Fixe ProjectAdapter für korrektes Aktualisieren der Daten

app/src/main/java/com/cyb3rko/techniklogger/fragments/ListingFragment.kt

@@ -9,6 +9,7 @@ import android.view.*
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.cyb3rko.techniklogger.*
 import com.cyb3rko.techniklogger.databinding.FragmentListingBinding
 import com.cyb3rko.techniklogger.recycler.ProjectEntry
@@ -26,7 +27,6 @@ class ListingFragment : Fragment() {
 
     private var adminMode: Boolean? = null
     private lateinit var projectsAdapter: ProjectsAdapter
-    private val data: MutableList<ProjectEntry> = mutableListOf()
     private var isFABOpen = false
     private lateinit var sharedPref: SharedPreferences
     private lateinit var sharedPrefEditor: SharedPreferences.Editor
@@ -94,7 +94,7 @@ class ListingFragment : Fragment() {
 
         binding.fab2.setOnClickListener {
             closeFABMenu()
-            ExportBuilder(myContext, data, binding)
+            ExportBuilder(myContext, projectsAdapter.currentList, binding)
         }
 
         binding.fab3.setOnClickListener {
@@ -135,10 +135,11 @@ class ListingFragment : Fragment() {
 
         query.findInBackground { objects, e ->
             if (e == null) {
+                val data = mutableListOf<ProjectEntry>()
                 objects.forEach {
                     val dates = it.getString(COLUMN_EINSATZ_DATUM)!!.split(",")
                     val time = if (dates.size > 1) dates[1] else ""
-                    data.add(data.size, ProjectEntry(
+                    data.add(ProjectEntry(
                         SimpleDateFormat("yyyy.MM.dd", Locale.GERMANY).parse(dates[0])!!,
                         it.getInt(COLUMN_EINSATZ_DAUER).toString(),
                         it.getString(COLUMN_EINSATZ_ORT)!!,
@@ -152,9 +153,16 @@ class ListingFragment : Fragment() {
                 binding.swipeRefreshLayout.isRefreshing = false
                 projectsAdapter.submitList(data)
                 (requireActivity() as MainActivity).setActionBarSubtitle(objects.size.toString())
+
+                projectsAdapter.registerAdapterDataObserver(object: RecyclerView.AdapterDataObserver() {
+                    override fun onItemRangeInserted(positionStart: Int, itemCount: Int) {
+                        super.onItemRangeInserted(positionStart, itemCount)
+                        binding.recyclerView.smoothScrollToPosition(0)
+                    }
+                })
             } else {
                 binding.swipeRefreshLayout.isRefreshing = false
-                if (data.isEmpty()) {
+                if (projectsAdapter.currentList.isEmpty()) {
                     showAnimation(true, false)
                 }
                 Toasty.error(myContext, "Abruf fehlgeschlagen", Toasty.LENGTH_SHORT).show()

app/src/main/java/com/cyb3rko/techniklogger/recycler/ProjectsAdapter.kt

@@ -25,7 +25,7 @@ class ProjectsAdapter(
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        val entry = getItem(position)
+        val entry = currentList[position]
         holder.textView.text = entry.name
         holder.locationView.text = entry.location
         if (entry.duration != "null") {
@@ -44,6 +44,8 @@ class ProjectsAdapter(
         }
     }
 
+    override fun getItemCount() = currentList.size
+
     class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
         val locationView: TextView = view.findViewById(R.id.item_location)
         val dateView: TextView = view.findViewById(R.id.item_date)