Add support for recycle bin

This uses system recycle bin whenever possible, which will automatically
delete files after 30 days. When not available, moves files to hidden `.trash`
subdirectory and manually removes them after 30 days.

app/build.gradle

@@ -63,7 +63,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.github.SimpleMobileTools:Simple-Commons:42733f39a4'
+    implementation 'com.github.SimpleMobileTools:Simple-Commons:f76d729b9d'
     implementation 'org.greenrobot:eventbus:3.3.1'
     implementation 'com.github.Armen101:AudioRecordView:1.0.4'
     implementation 'androidx.documentfile:documentfile:1.0.1'

app/src/main/kotlin/com/simplemobiletools/voicerecorder/activities/MainActivity.kt

@@ -12,6 +12,7 @@ import com.simplemobiletools.commons.models.FAQItem
 import com.simplemobiletools.voicerecorder.BuildConfig
 import com.simplemobiletools.voicerecorder.R
 import com.simplemobiletools.voicerecorder.adapters.ViewPagerAdapter
+import com.simplemobiletools.voicerecorder.extensions.checkRecycleBinItems
 import com.simplemobiletools.voicerecorder.extensions.config
 import com.simplemobiletools.voicerecorder.helpers.STOP_AMPLITUDE_UPDATE
 import com.simplemobiletools.voicerecorder.models.Events
@@ -40,6 +41,10 @@ class MainActivity : SimpleActivity() {
             return
         }
 
+        if (savedInstanceState == null) {
+            checkRecycleBinItems()
+        }
+
         handlePermission(PERMISSION_RECORD_AUDIO) {
             if (it) {
                 tryInitVoiceRecorder()
@@ -65,6 +70,9 @@ class MainActivity : SimpleActivity() {
         super.onResume()
         setupTabColors()
         updateMenuColors()
+        if (getPagerAdapter()?.showRecycleBin != config.useRecycleBin) {
+            setupViewPager()
+        }
         getPagerAdapter()?.onResume()
     }
 
@@ -149,8 +157,12 @@ class MainActivity : SimpleActivity() {
 
     private fun setupViewPager() {
         main_tabs_holder.removeAllTabs()
-        val tabDrawables = arrayOf(R.drawable.ic_microphone_vector, R.drawable.ic_headset_vector)
-        val tabLabels = arrayOf(R.string.recorder, R.string.player)
+        var tabDrawables = arrayOf(R.drawable.ic_microphone_vector, R.drawable.ic_headset_vector)
+        var tabLabels = arrayOf(R.string.recorder, R.string.player)
+        if (config.useRecycleBin) {
+            tabDrawables += R.drawable.ic_delete_vector
+            tabLabels += R.string.recycle_bin
+        }
 
         tabDrawables.forEachIndexed { i, drawableId ->
             main_tabs_holder.newTab().setCustomView(R.layout.bottom_tablayout_item).apply {
@@ -174,7 +186,7 @@ class MainActivity : SimpleActivity() {
             }
         )
 
-        view_pager.adapter = ViewPagerAdapter(this)
+        view_pager.adapter = ViewPagerAdapter(this, config.useRecycleBin)
         view_pager.onPageChangeListener {
             main_tabs_holder.getTabAt(it)?.select()
             (view_pager.adapter as ViewPagerAdapter).finishActMode()

app/src/main/kotlin/com/simplemobiletools/voicerecorder/activities/SettingsActivity.kt

@@ -3,24 +3,26 @@ package com.simplemobiletools.voicerecorder.activities
 import android.content.Intent
 import android.media.MediaRecorder
 import android.os.Bundle
-import com.simplemobiletools.commons.dialogs.ChangeDateTimeFormatDialog
-import com.simplemobiletools.commons.dialogs.FeatureLockedDialog
-import com.simplemobiletools.commons.dialogs.FilePickerDialog
-import com.simplemobiletools.commons.dialogs.RadioGroupDialog
+import com.simplemobiletools.commons.dialogs.*
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.RadioItem
 import com.simplemobiletools.voicerecorder.R
 import com.simplemobiletools.voicerecorder.extensions.config
+import com.simplemobiletools.voicerecorder.extensions.emptyTheRecycleBin
+import com.simplemobiletools.voicerecorder.extensions.getAllRecordings
 import com.simplemobiletools.voicerecorder.helpers.BITRATES
 import com.simplemobiletools.voicerecorder.helpers.EXTENSION_M4A
 import com.simplemobiletools.voicerecorder.helpers.EXTENSION_MP3
 import com.simplemobiletools.voicerecorder.helpers.EXTENSION_OGG
+import com.simplemobiletools.voicerecorder.models.Events
 import kotlinx.android.synthetic.main.activity_settings.*
-import java.util.*
+import org.greenrobot.eventbus.EventBus
+import java.util.Locale
 import kotlin.system.exitProcess
 
 class SettingsActivity : SimpleActivity() {
+    private var recycleBinContentSize = 0
 
     override fun onCreate(savedInstanceState: Bundle?) {
         isMaterialActivity = true
@@ -47,9 +49,11 @@ class SettingsActivity : SimpleActivity() {
         setupBitrate()
         setupAudioSource()
         setupRecordAfterLaunch()
+        setupUseRecycleBin()
+        setupEmptyRecycleBin()
         updateTextColors(settings_nested_scrollview)
 
-        arrayOf(settings_color_customization_section_label, settings_general_settings_label).forEach {
+        arrayOf(settings_color_customization_section_label, settings_general_settings_label, settings_recycle_bin_label).forEach {
             it.setTextColor(getProperPrimaryColor())
         }
     }
@@ -178,6 +182,48 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupUseRecycleBin() {
+        updateRecycleBinButtons()
+        settings_use_recycle_bin.isChecked = config.useRecycleBin
+        settings_use_recycle_bin_holder.setOnClickListener {
+            settings_use_recycle_bin.toggle()
+            config.useRecycleBin = settings_use_recycle_bin.isChecked
+            updateRecycleBinButtons()
+        }
+    }
+
+    private fun updateRecycleBinButtons() {
+        settings_empty_recycle_bin_holder.beVisibleIf(config.useRecycleBin)
+    }
+
+    private fun setupEmptyRecycleBin() {
+        ensureBackgroundThread {
+            try {
+                recycleBinContentSize = getAllRecordings(trashed = true).sumByInt {
+                    it.size
+                }
+            } catch (ignored: Exception) {
+            }
+
+            runOnUiThread {
+                settings_empty_recycle_bin_size.text = recycleBinContentSize.formatSize()
+            }
+        }
+
+        settings_empty_recycle_bin_holder.setOnClickListener {
+            if (recycleBinContentSize == 0) {
+                toast(R.string.recycle_bin_empty)
+            } else {
+                ConfirmationDialog(this, "", R.string.empty_recycle_bin_confirmation, R.string.yes, R.string.no) {
+                    emptyTheRecycleBin()
+                    recycleBinContentSize = 0
+                    settings_empty_recycle_bin_size.text = 0.formatSize()
+                    EventBus.getDefault().post(Events.RecordingTrashUpdated())
+                }
+            }
+        }
+    }
+
     private fun setupAudioSource() {
         settings_audio_source.text = config.getAudioSourceText(config.audioSource)
         settings_audio_source_holder.setOnClickListener {

app/src/main/kotlin/com/simplemobiletools/voicerecorder/adapters/RecordingsAdapter.kt

@@ -1,28 +1,28 @@
 package com.simplemobiletools.voicerecorder.adapters
 
-import android.provider.MediaStore
-import android.provider.MediaStore.Audio.Media
 import android.view.*
 import android.widget.PopupMenu
 import android.widget.TextView
-import androidx.core.net.toUri
 import com.qtalk.recyclerviewfastscroller.RecyclerViewFastScroller
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
-import com.simplemobiletools.commons.dialogs.ConfirmationDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 import com.simplemobiletools.commons.helpers.isQPlus
-import com.simplemobiletools.commons.helpers.isRPlus
 import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.voicerecorder.BuildConfig
 import com.simplemobiletools.voicerecorder.R
 import com.simplemobiletools.voicerecorder.activities.SimpleActivity
+import com.simplemobiletools.voicerecorder.dialogs.DeleteConfirmationDialog
 import com.simplemobiletools.voicerecorder.dialogs.RenameRecordingDialog
+import com.simplemobiletools.voicerecorder.extensions.config
+import com.simplemobiletools.voicerecorder.extensions.deleteRecordings
+import com.simplemobiletools.voicerecorder.extensions.moveRecordingsToRecycleBin
 import com.simplemobiletools.voicerecorder.helpers.getAudioFileContentUri
 import com.simplemobiletools.voicerecorder.interfaces.RefreshRecordingsListener
+import com.simplemobiletools.voicerecorder.models.Events
 import com.simplemobiletools.voicerecorder.models.Recording
 import kotlinx.android.synthetic.main.item_recording.view.*
-import java.io.File
+import org.greenrobot.eventbus.EventBus
 
 class RecordingsAdapter(
     activity: SimpleActivity,
@@ -135,12 +135,21 @@ class RecordingsAdapter(
             resources.getQuantityString(R.plurals.delete_recordings, itemsCnt, itemsCnt)
         }
 
-        val baseString = R.string.delete_recordings_confirmation
+        val baseString = if (activity.config.useRecycleBin) {
+            R.string.move_to_recycle_bin_confirmation
+        } else {
+            R.string.delete_recordings_confirmation
+        }
         val question = String.format(resources.getString(baseString), items)
 
-        ConfirmationDialog(activity, question) {
+        DeleteConfirmationDialog(activity, question, activity.config.useRecycleBin) { skipRecycleBin ->
             ensureBackgroundThread {
-                deleteMediaStoreRecordings()
+                val toRecycleBin = !skipRecycleBin && activity.config.useRecycleBin
+                if (toRecycleBin) {
+                    moveMediaStoreRecordingsToRecycleBin()
+                } else {
+                    deleteMediaStoreRecordings()
+                }
             }
         }
     }
@@ -154,38 +163,26 @@ class RecordingsAdapter(
         val recordingsToRemove = recordings.filter { selectedKeys.contains(it.id) } as ArrayList<Recording>
         val positions = getSelectedItemPositions()
 
-        when {
-            isRPlus() -> {
-                val fileUris = recordingsToRemove.map { recording ->
-                    "${Media.EXTERNAL_CONTENT_URI}/${recording.id.toLong()}".toUri()
-                }
-
-                activity.deleteSDK30Uris(fileUris) { success ->
-                    if (success) {
-                        doDeleteAnimation(oldRecordingIndex, recordingsToRemove, positions)
-                    }
-                }
-            }
-            isQPlus() -> {
-                recordingsToRemove.forEach {
-                    val uri = Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
-                    val selection = "${Media._ID} = ?"
-                    val selectionArgs = arrayOf(it.id.toString())
-                    val result = activity.contentResolver.delete(uri, selection, selectionArgs)
-
-                    if (result == 0) {
-                        recordingsToRemove.forEach {
-                            activity.deleteFile(File(it.path).toFileDirItem(activity))
-                        }
-                    }
-                }
+        activity.deleteRecordings(recordingsToRemove) { success ->
+            if (success) {
                 doDeleteAnimation(oldRecordingIndex, recordingsToRemove, positions)
             }
-            else -> {
-                recordingsToRemove.forEach {
-                    activity.deleteFile(File(it.path).toFileDirItem(activity))
-                }
+        }
+    }
+
+    private fun moveMediaStoreRecordingsToRecycleBin() {
+        if (selectedKeys.isEmpty()) {
+            return
+        }
+
+        val oldRecordingIndex = recordings.indexOfFirst { it.id == currRecordingId }
+        val recordingsToRemove = recordings.filter { selectedKeys.contains(it.id) } as ArrayList<Recording>
+        val positions = getSelectedItemPositions()
+
+        activity.moveRecordingsToRecycleBin(recordingsToRemove) { success ->
+            if (success) {
                 doDeleteAnimation(oldRecordingIndex, recordingsToRemove, positions)
+                EventBus.getDefault().post(Events.RecordingTrashUpdated())
             }
         }
     }
@@ -269,16 +266,19 @@ class RecordingsAdapter(
                             renameRecording()
                         }
                     }
+
                     R.id.cab_share -> {
                         executeItemMenuOperation(recordingId) {
                             shareRecordings()
                         }
                     }
+
                     R.id.cab_open_with -> {
                         executeItemMenuOperation(recordingId) {
                             openRecordingWith()
                         }
                     }
+
                     R.id.cab_delete -> {
                         executeItemMenuOperation(recordingId, removeAfterCallback = false) {
                             askConfirmDelete()

app/src/main/kotlin/com/simplemobiletools/voicerecorder/adapters/TrashAdapter.kt

@@ -0,0 +1,219 @@
+package com.simplemobiletools.voicerecorder.adapters
+
+import android.view.*
+import android.widget.PopupMenu
+import android.widget.TextView
+import com.qtalk.recyclerviewfastscroller.RecyclerViewFastScroller
+import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
+import com.simplemobiletools.commons.dialogs.ConfirmationDialog
+import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.commons.helpers.ensureBackgroundThread
+import com.simplemobiletools.commons.views.MyRecyclerView
+import com.simplemobiletools.voicerecorder.R
+import com.simplemobiletools.voicerecorder.activities.SimpleActivity
+import com.simplemobiletools.voicerecorder.extensions.deleteRecordings
+import com.simplemobiletools.voicerecorder.extensions.restoreRecordings
+import com.simplemobiletools.voicerecorder.interfaces.RefreshRecordingsListener
+import com.simplemobiletools.voicerecorder.models.Events
+import com.simplemobiletools.voicerecorder.models.Recording
+import kotlinx.android.synthetic.main.item_recording.view.*
+import org.greenrobot.eventbus.EventBus
+
+class TrashAdapter(
+    activity: SimpleActivity,
+    var recordings: ArrayList<Recording>,
+    val refreshListener: RefreshRecordingsListener,
+    recyclerView: MyRecyclerView
+) :
+    MyRecyclerViewAdapter(activity, recyclerView, {}), RecyclerViewFastScroller.OnPopupTextUpdate {
+
+    init {
+        setupDragListener(true)
+    }
+
+    override fun getActionMenuId() = R.menu.cab_trash
+
+    override fun prepareActionMode(menu: Menu) {}
+
+    override fun actionItemPressed(id: Int) {
+        if (selectedKeys.isEmpty()) {
+            return
+        }
+
+        when (id) {
+            R.id.cab_restore -> restoreRecordings()
+            R.id.cab_delete -> askConfirmDelete()
+            R.id.cab_select_all -> selectAll()
+        }
+    }
+
+    override fun getSelectableItemCount() = recordings.size
+
+    override fun getIsItemSelectable(position: Int) = true
+
+    override fun getItemSelectionKey(position: Int) = recordings.getOrNull(position)?.id
+
+    override fun getItemKeyPosition(key: Int) = recordings.indexOfFirst { it.id == key }
+
+    override fun onActionModeCreated() {}
+
+    override fun onActionModeDestroyed() {}
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = createViewHolder(R.layout.item_recording, parent)
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val recording = recordings[position]
+        holder.bindView(recording, true, true) { itemView, layoutPosition ->
+            setupView(itemView, recording)
+        }
+        bindViewHolder(holder)
+    }
+
+    override fun getItemCount() = recordings.size
+
+    private fun getItemWithKey(key: Int): Recording? = recordings.firstOrNull { it.id == key }
+
+    fun updateItems(newItems: ArrayList<Recording>) {
+        if (newItems.hashCode() != recordings.hashCode()) {
+            recordings = newItems
+            notifyDataSetChanged()
+            finishActMode()
+        }
+    }
+
+    private fun restoreRecordings() {
+        if (selectedKeys.isEmpty()) {
+            return
+        }
+
+        val recordingsToRestore = recordings.filter { selectedKeys.contains(it.id) } as ArrayList<Recording>
+        val positions = getSelectedItemPositions()
+
+        activity.restoreRecordings(recordingsToRestore) { success ->
+            if (success) {
+                doDeleteAnimation(recordingsToRestore, positions)
+                EventBus.getDefault().post(Events.RecordingTrashUpdated())
+            }
+        }
+    }
+
+    private fun askConfirmDelete() {
+        val itemsCnt = selectedKeys.size
+        val firstItem = getSelectedItems().firstOrNull() ?: return
+        val items = if (itemsCnt == 1) {
+            "\"${firstItem.title}\""
+        } else {
+            resources.getQuantityString(R.plurals.delete_recordings, itemsCnt, itemsCnt)
+        }
+
+        val baseString = R.string.delete_recordings_confirmation
+        val question = String.format(resources.getString(baseString), items)
+
+        ConfirmationDialog(activity, question) {
+            ensureBackgroundThread {
+                deleteMediaStoreRecordings()
+            }
+        }
+    }
+
+    private fun deleteMediaStoreRecordings() {
+        if (selectedKeys.isEmpty()) {
+            return
+        }
+
+        val recordingsToRemove = recordings.filter { selectedKeys.contains(it.id) } as ArrayList<Recording>
+        val positions = getSelectedItemPositions()
+
+        activity.deleteRecordings(recordingsToRemove) { success ->
+            if (success) {
+                doDeleteAnimation(recordingsToRemove, positions)
+            }
+        }
+    }
+
+    private fun doDeleteAnimation(recordingsToRemove: ArrayList<Recording>, positions: ArrayList<Int>) {
+        recordings.removeAll(recordingsToRemove.toSet())
+        activity.runOnUiThread {
+            if (recordings.isEmpty()) {
+                refreshListener.refreshRecordings()
+                finishActMode()
+            } else {
+                positions.sortDescending()
+                removeSelectedItems(positions)
+            }
+        }
+    }
+
+    private fun getSelectedItems() = recordings.filter { selectedKeys.contains(it.id) } as ArrayList<Recording>
+
+    private fun setupView(view: View, recording: Recording) {
+        view.apply {
+            setupViewBackground(activity)
+            recording_frame?.isSelected = selectedKeys.contains(recording.id)
+
+            arrayListOf<TextView>(recording_title, recording_date, recording_duration, recording_size).forEach {
+                it.setTextColor(textColor)
+            }
+
+            recording_title.text = recording.title
+            recording_date.text = recording.timestamp.formatDate(context)
+            recording_duration.text = recording.duration.getFormattedDuration()
+            recording_size.text = recording.size.formatSize()
+
+            overflow_menu_icon.drawable.apply {
+                mutate()
+                setTint(activity.getProperTextColor())
+            }
+
+            overflow_menu_icon.setOnClickListener {
+                showPopupMenu(overflow_menu_anchor, recording)
+            }
+        }
+    }
+
+    override fun onChange(position: Int) = recordings.getOrNull(position)?.title ?: ""
+
+    private fun showPopupMenu(view: View, recording: Recording) {
+        if (selectedKeys.isNotEmpty()) {
+            selectedKeys.clear()
+            notifyDataSetChanged()
+        }
+
+        finishActMode()
+        val theme = activity.getPopupMenuTheme()
+        val contextTheme = ContextThemeWrapper(activity, theme)
+
+        PopupMenu(contextTheme, view, Gravity.END).apply {
+            inflate(getActionMenuId())
+            menu.findItem(R.id.cab_select_all).isVisible = false
+            menu.findItem(R.id.cab_restore).title = resources.getString(R.string.restore_this_file)
+            setOnMenuItemClickListener { item ->
+                val recordingId = recording.id
+                when (item.itemId) {
+                    R.id.cab_restore -> {
+                        executeItemMenuOperation(recordingId, removeAfterCallback = false) {
+                            restoreRecordings()
+                        }
+                    }
+
+                    R.id.cab_delete -> {
+                        executeItemMenuOperation(recordingId, removeAfterCallback = false) {
+                            askConfirmDelete()
+                        }
+                    }
+                }
+
+                true
+            }
+            show()
+        }
+    }
+
+    private fun executeItemMenuOperation(callId: Int, removeAfterCallback: Boolean = true, callback: () -> Unit) {
+        selectedKeys.add(callId)
+        callback()
+        if (removeAfterCallback) {
+            selectedKeys.remove(callId)
+        }
+    }
+}

app/src/main/kotlin/com/simplemobiletools/voicerecorder/adapters/ViewPagerAdapter.kt

@@ -8,12 +8,18 @@ import com.simplemobiletools.voicerecorder.R
 import com.simplemobiletools.voicerecorder.activities.SimpleActivity
 import com.simplemobiletools.voicerecorder.fragments.MyViewPagerFragment
 import com.simplemobiletools.voicerecorder.fragments.PlayerFragment
+import com.simplemobiletools.voicerecorder.fragments.TrashFragment
 
-class ViewPagerAdapter(private val activity: SimpleActivity) : PagerAdapter() {
+class ViewPagerAdapter(private val activity: SimpleActivity, val showRecycleBin: Boolean) : PagerAdapter() {
     private val mFragments = SparseArray<MyViewPagerFragment>()
 
     override fun instantiateItem(container: ViewGroup, position: Int): Any {
-        val layout = if (position == 0) R.layout.fragment_recorder else R.layout.fragment_player
+        val layout = when (position) {
+            0 -> R.layout.fragment_recorder
+            1 -> R.layout.fragment_player
+            2 -> R.layout.fragment_trash
+            else -> throw IllegalArgumentException("Invalid position. Count = $count, requested position = $position")
+        }
         val view = activity.layoutInflater.inflate(layout, container, false)
         container.addView(view)
 
@@ -26,7 +32,11 @@ class ViewPagerAdapter(private val activity: SimpleActivity) : PagerAdapter() {
         container.removeView(item as View)
     }
 
-    override fun getCount() = 2
+    override fun getCount() = if (showRecycleBin) {
+        3
+    } else {
+        2
+    }
 
     override fun isViewFromObject(view: View, item: Any) = view == item
 
@@ -42,9 +52,17 @@ class ViewPagerAdapter(private val activity: SimpleActivity) : PagerAdapter() {
         }
     }
 
-    fun finishActMode() = (mFragments[1] as? PlayerFragment)?.finishActMode()
+    fun finishActMode() {
+      (mFragments[1] as? PlayerFragment)?.finishActMode()
+        if (showRecycleBin) {
+            (mFragments[2] as? TrashFragment)?.finishActMode()
+        }
+    }
 
     fun searchTextChanged(text: String) {
         (mFragments[1] as? PlayerFragment)?.onSearchTextChanged(text)
+        if (showRecycleBin) {
+            (mFragments[2] as? TrashFragment)?.onSearchTextChanged(text)
+        }
     }
 }

app/src/main/kotlin/com/simplemobiletools/voicerecorder/dialogs/DeleteConfirmationDialog.kt

@@ -0,0 +1,39 @@
+package com.simplemobiletools.voicerecorder.dialogs
+
+import android.app.Activity
+import androidx.appcompat.app.AlertDialog
+import com.simplemobiletools.commons.extensions.beGoneIf
+import com.simplemobiletools.commons.extensions.getAlertDialogBuilder
+import com.simplemobiletools.commons.extensions.setupDialogStuff
+import com.simplemobiletools.voicerecorder.R
+import kotlinx.android.synthetic.main.dialog_delete_confirmation.view.delete_remember_title
+import kotlinx.android.synthetic.main.dialog_delete_confirmation.view.skip_the_recycle_bin_checkbox
+
+class DeleteConfirmationDialog(
+    private val activity: Activity,
+    private val message: String,
+    private val showSkipRecycleBinOption: Boolean,
+    private val callback: (skipRecycleBin: Boolean) -> Unit
+) {
+
+    private var dialog: AlertDialog? = null
+    val view = activity.layoutInflater.inflate(R.layout.dialog_delete_confirmation, null)!!
+
+    init {
+        view.delete_remember_title.text = message
+        view.skip_the_recycle_bin_checkbox.beGoneIf(!showSkipRecycleBinOption)
+        activity.getAlertDialogBuilder()
+            .setPositiveButton(R.string.yes) { _, _ -> dialogConfirmed() }
+            .setNegativeButton(R.string.no, null)
+            .apply {
+                activity.setupDialogStuff(view, this) { alertDialog ->
+                    dialog = alertDialog
+                }
+            }
+    }
+
+    private fun dialogConfirmed() {
+        dialog?.dismiss()
+        callback(view.skip_the_recycle_bin_checkbox.isChecked)
+    }
+}

app/src/main/kotlin/com/simplemobiletools/voicerecorder/extensions/Activity.kt

@@ -0,0 +1,173 @@
+package com.simplemobiletools.voicerecorder.extensions
+
+import android.content.ContentValues
+import android.provider.MediaStore
+import android.provider.MediaStore.Audio.Media
+import androidx.core.net.toUri
+import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.extensions.deleteFile
+import com.simplemobiletools.commons.extensions.getParentPath
+import com.simplemobiletools.commons.extensions.toFileDirItem
+import com.simplemobiletools.commons.helpers.*
+import com.simplemobiletools.commons.models.FileDirItem
+import com.simplemobiletools.voicerecorder.models.Recording
+import java.io.File
+
+fun BaseSimpleActivity.deleteRecordings(recordingsToRemove: Collection<Recording>, callback: (Boolean) -> Unit) {
+    when {
+        isRPlus() -> {
+            val fileUris = recordingsToRemove.map { recording ->
+                "${Media.EXTERNAL_CONTENT_URI}/${recording.id.toLong()}".toUri()
+            }
+
+            deleteSDK30Uris(fileUris, callback)
+        }
+
+        isQPlus() -> {
+            recordingsToRemove.forEach {
+                val uri = Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
+                val selection = "${Media._ID} = ?"
+                val selectionArgs = arrayOf(it.id.toString())
+                val result = contentResolver.delete(uri, selection, selectionArgs)
+
+                if (result == 0) {
+                    deleteFile(File(it.path).toFileDirItem(this))
+                }
+            }
+            callback(true)
+        }
+
+        else -> {
+            recordingsToRemove.forEach {
+                deleteFile(File(it.path).toFileDirItem(this))
+            }
+            callback(true)
+        }
+    }
+}
+
+fun BaseSimpleActivity.restoreRecordings(recordingsToRestore: Collection<Recording>, callback: (Boolean) -> Unit) {
+    when {
+        isRPlus() -> {
+            val fileUris = recordingsToRestore.map { recording ->
+                "${Media.EXTERNAL_CONTENT_URI}/${recording.id.toLong()}".toUri()
+            }
+
+            trashSDK30Uris(fileUris, false, callback)
+        }
+
+        isQPlus() -> {
+            var wait = false
+            recordingsToRestore.forEach {
+                val uri = Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
+                val selection = "${Media._ID} = ?"
+                val selectionArgs = arrayOf(it.id.toString())
+                val values = ContentValues().apply {
+                    put(Media.IS_TRASHED, 0)
+                }
+                val result = contentResolver.update(uri, values, selection, selectionArgs)
+
+                if (result == 0) {
+                    wait = true
+                    copyMoveFilesTo(
+                        fileDirItems = arrayListOf(File(it.path).toFileDirItem(this)),
+                        source = it.path.getParentPath(),
+                        destination = config.saveRecordingsFolder,
+                        isCopyOperation = false,
+                        copyPhotoVideoOnly = false,
+                        copyHidden = false
+                    ) {
+                        callback(true)
+                    }
+                }
+            }
+            if (!wait) {
+                callback(true)
+            }
+        }
+
+        else -> {
+            copyMoveFilesTo(
+                fileDirItems = recordingsToRestore.map { File(it.path).toFileDirItem(this) }.toMutableList() as ArrayList<FileDirItem>,
+                source = recordingsToRestore.first().path.getParentPath(),
+                destination = config.saveRecordingsFolder,
+                isCopyOperation = false,
+                copyPhotoVideoOnly = false,
+                copyHidden = false
+            ) {
+                callback(true)
+            }
+        }
+    }
+}
+
+fun BaseSimpleActivity.moveRecordingsToRecycleBin(recordingsToMove: Collection<Recording>, callback: (Boolean) -> Unit) {
+    when {
+        isRPlus() -> {
+            val fileUris = recordingsToMove.map { recording ->
+                "${Media.EXTERNAL_CONTENT_URI}/${recording.id.toLong()}".toUri()
+            }
+
+            trashSDK30Uris(fileUris, true, callback)
+        }
+
+        isQPlus() -> {
+            var wait = false
+            recordingsToMove.forEach {
+                val uri = Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
+                val selection = "${Media._ID} = ?"
+                val selectionArgs = arrayOf(it.id.toString())
+                val values = ContentValues().apply {
+                    put(Media.IS_TRASHED, 1)
+                }
+                val result = contentResolver.update(uri, values, selection, selectionArgs)
+
+                if (result == 0) {
+                    wait = true
+                    copyMoveFilesTo(
+                        fileDirItems = arrayListOf(File(it.path).toFileDirItem(this)),
+                        source = it.path.getParentPath(),
+                        destination = getOrCreateTrashFolder(),
+                        isCopyOperation = false,
+                        copyPhotoVideoOnly = false,
+                        copyHidden = false
+                    ) {
+                        callback(true)
+                    }
+                }
+            }
+            if (!wait) {
+                callback(true)
+            }
+        }
+
+        else -> {
+            copyMoveFilesTo(
+                fileDirItems = recordingsToMove.map { File(it.path).toFileDirItem(this) }.toMutableList() as ArrayList<FileDirItem>,
+                source = recordingsToMove.first().path.getParentPath(),
+                destination = getOrCreateTrashFolder(),
+                isCopyOperation = false,
+                copyPhotoVideoOnly = false,
+                copyHidden = false
+            ) {
+                callback(true)
+            }
+        }
+    }
+}
+
+fun BaseSimpleActivity.checkRecycleBinItems() {
+    if (config.useRecycleBin && config.lastRecycleBinCheck < System.currentTimeMillis() - DAY_SECONDS * 1000) {
+        config.lastRecycleBinCheck = System.currentTimeMillis()
+        ensureBackgroundThread {
+            try {
+                deleteRecordings(getLegacyRecordings(trashed = true).filter { it.timestamp < System.currentTimeMillis() - MONTH_SECONDS * 1000L }) {}
+            } catch (e: Exception) {
+            }
+        }
+    }
+}
+
+fun BaseSimpleActivity.emptyTheRecycleBin() {
+    deleteRecordings(getAllRecordings(trashed = true)) {}
+}

app/src/main/kotlin/com/simplemobiletools/voicerecorder/extensions/Context.kt

@@ -1,5 +1,6 @@
 package com.simplemobiletools.voicerecorder.extensions
 
+import android.annotation.SuppressLint
 import android.appwidget.AppWidgetManager
 import android.content.ComponentName
 import android.content.Context
@@ -7,14 +8,18 @@ import android.content.Intent
 import android.graphics.Bitmap
 import android.graphics.Canvas
 import android.graphics.drawable.Drawable
+import android.media.MediaMetadataRetriever
+import android.net.Uri
 import android.os.Environment
-import com.simplemobiletools.commons.extensions.internalStoragePath
-import com.simplemobiletools.commons.helpers.isQPlus
+import android.provider.MediaStore
+import android.provider.MediaStore.Audio.Media
+import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.voicerecorder.R
-import com.simplemobiletools.voicerecorder.helpers.Config
-import com.simplemobiletools.voicerecorder.helpers.IS_RECORDING
-import com.simplemobiletools.voicerecorder.helpers.MyWidgetRecordDisplayProvider
-import com.simplemobiletools.voicerecorder.helpers.TOGGLE_WIDGET_UI
+import com.simplemobiletools.voicerecorder.helpers.*
+import com.simplemobiletools.voicerecorder.models.Recording
+import java.io.File
+import kotlin.math.roundToLong
 
 val Context.config: Config get() = Config.newInstance(applicationContext)
 
@@ -51,3 +56,147 @@ fun Context.getDefaultRecordingsRelativePath(): String {
         getString(R.string.app_name)
     }
 }
+
+@SuppressLint("InlinedApi")
+fun Context.getMediaStoreRecordings(trashed: Boolean = false): ArrayList<Recording> {
+    val recordings = ArrayList<Recording>()
+
+    val uri = Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
+    val projection = arrayOf(
+        Media._ID,
+        Media.DISPLAY_NAME,
+        Media.DATE_ADDED,
+        Media.DURATION,
+        Media.SIZE
+    )
+
+    var selection = "${Media.OWNER_PACKAGE_NAME} = ?"
+    var selectionArgs = arrayOf(packageName)
+    val sortOrder = "${Media.DATE_ADDED} DESC"
+
+    if (config.useRecycleBin) {
+        val trashedValue = if (trashed) 1 else 0
+        selection += " AND ${Media.IS_TRASHED} = ?"
+        selectionArgs = selectionArgs.plus(trashedValue.toString())
+    }
+
+    queryCursor(uri, projection, selection, selectionArgs, sortOrder, true) { cursor ->
+        val id = cursor.getIntValue(Media._ID)
+        val title = cursor.getStringValue(Media.DISPLAY_NAME)
+        val timestamp = cursor.getIntValue(Media.DATE_ADDED)
+        var duration = cursor.getLongValue(Media.DURATION) / 1000
+        var size = cursor.getIntValue(Media.SIZE)
+
+        if (duration == 0L) {
+            duration = getDurationFromUri(getAudioFileContentUri(id.toLong()))
+        }
+
+        if (size == 0) {
+            size = getSizeFromUri(id.toLong())
+        }
+
+        val recording = Recording(id, title, "", timestamp, duration.toInt(), size)
+        recordings.add(recording)
+    }
+
+    return recordings
+}
+
+fun Context.getLegacyRecordings(trashed: Boolean = false): ArrayList<Recording> {
+    val recordings = ArrayList<Recording>()
+    val folder = if (trashed) {
+        trashFolder
+    } else {
+        config.saveRecordingsFolder
+    }
+    val files = File(folder).listFiles() ?: return recordings
+
+    files.filter { it.isAudioFast() }.forEach {
+        val id = it.hashCode()
+        val title = it.name
+        val path = it.absolutePath
+        val timestamp = (it.lastModified() / 1000).toInt()
+        val duration = getDuration(it.absolutePath) ?: 0
+        val size = it.length().toInt()
+        val recording = Recording(id, title, path, timestamp, duration, size)
+        recordings.add(recording)
+    }
+    return recordings
+}
+
+fun Context.getSAFRecordings(trashed: Boolean = false): ArrayList<Recording> {
+    val recordings = ArrayList<Recording>()
+    val folder = if (trashed) {
+        trashFolder
+    } else {
+        config.saveRecordingsFolder
+    }
+    val files = getDocumentSdk30(folder)?.listFiles() ?: return recordings
+
+    files.filter { it.type?.startsWith("audio") == true && !it.name.isNullOrEmpty() }.forEach {
+        val id = it.hashCode()
+        val title = it.name!!
+        val path = it.uri.toString()
+        val timestamp = (it.lastModified() / 1000).toInt()
+        val duration = getDurationFromUri(it.uri)
+        val size = it.length().toInt()
+        val recording = Recording(id, title, path, timestamp, duration.toInt(), size)
+        recordings.add(recording)
+    }
+
+    recordings.sortByDescending { it.timestamp }
+    return recordings
+}
+
+fun Context.getAllRecordings(trashed: Boolean = false): ArrayList<Recording> {
+    val recordings = ArrayList<Recording>()
+    return when {
+        isRPlus() -> {
+            recordings.addAll(getMediaStoreRecordings(trashed))
+            recordings.addAll(getSAFRecordings(trashed))
+            recordings
+        }
+
+        isQPlus() -> {
+            recordings.addAll(getMediaStoreRecordings(trashed))
+            recordings.addAll(getLegacyRecordings(trashed))
+            recordings
+        }
+
+        else -> {
+            recordings.addAll(getLegacyRecordings(trashed))
+            recordings
+        }
+    }
+}
+
+val Context.trashFolder
+    get() = "${config.saveRecordingsFolder}/.trash"
+
+fun Context.getOrCreateTrashFolder(): String {
+    val folder = File(trashFolder)
+    if (!folder.exists()) {
+        folder.mkdir()
+    }
+    return trashFolder
+}
+
+private fun Context.getSizeFromUri(id: Long): Int {
+    val recordingUri = getAudioFileContentUri(id)
+    return try {
+        contentResolver.openInputStream(recordingUri)?.available() ?: 0
+    } catch (e: Exception) {
+        0
+    }
+}
+
+private fun Context.getDurationFromUri(uri: Uri): Long {
+    return try {
+        val retriever = MediaMetadataRetriever()
+        retriever.setDataSource(this, uri)
+        val time = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)!!
+        (time.toLong() / 1000.toDouble()).roundToLong()
+    } catch (e: Exception) {
+        0L
+    }
+}

app/src/main/kotlin/com/simplemobiletools/voicerecorder/fragments/PlayerFragment.kt

@@ -1,28 +1,24 @@
 package com.simplemobiletools.voicerecorder.fragments
 
-import android.annotation.SuppressLint
 import android.content.Context
 import android.graphics.drawable.Drawable
 import android.media.AudioManager
-import android.media.MediaMetadataRetriever
 import android.media.MediaPlayer
 import android.net.Uri
 import android.os.Handler
 import android.os.Looper
 import android.os.PowerManager
 import android.provider.DocumentsContract
-import android.provider.MediaStore
-import android.provider.MediaStore.Audio.Media
 import android.util.AttributeSet
 import android.widget.SeekBar
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 import com.simplemobiletools.commons.helpers.isQPlus
-import com.simplemobiletools.commons.helpers.isRPlus
 import com.simplemobiletools.voicerecorder.R
 import com.simplemobiletools.voicerecorder.activities.SimpleActivity
 import com.simplemobiletools.voicerecorder.adapters.RecordingsAdapter
 import com.simplemobiletools.voicerecorder.extensions.config
+import com.simplemobiletools.voicerecorder.extensions.getAllRecordings
 import com.simplemobiletools.voicerecorder.helpers.getAudioFileContentUri
 import com.simplemobiletools.voicerecorder.interfaces.RefreshRecordingsListener
 import com.simplemobiletools.voicerecorder.models.Events
@@ -31,9 +27,9 @@ import kotlinx.android.synthetic.main.fragment_player.view.*
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
 import org.greenrobot.eventbus.ThreadMode
-import java.io.File
-import java.util.*
-import kotlin.math.roundToLong
+import java.util.Stack
+import java.util.Timer
+import java.util.TimerTask
 
 class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPagerFragment(context, attributeSet), RefreshRecordingsListener {
     private val FAST_FORWARD_SKIP_MS = 10000
@@ -45,18 +41,19 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
     private var lastSearchQuery = ""
     private var bus: EventBus? = null
     private var prevSavePath = ""
+    private var prevRecycleBinState = context.config.useRecycleBin
     private var playOnPreparation = true
 
     override fun onResume() {
         setupColors()
-        if (prevSavePath.isNotEmpty() && context!!.config.saveRecordingsFolder != prevSavePath) {
+        if (prevSavePath.isNotEmpty() && context!!.config.saveRecordingsFolder != prevSavePath || context.config.useRecycleBin != prevRecycleBinState) {
             itemsIgnoringSearch = getRecordings()
             setupAdapter(itemsIgnoringSearch)
         } else {
             getRecordingsAdapter()?.updateTextColor(context.getProperTextColor())
         }
 
-        storePrevPath()
+        storePrevState()
     }
 
     override fun onDestroy() {
@@ -78,7 +75,7 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
         setupAdapter(itemsIgnoringSearch)
         initMediaPlayer()
         setupViews()
-        storePrevPath()
+        storePrevState()
     }
 
     private fun setupViews() {
@@ -183,122 +180,11 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
     }
 
     private fun getRecordings(): ArrayList<Recording> {
-        val recordings = ArrayList<Recording>()
-        return when {
-            isRPlus() -> {
-                recordings.addAll(getMediaStoreRecordings())
-                recordings.addAll(getSAFRecordings())
-                recordings
-            }
-            isQPlus() -> {
-                recordings.addAll(getMediaStoreRecordings())
-                recordings.addAll(getLegacyRecordings())
-                recordings
-            }
-            else -> {
-                recordings.addAll(getLegacyRecordings())
-                recordings
-            }
-        }.apply {
+        return context.getAllRecordings().apply {
             sortByDescending { it.timestamp }
         }
     }
 
-    @SuppressLint("InlinedApi")
-    private fun getMediaStoreRecordings(): ArrayList<Recording> {
-        val recordings = ArrayList<Recording>()
-
-        val uri = Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
-        val projection = arrayOf(
-            Media._ID,
-            Media.DISPLAY_NAME,
-            Media.DATE_ADDED,
-            Media.DURATION,
-            Media.SIZE
-        )
-
-        val selection = "${Media.OWNER_PACKAGE_NAME} = ?"
-        val selectionArgs = arrayOf(context.packageName)
-        val sortOrder = "${Media.DATE_ADDED} DESC"
-
-        context.queryCursor(uri, projection, selection, selectionArgs, sortOrder, true) { cursor ->
-            val id = cursor.getIntValue(Media._ID)
-            val title = cursor.getStringValue(Media.DISPLAY_NAME)
-            val timestamp = cursor.getIntValue(Media.DATE_ADDED)
-            var duration = cursor.getLongValue(Media.DURATION) / 1000
-            var size = cursor.getIntValue(Media.SIZE)
-
-            if (duration == 0L) {
-                duration = getDurationFromUri(getAudioFileContentUri(id.toLong()))
-            }
-
-            if (size == 0) {
-                size = getSizeFromUri(id.toLong())
-            }
-
-            val recording = Recording(id, title, "", timestamp, duration.toInt(), size)
-            recordings.add(recording)
-        }
-
-        return recordings
-    }
-
-    private fun getLegacyRecordings(): ArrayList<Recording> {
-        val recordings = ArrayList<Recording>()
-        val files = File(context.config.saveRecordingsFolder).listFiles() ?: return recordings
-
-        files.filter { it.isAudioFast() }.forEach {
-            val id = it.hashCode()
-            val title = it.name
-            val path = it.absolutePath
-            val timestamp = (it.lastModified() / 1000).toInt()
-            val duration = context.getDuration(it.absolutePath) ?: 0
-            val size = it.length().toInt()
-            val recording = Recording(id, title, path, timestamp, duration, size)
-            recordings.add(recording)
-        }
-        return recordings
-    }
-
-    private fun getSAFRecordings(): ArrayList<Recording> {
-        val recordings = ArrayList<Recording>()
-        val files = context.getDocumentSdk30(context.config.saveRecordingsFolder)?.listFiles() ?: return recordings
-
-        files.filter { it.type?.startsWith("audio") == true && !it.name.isNullOrEmpty() }.forEach {
-            val id = it.hashCode()
-            val title = it.name!!
-            val path = it.uri.toString()
-            val timestamp = (it.lastModified() / 1000).toInt()
-            val duration = getDurationFromUri(it.uri)
-            val size = it.length().toInt()
-            val recording = Recording(id, title, path, timestamp, duration.toInt(), size)
-            recordings.add(recording)
-        }
-
-        recordings.sortByDescending { it.timestamp }
-        return recordings
-    }
-
-    private fun getDurationFromUri(uri: Uri): Long {
-        return try {
-            val retriever = MediaMetadataRetriever()
-            retriever.setDataSource(context, uri)
-            val time = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)!!
-            (time.toLong() / 1000.toDouble()).roundToLong()
-        } catch (e: Exception) {
-            0L
-        }
-    }
-
-    private fun getSizeFromUri(id: Long): Int {
-        val recordingUri = getAudioFileContentUri(id)
-        return try {
-            context.contentResolver.openInputStream(recordingUri)?.available() ?: 0
-        } catch (e: Exception) {
-            0
-        }
-    }
-
     private fun initMediaPlayer() {
         player = MediaPlayer().apply {
             setWakeMode(context, PowerManager.PARTIAL_WAKE_LOCK)
@@ -336,9 +222,11 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
                     DocumentsContract.isDocumentUri(context, uri) -> {
                         setDataSource(context, uri)
                     }
+
                     recording.path.isEmpty() -> {
                         setDataSource(context, getAudioFileContentUri(recording.id.toLong()))
                     }
+
                     else -> {
                         setDataSource(recording.path)
                     }
@@ -452,8 +340,9 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
 
     private fun getRecordingsAdapter() = recordings_list.adapter as? RecordingsAdapter
 
-    private fun storePrevPath() {
+    private fun storePrevState() {
         prevSavePath = context!!.config.saveRecordingsFolder
+        prevRecycleBinState = context.config.useRecycleBin
     }
 
     private fun setupColors() {
@@ -476,4 +365,9 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
     fun recordingCompleted(event: Events.RecordingCompleted) {
         refreshRecordings()
     }
+
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun recordingMovedToRecycleBin(event: Events.RecordingTrashUpdated) {
+        refreshRecordings()
+    }
 }

app/src/main/kotlin/com/simplemobiletools/voicerecorder/fragments/TrashFragment.kt

@@ -0,0 +1,127 @@
+package com.simplemobiletools.voicerecorder.fragments
+
+import android.content.Context
+import android.os.Handler
+import android.os.Looper
+import android.util.AttributeSet
+import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.commons.helpers.ensureBackgroundThread
+import com.simplemobiletools.voicerecorder.R
+import com.simplemobiletools.voicerecorder.activities.SimpleActivity
+import com.simplemobiletools.voicerecorder.adapters.TrashAdapter
+import com.simplemobiletools.voicerecorder.extensions.config
+import com.simplemobiletools.voicerecorder.extensions.getAllRecordings
+import com.simplemobiletools.voicerecorder.interfaces.RefreshRecordingsListener
+import com.simplemobiletools.voicerecorder.models.Events
+import com.simplemobiletools.voicerecorder.models.Recording
+import kotlinx.android.synthetic.main.fragment_trash.view.player_holder
+import kotlinx.android.synthetic.main.fragment_trash.view.recordings_fastscroller
+import kotlinx.android.synthetic.main.fragment_trash.view.recordings_list
+import kotlinx.android.synthetic.main.fragment_trash.view.recordings_placeholder
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
+
+class TrashFragment(context: Context, attributeSet: AttributeSet) : MyViewPagerFragment(context, attributeSet), RefreshRecordingsListener {
+    private var itemsIgnoringSearch = ArrayList<Recording>()
+    private var lastSearchQuery = ""
+    private var bus: EventBus? = null
+    private var prevSavePath = ""
+
+    override fun onResume() {
+        setupColors()
+        if (prevSavePath.isNotEmpty() && context!!.config.saveRecordingsFolder != prevSavePath) {
+            itemsIgnoringSearch = getRecordings()
+            setupAdapter(itemsIgnoringSearch)
+        } else {
+            getRecordingsAdapter()?.updateTextColor(context.getProperTextColor())
+        }
+
+        storePrevPath()
+    }
+
+    override fun onDestroy() {
+        bus?.unregister(this)
+    }
+
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+
+        bus = EventBus.getDefault()
+        bus!!.register(this)
+        setupColors()
+        itemsIgnoringSearch = getRecordings()
+        setupAdapter(itemsIgnoringSearch)
+        storePrevPath()
+    }
+
+    override fun refreshRecordings() {
+        itemsIgnoringSearch = getRecordings()
+        setupAdapter(itemsIgnoringSearch)
+    }
+
+    override fun playRecording(recording: Recording, playOnPrepared: Boolean) {}
+
+    private fun setupAdapter(recordings: ArrayList<Recording>) {
+        ensureBackgroundThread {
+            Handler(Looper.getMainLooper()).post {
+                recordings_fastscroller.beVisibleIf(recordings.isNotEmpty())
+                recordings_placeholder.beVisibleIf(recordings.isEmpty())
+                if (recordings.isEmpty()) {
+                    val stringId = if (lastSearchQuery.isEmpty()) {
+                        R.string.recycle_bin_empty
+                    } else {
+                        R.string.no_items_found
+                    }
+
+                    recordings_placeholder.text = context.getString(stringId)
+                }
+
+                val adapter = getRecordingsAdapter()
+                if (adapter == null) {
+                    TrashAdapter(context as SimpleActivity, recordings, this, recordings_list)
+                        .apply {
+                            recordings_list.adapter = this
+                        }
+
+                    if (context.areSystemAnimationsEnabled) {
+                        recordings_list.scheduleLayoutAnimation()
+                    }
+                } else {
+                    adapter.updateItems(recordings)
+                }
+            }
+        }
+    }
+
+    private fun getRecordings(): ArrayList<Recording> {
+        return context.getAllRecordings(trashed = true).apply {
+            sortByDescending { it.timestamp }
+        }
+    }
+
+    fun onSearchTextChanged(text: String) {
+        lastSearchQuery = text
+        val filtered = itemsIgnoringSearch.filter { it.title.contains(text, true) }.toMutableList() as ArrayList<Recording>
+        setupAdapter(filtered)
+    }
+
+    private fun getRecordingsAdapter() = recordings_list.adapter as? TrashAdapter
+
+    private fun storePrevPath() {
+        prevSavePath = context!!.config.saveRecordingsFolder
+    }
+
+    private fun setupColors() {
+        val properPrimaryColor = context.getProperPrimaryColor()
+        recordings_fastscroller.updateColors(properPrimaryColor)
+        context.updateTextColors(player_holder)
+    }
+
+    fun finishActMode() = getRecordingsAdapter()?.finishActMode()
+
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun recordingMovedToRecycleBin(event: Events.RecordingTrashUpdated) {
+        refreshRecordings()
+    }
+}

app/src/main/kotlin/com/simplemobiletools/voicerecorder/helpers/Config.kt

@@ -72,4 +72,12 @@ class Config(context: Context) : BaseConfig(context) {
         EXTENSION_OGG -> MediaRecorder.AudioEncoder.OPUS
         else -> MediaRecorder.AudioEncoder.AAC
     }
+
+    var useRecycleBin: Boolean
+        get() = prefs.getBoolean(USE_RECYCLE_BIN, true)
+        set(useRecycleBin) = prefs.edit().putBoolean(USE_RECYCLE_BIN, useRecycleBin).apply()
+
+    var lastRecycleBinCheck: Long
+        get() = prefs.getLong(LAST_RECYCLE_BIN_CHECK, 0L)
+        set(lastRecycleBinCheck) = prefs.edit().putLong(LAST_RECYCLE_BIN_CHECK, lastRecycleBinCheck).apply()
 }

app/src/main/kotlin/com/simplemobiletools/voicerecorder/helpers/Constants.kt

@@ -36,6 +36,8 @@ const val EXTENSION = "extension"
 const val AUDIO_SOURCE = "audio_source"
 const val BITRATE = "bitrate"
 const val RECORD_AFTER_LAUNCH = "record_after_launch"
+const val USE_RECYCLE_BIN = "use_recycle_bin"
+const val LAST_RECYCLE_BIN_CHECK = "last_recycle_bin_check"
 
 @SuppressLint("InlinedApi")
 fun getAudioFileContentUri(id: Long): Uri {

app/src/main/kotlin/com/simplemobiletools/voicerecorder/models/Events.kt

@@ -7,5 +7,6 @@ class Events {
     class RecordingStatus internal constructor(val status: Int)
     class RecordingAmplitude internal constructor(val amplitude: Int)
     class RecordingCompleted internal constructor()
+    class RecordingTrashUpdated internal constructor()
     class RecordingSaved internal constructor(val uri: Uri?)
 }

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

@@ -268,6 +268,55 @@
                     tools:text="128 kbps" />
 
             </RelativeLayout>
+
+            <include
+                android:id="@+id/settings_general_settings_divider"
+                layout="@layout/divider" />
+
+            <TextView
+                android:id="@+id/settings_recycle_bin_label"
+                style="@style/SettingsSectionLabelStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/recycle_bin" />
+
+            <RelativeLayout
+                android:id="@+id/settings_use_recycle_bin_holder"
+                style="@style/SettingsHolderCheckboxStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+                    android:id="@+id/settings_use_recycle_bin"
+                    style="@style/SettingsCheckboxStyle"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/move_items_into_recycle_bin" />
+
+            </RelativeLayout>
+
+            <RelativeLayout
+                android:id="@+id/settings_empty_recycle_bin_holder"
+                style="@style/SettingsHolderTextViewStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <com.simplemobiletools.commons.views.MyTextView
+                    android:id="@+id/settings_empty_recycle_bin_label"
+                    style="@style/SettingsTextLabelStyle"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/empty_recycle_bin" />
+
+                <com.simplemobiletools.commons.views.MyTextView
+                    android:id="@+id/settings_empty_recycle_bin_size"
+                    style="@style/SettingsTextValueStyle"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_below="@+id/settings_empty_recycle_bin_label"
+                    tools:text="0 B" />
+
+            </RelativeLayout>
         </LinearLayout>
     </androidx.core.widget.NestedScrollView>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/delete_remember_holder"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingLeft="@dimen/big_margin"
+    android:paddingTop="@dimen/big_margin"
+    android:paddingRight="@dimen/big_margin">
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/delete_remember_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingStart="@dimen/small_margin"
+        android:paddingBottom="@dimen/activity_margin"
+        android:text="@string/delete_recordings_confirmation"
+        android:textSize="@dimen/bigger_text_size" />
+
+    <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+        android:id="@+id/skip_the_recycle_bin_checkbox"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/delete_remember_title"
+        android:text="@string/skip_the_recycle_bin" />
+
+</RelativeLayout>

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

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.simplemobiletools.voicerecorder.fragments.TrashFragment xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/player_holder"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/recordings_placeholder"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:alpha="0.8"
+        android:gravity="center"
+        android:lineSpacingExtra="@dimen/small_margin"
+        android:padding="@dimen/activity_margin"
+        android:text="@string/recycle_bin_empty"
+        android:textSize="@dimen/bigger_text_size"
+        android:textStyle="italic"
+        android:visibility="visible" />
+
+    <com.qtalk.recyclerviewfastscroller.RecyclerViewFastScroller
+        android:id="@+id/recordings_fastscroller"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@+id/player_controls_wrapper"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <com.simplemobiletools.commons.views.MyRecyclerView
+            android:id="@+id/recordings_list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:clipToPadding="false"
+            android:layoutAnimation="@anim/layout_animation"
+            android:scrollbars="none"
+            app:layoutManager="com.simplemobiletools.commons.views.MyLinearLayoutManager" />
+
+    </com.qtalk.recyclerviewfastscroller.RecyclerViewFastScroller>
+</com.simplemobiletools.voicerecorder.fragments.TrashFragment>

app/src/main/res/menu/cab_trash.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="AppCompatResource,AlwaysShowAction">
+    <item
+        android:id="@+id/cab_delete"
+        android:icon="@drawable/ic_delete_vector"
+        android:showAsAction="always"
+        android:title="@string/delete" />
+    <item
+        android:id="@+id/cab_restore"
+        android:showAsAction="never"
+        android:title="@string/restore_selected_files"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/cab_select_all"
+        android:icon="@drawable/ic_select_all_vector"
+        android:title="@string/select_all"
+        app:showAsAction="ifRoom" />
+</menu>