapter
 import com.denizd.substitutionplan.adapters.RingtoneAdapter
-import com.denizd.substitutionplan.data.MiscData
+import com.denizd.substitutionplan.data.HelperFunctions
 import com.denizd.substitutionplan.models.Colour
 import com.denizd.substitutionplan.models.Ringtone
 import com.google.android.material.bottomnavigation.BottomNavigationView
@@ -116,7 +116,7 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
             override fun afterTextChanged(s: Editable) {}
             override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {}
             override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
-                edit.putString("username", txtName.text.toString()).apply()
+                edit.putString("username", txtName.text.toString().trim()).apply()
             }
         })
 
@@ -255,9 +255,9 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
                 R.id.switchNotifications -> {
                     edit.putBoolean("notif", isChecked)
                     if (isChecked) {
-                        FirebaseMessaging.getInstance().subscribeToTopic("substitutions-android")
+                        subToTopic("android")
                     } else {
-                        FirebaseMessaging.getInstance().unsubscribeFromTopic("substitutions-android")
+                        unsubFromTopic("android")
                     }
                 }
                 R.id.switchDefaultPlan -> {
@@ -290,11 +290,11 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
         val titleText = dialogView.findViewById<TextView>(R.id.empty_textviewtitle)
         titleText.text = getString(R.string.customiseColoursTitle)
         colourRecycler = dialogView.findViewById(R.id.recyclerView)
-        colourRecycler.hasFixedSize()
+        colourRecycler.apply {
-
+            hasFixedSize()
-        colourRecycler.layoutManager = GridLayoutManager(mContext, 1)
+            layoutManager = GridLayoutManager(mContext, 1)
-        colourRecycler.adapter = ColourAdapter(getColourList(), this)
+            adapter = ColourAdapter(getColourList(), this@SettingsFragment)
-
+        }
         colourCustomiserBuilder.setView(dialogView)
         val colourCustomiserDialog = colourCustomiserBuilder.create()
         colourCustomiserDialog.show()
@@ -302,7 +302,7 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
 
     private fun getColourList(): ArrayList<Colour> {
         val colours = ArrayList<Colour>()
-        val coursesNoLang = MiscData.languageIndependentCourses
+        val coursesNoLang = HelperFunctions.languageIndependentCourses
         val courses = arrayOf(getString(R.string.courseDeu), getString(
             R.string.courseEng
         ), getString(R.string.courseFra), getString(R.string.courseSpa), getString(
@@ -335,7 +335,7 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
                     courses[i],
                     coursesNoLang[i],
                     coursesIcons[i],
-                    MiscData.getColourForString(prefs.getString("card${coursesNoLang[i]}", "") ?: "")
+                    HelperFunctions.getColourForString(prefs.getString("card${coursesNoLang[i]}", "") ?: "")
                 )
             )
         }
@@ -344,7 +344,7 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
 
     private fun createRingtoneDialog() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            MiscData.getNotificationChannel(mContext, prefs)
+            HelperFunctions.getNotificationChannel(mContext, prefs)
             val intent = Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS).apply {
                 putExtra(Settings.EXTRA_APP_PACKAGE, mContext.applicationContext.packageName)
                 putExtra(Settings.EXTRA_CHANNEL_ID, "general")
@@ -431,7 +431,7 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
             R.id.teal, R.id.cyan, R.id.blue, R.id.purple, R.id.pink, R.id.brown, R.id.grey,
             R.id.pureWhite, R.id.salmon, R.id.tangerine, R.id.banana, R.id.flora, R.id.spindrift,
             R.id.sky, R.id.orchid, R.id.lavender, R.id.carnation, R.id.brown2, R.id.pureBlack)
-        val colours = MiscData.colourNames
+        val colours = HelperFunctions.colourNames
 
         for (i2 in 0 until buttons.size) {
             picker.findViewById<MaterialButton>(buttons[i2]).setOnClickListener {
@@ -516,8 +516,10 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
                 }
                 "_DEVCHANNEL" -> {
                     val subbed = if (prefs.getBoolean("subscribedToFBDebugChannel", false)) {
+                        unsubFromTopic("debug")
                         "Unsubscribed from"
                     } else {
+                        subToTopic("debug")
                         "Subscribed to"
                     }
                     edit.putBoolean("subscribedToFBDebugChannel", !prefs.getBoolean("subscribedToFBDebugChannel", false)).apply()
@@ -525,13 +527,17 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
                 }
                 "_IOSCHANNEL" -> {
                     val subbed = if (prefs.getBoolean("subscribedToiOSChannel", false)) {
+                        unsubFromTopic("ios")
                         "Unsubscribed from"
                     } else {
+                        subToTopic("ios")
                         "Subscribed to"
                     }
                     edit.putBoolean("subscribedToiOSChannel", !prefs.getBoolean("subscribedToiOSChannel", false)).apply()
                     makeToast("$subbed iOS channel")
                 }
+                "_WRITE" -> HelperFunctions.writePrefsToXml(prefs, mContext, activity!!)
+                "_READ" -> HelperFunctions.readPrefsFromXml(prefs, mContext, activity!!)
                 else -> makeToast(getString(R.string.invalidCode))
             }
         }
@@ -554,4 +560,7 @@ internal class SettingsFragment : Fragment(R.layout.content_settings), View.OnCl
                 "\n\nSubscribed to notification channel: ${prefs.getBoolean("notif", false)}" +
                 "\n\nSubscribed to dev channel: ${prefs.getBoolean("subscribedToFBDebugChannel", false)}"
     }
+
+    private fun subToTopic(topic: String) = FirebaseMessaging.getInstance().subscribeToTopic("substitutions-$topic")
+    private fun unsubFromTopic(topic: String) = FirebaseMessaging.getInstance().unsubscribeFromTopic("substitutions-$topic")
 }

app/src/main/java/com/denizd/substitutionplan/models/Colour.kt

@@ -1,3 +1,3 @@
 package com.denizd.substitutionplan.models
 
-internal class Colour(val title: String, val titleNoLang: String, val icon: Int, val colour: Int)
+internal data class Colour(val title: String, val titleNoLang: String, val icon: Int, val colour: Int)

app/src/main/java/com/denizd/substitutionplan/models/Food.kt

@@ -4,4 +4,4 @@ import androidx.room.Entity
 import androidx.room.PrimaryKey
 
 @Entity(tableName = "food_table")
-internal class Food(val food: String, @PrimaryKey val priority: Int)
+internal data class Food(val food: String, @PrimaryKey val priority: Int)

app/src/main/java/com/denizd/substitutionplan/models/Ringtone.kt

@@ -1,3 +1,3 @@
 package com.denizd.substitutionplan.models
 
-internal class Ringtone(val name: String, val uri: String)
+internal data class Ringtone(val name: String, val uri: String)

app/src/main/java/com/denizd/substitutionplan/models/Subst.kt

@@ -4,7 +4,7 @@ import androidx.room.Entity
 import androidx.room.PrimaryKey
 
 @Entity(tableName = "subst_table")
-internal class Subst(val group: String, val date: String, val time: String, val course: String, val room: String, val additional: String, val priority: Int) {
+internal data class Subst(val group: String, val date: String, val time: String, val course: String, val room: String, val additional: String, val priority: Int) {
 
     @PrimaryKey(autoGenerate = true)
     var id: Int = 0

app/src/main/res/layout/activity_first_time.xml

@@ -160,9 +160,9 @@
                 android:id="@+id/txtSenior"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:layout_marginTop="16dp"
                 android:text="@string/seniorCourses"
                 android:gravity="start"
+                android:layout_marginTop="16dp"
                 android:textColor="@color/colorText"
                 app:layout_constraintEnd_toEndOf="@+id/txtLayoutClasses"
                 app:layout_constraintStart_toStartOf="@+id/txtLayoutClasses"
@@ -274,6 +274,33 @@
                 app:layout_constraintStart_toStartOf="@+id/txtLayoutClasses"
                 app:layout_constraintTop_toBottomOf="@+id/cbNotif" />
 
+<!--            <TextView-->
+<!--                android:id="@+id/txtOr"-->
+<!--                android:layout_width="0dp"-->
+<!--                android:layout_height="wrap_content"-->
+<!--                android:text="@string/or"-->
+<!--                app:layout_constraintTop_toBottomOf="@+id/cbPersonalised"-->
+<!--                app:layout_constraintEnd_toEndOf="@+id/txtLayoutClasses"-->
+<!--                app:layout_constraintStart_toStartOf="@+id/txtLayoutClasses"-->
+<!--                android:gravity="start"-->
+<!--                android:layout_marginTop="16dp"-->
+<!--                android:textColor="@color/colorText"/>-->
+
+<!--            <com.google.android.material.button.MaterialButton style="@style/Widget.MaterialComponents.Button.OutlinedButton"-->
+<!--                android:id="@+id/btnRestoreFromFile"-->
+<!--                android:layout_width="0dp"-->
+<!--                android:layout_height="wrap_content"-->
+<!--                app:strokeColor="@color/colorAccent"-->
+<!--                app:strokeWidth="2dp"-->
+<!--                android:textColor="@color/colorAccent"-->
+<!--                android:text="@string/restoreFromFile"-->
+<!--                android:layout_marginBottom="64dp"-->
+<!--                android:layout_marginTop="8dp"-->
+<!--                app:layout_constraintBottom_toBottomOf="parent"-->
+<!--                app:layout_constraintTop_toBottomOf="@+id/txtOr"-->
+<!--                app:layout_constraintEnd_toEndOf="@+id/txtLayoutClasses"-->
+<!--                app:layout_constraintStart_toStartOf="@+id/txtLayoutClasses"/>-->
+
         </androidx.constraintlayout.widget.ConstraintLayout>
 
     </androidx.core.widget.NestedScrollView>

app/src/main/res/values-de/strings.xml

@@ -134,4 +134,8 @@
     <string name="noRingtonesFound">Keine Klingeltöne gefunden</string>
     <string name="deviceSettingsRedirect">Öffnet Geräteinstellungen</string>
     <string name="defaultRingtone">Standard</string>
+    <string name="permissionDenied">Bitte erlaube Speicherzugriff</string>
+    <string name="success">Erfolg</string>
+    <string name="restoreFromFile">von Datei wiederherstellen</string>
+    <string name="or">du kannst auch…</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -148,4 +148,8 @@
     <string name="noRingtonesFound">No ringtones found</string>
     <string name="deviceSettingsRedirect">Redirects to device settings</string>
     <string name="defaultRingtone">Default</string>
+    <string name="permissionDenied">Please enable storage permissions</string>
+    <string name="success">Success</string>
+    <string name="restoreFromFile">Restore from file</string>
+    <string name="or">you may also…</string>
 </resources>