[UI] Refactor Grades, Notifications, Homework fragments to better match unified templates.

app/src/main/java/pl/szczodrzynski/edziennik/Extensions.kt

@@ -40,6 +40,9 @@ import androidx.core.util.forEach
 import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.RecyclerView
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+import androidx.viewpager.widget.ViewPager
 import com.google.android.gms.security.ProviderInstaller
 import com.google.gson.JsonArray
 import com.google.gson.JsonElement
@@ -141,6 +144,10 @@ fun CharSequence?.isNotNullNorEmpty(): Boolean {
     return this != null && this.isNotEmpty()
 }
 
+fun <T> Collection<T>?.isNotNullNorEmpty(): Boolean {
+    return this != null && this.isNotEmpty()
+}
+
 fun CharSequence?.isNotNullNorBlank(): Boolean {
     return this != null && this.isNotBlank()
 }
@@ -1167,3 +1174,19 @@ fun TextView.getTextPosition(range: IntRange): Rect {
 
     return parentTextViewRect
 }
+
+inline fun ViewPager.addOnPageSelectedListener(crossinline block: (position: Int) -> Unit) = addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
+    override fun onPageScrollStateChanged(state: Int) {}
+    override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {}
+    override fun onPageSelected(position: Int) { block(position) }
+})
+
+val SwipeRefreshLayout.onScrollListener: RecyclerView.OnScrollListener
+    get() = object : RecyclerView.OnScrollListener() {
+        override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
+            if (recyclerView.canScrollVertically(-1))
+                this@onScrollListener.isEnabled = false
+            if (!recyclerView.canScrollVertically(-1) && newState == RecyclerView.SCROLL_STATE_IDLE)
+                this@onScrollListener.isEnabled = true
+        }
+    }

app/src/main/java/pl/szczodrzynski/edziennik/MainActivity.kt

@@ -61,7 +61,7 @@ import pl.szczodrzynski.edziennik.ui.modules.behaviour.BehaviourFragment
 import pl.szczodrzynski.edziennik.ui.modules.error.ErrorSnackbar
 import pl.szczodrzynski.edziennik.ui.modules.feedback.FeedbackFragment
 import pl.szczodrzynski.edziennik.ui.modules.feedback.HelpFragment
-import pl.szczodrzynski.edziennik.ui.modules.grades.GradesFragment
+import pl.szczodrzynski.edziennik.ui.modules.grades.GradesListFragment
 import pl.szczodrzynski.edziennik.ui.modules.grades.editor.GradesEditorFragment
 import pl.szczodrzynski.edziennik.ui.modules.home.HomeFragment
 import pl.szczodrzynski.edziennik.ui.modules.homework.HomeworkFragment
@@ -70,7 +70,7 @@ import pl.szczodrzynski.edziennik.ui.modules.messages.MessageFragment
 import pl.szczodrzynski.edziennik.ui.modules.messages.MessagesComposeFragment
 import pl.szczodrzynski.edziennik.ui.modules.messages.MessagesFragment
 import pl.szczodrzynski.edziennik.ui.modules.messages.MessagesListFragment
-import pl.szczodrzynski.edziennik.ui.modules.notifications.NotificationsFragment
+import pl.szczodrzynski.edziennik.ui.modules.notifications.NotificationsListFragment
 import pl.szczodrzynski.edziennik.ui.modules.settings.ProfileManagerFragment
 import pl.szczodrzynski.edziennik.ui.modules.settings.SettingsNewFragment
 import pl.szczodrzynski.edziennik.ui.modules.template.TemplateFragment
@@ -155,7 +155,7 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
                     .withBadgeTypeId(TYPE_EVENT)
                     .isInDrawer(true)
 
-            list += NavTarget(DRAWER_ITEM_GRADES, R.string.menu_grades, GradesFragment::class)
+            list += NavTarget(DRAWER_ITEM_GRADES, R.string.menu_grades, GradesListFragment::class)
                     .withIcon(CommunityMaterial.Icon2.cmd_numeric_5_box_outline)
                     .withBadgeTypeId(TYPE_GRADE)
                     .isInDrawer(true)
@@ -187,7 +187,7 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
 
 
             // static drawer items
-            list += NavTarget(DRAWER_ITEM_NOTIFICATIONS, R.string.menu_notifications, NotificationsFragment::class)
+            list += NavTarget(DRAWER_ITEM_NOTIFICATIONS, R.string.menu_notifications, NotificationsListFragment::class)
                     .withIcon(CommunityMaterial.Icon.cmd_bell_ring_outline)
                     .isInDrawer(true)
                     .isStatic(true)
@@ -1077,6 +1077,7 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
                 .also { if (target.icon != null) it.withIcon(target.icon!!) }
                 .also { if (target.title != null) it.withAppTitle(getString(target.title!!)) }
                 .also { if (target.badgeTypeId != null) it.withBadgeStyle(drawer.badgeStyle)}
+                .withSelectedBackgroundAnimated(false)
 
         if (target.badgeTypeId != null)
             drawer.addUnreadCounterType(target.badgeTypeId!!, target.id)

app/src/main/java/pl/szczodrzynski/edziennik/data/db/dao/EventDao.kt

@@ -65,7 +65,7 @@ abstract class EventDao : BaseDao<Event, EventFull> {
     fun getAllByDate(profileId: Int, date: Date) =
             getRaw("$QUERY WHERE $NOT_BLACKLISTED AND events.profileId = $profileId AND eventDate = '${date.stringY_m_d}' $ORDER_BY")
     fun getAllByDateTime(profileId: Int, date: Date, time: Time) =
-            getRaw("$QUERY WHERE $NOT_BLACKLISTED AND events.profileId = $profileId AND eventDate = '${date.stringY_m_d}' AND eventTime = ${time.stringValue}")
+            getRaw("$QUERY WHERE $NOT_BLACKLISTED AND events.profileId = $profileId AND eventDate = '${date.stringY_m_d}' AND eventTime = '${time.stringValue}'")
     fun getNearestNotDone(profileId: Int, today: Date, limit: Int) =
             getRaw("$QUERY WHERE $NOT_BLACKLISTED AND $NOT_DONE AND events.profileId = $profileId AND eventDate >= '${today.stringY_m_d}' $ORDER_BY LIMIT $limit")
 

app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/day/DayDialog.kt

@@ -146,6 +146,11 @@ class DayDialog(
 
         adapter = EventListAdapter(
                 activity,
+                showWeekDay = false,
+                showDate = false,
+                showType = true,
+                showTime = true,
+                showSubject = true,
                 onItemClick = {
                     EventDetailsDialog(
                             activity,

app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListAdapter.kt

@@ -9,6 +9,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import pl.szczodrzynski.edziennik.*
 import pl.szczodrzynski.edziennik.data.db.full.EventFull
@@ -19,8 +20,11 @@ import pl.szczodrzynski.edziennik.utils.models.Week
 class EventListAdapter(
         val context: Context,
         val simpleMode: Boolean = false,
-        val showDate: Boolean = false,
         val showWeekDay: Boolean = false,
+        val showDate: Boolean = false,
+        val showType: Boolean = true,
+        val showTime: Boolean = true,
+        val showSubject: Boolean = true,
         val onItemClick: ((event: EventFull) -> Unit)? = null,
         val onEventEditClick: ((event: EventFull) -> Unit)? = null
 ) : RecyclerView.Adapter<EventListAdapter.ViewHolder>() {
@@ -52,9 +56,9 @@ class EventListAdapter(
         b.details.text = mutableListOf<CharSequence?>(
                 if (showWeekDay) Week.getFullDayName(event.date.weekDay) else null,
                 if (showDate) event.date.getRelativeString(context, 7) ?: event.date.formattedStringShort else null,
-                event.typeName,
+                if (showType) event.typeName else null,
-                if (simpleMode) null else event.time?.stringHM ?: app.getString(R.string.event_all_day),
+                if (showTime) event.time?.stringHM ?: app.getString(R.string.event_all_day) else null,
-                if (simpleMode) null else event.subjectLongName
+                if (showSubject) event.subjectLongName else null
         ).concat(bullet)
 
         b.addedBy.setText(
@@ -73,6 +77,7 @@ class EventListAdapter(
         )
 
         b.typeColor.background?.setTintColor(event.eventColor)
+        b.typeColor.isVisible = showType
 
         b.editButton.visibility = if (event.addedManually && !simpleMode) View.VISIBLE else View.GONE
         b.editButton.onClick {

app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/LessonDetailsDialog.kt

@@ -170,6 +170,11 @@ class LessonDetailsDialog(
 
         adapter = EventListAdapter(
                 activity,
+                showWeekDay = false,
+                showDate = false,
+                showType = true,
+                showTime = true,
+                showSubject = true,
                 onItemClick = {
                     EventDetailsDialog(
                             activity,

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/lazypager/FragmentLazyPagerAdapter.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-3-30.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.base.lazypager
+
+import androidx.fragment.app.FragmentManager
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+
+class FragmentLazyPagerAdapter(
+        fragmentManager: FragmentManager,
+        swipeRefreshLayout: SwipeRefreshLayout,
+        private val fragments: List<Pair<LazyFragment, CharSequence>>
+) : LazyPagerAdapter(fragmentManager, swipeRefreshLayout) {
+    override fun getPage(position: Int) = fragments[position].first
+    override fun getPageTitle(position: Int) = fragments[position].second
+    override fun getCount() = fragments.size
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/lazypager/LazyFragment.kt

@@ -5,6 +5,7 @@
 package pl.szczodrzynski.edziennik.ui.modules.base.lazypager
 
 import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.RecyclerView
 
 abstract class LazyFragment : Fragment() {
     private var isPageCreated = false
@@ -25,12 +26,27 @@ abstract class LazyFragment : Fragment() {
     fun disableSwipeToRefresh() = swipeRefreshLayoutCallback?.invoke(position, false)
     fun setSwipeToRefresh(enabled: Boolean) = swipeRefreshLayoutCallback?.invoke(position, enabled)
 
+    val onScrollListener: RecyclerView.OnScrollListener
+        get() = object : RecyclerView.OnScrollListener() {
+            override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
+                if (recyclerView.canScrollVertically(-1))
+                    disableSwipeToRefresh()
+                if (!recyclerView.canScrollVertically(-1) && newState == RecyclerView.SCROLL_STATE_IDLE)
+                    enableSwipeToRefresh()
+            }
+        }
+
     internal fun createPage() {
         if (!isPageCreated && isAdded) {
             isPageCreated = onPageCreated()
         }
     }
 
+    override fun onDestroyView() {
+        isPageCreated = false
+        super.onDestroyView()
+    }
+
     override fun onResume() {
         createPage()
         super.onResume()

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/lazypager/LazyViewPager.kt

@@ -12,7 +12,7 @@ class LazyViewPager @JvmOverloads constructor(
         context: Context, attrs: AttributeSet? = null
 ) : ViewPager(context, attrs) {
 
-    var pageSelection = -1
+    private var pageSelection = -1
 
     init {
         addOnPageChangeListener(object : OnPageChangeListener {

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/grades/GradesListFragment.kt

@@ -10,11 +10,10 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
+import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import androidx.recyclerview.widget.RecyclerView.SCROLL_STATE_IDLE
 import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial
 import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial.Icon2
 import kotlinx.coroutines.*
@@ -23,7 +22,7 @@ import pl.szczodrzynski.edziennik.MainActivity.Companion.TARGET_GRADES_EDITOR
 import pl.szczodrzynski.edziennik.data.db.entity.Grade
 import pl.szczodrzynski.edziennik.data.db.entity.Metadata.TYPE_GRADE
 import pl.szczodrzynski.edziennik.data.db.full.GradeFull
-import pl.szczodrzynski.edziennik.databinding.GradesFragmentBinding
+import pl.szczodrzynski.edziennik.databinding.GradesListFragmentBinding
 import pl.szczodrzynski.edziennik.ui.dialogs.grade.GradeDetailsDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.settings.GradesConfigDialog
 import pl.szczodrzynski.edziennik.ui.modules.grades.models.GradesAverages
@@ -36,24 +35,20 @@ import pl.szczodrzynski.navlib.bottomsheet.items.BottomSheetSeparatorItem
 import kotlin.coroutines.CoroutineContext
 import kotlin.math.max
 
-
+class GradesListFragment : Fragment(), CoroutineScope {
-class GradesFragment : Fragment(), CoroutineScope {
     companion object {
         private const val TAG = "GradesFragment"
     }
 
     private lateinit var app: App
     private lateinit var activity: MainActivity
-    private lateinit var b: GradesFragmentBinding
+    private lateinit var b: GradesListFragmentBinding
 
     private val job: Job = Job()
     override val coroutineContext: CoroutineContext
         get() = job + Dispatchers.Main
 
     // local/private variables go here
-    private val adapter by lazy {
-        GradesAdapter(activity)
-    }
     private val manager by lazy { app.gradesManager }
     private val dontCountEnabled by lazy { manager.dontCountEnabled }
     private val dontCountGrades by lazy { manager.dontCountGrades }
@@ -63,51 +58,49 @@ class GradesFragment : Fragment(), CoroutineScope {
         activity = (getActivity() as MainActivity?) ?: return null
         context ?: return null
         app = activity.application as App
-        b = GradesFragmentBinding.inflate(inflater)
+        b = GradesListFragmentBinding.inflate(inflater)
         b.refreshLayout.setParent(activity.swipeRefreshLayout)
         return b.root
     }
 
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) { startCoroutineTimer(100L) {
-        if (!isAdded)
+        if (!isAdded) return@startCoroutineTimer
-            return
 
         expandSubjectId = arguments?.getLong("gradesSubjectId") ?: 0L
 
-        app.db.gradeDao()
+        val adapter = GradesAdapter(activity)
-                .getAllOrderBy(App.profileId, app.gradesManager.getOrderByString())
+        var firstRun = true
-                .observe(this, Observer { grades ->
+
-                    if (b.gradesRecyclerView.adapter == null) {
+        app.db.gradeDao().getAllOrderBy(App.profileId, app.gradesManager.getOrderByString()).observe(this, Observer { items -> launch {
-                        b.gradesRecyclerView.adapter = adapter
+            if (!isAdded) return@launch
-                        b.gradesRecyclerView.apply {
+
+            // load & configure the adapter
+            adapter.items = withContext(Dispatchers.Default) { processGrades(items) }
+            if (items.isNotNullNorEmpty() && b.list.adapter == null) {
+                b.list.adapter = adapter
+                b.list.apply {
                     setHasFixedSize(true)
                     layoutManager = LinearLayoutManager(context)
-                            //addItemDecoration(SimpleDividerItemDecoration(context))
+                    addOnScrollListener(b.refreshLayout.onScrollListener)
-                            addOnScrollListener(object : RecyclerView.OnScrollListener() {
-                                override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
-                                    if (recyclerView.canScrollVertically(-1)) {
-                                        b.refreshLayout.isEnabled = false
-                                    }
-                                    if (!recyclerView.canScrollVertically(-1) && newState == SCROLL_STATE_IDLE) {
-                                        b.refreshLayout.isEnabled = true
                 }
             }
-                            })
+            adapter.notifyDataSetChanged()
-                        }
+
+            if (firstRun) {
+                expandSubject(adapter)
+                firstRun = false
             }
 
-                    launch(Dispatchers.Default) {
+            // show/hide relevant views
-                        processGrades(grades)
+            b.progressBar.isVisible = false
-                    }
+            if (items.isNullOrEmpty()) {
-
+                b.list.isVisible = false
-                    if (grades != null && grades.isNotEmpty()) {
+                b.noData.isVisible = true
-                        b.gradesRecyclerView.visibility = View.VISIBLE
-                        b.gradesNoData.visibility = View.GONE
             } else {
-                        b.gradesRecyclerView.visibility = View.GONE
+                b.list.isVisible = true
-                        b.gradesNoData.visibility = View.VISIBLE
+                b.noData.isVisible = false
             }
-                })
+        }})
 
         adapter.onGradeClick = {
             GradeDetailsDialog(activity, it)
@@ -153,10 +146,30 @@ class GradesFragment : Fragment(), CoroutineScope {
                         })
         )
         activity.gainAttention()
+    }}
+
+    private fun expandSubject(adapter: GradesAdapter) {
+        var expandSubjectModel: GradesSubject? = null
+        if (expandSubjectId != 0L) {
+            expandSubjectModel = adapter.items.firstOrNull { it is GradesSubject && it.subjectId == expandSubjectId } as? GradesSubject
+            adapter.expandModel(
+                    model = expandSubjectModel,
+                    view = null,
+                    notifyAdapter = false
+            )
+        }
+
+        startCoroutineTimer(500L) {
+            if (expandSubjectModel != null) {
+                b.list.smoothScrollToPosition(
+                        adapter.items.indexOf(expandSubjectModel) + expandSubjectModel.semesters.size + (expandSubjectModel.semesters.firstOrNull()?.grades?.size ?: 0)
+                )
+            }
+        }
     }
 
     @Suppress("SuspendFunctionOnCoroutineScope")
-    private suspend fun processGrades(grades: List<GradeFull>) {
+    private fun processGrades(grades: List<GradeFull>): MutableList<Any> {
         val items = mutableListOf<GradesSubject>()
 
         var subjectId = -1L
@@ -284,30 +297,7 @@ class GradesFragment : Fragment(), CoroutineScope {
             GradesManager.ORDER_BY_DATE_ASC -> items.sortBy { it.lastAddedDate }
         }
 
-        adapter.items = items.toMutableList()
+        return (items + stats).toMutableList()
-        adapter.items.add(stats)
-
-        var expandSubjectModel: GradesSubject? = null
-        if (expandSubjectId != 0L) {
-            expandSubjectModel = items.firstOrNull { it.subjectId == expandSubjectId }
-            adapter.expandModel(
-                    model = expandSubjectModel,
-                    view = null,
-                    notifyAdapter = false
-            )
-        }
-
-        withContext(Dispatchers.Main) {
-            adapter.notifyDataSetChanged()
-        }
-
-        startCoroutineTimer(500L, 0L) {
-            if (expandSubjectModel != null) {
-                b.gradesRecyclerView.smoothScrollToPosition(
-                        items.indexOf(expandSubjectModel) + expandSubjectModel.semesters.size + (expandSubjectModel.semesters.firstOrNull()?.grades?.size ?: 0)
-                )
-            }
-        }
     }
 
     private fun countGrade(grade: Grade, averages: GradesAverages) {

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/cards/HomeEventsCard.kt

@@ -60,8 +60,11 @@ class HomeEventsCard(
         adapter = EventListAdapter(
                 activity,
                 simpleMode = true,
-                showDate = true,
                 showWeekDay = true,
+                showDate = true,
+                showType = true,
+                showTime = false,
+                showSubject = false,
                 onItemClick = {
                     EventDetailsDialog(
                             activity,

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/homework/HomeworkFragment.kt

@@ -1,3 +1,7 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-3-30.
+ */
+
 package pl.szczodrzynski.edziennik.ui.modules.homework
 
 import android.os.AsyncTask
@@ -7,46 +11,48 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
 import androidx.fragment.app.Fragment
-import androidx.viewpager.widget.ViewPager
 import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial
 import com.mikepenz.iconics.typeface.library.szkolny.font.SzkolnyFont
-import pl.szczodrzynski.edziennik.App
+import kotlinx.coroutines.CoroutineScope
-import pl.szczodrzynski.edziennik.MainActivity
+import kotlinx.coroutines.Dispatchers
-import pl.szczodrzynski.edziennik.R
+import kotlinx.coroutines.Job
+import pl.szczodrzynski.edziennik.*
 import pl.szczodrzynski.edziennik.data.db.entity.Event
 import pl.szczodrzynski.edziennik.data.db.entity.Metadata
-import pl.szczodrzynski.edziennik.databinding.FragmentHomeworkBinding
+import pl.szczodrzynski.edziennik.databinding.HomeworkFragmentBinding
 import pl.szczodrzynski.edziennik.ui.dialogs.event.EventManualDialog
-import pl.szczodrzynski.edziennik.ui.modules.messages.MessagesFragment
+import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.FragmentLazyPagerAdapter
-import pl.szczodrzynski.edziennik.utils.Themes
 import pl.szczodrzynski.navlib.bottomsheet.items.BottomSheetPrimaryItem
 import pl.szczodrzynski.navlib.bottomsheet.items.BottomSheetSeparatorItem
+import kotlin.coroutines.CoroutineContext
 
-class HomeworkFragment : Fragment() {
+class HomeworkFragment : Fragment(), CoroutineScope {
     companion object {
+        private const val TAG = "HomeworkFragment"
         var pageSelection = 0
     }
 
     private lateinit var app: App
     private lateinit var activity: MainActivity
-    private lateinit var b: FragmentHomeworkBinding
+    private lateinit var b: HomeworkFragmentBinding
+
+    private val job: Job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    // local/private variables go here
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         activity = (getActivity() as MainActivity?) ?: return null
-        if (context == null)
+        context ?: return null
-            return null
         app = activity.application as App
-        context!!.theme.applyStyle(Themes.appTheme, true)
+        b = HomeworkFragmentBinding.inflate(inflater)
-        // activity, context and profile is valid
-        b = FragmentHomeworkBinding.inflate(inflater)
         b.refreshLayout.setParent(activity.swipeRefreshLayout)
         return b.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        // TODO check if app, activity, b can be null
+        if (!isAdded) return
-        if (app.profile == null || !isAdded)
-            return
 
         activity.bottomSheet.prependItems(
                 BottomSheetPrimaryItem(true)
@@ -67,31 +73,28 @@ class HomeworkFragment : Fragment() {
                     Toast.makeText(activity, R.string.main_menu_mark_as_read_success, Toast.LENGTH_SHORT).show()
                 }))
 
-        b.viewPager.adapter = MessagesFragment.Adapter(childFragmentManager, b.refreshLayout).also { adapter ->
+        val pagerAdapter = FragmentLazyPagerAdapter(
+                fragmentManager ?: return,
+                b.refreshLayout,
+                listOf(
+                        HomeworkListFragment().apply {
+                            arguments = Bundle("homeworkDate" to HomeworkDate.CURRENT)
+                        } to getString(R.string.homework_tab_current),
 
-            adapter.addFragment(HomeworkListFragment().also { fragment ->
+                        HomeworkListFragment().apply {
-                fragment.arguments = Bundle().also {  args ->
+                            arguments = Bundle("homeworkDate" to HomeworkDate.PAST)
-                    args.putInt("homeworkDate", HomeworkDate.CURRENT)
+                        } to getString(R.string.homework_tab_past)
+                )
+        )
+        b.viewPager.apply {
+            offscreenPageLimit = 1
+            adapter = pagerAdapter
+            currentItem = pageSelection
+            addOnPageSelectedListener {
+                pageSelection = it
             }
-            }, getString(R.string.homework_tab_current))
+            b.tabLayout.setupWithViewPager(this)
-
-            adapter.addFragment(HomeworkListFragment().also { fragment ->
-                fragment.arguments = Bundle().also {  args ->
-                    args.putInt("homeworkDate", HomeworkDate.PAST)
         }
-            }, getString(R.string.homework_tab_past))
-        }
-
-        b.viewPager.currentItem = pageSelection
-        b.viewPager.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
-            override fun onPageScrollStateChanged(state: Int) {}
-            override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {}
-            override fun onPageSelected(position: Int) {
-                pageSelection = position
-            }
-        })
-
-        b.tabLayout.setupWithViewPager(b.viewPager)
 
         activity.navView.apply {
             bottomBar.apply {

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/homework/HomeworkListFragment.kt

@@ -4,75 +4,105 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.isVisible
 import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
+import kotlinx.coroutines.CoroutineScope
-import pl.szczodrzynski.edziennik.App
+import kotlinx.coroutines.Dispatchers
-import pl.szczodrzynski.edziennik.MainActivity
+import kotlinx.coroutines.Job
+import pl.szczodrzynski.edziennik.*
 import pl.szczodrzynski.edziennik.data.db.entity.Event
-import pl.szczodrzynski.edziennik.databinding.HomeworkListBinding
+import pl.szczodrzynski.edziennik.databinding.HomeworkListFragmentBinding
-import pl.szczodrzynski.edziennik.getInt
+import pl.szczodrzynski.edziennik.ui.dialogs.event.EventDetailsDialog
+import pl.szczodrzynski.edziennik.ui.dialogs.event.EventListAdapter
+import pl.szczodrzynski.edziennik.ui.dialogs.event.EventManualDialog
 import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.LazyFragment
+import pl.szczodrzynski.edziennik.utils.SimpleDividerItemDecoration
 import pl.szczodrzynski.edziennik.utils.models.Date
+import kotlin.coroutines.CoroutineContext
 
-class HomeworkListFragment : LazyFragment() {
+class HomeworkListFragment : LazyFragment(), CoroutineScope {
+    companion object {
+        private const val TAG = "HomeworkListFragment"
+    }
 
     private lateinit var app: App
     private lateinit var activity: MainActivity
-    private lateinit var b: HomeworkListBinding
+    private lateinit var b: HomeworkListFragmentBinding
 
-    private var homeworkDate = HomeworkDate.CURRENT
+    private val job: Job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    // local/private variables go here
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         activity = (getActivity() as MainActivity?) ?: return null
         context ?: return null
         app = activity.application as App
-        b = HomeworkListBinding.inflate(inflater)
+        b = HomeworkListFragmentBinding.inflate(inflater)
         return b.root
     }
 
-    override fun onPageCreated(): Boolean {
+    override fun onPageCreated(): Boolean { startCoroutineTimer(100L) {
-        if (arguments != null) {
+        val homeworkDate = arguments.getInt("homeworkDate", HomeworkDate.CURRENT)
-            homeworkDate = arguments.getInt("homeworkDate", HomeworkDate.CURRENT)
-        }
-
-        val layoutManager = LinearLayoutManager(context)
-        layoutManager.reverseLayout = homeworkDate == HomeworkDate.PAST
-        layoutManager.stackFromEnd = homeworkDate == HomeworkDate.PAST
-
-        b.homeworkView.setHasFixedSize(true)
-        b.homeworkView.layoutManager = layoutManager
-        b.homeworkView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
-            override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
-                if (recyclerView.canScrollVertically(-1)) {
-                    setSwipeToRefresh(false)
-                }
-                if (!recyclerView.canScrollVertically(-1) && newState == RecyclerView.SCROLL_STATE_IDLE) {
-                    setSwipeToRefresh(true)
-                }
-            }
-        })
 
+        val today = Date.getToday()
         val filter = when(homeworkDate) {
-            HomeworkDate.CURRENT -> "eventDate >= '" + Date.getToday().stringY_m_d + "'"
+            HomeworkDate.CURRENT -> "eventDate >= '${today.stringY_m_d}'"
-            else -> "eventDate < '" + Date.getToday().stringY_m_d + "'"
+            else -> "eventDate < '${today.stringY_m_d}'"
         }
 
-        app.db.eventDao()
+        val adapter = EventListAdapter(
-                .getAllByType(App.profileId, Event.TYPE_HOMEWORK, filter)
+                activity,
-                .observe(this, Observer { homeworkList ->
+                showWeekDay = true,
+                showDate = true,
+                showType = false,
+                showTime = true,
+                showSubject = true,
+                onItemClick = {
+                    EventDetailsDialog(
+                            activity,
+                            it
+                    )
+                },
+                onEventEditClick = {
+                    EventManualDialog(
+                            activity,
+                            it.profileId,
+                            editingEvent = it
+                    )
+                }
+        )
+
+        app.db.eventDao().getAllByType(App.profileId, Event.TYPE_HOMEWORK, filter).observe(this@HomeworkListFragment, Observer { items ->
             if (!isAdded) return@Observer
 
-                    if (homeworkList != null && homeworkList.size > 0) {
+            // load & configure the adapter
-                        val adapter = HomeworkAdapter(context, homeworkList)
+            adapter.items = items
-                        b.homeworkView.adapter = adapter
+            if (items.isNotNullNorEmpty() && b.list.adapter == null) {
-                        b.homeworkView.visibility = View.VISIBLE
+                b.list.adapter = adapter
-                        b.homeworkNoData.visibility = View.GONE
+                b.list.apply {
+                    setHasFixedSize(true)
+                    layoutManager = LinearLayoutManager(context).apply {
+                        reverseLayout = homeworkDate == HomeworkDate.PAST
+                        stackFromEnd = homeworkDate == HomeworkDate.PAST
+                    }
+                    addItemDecoration(SimpleDividerItemDecoration(context))
+                    addOnScrollListener(onScrollListener)
+                }
+            }
+            adapter.notifyDataSetChanged()
+
+            // show/hide relevant views
+            b.progressBar.isVisible = false
+            if (items.isNullOrEmpty()) {
+                b.list.isVisible = false
+                b.noData.isVisible = true
             } else {
-                        b.homeworkView.visibility = View.GONE
+                b.list.isVisible = true
-                        b.homeworkNoData.visibility = View.VISIBLE
+                b.noData.isVisible = false
             }
         })
-        return true
+    }; return true }
-    }
 }

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/notifications/NotificationsAdapter.kt

@@ -1,71 +1,62 @@
 package pl.szczodrzynski.edziennik.ui.modules.notifications
 
-import android.app.Activity
-import android.content.Context
-import android.content.Intent
 import android.view.LayoutInflater
-import android.view.View
 import android.view.ViewGroup
-import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
-import android.widget.Toast
 import androidx.recyclerview.widget.RecyclerView
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
 import pl.szczodrzynski.edziennik.*
 import pl.szczodrzynski.edziennik.data.db.entity.Notification
-import pl.szczodrzynski.edziennik.utils.Utils.d
+import pl.szczodrzynski.edziennik.databinding.NotificationsListItemBinding
 import pl.szczodrzynski.edziennik.utils.models.Date
+import kotlin.coroutines.CoroutineContext
 
 class NotificationsAdapter(
-        private val context: Context
+        private val activity: AppCompatActivity,
-) : RecyclerView.Adapter<NotificationsAdapter.ViewHolder>() {
+        val onItemClick: ((item: Notification) -> Unit)? = null
+) : RecyclerView.Adapter<NotificationsAdapter.ViewHolder>(), CoroutineScope {
     companion object {
         private const val TAG = "NotificationsAdapter"
     }
 
+    private val app = activity.applicationContext as App
+    // optional: place the manager here
+
+    private val job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
     var items = listOf<Notification>()
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        val inflater = LayoutInflater.from(context)
+        val inflater = LayoutInflater.from(activity)
-        val view = inflater.inflate(R.layout.row_notifications_item, parent, false)
+        val view = NotificationsListItemBinding.inflate(inflater, parent, false)
         return ViewHolder(view)
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        val app = context.applicationContext as App
+        val item = items[position]
+        val b = holder.b
 
-        val notification = items[position]
+        val date = Date.fromMillis(item.addedDate).formattedString
+        val colorSecondary = android.R.attr.textColorSecondary.resolveAttr(activity)
 
-        val date = Date.fromMillis(notification.addedDate).formattedString
+        b.title.text = item.text
-        val colorSecondary = android.R.attr.textColorSecondary.resolveAttr(context)
+        b.profileDate.text = listOf(
-
+                item.profileName ?: "",
-        holder.title.text = notification.text
-        holder.profileDate.text = listOf(
-                notification.profileName ?: "",
                 " • ",
-                date.asColoredSpannable(colorSecondary)
+                date
-        ).concat()
+        ).concat().asColoredSpannable(colorSecondary)
-        holder.type.text = context.getNotificationTitle(notification.type)
+        b.type.text = activity.getNotificationTitle(item.type)
 
-        holder.root.onClick {
+        onItemClick?.let { listener ->
-            val intent = Intent("android.intent.action.MAIN")
+            b.root.onClick { listener(item) }
-            notification.fillIntent(intent)
-
-            d(TAG, "notification with item " + notification.viewId + " extras " + if (intent.extras == null) "null" else intent.extras!!.toString())
-
-            //Log.d(TAG, "Got date "+intent.getLongExtra("timetableDate", 0));
-
-            if (notification.profileId != null && notification.profileId != -1 && notification.profileId != app.profile.id && context is Activity) {
-                Toast.makeText(app, app.getString(R.string.toast_changing_profile), Toast.LENGTH_LONG).show()
-            }
-            app.sendBroadcast(intent)
         }
     }
 
     override fun getItemCount() = items.size
 
-    class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+    class ViewHolder(val b: NotificationsListItemBinding) : RecyclerView.ViewHolder(b.root)
-        var root = itemView
-        var title: TextView = itemView.findViewById(R.id.title)
-        var profileDate: TextView = itemView.findViewById(R.id.profileDate)
-        var type: TextView = itemView.findViewById(R.id.type)
-    }
 }

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/notifications/NotificationsFragment.kt

@@ -1,87 +0,0 @@
-/*
- * Copyright (c) Kuba Szczodrzyński 2019-11-22.
- */
-
-package pl.szczodrzynski.edziennik.ui.modules.notifications
-
-import android.os.AsyncTask
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.Toast
-import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
-import androidx.recyclerview.widget.LinearLayoutManager
-import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial
-import pl.szczodrzynski.edziennik.App
-import pl.szczodrzynski.edziennik.MainActivity
-import pl.szczodrzynski.edziennik.R
-import pl.szczodrzynski.edziennik.databinding.FragmentNotificationsBinding
-import pl.szczodrzynski.edziennik.utils.SimpleDividerItemDecoration
-import pl.szczodrzynski.edziennik.utils.Themes
-import pl.szczodrzynski.navlib.bottomsheet.items.BottomSheetPrimaryItem
-
-
-class NotificationsFragment : Fragment() {
-    private lateinit var app: App
-    private lateinit var activity: MainActivity
-    private lateinit var b: FragmentNotificationsBinding
-
-    private val adapter by lazy {
-        NotificationsAdapter(activity)
-    }
-
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        activity = (getActivity() as MainActivity?) ?: return null
-        context ?: return null
-        app = activity.application as App
-        context!!.theme.applyStyle(Themes.appTheme, true)
-        if (app.profile == null)
-            return inflater.inflate(R.layout.fragment_loading, container, false)
-        // activity, context and profile is valid
-        b = FragmentNotificationsBinding.inflate(inflater)
-        return b.root
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        // TODO check if app, activity, b can be null
-        if (app.profile == null || !isAdded)
-            return
-
-        activity.bottomSheet.prependItems(
-                BottomSheetPrimaryItem(true)
-                        .withTitle(R.string.menu_remove_notifications)
-                        .withIcon(CommunityMaterial.Icon.cmd_delete_sweep_outline)
-                        .withOnClickListener(View.OnClickListener {
-                            activity.bottomSheet.close()
-                            AsyncTask.execute { app.db.notificationDao().clearAll() }
-                            Toast.makeText(activity, R.string.menu_remove_notifications_success, Toast.LENGTH_SHORT).show()
-                        }))
-
-        app.db.notificationDao()
-                .getAll()
-                .observe(this, Observer { notifications ->
-                    if (app.profile == null || !isAdded) return@Observer
-
-                    adapter.items = notifications
-                    if (b.notificationsView.adapter == null) {
-                        b.notificationsView.adapter = adapter
-                        b.notificationsView.apply {
-                            setHasFixedSize(true)
-                            layoutManager = LinearLayoutManager(context)
-                            addItemDecoration(SimpleDividerItemDecoration(context))
-                        }
-                    }
-                    adapter.notifyDataSetChanged()
-
-                    if (notifications != null && notifications.isNotEmpty()) {
-                        b.notificationsView.visibility = View.VISIBLE
-                        b.notificationsNoData.visibility = View.GONE
-                    } else {
-                        b.notificationsView.visibility = View.GONE
-                        b.notificationsNoData.visibility = View.VISIBLE
-                    }
-                })
-    }
-}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/notifications/NotificationsListFragment.kt

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2019-11-22.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.notifications
+
+import android.app.Activity
+import android.content.Intent
+import android.os.AsyncTask
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.core.view.isVisible
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.databinding.NotificationsListFragmentBinding
+import pl.szczodrzynski.edziennik.utils.SimpleDividerItemDecoration
+import pl.szczodrzynski.edziennik.utils.Utils
+import pl.szczodrzynski.navlib.bottomsheet.items.BottomSheetPrimaryItem
+import kotlin.coroutines.CoroutineContext
+
+class NotificationsListFragment : Fragment(), CoroutineScope {
+    companion object {
+        private const val TAG = "NotificationsListFragment"
+    }
+
+    private lateinit var app: App
+    private lateinit var activity: MainActivity
+    private lateinit var b: NotificationsListFragmentBinding
+
+    private val job: Job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        activity = (getActivity() as MainActivity?) ?: return null
+        context ?: return null
+        app = activity.application as App
+        b = NotificationsListFragmentBinding.inflate(inflater)
+        return b.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) { startCoroutineTimer(100L) {
+        if (!isAdded) return@startCoroutineTimer
+
+        activity.bottomSheet.prependItems(
+                BottomSheetPrimaryItem(true)
+                        .withTitle(R.string.menu_remove_notifications)
+                        .withIcon(CommunityMaterial.Icon.cmd_delete_sweep_outline)
+                        .withOnClickListener(View.OnClickListener {
+                            activity.bottomSheet.close()
+                            AsyncTask.execute { app.db.notificationDao().clearAll() }
+                            Toast.makeText(activity, R.string.menu_remove_notifications_success, Toast.LENGTH_SHORT).show()
+                        }))
+
+        val adapter = NotificationsAdapter(activity) { notification ->
+            val intent = Intent("android.intent.action.MAIN")
+            notification.fillIntent(intent)
+
+            Utils.d(TAG, "notification with item " + notification.viewId + " extras " + if (intent.extras == null) "null" else intent.extras!!.toString())
+            if (notification.profileId != null && notification.profileId != -1 && notification.profileId != app.profile.id && context is Activity) {
+                Toast.makeText(app, app.getString(R.string.toast_changing_profile), Toast.LENGTH_LONG).show()
+            }
+            app.sendBroadcast(intent)
+        }
+
+        app.db.notificationDao().getAll().observe(this, Observer { items ->
+            if (!isAdded) return@Observer
+
+            // load & configure the adapter
+            adapter.items = items
+            if (items.isNotNullNorEmpty() && b.list.adapter == null) {
+                b.list.adapter = adapter
+                b.list.apply {
+                    setHasFixedSize(true)
+                    layoutManager = LinearLayoutManager(context)
+                    addItemDecoration(SimpleDividerItemDecoration(context))
+                }
+            }
+            adapter.notifyDataSetChanged()
+
+            // show/hide relevant views
+            b.progressBar.isVisible = false
+            if (items.isNullOrEmpty()) {
+                b.list.isVisible = false
+                b.noData.isVisible = true
+            } else {
+                b.list.isVisible = true
+                b.noData.isVisible = false
+            }
+        })
+    }}
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/template/TemplateAdapter.kt

@@ -11,16 +11,19 @@ import androidx.recyclerview.widget.RecyclerView
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.data.db.entity.Notification
 import pl.szczodrzynski.edziennik.databinding.TemplateListItemBinding
-import pl.szczodrzynski.edziennik.onClick
+import pl.szczodrzynski.edziennik.utils.models.Date
 import kotlin.coroutines.CoroutineContext
 
 class TemplateAdapter(
         val activity: AppCompatActivity,
-        val onItemClick: ((item: TemplateItem) -> Unit)? = null,
+        val onItemClick: ((item: Notification) -> Unit)? = null
-        val onItemButtonClick: ((item: TemplateItem) -> Unit)? = null
 ) : RecyclerView.Adapter<TemplateAdapter.ViewHolder>(), CoroutineScope {
+    companion object {
+        private const val TAG = "TemplateAdapter"
+    }
 
     private val app = activity.applicationContext as App
     // optional: place the manager here
@@ -29,7 +32,7 @@ class TemplateAdapter(
     override val coroutineContext: CoroutineContext
         get() = job + Dispatchers.Main
 
-    var items = listOf<TemplateItem>()
+    var items = listOf<Notification>()
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
@@ -41,19 +44,23 @@ class TemplateAdapter(
         val item = items[position]
         val b = holder.b
 
+        val date = Date.fromMillis(item.addedDate).formattedString
+        val colorSecondary = android.R.attr.textColorSecondary.resolveAttr(activity)
+
+        b.title.text = item.text
+        b.profileDate.text = listOf(
+                item.profileName ?: "",
+                " • ",
+                date
+        ).concat().asColoredSpannable(colorSecondary)
+        b.type.text = activity.getNotificationTitle(item.type)
+
         onItemClick?.let { listener ->
             b.root.onClick { listener(item) }
         }
-
-        /*b.someButton.visibility = if (buttonVisible) View.VISIBLE else View.GONE
-        onItemButtonClick?.let { listener ->
-            b.someButton.onClick { listener(item) }
-        }*/
     }
 
     override fun getItemCount() = items.size
 
     class ViewHolder(val b: TemplateListItemBinding) : RecyclerView.ViewHolder(b.root)
-
-    data class TemplateItem(val text: String)
 }

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/template/TemplateFragment.kt

@@ -14,12 +14,16 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.MainActivity
+import pl.szczodrzynski.edziennik.addOnPageSelectedListener
 import pl.szczodrzynski.edziennik.databinding.TemplateFragmentBinding
+import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.FragmentLazyPagerAdapter
+import pl.szczodrzynski.edziennik.ui.modules.homework.HomeworkFragment
 import kotlin.coroutines.CoroutineContext
 
 class TemplateFragment : Fragment(), CoroutineScope {
     companion object {
         private const val TAG = "TemplateFragment"
+        var pageSelection = 0
     }
 
     private lateinit var app: App
@@ -42,17 +46,29 @@ class TemplateFragment : Fragment(), CoroutineScope {
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        if (!isAdded)
+        if (!isAdded) return
-            return
 
-        val pagerAdapter = TemplatePagerAdapter(
+        val pagerAdapter = FragmentLazyPagerAdapter(
                 fragmentManager ?: return,
-                b.refreshLayout
+                b.refreshLayout,
+                listOf(
+                        TemplatePageFragment() to "Pager 0",
+                        TemplatePageFragment() to "Pager 1",
+                        TemplatePageFragment() to "Pager 2",
+                        TemplatePageFragment() to "Pager 3",
+                        TemplateListPageFragment() to "Pager 4",
+                        TemplateListPageFragment() to "Pager 5",
+                        TemplateListPageFragment() to "Pager 6",
+                        TemplateListPageFragment() to "Pager 7"
+                )
         )
         b.viewPager.apply {
             offscreenPageLimit = 1
             adapter = pagerAdapter
-            currentItem = 4
+            currentItem = pageSelection
+            addOnPageSelectedListener {
+                HomeworkFragment.pageSelection = it
+            }
             b.tabLayout.setupWithViewPager(this)
         }
     }

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/template/TemplateListFragment.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-3-30.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.template
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.LinearLayoutManager
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.databinding.TemplateListFragmentBinding
+import pl.szczodrzynski.edziennik.utils.SimpleDividerItemDecoration
+import kotlin.coroutines.CoroutineContext
+
+class TemplateListFragment : Fragment(), CoroutineScope {
+    companion object {
+        private const val TAG = "TemplateListFragment"
+    }
+
+    private lateinit var app: App
+    private lateinit var activity: MainActivity
+    private lateinit var b: TemplateListFragmentBinding
+
+    private val job: Job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    // local/private variables go here
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        activity = (getActivity() as MainActivity?) ?: return null
+        context ?: return null
+        app = activity.application as App
+        b = TemplateListFragmentBinding.inflate(inflater)
+        b.refreshLayout.setParent(activity.swipeRefreshLayout)
+        return b.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) { startCoroutineTimer(100L) {
+        if (!isAdded) return@startCoroutineTimer
+
+        val adapter = TemplateAdapter(activity)
+
+        app.db.notificationDao().getAll().observe(this, Observer { items ->
+            if (!isAdded) return@Observer
+
+            // load & configure the adapter
+            adapter.items = items
+            if (items.isNotNullNorEmpty() && b.list.adapter == null) {
+                b.list.adapter = adapter
+                b.list.apply {
+                    setHasFixedSize(true)
+                    layoutManager = LinearLayoutManager(context)
+                    addItemDecoration(SimpleDividerItemDecoration(context))
+                    addOnScrollListener(b.refreshLayout.onScrollListener)
+                }
+            }
+            adapter.notifyDataSetChanged()
+
+            // show/hide relevant views
+            b.progressBar.isVisible = false
+            if (items.isNullOrEmpty()) {
+                b.list.isVisible = false
+                b.noData.isVisible = true
+            } else {
+                b.list.isVisible = true
+                b.noData.isVisible = false
+            }
+        })
+    }}
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/template/TemplateListPageFragment.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-3-30.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.template
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.LinearLayoutManager
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.MainActivity
+import pl.szczodrzynski.edziennik.databinding.TemplateListPageFragmentBinding
+import pl.szczodrzynski.edziennik.isNotNullNorEmpty
+import pl.szczodrzynski.edziennik.startCoroutineTimer
+import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.LazyFragment
+import pl.szczodrzynski.edziennik.utils.SimpleDividerItemDecoration
+import kotlin.coroutines.CoroutineContext
+
+class TemplateListPageFragment : LazyFragment(), CoroutineScope {
+    companion object {
+        private const val TAG = "TemplateListPagerFragment"
+    }
+
+    private lateinit var app: App
+    private lateinit var activity: MainActivity
+    private lateinit var b: TemplateListPageFragmentBinding
+
+    private val job: Job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    // local/private variables go here
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        activity = (getActivity() as MainActivity?) ?: return null
+        context ?: return null
+        app = activity.application as App
+        b = TemplateListPageFragmentBinding.inflate(inflater)
+        return b.root
+    }
+
+    override fun onPageCreated(): Boolean { startCoroutineTimer(100L) {
+        val adapter = TemplateAdapter(activity)
+
+        app.db.notificationDao().getAll().observe(this, Observer { items ->
+            if (!isAdded) return@Observer
+
+            // load & configure the adapter
+            adapter.items = items
+            if (items.isNotNullNorEmpty() && b.list.adapter == null) {
+                b.list.adapter = adapter
+                b.list.apply {
+                    setHasFixedSize(true)
+                    layoutManager = LinearLayoutManager(context)
+                    addItemDecoration(SimpleDividerItemDecoration(context))
+                    addOnScrollListener(onScrollListener)
+                }
+            }
+            adapter.notifyDataSetChanged()
+
+            // show/hide relevant views
+            b.progressBar.isVisible = false
+            if (items.isNullOrEmpty()) {
+                b.list.isVisible = false
+                b.noData.isVisible = true
+            } else {
+                b.list.isVisible = true
+                b.noData.isVisible = false
+            }
+        })
+    }; return true }
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/template/TemplatePageFragment.kt

@@ -13,18 +13,18 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.MainActivity
-import pl.szczodrzynski.edziennik.databinding.TemplatePagerFragmentBinding
+import pl.szczodrzynski.edziennik.databinding.TemplatePageFragmentBinding
 import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.LazyFragment
 import kotlin.coroutines.CoroutineContext
 
-class TemplatePagerFragment : LazyFragment(), CoroutineScope {
+class TemplatePageFragment : LazyFragment(), CoroutineScope {
     companion object {
         private const val TAG = "TemplatePagerFragment"
     }
 
     private lateinit var app: App
     private lateinit var activity: MainActivity
-    private lateinit var b: TemplatePagerFragmentBinding
+    private lateinit var b: TemplatePageFragmentBinding
 
     private val job: Job = Job()
     override val coroutineContext: CoroutineContext
@@ -36,7 +36,7 @@ class TemplatePagerFragment : LazyFragment(), CoroutineScope {
         activity = (getActivity() as MainActivity?) ?: return null
         context ?: return null
         app = activity.application as App
-        b = TemplatePagerFragmentBinding.inflate(inflater)
+        b = TemplatePageFragmentBinding.inflate(inflater)
         return b.root
     }
 

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/template/TemplatePagerAdapter.kt

@@ -9,7 +9,7 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.LazyPagerAdapter
 
 class TemplatePagerAdapter(fragmentManager: FragmentManager, swipeRefreshLayout: SwipeRefreshLayout) : LazyPagerAdapter(fragmentManager, swipeRefreshLayout) {
-    override fun getPage(position: Int) = TemplatePagerFragment()
+    override fun getPage(position: Int) = TemplatePageFragment()
     override fun getPageTitle(position: Int) = "Page $position"
     override fun getCount() = 10
 }

app/src/main/java/pl/szczodrzynski/edziennik/utils/models/Date.java

@@ -137,7 +137,7 @@ public class Date implements Comparable<Date> {
     }
 
     public static int diffDays(Date d1, Date d2) {
-        return (int) ((d1.getInMillis() - d2.getInMillis()) / (24 * 60 * 60 * 1000));
+        return Math.round((d1.getInMillis() - d2.getInMillis()) / (24 * 60 * 60 * 1000f));
     }
 
     public static boolean isToday(Date date) {

app/src/main/res/drawable/ic_no_homework.xml

@@ -0,0 +1,34 @@
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2020-3-30.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="128dp"
+    android:height="128dp"
+    android:viewportWidth="128"
+    android:viewportHeight="128">
+  <path
+      android:pathData="m102,24h-74c-4.42,0 -8,3.58 -8,8v72c0,4.42 3.58,8 8,8h74c4.42,0 8,-3.58 8,-8v-72c0,-4.42 -3.58,-8 -8,-8z"
+      android:fillColor="#70d0f3"/>
+  <path
+      android:pathData="m20,32v8h90v-8c0,-4.42 -3.58,-8 -8,-8h-74c-4.42,0 -8,3.58 -8,8z"
+      android:fillColor="#3281e6"/>
+  <path
+      android:pathData="m88,92h-30c-2.21,0 -4,-1.79 -4,-4 0,-2.21 1.79,-4 4,-4h30c2.21,0 4,1.79 4,4 0,2.21 -1.79,4 -4,4zM92,74c0,-2.21 -1.79,-4 -4,-4h-30c-2.21,0 -4,1.79 -4,4 0,2.21 1.79,4 4,4h30c2.21,0 4,-1.79 4,-4zM92,60c0,-2.21 -1.79,-4 -4,-4h-30c-2.21,0 -4,1.79 -4,4 0,2.21 1.79,4 4,4h30c2.21,0 4,-1.79 4,-4zM48,88c0,-2.21 -1.79,-4 -4,-4h-2c-2.21,0 -4,1.79 -4,4 0,2.21 1.79,4 4,4h2c2.21,0 4,-1.79 4,-4zM48,74c0,-2.21 -1.79,-4 -4,-4h-2c-2.21,0 -4,1.79 -4,4 0,2.21 1.79,4 4,4h2c2.21,0 4,-1.79 4,-4zM48,60c0,-2.21 -1.79,-4 -4,-4h-2c-2.21,0 -4,1.79 -4,4 0,2.21 1.79,4 4,4h2c2.21,0 4,-1.79 4,-4z"
+      android:fillColor="#2b83d5"/>
+  <path
+      android:pathData="m127,86.3 l-7.42,-7.42c-1.12,-1.13 -2.96,-1.13 -4.09,0l-3.5,3.49 11.5,11.5 3.49,-3.5c1.13,-1.13 1.13,-2.96 0,-4.09"
+      android:fillColor="#fc657c"/>
+  <path
+      android:pathData="m93.4,124 l-11.5,-11.5 24.5,-24.5 11.5,11.5z"
+      android:fillColor="#ffa859"/>
+  <path
+      android:pathData="m118,99.6 l-11.5,-11.5 5.75,-5.76 11.5,11.5z"
+      android:fillColor="#c8c8c8"/>
+  <path
+      android:pathData="m81.9,113 l-3.88,15.4 15.4,-3.88z"
+      android:fillColor="#ffcd98"/>
+  <path
+      android:pathData="m80,120 l-1.96,7.78 7.78,-1.96z"
+      android:fillColor="#818181"/>
+</vector>

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

@@ -16,8 +16,14 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
+            <ProgressBar
+                android:id="@+id/progressBar"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center" />
+
             <androidx.appcompat.widget.AppCompatTextView
-                android:id="@+id/gradesNoData"
+                android:id="@+id/noData"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"
@@ -25,13 +31,17 @@
                 android:fontFamily="sans-serif-light"
                 android:text="@string/grades_no_data"
                 android:textSize="24sp"
-                app:drawableTopCompat="@drawable/ic_no_grades" />
+                android:visibility="gone"
+                app:drawableTopCompat="@drawable/ic_no_grades"
+                tools:visibility="visible" />
 
             <androidx.recyclerview.widget.RecyclerView
-                android:id="@+id/gradesRecyclerView"
+                android:id="@+id/list"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                tools:listitem="@layout/grades_item_subject" />
+                android:visibility="gone"
+                tools:listitem="@layout/grades_item_subject"
+                tools:visibility="visible" />
         </FrameLayout>
     </pl.szczodrzynski.edziennik.utils.SwipeRefreshLayoutNoIndicator>
 </layout>

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

@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2020-3-30.
+  -->
+
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
@@ -27,7 +31,6 @@
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 app:layout_behavior="@string/appbar_scrolling_view_behavior" />
-
         </LinearLayout>
     </pl.szczodrzynski.edziennik.utils.SwipeRefreshLayoutNoIndicator>
 </layout>

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

@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical">
-
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/homeworkView"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent">
-
-        </androidx.recyclerview.widget.RecyclerView>
-
-        <LinearLayout
-            android:id="@+id/homeworkNoData"
-            android:layout_width="match_parent"
-            android:orientation="vertical"
-            android:gravity="center"
-            android:layout_height="match_parent"
-            android:visibility="gone"
-            tools:visibility="visible">
-
-            <com.mikepenz.iconics.view.IconicsImageView
-                android:layout_width="match_parent"
-                android:layout_height="92dp"
-                app:iiv_color="?android:textColorPrimary"
-                app:iiv_icon="szf-file-document-edit"
-                app:iiv_size="92dp" />
-
-            <TextView
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_margin="8dp"
-                android:fontFamily="sans-serif-medium"
-                android:gravity="center"
-                android:text="@string/homework_no_data"
-                android:textSize="18sp"
-                android:textStyle="italic" />
-
-        </LinearLayout>
-    </LinearLayout>
-</layout>

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

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2020-3-30.
+  -->
+
+<layout 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">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <ProgressBar
+            android:id="@+id/progressBar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center" />
+
+        <androidx.appcompat.widget.AppCompatTextView
+            android:id="@+id/noData"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:drawablePadding="16dp"
+            android:fontFamily="sans-serif-light"
+            android:text="@string/homework_no_data"
+            android:textSize="24sp"
+            android:visibility="gone"
+            app:drawableTopCompat="@drawable/ic_no_homework"
+            tools:visibility="visible" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone"
+            tools:listitem="@layout/event_list_item"
+            tools:visibility="visible" />
+    </FrameLayout>
+</layout>

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

@@ -1,30 +1,41 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2019-11-22.
+  -->
+
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+    xmlns:tools="http://schemas.android.com/tools">
+
     <FrameLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
-        <androidx.recyclerview.widget.RecyclerView
+        <ProgressBar
-            android:id="@+id/notificationsView"
+            android:id="@+id/progressBar"
-            android:layout_width="match_parent"
+            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
+            android:layout_height="wrap_content"
-            tools:listitem="@layout/row_notifications_item"
+            android:layout_gravity="center" />
-            tools:visibility="gone" />
 
         <androidx.appcompat.widget.AppCompatTextView
-            android:id="@+id/notificationsNoData"
+            android:id="@+id/noData"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
-            app:drawableTopCompat="@drawable/ic_no_notifications"
             android:drawablePadding="16dp"
             android:fontFamily="sans-serif-light"
             android:text="@string/notifications_no_data"
             android:textSize="24sp"
             android:visibility="gone"
+            app:drawableTopCompat="@drawable/ic_no_notifications"
             tools:visibility="visible" />
 
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone"
+            tools:listitem="@layout/notifications_list_item"
+            tools:visibility="visible" />
     </FrameLayout>
 </layout>

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

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?selectableItemBackground"
+        android:orientation="vertical"
+        android:padding="8dp">
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/NavView.TextView.Medium"
+            tools:text="Dzisiaj 1 to szczęśliwy numerek" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/profileDate"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                tools:text="Władca Androida • 22 listopada" />
+
+            <TextView
+                android:id="@+id/type"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                tools:text="Szczęśliwy numerek" />
+        </LinearLayout>
+    </LinearLayout>
+</layout>

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

@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical"
-    android:padding="8dp"
-    android:background="?selectableItemBackground">
-
-    <TextView
-        android:id="@+id/title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="@style/NavView.TextView.Medium"
-        tools:text="Dzisiaj 1 to szczęśliwy numerek" />
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content">
-
-        <TextView
-            android:id="@+id/profileDate"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            tools:text="Władca Androida • 22 listopada" />
-
-        <TextView
-            android:id="@+id/type"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            tools:text="Szczęśliwy numerek" />
-    </LinearLayout>
-
-</LinearLayout>

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

@@ -13,7 +13,7 @@
 
         <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
+            android:layout_height="match_parent"
             android:orientation="vertical">
 
             <com.google.android.material.tabs.TabLayout

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

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2020-3-30.
+  -->
+
+<layout 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">
+
+    <pl.szczodrzynski.edziennik.utils.SwipeRefreshLayoutNoIndicator
+        android:id="@+id/refreshLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <ProgressBar
+                android:id="@+id/progressBar"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center" />
+
+            <androidx.appcompat.widget.AppCompatTextView
+                android:id="@+id/noData"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:drawablePadding="16dp"
+                android:fontFamily="sans-serif-light"
+                android:text="@string/grades_no_data"
+                android:textSize="24sp"
+                android:visibility="gone"
+                app:drawableTopCompat="@drawable/ic_no_grades"
+                tools:visibility="visible" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/list"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:visibility="gone"
+                tools:listitem="@layout/grades_item_subject"
+                tools:visibility="visible" />
+        </FrameLayout>
+    </pl.szczodrzynski.edziennik.utils.SwipeRefreshLayoutNoIndicator>
+</layout>

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

@@ -3,16 +3,39 @@
   ~ Copyright (c) Kuba Szczodrzyński 2019-12-19.
   -->
 
-<layout xmlns:android="http://schemas.android.com/apk/res/android">
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:padding="8dp"
+        android:background="?selectableItemBackground"
         android:orientation="vertical"
-        android:background="?selectableItemBackground">
+        android:padding="8dp">
 
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/NavView.TextView.Medium"
+            tools:text="Dzisiaj 1 to szczęśliwy numerek" />
 
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
 
+            <TextView
+                android:id="@+id/profileDate"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                tools:text="Władca Androida • 22 listopada" />
+
+            <TextView
+                android:id="@+id/type"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                tools:text="Szczęśliwy numerek" />
+        </LinearLayout>
     </LinearLayout>
 </layout>

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

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2020-3-30.
+  -->
+
+<layout 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">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <ProgressBar
+            android:id="@+id/progressBar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center" />
+
+        <androidx.appcompat.widget.AppCompatTextView
+            android:id="@+id/noData"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:drawablePadding="16dp"
+            android:fontFamily="sans-serif-light"
+            android:text="@string/grades_no_data"
+            android:textSize="24sp"
+            android:visibility="gone"
+            app:drawableTopCompat="@drawable/ic_no_grades"
+            tools:visibility="visible" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone"
+            tools:listitem="@layout/grades_item_subject"
+            tools:visibility="visible" />
+    </FrameLayout>
+</layout>