[API] Improve Lab fragment. Fix OkHttp crashing on API <21.

app/build.gradle

@@ -145,7 +145,11 @@ dependencies {
     implementation("com.github.ozodrukh:CircularReveal:2.0.1@aar") {transitive = true}
     implementation "com.heinrichreimersoftware:material-intro:1.5.8" // do not update
     implementation "com.jaredrummler:colorpicker:1.0.2"
-    implementation "com.squareup.okhttp3:okhttp:3.12.2"
+    implementation("com.squareup.okhttp3:okhttp") {
+        version {
+            strictly "3.12.2"
+        }
+    }
     implementation "com.theartofdev.edmodo:android-image-cropper:2.8.0" // do not update
     implementation "com.wdullaer:materialdatetimepicker:4.1.2"
     implementation "com.yuyh.json:jsonviewer:1.0.6"

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

@@ -173,6 +173,8 @@ class App : MultiDexApplication(), Configuration.Provider, CoroutineScope {
         }
 
         devMode = BuildConfig.DEBUG
+        if (BuildConfig.DEBUG)
+            debugMode = true
 
         Signing.getCert(this)
 

app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/EdziennikTask.kt

@@ -19,6 +19,7 @@ import pl.szczodrzynski.edziennik.data.api.interfaces.EdziennikInterface
 import pl.szczodrzynski.edziennik.data.api.models.ApiError
 import pl.szczodrzynski.edziennik.data.api.task.IApiTask
 import pl.szczodrzynski.edziennik.data.db.entity.LoginStore
+import pl.szczodrzynski.edziennik.data.db.entity.Profile
 import pl.szczodrzynski.edziennik.data.db.entity.Teacher
 import pl.szczodrzynski.edziennik.data.db.full.AnnouncementFull
 import pl.szczodrzynski.edziennik.data.db.full.EventFull
@@ -28,6 +29,9 @@ open class EdziennikTask(override val profileId: Int, val request: Any) : IApiTa
     companion object {
         private const val TAG = "EdziennikTask"
 
+        var profile: Profile? = null
+        var loginStore: LoginStore? = null
+
         fun firstLogin(loginStore: LoginStore) = EdziennikTask(-1, FirstLoginRequest(loginStore))
         fun sync() = EdziennikTask(-1, SyncRequest())
         fun syncProfile(profileId: Int, viewIds: List<Pair<Int, Int>>? = null, onlyEndpoints: List<Int>? = null, arguments: JsonObject? = null) = EdziennikTask(profileId, SyncProfileRequest(viewIds, onlyEndpoints, arguments))
@@ -59,6 +63,8 @@ open class EdziennikTask(override val profileId: Int, val request: Any) : IApiTa
             // save the profile ID and name as the current task's
             taskName = app.getString(R.string.edziennik_notification_api_sync_title_format, profile.name)
         }
+        EdziennikTask.profile = this.profile
+        EdziennikTask.loginStore = this.loginStore
     }
 
     private var edziennikInterface: EdziennikInterface? = null

app/src/main/java/pl/szczodrzynski/edziennik/network/cookie/DumbCookieJar.kt

@@ -26,7 +26,7 @@ class DumbCookieJar(
 ) : CookieJar {
 
     private val prefs = context.getSharedPreferences("cookies", Context.MODE_PRIVATE)
-    private val sessionCookies = mutableSetOf<DumbCookie>()
+    val sessionCookies = mutableSetOf<DumbCookie>()
     private val savedCookies = mutableSetOf<DumbCookie>()
     private fun save(dc: DumbCookie) {
         sessionCookies.remove(dc)

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabFragment.kt

@@ -9,26 +9,25 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.sqlite.db.SimpleSQLiteQuery
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.launch
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.MainActivity
-import pl.szczodrzynski.edziennik.data.db.entity.Event
+import pl.szczodrzynski.edziennik.addOnPageSelectedListener
-import pl.szczodrzynski.edziennik.databinding.LabFragmentBinding
+import pl.szczodrzynski.edziennik.databinding.TemplateFragmentBinding
-import pl.szczodrzynski.edziennik.onClick
+import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.FragmentLazyPagerAdapter
 import kotlin.coroutines.CoroutineContext
 
 class LabFragment : Fragment(), CoroutineScope {
     companion object {
         private const val TAG = "LabFragment"
+        var pageSelection = 0
     }
 
     private lateinit var app: App
     private lateinit var activity: MainActivity
-    private lateinit var b: LabFragmentBinding
+    private lateinit var b: TemplateFragmentBinding
 
     private val job: Job = Job()
     override val coroutineContext: CoroutineContext
@@ -40,29 +39,30 @@ class LabFragment : Fragment(), CoroutineScope {
         activity = (getActivity() as MainActivity?) ?: return null
         context ?: return null
         app = activity.application as App
-        b = LabFragmentBinding.inflate(inflater)
+        b = TemplateFragmentBinding.inflate(inflater)
+        b.refreshLayout.setParent(activity.swipeRefreshLayout)
         return b.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         if (!isAdded) return
 
-        b.last10unseen.onClick {
+        val pagerAdapter = FragmentLazyPagerAdapter(
-            launch(Dispatchers.Default) {
+                fragmentManager ?: return,
-                val events = app.db.eventDao().getAllNow(App.profileId)
+                b.refreshLayout,
-                val ids = events.sortedBy { it.date }.filter { it.type == Event.TYPE_HOMEWORK }.takeLast(10)
+                listOf(
-                ids.forEach {
+                        LabPageFragment() to "click me",
-                    app.db.metadataDao().setSeen(App.profileId, it, false)
+                        LabProfileFragment() to "JSON"
+                )
+        )
+        b.viewPager.apply {
+            offscreenPageLimit = 1
+            adapter = pagerAdapter
+            currentItem = pageSelection
+            addOnPageSelectedListener {
+                pageSelection = it
             }
-            }
+            b.tabLayout.setupWithViewPager(this)
-        }
-
-        b.rodo.onClick {
-            app.db.teacherDao().query(SimpleSQLiteQuery("UPDATE teachers SET teacherSurname = \"\" WHERE profileId = ${App.profileId}"))
-        }
-
-        b.removeHomework.onClick {
-            app.db.eventDao().getRawNow("UPDATE events SET homeworkBody = NULL WHERE profileId = ${App.profileId}")
         }
     }
 }

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabJsonAdapter.kt

@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug
+
+import android.animation.ObjectAnimator
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.isInvisible
+import androidx.recyclerview.widget.RecyclerView
+import com.google.gson.JsonArray
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
+import com.google.gson.JsonPrimitive
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.ui.modules.debug.models.LabJsonArray
+import pl.szczodrzynski.edziennik.ui.modules.debug.models.LabJsonElement
+import pl.szczodrzynski.edziennik.ui.modules.debug.models.LabJsonObject
+import pl.szczodrzynski.edziennik.ui.modules.debug.viewholder.JsonArrayViewHolder
+import pl.szczodrzynski.edziennik.ui.modules.debug.viewholder.JsonElementViewHolder
+import pl.szczodrzynski.edziennik.ui.modules.debug.viewholder.JsonObjectViewHolder
+import pl.szczodrzynski.edziennik.ui.modules.grades.models.ExpandableItemModel
+import pl.szczodrzynski.edziennik.ui.modules.grades.viewholder.BindableViewHolder
+import kotlin.coroutines.CoroutineContext
+
+class LabJsonAdapter(
+        val activity: AppCompatActivity,
+        var onJsonElementClick: ((item: LabJsonElement) -> Unit)? = null
+) : RecyclerView.Adapter<RecyclerView.ViewHolder>(), CoroutineScope {
+    companion object {
+        private const val TAG = "AttendanceAdapter"
+        private const val ITEM_TYPE_OBJECT = 0
+        private const val ITEM_TYPE_ARRAY = 1
+        private const val ITEM_TYPE_ELEMENT = 2
+        const val STATE_CLOSED = 0
+        const val STATE_OPENED = 1
+
+        fun expand(item: Any, level: Int): MutableList<Any> {
+            val json = when (item) {
+                is LabJsonObject -> item.jsonObject
+                is LabJsonArray -> item.jsonArray
+                is JsonObject -> item
+                is JsonArray -> item
+                is JsonPrimitive -> item
+                else -> return mutableListOf()
+            }
+
+            return when (json) {
+                is JsonObject -> json.entrySet().mapNotNull { wrap(it.key, it.value, level) }
+                is JsonArray -> json.mapIndexedNotNull { index, jsonElement -> wrap(index.toString(), jsonElement, level) }
+                else -> listOf(LabJsonElement("?", json, level))
+            }.toMutableList()
+        }
+        fun wrap(key: String, item: JsonElement, level: Int = 0): Any? {
+            return when (item) {
+                is JsonObject -> LabJsonObject(key, item, level + 1)
+                is JsonArray -> LabJsonArray(key, item, level + 1)
+                is JsonElement -> LabJsonElement(key, item, level + 1)
+                else -> null
+            }
+        }
+    }
+
+    private val app = activity.applicationContext as App
+
+    private val job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    var items = mutableListOf<Any>()
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+        return when (viewType) {
+            ITEM_TYPE_OBJECT -> JsonObjectViewHolder(inflater, parent)
+            ITEM_TYPE_ARRAY -> JsonArrayViewHolder(inflater, parent)
+            ITEM_TYPE_ELEMENT -> JsonElementViewHolder(inflater, parent)
+            else -> throw IllegalArgumentException("Incorrect viewType")
+        }
+    }
+
+    override fun getItemViewType(position: Int): Int {
+        return when (items[position]) {
+            is LabJsonObject -> ITEM_TYPE_OBJECT
+            is LabJsonArray -> ITEM_TYPE_ARRAY
+            is LabJsonElement -> ITEM_TYPE_ELEMENT
+            else -> throw IllegalArgumentException("Incorrect viewType")
+        }
+    }
+
+    private val onClickListener = View.OnClickListener { view ->
+        val model = view.getTag(R.string.tag_key_model)
+        if (model is LabJsonElement) {
+            onJsonElementClick?.invoke(model)
+            return@OnClickListener
+        }
+        if (model !is ExpandableItemModel<*>)
+            return@OnClickListener
+        expandModel(model, view)
+    }
+
+    fun expandModel(model: ExpandableItemModel<*>?, view: View?, notifyAdapter: Boolean = true) {
+        model ?: return
+        val position = items.indexOf(model)
+        if (position == -1)
+            return
+
+        view?.findViewById<View>(R.id.dropdownIcon)?.let { dropdownIcon ->
+            ObjectAnimator.ofFloat(
+                    dropdownIcon,
+                    View.ROTATION,
+                    if (model.state == STATE_CLOSED) 0f else 180f,
+                    if (model.state == STATE_CLOSED) 180f else 0f
+            ).setDuration(200).start();
+        }
+
+        // hide the preview, show summary
+        val preview = view?.findViewById<View>(R.id.previewContainer)
+        val summary = view?.findViewById<View>(R.id.summaryContainer)
+        preview?.isInvisible = model.state == STATE_CLOSED
+        summary?.isInvisible = model.state != STATE_CLOSED
+
+        if (model.state == STATE_CLOSED) {
+
+            val subItems = when {
+                //model.items.isEmpty() -> listOf(AttendanceEmpty())
+                else -> expand(model, model.level)
+            }
+
+            model.state = STATE_OPENED
+            items.addAll(position + 1, subItems)
+            if (notifyAdapter) notifyItemRangeInserted(position + 1, subItems.size)
+        }
+        else {
+            val start = position + 1
+            var end: Int = items.size
+            for (i in start until items.size) {
+                val model1 = items[i]
+                val level = (model1 as? ExpandableItemModel<*>)?.level ?: 3
+                if (level <= model.level) {
+                    end = i
+                    break
+                } else {
+                    if (model1 is ExpandableItemModel<*> && model1.state == STATE_OPENED) {
+                        model1.state = STATE_CLOSED
+                    }
+                }
+            }
+
+            if (end != -1) {
+                items.subList(start, end).clear()
+                if (notifyAdapter) notifyItemRangeRemoved(start, end - start)
+            }
+
+            model.state = STATE_CLOSED
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val item = items[position]
+        if (holder !is BindableViewHolder<*, *>)
+            return
+
+        val viewType = when (holder) {
+            is JsonObjectViewHolder -> ITEM_TYPE_OBJECT
+            is JsonArrayViewHolder -> ITEM_TYPE_ARRAY
+            is JsonElementViewHolder -> ITEM_TYPE_ELEMENT
+            else -> throw IllegalArgumentException("Incorrect viewType")
+        }
+        holder.itemView.setTag(R.string.tag_key_view_type, viewType)
+        holder.itemView.setTag(R.string.tag_key_position, position)
+        holder.itemView.setTag(R.string.tag_key_model, item)
+
+        when {
+            holder is JsonObjectViewHolder && item is LabJsonObject -> holder.onBind(activity, app, item, position, this)
+            holder is JsonArrayViewHolder && item is LabJsonArray -> holder.onBind(activity, app, item, position, this)
+            holder is JsonElementViewHolder && item is LabJsonElement -> holder.onBind(activity, app, item, position, this)
+        }
+
+        holder.itemView.setOnClickListener(onClickListener)
+    }
+
+    override fun getItemCount() = items.size
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabPageFragment.kt

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.sqlite.db.SimpleSQLiteQuery
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.data.db.entity.Event
+import pl.szczodrzynski.edziennik.databinding.LabFragmentBinding
+import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.LazyFragment
+import pl.szczodrzynski.fslogin.decode
+import kotlin.coroutines.CoroutineContext
+
+class LabPageFragment : LazyFragment(), CoroutineScope {
+    companion object {
+        private const val TAG = "LabPageFragment"
+    }
+
+    private lateinit var app: App
+    private lateinit var activity: MainActivity
+    private lateinit var b: LabFragmentBinding
+
+    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 = LabFragmentBinding.inflate(inflater)
+        return b.root
+    }
+
+    override fun onPageCreated(): Boolean {
+        b.last10unseen.onClick {
+            launch(Dispatchers.Default) {
+                val events = app.db.eventDao().getAllNow(App.profileId)
+                val ids = events.sortedBy { it.date }.filter { it.type == Event.TYPE_HOMEWORK }.takeLast(10)
+                ids.forEach {
+                    app.db.metadataDao().setSeen(App.profileId, it, false)
+                }
+            }
+        }
+
+        b.rodo.onClick {
+            app.db.teacherDao().query(SimpleSQLiteQuery("UPDATE teachers SET teacherSurname = \"\" WHERE profileId = ${App.profileId}"))
+        }
+
+        b.removeHomework.onClick {
+            app.db.eventDao().getRawNow("UPDATE events SET homeworkBody = NULL WHERE profileId = ${App.profileId}")
+        }
+
+        val colorSecondary = android.R.attr.textColorSecondary.resolveAttr(activity)
+        startCoroutineTimer(500L, 300L) {
+            val text = app.cookieJar.sessionCookies
+                    .map { it.cookie }
+                    .sortedBy { it.domain() }
+                    .groupBy { it.domain() }
+                    .map {
+                        listOf(
+                                it.key.asBoldSpannable(),
+                                ":\n",
+                                it.value
+                                        .sortedBy { it.name() }
+                                        .map {
+                                            listOf(
+                                                    "    ",
+                                                    it.name(),
+                                                    "=",
+                                                    it.value().decode().take(40).asItalicSpannable().asColoredSpannable(colorSecondary)
+                                            ).concat("")
+                                        }.concat("\n")
+                        ).concat("")
+                    }.concat("\n\n")
+            b.cookies.text = text
+        }
+
+        return true
+    }
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabProfileFragment.kt

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.gson.JsonObject
+import com.google.gson.JsonParser
+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.data.api.edziennik.EdziennikTask
+import pl.szczodrzynski.edziennik.databinding.TemplateListPageFragmentBinding
+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 LabProfileFragment : LazyFragment(), CoroutineScope {
+    companion object {
+        private const val TAG = "LabProfileFragment"
+    }
+
+    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 = LabJsonAdapter(activity)
+        val json = JsonObject().also { json ->
+            json.add("app.profile", app.profile.studentData)
+            json.add("app.config", JsonParser().parse(app.gson.toJson(app.config.values)))
+            EdziennikTask.profile?.let {
+                json.add("API.profile", it.studentData)
+            } ?: {
+                json.addProperty("API.profile", "null")
+            }()
+            EdziennikTask.loginStore?.let {
+                json.add("API.loginStore", it.data)
+            } ?: {
+                json.addProperty("API.loginStore", "null")
+            }()
+        }
+        adapter.items = LabJsonAdapter.expand(json, 0)
+
+        b.list.adapter = adapter
+        b.list.apply {
+            setHasFixedSize(true)
+            layoutManager = LinearLayoutManager(context)
+            addItemDecoration(SimpleDividerItemDecoration(context))
+            addOnScrollListener(onScrollListener)
+        }
+
+        // show/hide relevant views
+        b.progressBar.isVisible = false
+        b.list.isVisible = true
+        b.noData.isVisible = false
+
+    }; return true }
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/models/LabJsonArray.kt

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug.models
+
+import com.google.gson.JsonArray
+import com.google.gson.JsonElement
+import pl.szczodrzynski.edziennik.ui.modules.grades.models.ExpandableItemModel
+
+data class LabJsonArray(
+        val key: String,
+        val jsonArray: JsonArray,
+        override var level: Int
+) : ExpandableItemModel<JsonElement>(jsonArray.toMutableList())

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/models/LabJsonElement.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug.models
+
+import com.google.gson.JsonElement
+
+data class LabJsonElement(
+        val key: String,
+        val jsonElement: JsonElement,
+        var level: Int
+)

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/models/LabJsonObject.kt

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug.models
+
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
+import pl.szczodrzynski.edziennik.ui.modules.grades.models.ExpandableItemModel
+
+data class LabJsonObject(
+        val key: String,
+        val jsonObject: JsonObject,
+        override var level: Int
+) : ExpandableItemModel<JsonElement>(jsonObject.entrySet().map { it.value }.toMutableList())

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/viewholder/JsonArrayViewHolder.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug.viewholder
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.view.ContextThemeWrapper
+import androidx.core.view.isInvisible
+import androidx.recyclerview.widget.RecyclerView
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.databinding.LabItemObjectBinding
+import pl.szczodrzynski.edziennik.ui.modules.attendance.AttendanceAdapter
+import pl.szczodrzynski.edziennik.ui.modules.debug.LabJsonAdapter
+import pl.szczodrzynski.edziennik.ui.modules.debug.models.LabJsonArray
+import pl.szczodrzynski.edziennik.ui.modules.grades.viewholder.BindableViewHolder
+import pl.szczodrzynski.edziennik.utils.Themes
+
+class JsonArrayViewHolder(
+        inflater: LayoutInflater,
+        parent: ViewGroup,
+        val b: LabItemObjectBinding = LabItemObjectBinding.inflate(inflater, parent, false)
+) : RecyclerView.ViewHolder(b.root), BindableViewHolder<LabJsonArray, LabJsonAdapter> {
+    companion object {
+        private const val TAG = "JsonArrayViewHolder"
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun onBind(activity: AppCompatActivity, app: App, item: LabJsonArray, position: Int, adapter: LabJsonAdapter) {
+        val contextWrapper = ContextThemeWrapper(activity, Themes.appTheme)
+
+        b.dropdownIcon.rotation = when (item.state) {
+            AttendanceAdapter.STATE_CLOSED -> 0f
+            else -> 180f
+        }
+        b.previewContainer.isInvisible = item.state != AttendanceAdapter.STATE_CLOSED
+        b.summaryContainer.isInvisible = item.state == AttendanceAdapter.STATE_CLOSED
+
+        b.key.text = item.key
+        b.previewContainer.text = item.jsonArray.toString().take(200)
+        b.summaryContainer.text = item.jsonArray.size().toString() + " elements"
+    }
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/viewholder/JsonElementViewHolder.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug.viewholder
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.view.ContextThemeWrapper
+import androidx.recyclerview.widget.RecyclerView
+import com.google.gson.JsonNull
+import com.google.gson.JsonPrimitive
+import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.databinding.LabItemElementBinding
+import pl.szczodrzynski.edziennik.ui.modules.debug.LabJsonAdapter
+import pl.szczodrzynski.edziennik.ui.modules.debug.models.LabJsonElement
+import pl.szczodrzynski.edziennik.ui.modules.grades.viewholder.BindableViewHolder
+import pl.szczodrzynski.edziennik.utils.Themes
+
+class JsonElementViewHolder(
+        inflater: LayoutInflater,
+        parent: ViewGroup,
+        val b: LabItemElementBinding = LabItemElementBinding.inflate(inflater, parent, false)
+) : RecyclerView.ViewHolder(b.root), BindableViewHolder<LabJsonElement, LabJsonAdapter> {
+    companion object {
+        private const val TAG = "JsonObjectViewHolder"
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun onBind(activity: AppCompatActivity, app: App, item: LabJsonElement, position: Int, adapter: LabJsonAdapter) {
+        val contextWrapper = ContextThemeWrapper(activity, Themes.appTheme)
+
+        b.type.text = when (item.jsonElement) {
+            is JsonPrimitive -> when {
+                item.jsonElement.isNumber -> "Number"
+                item.jsonElement.isString -> "String"
+                item.jsonElement.isBoolean -> "Boolean"
+                else -> "Primitive"
+            }
+            is JsonNull -> "null"
+            else -> null
+        }
+
+        val colorSecondary = android.R.attr.textColorSecondary.resolveAttr(activity)
+        b.key.text = listOf(
+                item.key.asColoredSpannable(colorSecondary),
+                ": ",
+                item.jsonElement.toString().asItalicSpannable()
+        ).concat("")
+    }
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/viewholder/JsonObjectViewHolder.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-5-12.
+ */
+
+package pl.szczodrzynski.edziennik.ui.modules.debug.viewholder
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.view.ContextThemeWrapper
+import androidx.core.view.isInvisible
+import androidx.recyclerview.widget.RecyclerView
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.databinding.LabItemObjectBinding
+import pl.szczodrzynski.edziennik.ui.modules.attendance.AttendanceAdapter
+import pl.szczodrzynski.edziennik.ui.modules.debug.LabJsonAdapter
+import pl.szczodrzynski.edziennik.ui.modules.debug.models.LabJsonObject
+import pl.szczodrzynski.edziennik.ui.modules.grades.viewholder.BindableViewHolder
+import pl.szczodrzynski.edziennik.utils.Themes
+
+class JsonObjectViewHolder(
+        inflater: LayoutInflater,
+        parent: ViewGroup,
+        val b: LabItemObjectBinding = LabItemObjectBinding.inflate(inflater, parent, false)
+) : RecyclerView.ViewHolder(b.root), BindableViewHolder<LabJsonObject, LabJsonAdapter> {
+    companion object {
+        private const val TAG = "JsonObjectViewHolder"
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun onBind(activity: AppCompatActivity, app: App, item: LabJsonObject, position: Int, adapter: LabJsonAdapter) {
+        val contextWrapper = ContextThemeWrapper(activity, Themes.appTheme)
+
+        b.dropdownIcon.rotation = when (item.state) {
+            AttendanceAdapter.STATE_CLOSED -> 0f
+            else -> 180f
+        }
+        b.previewContainer.isInvisible = item.state != AttendanceAdapter.STATE_CLOSED
+        b.summaryContainer.isInvisible = item.state == AttendanceAdapter.STATE_CLOSED
+
+        b.key.text = item.key
+        b.previewContainer.text = item.jsonObject.toString().take(200)
+        b.summaryContainer.text = item.jsonObject.size().toString() + " elements"
+    }
+}

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

@@ -54,6 +54,13 @@
                 android:layout_height="wrap_content"
                 android:text="Remove all homework body (null)"
                 android:textAllCaps="false" />
+
+            <TextView
+                android:id="@+id/cookies"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:fontFamily="monospace"
+                tools:text="Cookies:\n\nsynergia.librus.pl\n    DZIENNIKSID=L01~1234567890abcdef"/>
         </LinearLayout>
     </ScrollView>
 </layout>

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

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2020-5-12.
+  -->
+
+<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="horizontal"
+        android:padding="8dp">
+
+        <TextView
+            android:id="@+id/key"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:fontFamily="monospace"
+            android:maxLines="2"
+            android:ellipsize="end"
+            tools:text="lessonRanges: 8" />
+
+        <TextView
+            android:id="@+id/type"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:fontFamily="monospace"
+            android:text="Int"
+            android:textAppearance="@style/NavView.TextView.Helper" />
+    </LinearLayout>
+</layout>

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

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2020-5-12.
+  -->
+
+<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="wrap_content"
+        android:background="?selectableItemBackground"
+        android:orientation="vertical"
+        android:padding="8dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:baselineAligned="false"
+            android:gravity="center_vertical">
+
+            <TextView
+                android:id="@+id/key"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:fontFamily="monospace"
+                android:textAppearance="@style/NavView.TextView.Medium"
+                tools:text="lessonRanges" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="8dp"
+                android:fontFamily="monospace"
+                android:text="JsonObject"
+                android:textAppearance="@style/NavView.TextView.Helper" />
+
+            <com.mikepenz.iconics.view.IconicsImageView
+                android:id="@+id/dropdownIcon"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:scaleType="centerInside"
+                app:iiv_color="?android:textColorSecondary"
+                app:iiv_icon="cmd-chevron-down"
+                app:iiv_size="18dp"
+                tools:src="@android:drawable/ic_menu_more" />
+        </LinearLayout>
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/previewContainer"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:fontFamily="monospace"
+                android:singleLine="true"
+                android:textAppearance="@style/NavView.TextView.Helper"
+                tools:text="{&quot;accountId&quot;:8765432,&quot;accountLogin&quot;:&quot;2345678u&quot;,&quot;accountToken&quot;:&quot;49azsnNZfxxfdSYb6lKU8NambrMXjeCrw7yA" />
+
+            <TextView
+                android:id="@+id/summaryContainer"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:textAppearance="@style/NavView.TextView.Helper"
+                tools:text="8 elements"
+                tools:visibility="gone" />
+        </FrameLayout>
+    </LinearLayout>
+</layout>