Convert delete download dialog to confirmation dialog

app/src/main/java/com/github/libretube/services/DownloadService.kt

@@ -8,9 +8,9 @@ import android.os.Binder
 import android.os.IBinder
 import android.util.SparseBooleanArray
 import androidx.core.app.NotificationCompat
+import androidx.core.app.ServiceCompat
 import androidx.core.util.set
 import androidx.core.util.valueIterator
-import androidx.core.app.ServiceCompat
 import com.github.libretube.R
 import com.github.libretube.api.CronetHelper
 import com.github.libretube.api.RetrofitInstance

app/src/main/java/com/github/libretube/ui/adapters/DownloadsAdapter.kt

@@ -91,13 +91,9 @@ class DownloadsAdapter(
 
             root.setOnLongClickListener {
                 MaterialAlertDialogBuilder(root.context)
-                    .setItems(
+                    .setTitle(R.string.delete)
-                        arrayOf(
+                    .setMessage(R.string.irreversible)
-                            root.context.getString(R.string.delete)
+                    .setPositiveButton(R.string.okay) { _, _ ->
-                        )
-                    ) { _, index ->
-                        when (index) {
-                            0 -> {
                         items.map { File(it.path) }.forEach { file ->
                             if (file.exists()) {
                                 try {
@@ -113,8 +109,6 @@ class DownloadsAdapter(
                         notifyItemRemoved(position)
                         notifyItemRangeChanged(position, itemCount)
                     }
-                        }
-                    }
                     .setNegativeButton(R.string.cancel, null)
                     .show()
                 true

app/src/main/java/com/github/libretube/ui/fragments/DownloadsFragment.kt

@@ -9,7 +9,6 @@ import android.os.IBinder
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.core.view.size
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
@@ -109,7 +108,7 @@ class DownloadsFragment : BaseFragment() {
         binding.downloads.adapter?.registerAdapterDataObserver(
             object : RecyclerView.AdapterDataObserver() {
                 override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) {
-                    if (binding.downloads.size == 0) {
+                    if (itemCount == 0) {
                         binding.downloads.visibility = View.GONE
                         binding.downloadsEmpty.visibility = View.VISIBLE
                     }

app/src/main/java/com/github/libretube/ui/fragments/SearchResultFragment.kt

@@ -19,9 +19,9 @@ import com.github.libretube.extensions.hideKeyboard
 import com.github.libretube.helpers.PreferenceHelper
 import com.github.libretube.ui.adapters.SearchAdapter
 import com.github.libretube.ui.base.BaseFragment
+import java.io.IOException
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import java.io.IOException
 import retrofit2.HttpException
 
 class SearchResultFragment : BaseFragment() {

app/src/main/java/com/github/libretube/ui/preferences/BackupRestoreSettings.kt

@@ -11,10 +11,10 @@ import com.github.libretube.helpers.ImportHelper
 import com.github.libretube.obj.BackupFile
 import com.github.libretube.ui.base.BasePreferenceFragment
 import com.github.libretube.ui.dialogs.BackupDialog
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 class BackupRestoreSettings : BasePreferenceFragment() {
     private val backupDateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd-HH:mm:ss")