Improved recycler view

app/src/main/java/fr/free/nrw/commons/upload/FailedUploadsAdapter.kt

@@ -9,18 +9,18 @@ import android.webkit.URLUtil
 import android.widget.ImageView
 import android.widget.ProgressBar
 import android.widget.TextView
+import androidx.paging.PagedListAdapter
+import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import com.facebook.imagepipeline.request.ImageRequest
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.contributions.Contribution
-import timber.log.Timber
 import java.io.File
 
 
-class FailedUploadsAdapter(items: List<Contribution>, callback: Callback) :
+class FailedUploadsAdapter(callback: Callback) :
-    RecyclerView.Adapter<FailedUploadsAdapter.ViewHolder>() {
+    PagedListAdapter<Contribution, FailedUploadsAdapter.ViewHolder>(ContributionDiffCallback()) {
-    private val items: List<Contribution> = items
+    private var callback: Callback = callback
-    private var callback: FailedUploadsAdapter.Callback = callback
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         val view: View =
@@ -29,10 +29,12 @@ class FailedUploadsAdapter(items: List<Contribution>, callback: Callback) :
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        val item: Contribution = items[position]
+        val item: Contribution? = getItem(position)
+        if (item != null) {
             holder.titleTextView.setText(item.media.displayTitle)
+        }
         var imageRequest: ImageRequest? = null
-        val imageSource: String = item.localUri.toString()
+        val imageSource: String = item?.localUri.toString()
 
         if (!TextUtils.isEmpty(imageSource)) {
             if (URLUtil.isFileUrl(imageSource)) {
@@ -47,6 +49,7 @@ class FailedUploadsAdapter(items: List<Contribution>, callback: Callback) :
             }
         }
 
+        if (item != null) {
             if (item.state == Contribution.STATE_FAILED) {
                 if (item.errorInfo != null) {
                     holder.errorTextView.setText(item.errorInfo)
@@ -56,6 +59,7 @@ class FailedUploadsAdapter(items: List<Contribution>, callback: Callback) :
                 holder.errorTextView.visibility = View.VISIBLE
                 holder.itemProgress.visibility = View.GONE
             }
+        }
         holder.deleteButton.setOnClickListener {
             callback.deleteUpload(item)
         }
@@ -65,12 +69,6 @@ class FailedUploadsAdapter(items: List<Contribution>, callback: Callback) :
         holder.itemImage.setImageRequest(imageRequest)
     }
 
-
-    override fun getItemCount(): Int {
-        return items.size
-    }
-
-
     class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
         var itemImage: com.facebook.drawee.view.SimpleDraweeView =
             itemView.findViewById(R.id.itemImage)
@@ -81,6 +79,20 @@ class FailedUploadsAdapter(items: List<Contribution>, callback: Callback) :
         var retryButton: ImageView = itemView.findViewById(R.id.retryButton)
     }
 
+    override fun getItemId(position: Int): Long {
+        return getItem(position)?.pageId?.hashCode()?.toLong() ?: position.toLong()
+    }
+
+    class ContributionDiffCallback : DiffUtil.ItemCallback<Contribution>() {
+        override fun areItemsTheSame(oldItem: Contribution, newItem: Contribution): Boolean {
+            return oldItem.pageId.hashCode() == newItem.pageId.hashCode()
+        }
+
+        override fun areContentsTheSame(oldItem: Contribution, newItem: Contribution): Boolean {
+            return oldItem.transferred == newItem.transferred
+        }
+    }
+
     interface Callback {
         fun deleteUpload(contribution: Contribution?)
         fun restartUpload(index: Int)

app/src/main/java/fr/free/nrw/commons/upload/FailedUploadsFragment.kt

@@ -27,7 +27,8 @@ import javax.inject.Inject
  * Use the [FailedUploadsFragment.newInstance] factory method to
  * create an instance of this fragment.
  */
-class FailedUploadsFragment : CommonsDaggerSupportFragment(),PendingUploadsContract.View, FailedUploadsAdapter.Callback {
+class FailedUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsContract.View,
+    FailedUploadsAdapter.Callback {
     private var param1: String? = null
     private var param2: String? = null
     private val ARG_PARAM1 = "param1"
@@ -46,6 +47,8 @@ class FailedUploadsFragment : CommonsDaggerSupportFragment(),PendingUploadsContr
 
     lateinit var binding: FragmentFailedUploadsBinding
 
+    private lateinit var adapter: FailedUploadsAdapter
+
     var contributionsList = ArrayList<Contribution>()
 
     private lateinit var uploadProgressActivity: UploadProgressActivity
@@ -81,16 +84,27 @@ class FailedUploadsFragment : CommonsDaggerSupportFragment(),PendingUploadsContr
     ): View? {
         binding = FragmentFailedUploadsBinding.inflate(layoutInflater)
         pendingUploadsPresenter.onAttachView(this)
-        initRecyclerView()
+        initAdapter()
         return binding.root
     }
 
+    fun initAdapter() {
+        adapter = FailedUploadsAdapter(this)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        initRecyclerView()
+    }
+
     fun initRecyclerView() {
         binding.failedUploadsRecyclerView.setLayoutManager(LinearLayoutManager(this.context))
+        binding.failedUploadsRecyclerView.adapter = adapter
         pendingUploadsPresenter!!.getFailedContributions(userName)
         pendingUploadsPresenter!!.failedContributionList.observe(
             viewLifecycleOwner
         ) { list: PagedList<Contribution?> ->
+            adapter.submitList(list)
             contributionsList = ArrayList()
             list.forEach {
                 if (it != null) {
@@ -105,7 +119,6 @@ class FailedUploadsFragment : CommonsDaggerSupportFragment(),PendingUploadsContr
                 uploadProgressActivity.setErrorIconsVisibility(true)
                 binding.nofailedTextView.visibility = View.GONE
                 binding.failedUplaodsLl.visibility = View.VISIBLE
-                val adapter = FailedUploadsAdapter(contributionsList, this)
                 binding.failedUploadsRecyclerView.setAdapter(adapter)
             }
         }

app/src/main/java/fr/free/nrw/commons/upload/PendingUploadsAdapter.kt

@@ -9,88 +9,145 @@ import android.webkit.URLUtil
 import android.widget.ImageView
 import android.widget.ProgressBar
 import android.widget.TextView
+import androidx.paging.PagedListAdapter
+import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import com.facebook.imagepipeline.request.ImageRequest
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.contributions.Contribution
-import timber.log.Timber
 import java.io.File
 
 
-class PendingUploadsAdapter(items: List<Contribution>, callback: Callback) :
+class PendingUploadsAdapter(private val callback: Callback) :
-    RecyclerView.Adapter<PendingUploadsAdapter.ViewHolder>() {
+    PagedListAdapter<Contribution, PendingUploadsAdapter.ViewHolder>(ContributionDiffCallback()) {
-    private val items: List<Contribution> = items
-    private var callback: Callback = callback
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        val view: View =
+        val view: View = LayoutInflater.from(parent.context)
-            LayoutInflater.from(parent.context).inflate(R.layout.item_pending_upload, parent, false)
+            .inflate(R.layout.item_pending_upload, parent, false)
         return ViewHolder(view)
     }
 
+    override fun onBindViewHolder(holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
+        if (payloads.isNotEmpty()) {
+            when (val latestPayload = payloads.lastOrNull()) {
+                is ContributionChangePayload.Progress -> holder.bindProgress(
+                    latestPayload.transferred,
+                    latestPayload.total
+                )
+
+                is ContributionChangePayload.State -> holder.bindState(latestPayload.state)
+                else -> onBindViewHolder(holder, position)
+            }
+        } else {
+            onBindViewHolder(holder, position)
+        }
+    }
+
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        val item: Contribution = items[position]
+        val contribution = getItem(position)
-        holder.titleTextView.setText(item.media.displayTitle)
+        contribution?.let {
-        var imageRequest: ImageRequest? = null
+            holder.bind(it)
-
-        val imageSource: String = item.localUri.toString()
-
-        if (!TextUtils.isEmpty(imageSource)) {
-            if (URLUtil.isFileUrl(imageSource)) {
-                imageRequest = ImageRequest.fromUri(Uri.parse(imageSource))!!
-            } else if (imageSource != null) {
-                val file = File(imageSource)
-                imageRequest = ImageRequest.fromFile(file)!!
-            }
-
-            if (imageRequest != null) {
-                holder.itemImage.setImageRequest(imageRequest)
-            }
-        }
-        if (item.state == Contribution.STATE_QUEUED || item.state == Contribution.STATE_PAUSED) {
-            holder.errorTextView.setText("Queued")
-            holder.errorTextView.visibility = View.VISIBLE
-            holder.itemProgress.visibility = View.GONE
-        } else {
-            if (item.transferred == 0L) {
-                holder.errorTextView.setText("Queued")
-                holder.errorTextView.visibility = View.VISIBLE
-                holder.itemProgress.visibility = View.GONE
-            } else {
-                holder.errorTextView.visibility = View.GONE
-                holder.itemProgress.visibility = View.VISIBLE
-                val total: Long = item.dataLength
-                val transferred: Long = item.transferred
-                if (transferred == 0L || transferred >= total) {
-                    holder.itemProgress.setIndeterminate(true)
-                } else {
-                    holder.itemProgress.setIndeterminate(false)
-                    holder.itemProgress.setProgress(((transferred.toDouble() / total.toDouble()) * 100).toInt())
-                }
-            }
-        }
-
-        holder.itemImage.setImageRequest(imageRequest)
-
             holder.deleteButton.setOnClickListener {
-            callback!!.deleteUpload(item)
+                callback.deleteUpload(contribution)
             }
         }
-
-    override fun getItemCount(): Int {
-        return items.size
     }
 
     class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
         var itemImage: com.facebook.drawee.view.SimpleDraweeView =
             itemView.findViewById(R.id.itemImage)
-        var titleTextView: TextView = itemView.findViewById<TextView>(R.id.titleTextView)
+        var titleTextView: TextView = itemView.findViewById(R.id.titleTextView)
-        var itemProgress: ProgressBar = itemView.findViewById<ProgressBar>(R.id.itemProgress)
+        var itemProgress: ProgressBar = itemView.findViewById(R.id.itemProgress)
-        var errorTextView: TextView = itemView.findViewById<TextView>(R.id.errorTextView)
+        var errorTextView: TextView = itemView.findViewById(R.id.errorTextView)
         var deleteButton: ImageView = itemView.findViewById(R.id.deleteButton)
+
+        fun bind(contribution: Contribution) {
+            titleTextView.text = contribution.media.displayTitle
+
+            val imageSource: String = contribution.localUri.toString()
+            var imageRequest: ImageRequest? = null
+
+            if (!TextUtils.isEmpty(imageSource)) {
+                if (URLUtil.isFileUrl(imageSource)) {
+                    imageRequest = ImageRequest.fromUri(Uri.parse(imageSource))
+                } else {
+                    val file = File(imageSource)
+                    imageRequest = ImageRequest.fromFile(file)
+                }
+            }
+
+            if (imageRequest != null) {
+                itemImage.setImageRequest(imageRequest)
+            }
+
+            bindState(contribution.state)
+            bindProgress(contribution.transferred, contribution.dataLength)
+        }
+
+        fun bindState(state: Int) {
+            if (state == Contribution.STATE_QUEUED || state == Contribution.STATE_PAUSED) {
+                errorTextView.text = "Queued"
+                errorTextView.visibility = View.VISIBLE
+                itemProgress.visibility = View.GONE
+            } else {
+                errorTextView.visibility = View.GONE
+                itemProgress.visibility = View.VISIBLE
+            }
+        }
+
+        fun bindProgress(transferred: Long, total: Long) {
+            if (transferred == 0L) {
+                errorTextView.text = "Queued"
+                errorTextView.visibility = View.VISIBLE
+                itemProgress.visibility = View.GONE
+            } else {
+                errorTextView.visibility = View.GONE
+                itemProgress.visibility = View.VISIBLE
+                if (transferred >= total) {
+                    itemProgress.isIndeterminate = true
+                } else {
+                    itemProgress.isIndeterminate = false
+                    itemProgress.progress =
+                        ((transferred.toDouble() / total.toDouble()) * 100).toInt()
+                }
+            }
+        }
     }
 
     interface Callback {
         fun deleteUpload(contribution: Contribution?)
     }
+
+    class ContributionDiffCallback : DiffUtil.ItemCallback<Contribution>() {
+        override fun areItemsTheSame(oldItem: Contribution, newItem: Contribution): Boolean {
+            return oldItem.pageId.hashCode() == newItem.pageId.hashCode()
+        }
+
+        override fun areContentsTheSame(oldItem: Contribution, newItem: Contribution): Boolean {
+            return oldItem.transferred == newItem.transferred
+        }
+
+        override fun getChangePayload(oldItem: Contribution, newItem: Contribution): Any? {
+            return when {
+                oldItem.transferred != newItem.transferred -> {
+                    ContributionChangePayload.Progress(newItem.transferred, newItem.dataLength)
+                }
+
+                oldItem.state != newItem.state -> {
+                    ContributionChangePayload.State(newItem.state)
+                }
+
+                else -> super.getChangePayload(oldItem, newItem)
+            }
+        }
+    }
+
+    override fun getItemId(position: Int): Long {
+        return getItem(position)?.pageId?.hashCode()?.toLong() ?: position.toLong()
+    }
+
+    private sealed interface ContributionChangePayload {
+        data class Progress(val transferred: Long, val total: Long) : ContributionChangePayload
+        data class State(val state: Int) : ContributionChangePayload
+    }
 }

app/src/main/java/fr/free/nrw/commons/upload/PendingUploadsFragment.kt

@@ -1,16 +1,17 @@
 package fr.free.nrw.commons.upload
 
 import android.content.Context
+import android.os.AsyncTask
 import android.os.Build.VERSION
 import android.os.Build.VERSION_CODES
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Toast
 import androidx.paging.PagedList
+import androidx.paging.PositionalDataSource
 import androidx.recyclerview.widget.LinearLayoutManager
-import fr.free.nrw.commons.CommonsApplication
+import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.auth.SessionManager
 import fr.free.nrw.commons.contributions.Contribution
@@ -19,7 +20,6 @@ import fr.free.nrw.commons.di.CommonsDaggerSupportFragment
 import fr.free.nrw.commons.media.MediaClient
 import fr.free.nrw.commons.profile.ProfileActivity
 import fr.free.nrw.commons.utils.DialogUtil.showAlertDialog
-import fr.free.nrw.commons.utils.NetworkUtils
 import fr.free.nrw.commons.utils.ViewUtil
 import org.apache.commons.lang3.StringUtils
 import timber.log.Timber
@@ -54,6 +54,8 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
 
     private lateinit var uploadProgressActivity: UploadProgressActivity
 
+    private lateinit var adapter: PendingUploadsAdapter
+
     private var contributionsSize = 0
     var contributionsList = ArrayList<Contribution>()
     private var totalUploads = 0
@@ -90,17 +92,22 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
         super.onCreate(savedInstanceState)
         binding = FragmentPendingUploadsBinding.inflate(inflater, container, false)
         pendingUploadsPresenter.onAttachView(this)
-        initRecyclerView()
+        initAdapter()
         return binding.root
     }
 
+    fun initAdapter() {
+        adapter = PendingUploadsAdapter(this)
+    }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        initRecyclerView()
     }
 
     fun initRecyclerView() {
         binding.pendingUploadsRecyclerView.setLayoutManager(LinearLayoutManager(this.context))
+        binding.pendingUploadsRecyclerView.adapter = adapter
         pendingUploadsPresenter!!.setup(
             userName,
             sessionManager!!.userName == userName
@@ -111,7 +118,6 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
             contributionsSize = list.size
             contributionsList = ArrayList()
             var pausedOrQueuedUploads = 0
-            var failedUploads = 0
             list.forEach {
                 if (it != null) {
                     if (it.state == Contribution.STATE_PAUSED
@@ -125,9 +131,6 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
                     ) {
                         pausedOrQueuedUploads++
                     }
-                    if (it.state == Contribution.STATE_FAILED){
-                        failedUploads++
-                    }
                 }
             }
             if (contributionsSize == 0) {
@@ -142,13 +145,15 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
                 binding.nopendingTextView.visibility = View.GONE
                 binding.pendingUplaodsLl.visibility = View.VISIBLE
 
-                val sortedContributionsList: List<Contribution> = if (VERSION.SDK_INT >= VERSION_CODES.N) {
+                val sortedContributionsList: List<Contribution> =
+                    if (VERSION.SDK_INT >= VERSION_CODES.N) {
                         contributionsList.sortedByDescending { it.dateModifiedInMillis() }
                     } else {
                         contributionsList.sortedBy { it.dateModifiedInMillis() }.reversed()
                     }
 
-                val newContributionList: MutableList<Contribution> = sortedContributionsList.toMutableList()
+                val newContributionList: MutableList<Contribution> =
+                    sortedContributionsList.toMutableList()
                 val listOfRemoved: MutableList<Contribution> = mutableListOf()
                 val last = sortedContributionsList.last()
                 for (i in sortedContributionsList.indices) {
@@ -159,8 +164,33 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
                 }
                 newContributionList.removeAll(listOfRemoved)
                 newContributionList.addAll(listOfRemoved)
-                val adapter = PendingUploadsAdapter(newContributionList, this)
+
-                binding.pendingUploadsRecyclerView.setAdapter(adapter)
+                // TODO: WORK ON THE SORTING ISSUE
+                val dataSource = object : PositionalDataSource<Contribution>() {
+                    override fun loadInitial(
+                        params: LoadInitialParams,
+                        callback: LoadInitialCallback<Contribution>
+                    ) {
+                        callback.onResult(newContributionList, 0, newContributionList.size)
+                    }
+
+                    override fun loadRange(
+                        params: LoadRangeParams,
+                        callback: LoadRangeCallback<Contribution>
+                    ) {
+                        val start = params.startPosition
+                        val end = Math.min(start + params.loadSize, newContributionList.size)
+                        callback.onResult(newContributionList.subList(start, end))
+                    }
+                }
+
+                val pagedList = PagedList.Builder(dataSource, 10)
+                    .setFetchExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
+                    .setNotifyExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
+                    .build()
+
+                adapter.submitList(pagedList)
+
                 binding.progressTextView.setText((totalUploads - contributionsSize).toString() + "/" + totalUploads + " uploaded")
                 binding.progressBarPending.progress = totalUploads - contributionsSize
                 if (pausedOrQueuedUploads == contributionsSize) {
@@ -187,7 +217,10 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
             String.format(Locale.getDefault(), getString(R.string.no)),
             {
                 ViewUtil.showShortToast(context, R.string.cancelling_upload)
-                pendingUploadsPresenter.deleteUpload(contribution, this.requireContext().applicationContext)
+                pendingUploadsPresenter.deleteUpload(
+                    contribution,
+                    this.requireContext().applicationContext
+                )
                 resetProgressBar()
             },
             {}
@@ -207,13 +240,21 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
 
     fun restartUploads() {
         if (contributionsList != null) {
-            pendingUploadsPresenter.restartUploads(contributionsList, 0 , this.requireContext().applicationContext)
+            pendingUploadsPresenter.restartUploads(
+                contributionsList,
+                0,
+                this.requireContext().applicationContext
+            )
         }
     }
 
     fun pauseUploads() {
         if (contributionsList != null) {
-            pendingUploadsPresenter.pauseUploads(contributionsList, 0, this.requireContext().applicationContext)
+            pendingUploadsPresenter.pauseUploads(
+                contributionsList,
+                0,
+                this.requireContext().applicationContext
+            )
         }
     }
 
@@ -234,7 +275,11 @@ class PendingUploadsFragment : CommonsDaggerSupportFragment(), PendingUploadsCon
                 {
                     ViewUtil.showShortToast(context, R.string.cancelling_upload)
                     uploadProgressActivity.hidePendingIcons()
-                    pendingUploadsPresenter.deleteUploads(contributionsList, 0, this.requireContext().applicationContext)
+                    pendingUploadsPresenter.deleteUploads(
+                        contributionsList,
+                        0,
+                        this.requireContext().applicationContext
+                    )
                 },
                 {}
             )

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

@@ -1,28 +1,34 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="match_parent"
-  android:layout_height="wrap_content"
   xmlns:app="http://schemas.android.com/apk/res-auto"
   xmlns:fresco="http://schemas.android.com/tools"
-  android:paddingBottom="8dp"
+  android:layout_width="match_parent"
+  android:layout_height="wrap_content"
   android:gravity="center"
-  android:orientation="horizontal">
+  android:orientation="horizontal"
+  android:paddingBottom="8dp">
 
   <com.facebook.drawee.view.SimpleDraweeView
     android:id="@+id/itemImage"
     android:layout_width="50dp"
     android:layout_height="50dp"
+    android:layout_marginBottom="8dp"
     android:background="?attr/mainBackground"
     app:actualImageScaleType="centerCrop"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent"
     fresco:placeholderImage="@drawable/ic_image_black_24dp" />
 
   <LinearLayout
-    android:layout_width="match_parent"
+    android:layout_width="0dp"
     android:layout_height="wrap_content"
-    android:paddingHorizontal="6dp"
     android:layout_weight="1"
     android:gravity="center"
-    android:orientation="vertical">
+    android:orientation="vertical"
+    android:paddingHorizontal="6dp"
+    app:layout_constraintEnd_toStartOf="@+id/deleteButton"
+    app:layout_constraintStart_toEndOf="@+id/itemImage">
 
     <TextView
       android:id="@+id/titleTextView"
@@ -34,7 +40,8 @@
       android:id="@+id/itemProgress"
       style="?android:attr/progressBarStyleHorizontal"
       android:layout_width="match_parent"
-      android:layout_height="wrap_content" />
+      android:layout_height="wrap_content"
+      android:visibility="visible" />
 
     <TextView
       android:id="@+id/errorTextView"
@@ -49,6 +56,9 @@
     android:id="@+id/deleteButton"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:src="@android:drawable/ic_menu_close_clear_cancel" />
+    android:src="@android:drawable/ic_menu_close_clear_cancel"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintTop_toTopOf="parent" />
 
-</LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/test/kotlin/fr/free/nrw/commons/upload/UploadClientTest.kt

@@ -18,6 +18,7 @@ import fr.free.nrw.commons.auth.csrf.CsrfTokenClient
 import fr.free.nrw.commons.contributions.ChunkInfo
 import fr.free.nrw.commons.contributions.Contribution
 import fr.free.nrw.commons.upload.UploadClient.TimeProvider
+import fr.free.nrw.commons.upload.worker.UploadWorker
 import fr.free.nrw.commons.wikidata.mwapi.MwException
 import fr.free.nrw.commons.wikidata.mwapi.MwServiceError
 import io.reactivex.Observable
@@ -171,6 +172,16 @@ class UploadClientTest {
 
     @Test
     fun uploadFileToStash_returnsFailureIfNothingToUpload() {
+//        val tempFile = File.createTempFile("tempFile", ".tmp")
+//        tempFile.deleteOnExit()
+//        whenever(contribution.isCompleted()).thenReturn(false)
+//        whenever(contribution.fileKey).thenReturn(filekey)
+//        whenever(contribution.localUriPath).thenReturn(tempFile)
+//        whenever(fileUtilsWrapper.getMimeType(anyOrNull<File>())).thenReturn("image/png")
+//        whenever(fileUtilsWrapper.getFileChunks(anyOrNull<File>(), eq(expectedChunkSize))).thenReturn(emptyList())
+//        val result = uploadClient.uploadFileToStash(filename, contribution, mock() ).test()
+//        result.assertNoErrors()
+//        assertEquals(StashUploadState.FAILED, result.values()[0].state)
         whenever(contribution.isCompleted()).thenReturn(false)
         whenever(contribution.fileKey).thenReturn(filekey)
         whenever(fileUtilsWrapper.getMimeType(anyOrNull<File>())).thenReturn("image/png")