more changes

app/WikiSpot/.idea/dictionaries/ben44.xml

@@ -1,6 +1,7 @@
 <component name="ProjectDictionaryState">
   <dictionary name="ben44">
     <words>
+      <w>backstack</w>
       <w>filetype</w>
       <w>initing</w>
     </words>

app/WikiSpot/app/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id 'com.android.application'
     id 'kotlin-android'
     id 'kotlin-android-extensions'
+    id 'androidx.navigation.safeargs.kotlin'
 }
 
 android {
@@ -35,7 +36,7 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
     }
 }
 
@@ -50,10 +51,13 @@ dependencies {
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.preference:preference:1.1.1'
     implementation 'com.squareup.okhttp3:okhttp:4.9.0'
+    implementation 'com.google.android.gms:play-services-maps:17.0.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
     implementation 'com.github.bumptech.glide:glide:4.12.0'
     annotationProcessor 'com.github.bumptech.glide:compiler:4.12.0'
+
+    implementation 'com.github.barteksc:android-pdf-viewer:2.8.2'
 }

app/WikiSpot/app/src/debug/res/values/google_maps_api.xml

@@ -0,0 +1,24 @@
+<resources>
+    <!--
+    TODO: Before you run your application, you need a Google Maps API key.
+
+    To get one, follow this link, follow the directions and press "Create" at the end:
+
+    https://console.developers.google.com/flows/enableapi?apiid=maps_android_backend&keyType=CLIENT_SIDE_ANDROID&r=65:0D:80:30:57:9C:7B:EB:35:6F:CC:61:21:5D:C1:2A:73:E1:D8:20%3Bcom.example.wikispot
+
+    You can also add your credentials to an existing key, using these values:
+
+    Package name:
+    com.example.wikispot
+
+    SHA-1 certificate fingerprint:
+    65:0D:80:30:57:9C:7B:EB:35:6F:CC:61:21:5D:C1:2A:73:E1:D8:20
+
+    Alternatively, follow the directions here:
+    https://developers.google.com/maps/documentation/android/start#get-key
+
+    Once you have your key (it starts with "AIza"), replace the "google_maps_key"
+    string in this file.
+    -->
+    <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">AIzaSyAixBio8FevppLsncIkFUQarx2kUB-0dW0</string>
+</resources>

app/WikiSpot/app/src/main/AndroidManifest.xml

@@ -3,9 +3,15 @@
     xmlns:tools="http://schemas.android.com/tools"
     package="com.example.wikispot">
 
+    <!--
+         The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
+         Google Maps Android API v2, but you must specify either coarse or fine
+         location permissions for the "MyLocation" functionality.
+    -->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
     <application
         android:allowBackup="false"
@@ -13,9 +19,23 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:usesCleartextTraffic="true"
+        android:theme="@style/Theme.WikiSpot"
-        android:theme="@style/Theme.WikiSpot">
+        android:usesCleartextTraffic="true">
-        <activity android:name=".activities.MainActivity"
+
+        <!--
+             The API key for Google Maps-based APIs is defined as a string resource.
+             (See the file "res/values/google_maps_api.xml").
+             Note that the API key is linked to the encryption key used to sign the APK.
+             You need a different API key for each encryption key, including the release key that is used to
+             sign the APK for publishing.
+             You can define the keys for the debug and release targets in src/debug/ and src/release/.
+        -->
+        <meta-data
+            android:name="com.google.android.geo.API_KEY"
+            android:value="@string/google_maps_key" />
+
+        <activity
+            android:name=".activities.MainActivity"
             android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/WikiSpot/app/src/main/java/com/example/wikispot/Extentions.kt

@@ -1,5 +1,7 @@
 package com.example.wikispot
 
+import android.app.Activity
+import android.app.AlertDialog
 import android.content.Context
 import android.os.Environment
 import android.view.View
@@ -31,38 +33,6 @@ fun Context.getThemeId(): Int {
     }
 }
 
-// for client
-fun Context.getDataFromServer(): String {
-    // requesting data
-    val url = "${ServerManagement.baseUrl}devices_list"
-    val request = Request.Builder().url(url).build()
-    val client = OkHttpClient()
-    var receivedResponse = ""
-
-    client.newCall(request).enqueue(object : Callback {
-        override fun onResponse(call: Call, response: Response) {
-            response.body?.let {
-                receivedResponse = response.body!!.string()
-            }
-        }
-
-        override fun onFailure(call: Call, e: IOException) {
-            println("Request Failed")
-            println(e)
-        }
-    })
-
-    Thread.sleep(400)
-
-    println("[debug] received string: $receivedResponse")
-    try {
-        JSONArray(receivedResponse)
-        return receivedResponse
-    } catch (exception: Throwable) {
-        return "[]"
-    }
-}
-
 // working with files
 fun Context.createFile(filename: String, filetype: String): File {
 
@@ -114,3 +84,14 @@ fun Context.getStringFromSharedPreferences(accessKey: String, preferencesFilenam
 
     return  ""
 }
+
+// Activity extensions
+
+fun Activity.askToQuit() {
+    val builder = AlertDialog.Builder(this)
+    builder.setTitle("Confirm")
+    builder.setMessage("Do you want to quit the application?")
+    builder.setPositiveButton("Yes") { _, _ -> finish()}
+    builder.setNegativeButton("No") { _, _ -> }
+    builder.show()
+}

app/WikiSpot/app/src/main/java/com/example/wikispot/activities/MainActivity.kt

@@ -3,35 +3,58 @@ package com.example.wikispot.activities
 import android.content.Intent
 import android.graphics.Bitmap
 import android.os.Bundle
-import androidx.appcompat.app.AlertDialog
+import android.util.DisplayMetrics
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.navigation.findNavController
 import androidx.navigation.ui.setupWithNavController
-import com.example.wikispot.IntentsKeys
+import androidx.recyclerview.widget.LinearLayoutManager
-import com.example.wikispot.R
+import com.example.wikispot.*
-import com.example.wikispot.ServerManagement
+import com.example.wikispot.adapters.LabeledValuesAdapter
 import com.example.wikispot.fragments.*
-import com.example.wikispot.getThemeId
 import com.example.wikispot.modelClasses.JsonManager
 import com.example.wikispot.modelClasses.JsonManagerLite
 import com.example.wikispot.modelClasses.SettingsSaveManager
+import com.example.wikispot.modelsForAdapters.LabeledValue
+import com.example.wikispot.modelsForAdapters.LabeledValuesSupplier
 import com.example.wikispot.modelsForAdapters.PlacePreview
 import com.example.wikispot.modelsForAdapters.PlaceSupplier
+import com.google.android.gms.maps.model.LatLng
 import kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.android.synthetic.main.fragment_info.*
+
 
 class MainActivity : AppCompatActivity() {
 
     override fun onBackPressed() {
-        val builder = AlertDialog.Builder(this)
+
-        builder.setTitle("Confirm")
+        try {
-        builder.setMessage("Do you want to quit the application?")
+            when (val currentlyShownFragment = mainFragmentHost.childFragmentManager.fragments[0]) {
-        builder.setPositiveButton("Yes") { _, _ -> finish()}
+                is chatFragment -> {
-        builder.setNegativeButton("No") { _, _ -> }
+                    askToQuit()
-        builder.show()
+                }
+                is exploreFragment -> {
+                    askToQuit()
+                }
+                is homeFragment -> {
+                    askToQuit()
+                }
+                is mapFragment -> {
+                    askToQuit()
+                }
+                is settingsFragment -> {
+                    askToQuit()
+                }
+                is infoFragment -> {
+                    currentlyShownFragment.goExploreFragment()
+                }
+            }
+        } catch (e: Throwable) { println(e) }
+
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        doPreparations()
         loadSettings()
         setTheme(getThemeId())
 
@@ -44,43 +67,108 @@ class MainActivity : AppCompatActivity() {
         handleExtras()
     }
 
+    private fun doPreparations() {
+        val displayMetrics = DisplayMetrics()
+        windowManager.defaultDisplay.getMetrics(displayMetrics)
+        ScreenParameters.height = displayMetrics.heightPixels
+        ScreenParameters.width = displayMetrics.widthPixels
+    }
+
     override fun onResume() {
         super.onResume()
         // server communication
 
-        val dataReceiver: (String) -> Unit = {data: String ->
+        val dataReceiver0: (String) -> Unit = { data0: String ->
-            println("Data here: $data")
+            val dataReceiver1: (String) -> Unit = { data1: String ->
+                val json = JsonManager(this, data1, "JSONObject")
+                val names = json.currentJsonObject!!.names()
+                println("[debug] $data1")
 
                 try {
-                when (mainFragmentHost.childFragmentManager.fragments[0]) {
+                    mainFragmentHost.childFragmentManager.fragments[0]?.let {
-                    is chatFragment -> {}
+                        when (it) {
-                    is exploreFragment -> {}
+                            is chatFragment -> {
-                    is homeFragment -> {}
+                            }
-                    is mapFragment -> {}
+                            is exploreFragment -> {
-                    is settingsFragment -> {}
+                            }
+                            is homeFragment -> {
+                                LabeledValuesSupplier.wipeData()
+
+                                for (n in 0 until names!!.length()) {
+                                    val labeledValue = LabeledValue(names[n].toString(), json.getAttributeContent(names[n].toString()))
+                                    if (!LabeledValuesSupplier.checkIfContains(labeledValue)) {
+                                        LabeledValuesSupplier.appendLabeledValue(labeledValue)
+                                    }
+                                }
+
+                                it.labeled_values_recycler_view.post {
+                                    val layoutManager = LinearLayoutManager(it.requireContext())
+                                    layoutManager.orientation = LinearLayoutManager.VERTICAL
+                                    it.labeled_values_recycler_view.layoutManager = layoutManager
+
+                                    val adapter = LabeledValuesAdapter(it.requireContext(), LabeledValuesSupplier.labeledValues)
+                                    it.labeled_values_recycler_view.adapter = adapter
+                                }
+                            }
+                            is mapFragment -> {
+                            }
+                            is settingsFragment -> {
+                            }
+                            is infoFragment -> {
+                            }
+                            else -> println("[debug] unknown fragment in sensorsConnection")
+                        }
                     }
                 } catch (e: Throwable) { println(e) }
 
             }
+            println(data0)
 
-        ServerManagement.serverManager.addReceiverConnection(dataReceiver, this, "mainConnection", 0, "test0.json")
+            if (!ServerManagement.serverManager.checkIfConnectionAlreadyExists("sensorsConnection")){
+                ServerManagement.serverManager.addReceiverConnection(dataReceiver1, this, "sensorsConnection", data0.toInt(), ServerManagement.sensors_keyword)
+            }
+
+            // getting other needed information
+            val dataReceiver2: (String) -> Unit = {data1: String ->
+                var json = JsonManager(this, data1)
+                json = JsonManager(this, json.findJsonObjectByAttribute("ID", data0.toInt()), "JSONObject")
+                val positionsList = json.getAttributeContent("location").split(",")
+                MapManagement.connectedServerTitle = json.getAttributeContentByPath("description/title")
+                MapManagement.connectedServerPosition = LatLng(positionsList[0].toDouble(), positionsList[1].toDouble())
+            }
+
+            if (!ServerManagement.serverManager.checkIfConnectionAlreadyExists("mapConnection")){
+                ServerManagement.serverManager.addReceiverConnection(dataReceiver2, this, "mapConnection", data0.toInt(), "", "GET_WHOLE_ARRAY")
+            }
+        }
+
+        ServerManagement.serverManager.getData(dataReceiver0, this, 0, "", "connected_id", 3)
         connectExploreFragmentAdapterModel()
     }
 
     override fun onPause() {
         PlaceSupplier.saveToCache(this)
-        ServerManagement.serverManager.deleteConnection("mainConnection")
+        ServerManagement.serverManager.deleteConnection("sensorsConnection")
+        ServerManagement.serverManager.deleteConnection("mapConnection")
         ServerManagement.serverManager.deleteConnection("exploreListConnection")
         super.onPause()
     }
 
     private fun handleExtras() {
         when (intent.getStringExtra(IntentsKeys.startFragment)) {
-            "chatFragment" -> {mainBottomNavigationView.selectedItemId = R.id.chatFragment}
+            "chatFragment" -> {
-            "exploreFragment" -> {mainBottomNavigationView.selectedItemId = R.id.exploreFragment}
+                mainBottomNavigationView.selectedItemId = R.id.chatFragment
+            }
+            "exploreFragment" -> {
+                mainBottomNavigationView.selectedItemId = R.id.exploreFragment
+            }
             // skipping home fragment because were already here
-            "mapFragment" -> {mainBottomNavigationView.selectedItemId = R.id.mapFragment}
+            "mapFragment" -> {
-            "settingsFragment" -> {mainBottomNavigationView.selectedItemId = R.id.settingsFragment}
+                mainBottomNavigationView.selectedItemId = R.id.mapFragment
+            }
+            "settingsFragment" -> {
+                mainBottomNavigationView.selectedItemId = R.id.settingsFragment
+            }
         }
     }
 
@@ -95,25 +183,26 @@ class MainActivity : AppCompatActivity() {
         PlaceSupplier.loadFromCache(this)
 
         // connecting to server
-        val dataReceiver: (String) -> Unit = {data: String ->
+        val dataReceiver: (String) -> Unit = { data: String ->
             val json = JsonManager(this, data)
 
             if (PlaceSupplier.controlJson == null) {
                 PlaceSupplier.controlJson = JsonManagerLite(data)
             }
 
-            for (i in 1 until json.getLengthOfJsonArray()) {  // todo change to 1
+            for (i in 1 until json.getLengthOfJsonArray()) {
 
                 json.getJsonObject(i)
                 val id = json.getAttributeContent("ID").toInt()
+                val location = json.getAttributeContent("location")
                 json.getAttributeContent("description")
                 val title = json.getAttributeContent("title")
                 val shortDescription = json.getAttributeContent("description_s")
-                val place = PlacePreview(title, shortDescription, null, id)
+                val place = PlacePreview(title, shortDescription, location, null, id)
 
                 if (!PlaceSupplier.checkIfContains(place)) {
 
-                    val imageReceiver: (Bitmap) -> Unit = {bitmap: Bitmap ->
+                    val imageReceiver: (Bitmap) -> Unit = { bitmap: Bitmap ->
                         place.img = bitmap
                     }
 
@@ -123,7 +212,7 @@ class MainActivity : AppCompatActivity() {
                 } else {
                     val containingPlace = PlaceSupplier.getContainingInstance(place)
                     if ((containingPlace != null) and (containingPlace?.img == null)) {
-                        val imageReceiver: (Bitmap) -> Unit = {bitmap: Bitmap ->
+                        val imageReceiver: (Bitmap) -> Unit = { bitmap: Bitmap ->
                             containingPlace?.img = bitmap
                         }
 
@@ -145,11 +234,21 @@ class MainActivity : AppCompatActivity() {
 
         try {
             when (mainFragmentHost.childFragmentManager.fragments[0]) {
-                is chatFragment -> {currentNavHostFragmentName = "chatFragment"}
+                is chatFragment -> {
-                is exploreFragment -> {currentNavHostFragmentName= "exploreFragment"}
+                    currentNavHostFragmentName = "chatFragment"
-                is homeFragment -> {currentNavHostFragmentName = "homeFragment"}
+                }
-                is mapFragment -> {currentNavHostFragmentName = "mapFragment"}
+                is exploreFragment -> {
-                is settingsFragment -> {currentNavHostFragmentName = "settingsFragment"}
+                    currentNavHostFragmentName = "exploreFragment"
+                }
+                is homeFragment -> {
+                    currentNavHostFragmentName = "homeFragment"
+                }
+                is mapFragment -> {
+                    currentNavHostFragmentName = "mapFragment"
+                }
+                is settingsFragment -> {
+                    currentNavHostFragmentName = "settingsFragment"
+                }
             }
         } catch (e: Throwable) { println(e) }
 

app/WikiSpot/app/src/main/java/com/example/wikispot/adapters/PlacePreviewsAdapter.kt

@@ -8,8 +8,10 @@ import androidx.navigation.Navigation
 import androidx.recyclerview.widget.RecyclerView
 import com.example.wikispot.R
 import com.example.wikispot.ServerManagement
+import com.example.wikispot.fragments.exploreFragmentDirections
 import com.example.wikispot.modelsForAdapters.PlacePreview
 import com.example.wikispot.showToast
+import com.google.android.gms.maps.model.LatLng
 import kotlinx.android.synthetic.main.explore_list_item.view.*
 
 
@@ -19,11 +21,20 @@ class PlacePreviewsAdapter(private val context: Context, private val placePrevie
 
         var currentPlacePreview: PlacePreview? = null
         var pos: Int = 0
+        var location: LatLng? = null
 
         init {
             itemView.setOnClickListener {
                 ServerManagement.selectedServerId = currentPlacePreview?.id!!
-                Navigation.findNavController(it).navigate(R.id.navigateToInfoFragment)
+                val action = exploreFragmentDirections.navigateToInfoFragment(true)
+                Navigation.findNavController(it).navigate(action)
+            }
+
+            itemView.item_location_img.setOnClickListener {
+                if (location != null) {
+                    val action = exploreFragmentDirections.navigateToMapFragment(location!!, currentPlacePreview!!.title)
+                    Navigation.findNavController(it).navigate(action)
+                }
             }
         }
 
@@ -31,6 +42,14 @@ class PlacePreviewsAdapter(private val context: Context, private val placePrevie
             placePreview?.let {
                 itemView.item_title.text = placePreview.title
                 itemView.item_description.text = placePreview.description
+
+                try {
+                    val coordinates = placePreview.location!!.split(",")
+                    location = LatLng(coordinates[0].toDouble(), coordinates[1].toDouble())
+                } catch (e: Throwable) {
+                    println("[debug] Failed getting coordinates in ${placePreview.title}, explore fragment list.  Exception: $e")}
+
+
                 placePreview.img?.let {
                     itemView.item_img.setImageBitmap(placePreview.img)
                 }

app/WikiSpot/app/src/main/java/com/example/wikispot/adapters/SensorsDataAdapter.kt

@@ -0,0 +1,44 @@
+package com.example.wikispot.adapters
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.wikispot.R
+import com.example.wikispot.modelsForAdapters.LabeledValue
+import kotlinx.android.synthetic.main.labeled_value_item.view.*
+
+
+class LabeledValuesAdapter(private val context: Context, private val labeledValues: Array<LabeledValue?>) : RecyclerView.Adapter<LabeledValuesAdapter.MyViewHolder>() {
+
+    inner class MyViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView){
+
+        var currentLabeledValue: LabeledValue? = null
+        var pos: Int = 0
+
+        fun setData(labeledValue: LabeledValue?, pos: Int) {
+            labeledValue?.let {
+                itemView.label.text = labeledValue.label
+                itemView.value.text = labeledValue.value
+            }
+
+            this.currentLabeledValue = labeledValue
+            this.pos = pos
+        }
+    }
+
+    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
+        val labeledValue = labeledValues[position]
+        holder.setData(labeledValue, position)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
+        val view = LayoutInflater.from(context).inflate(R.layout.labeled_value_item, parent, false)
+        return MyViewHolder(view)
+    }
+
+    override fun getItemCount(): Int {
+        return labeledValues.size
+    }
+}

app/WikiSpot/app/src/main/java/com/example/wikispot/fragments/debugFragment.kt

@@ -1,12 +1,15 @@
 package com.example.wikispot.fragments
 
 import android.annotation.SuppressLint
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.net.Uri
 import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.navigation.Navigation
 import com.example.wikispot.R
-import com.example.wikispot.getDataFromServer
+import com.example.wikispot.ServerManagement
 import com.example.wikispot.modelClasses.JsonManager
 import kotlinx.android.synthetic.main.fragment_debug.*
 
@@ -19,39 +22,41 @@ class debugFragment : Fragment(R.layout.fragment_debug) {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        getDataBtn.setOnClickListener {
-            context?.let {
-                jsonManager = JsonManager(requireContext(), requireContext().getDataFromServer(), "JSONArray", true)
-                sizeView.text = jsonManager.getLengthOfJsonArray().toString()
-            }
-        }
-
-        getJsonFileBtn.setOnClickListener {
-            val id = idInput.text.toString().toInt()
-            jsonFileContentView.text = jsonManager.getJsonObject(id).toString()
-        }
-
-        getAttributeContentBtn.setOnClickListener {
-            val attributeName = attributeNameInput.text.toString()
-            if ("/" in attributeName) {
-                attributeContentView.text = jsonManager.getAttributeContentByPath(attributeNameInput.text.toString())
-            } else {
-                attributeContentView.text = jsonManager.getAttributeContent(attributeNameInput.text.toString())
-            }
-        }
-
-        clearAttributeBtn.setOnClickListener {
-            jsonManager.clearSelectedAttribute()
-            attributeContentView.text = "attribute content"
-        }
-
-        attributeNameInput.setOnClickListener {
-            attributeContentView.text = jsonManager.getCurrentJsonAttributeContent()
-        }
-
-        // handling navigation between debug fragments
         goSecondDebugFragmentBtn.setOnClickListener {
             Navigation.findNavController(it).navigate(R.id.navigateToAnotherDebugFragment)
         }
+
+        getNumberOfSentRequestsBtn.setOnClickListener {
+            outputText.text = ServerManagement.totalNumberOfRequestsSent.toString()
+        }
+
+        val pdfRequestThread = Thread(PdfRequest())
+        pdfRequestThread.start()
+
+
+
+    }
+
+    inner class PdfRequest : Runnable {
+
+        override fun run() {
+            val inputStream = java.net.URL("${ServerManagement.baseUrl}files/1/sample.pdf").openStream()
+            val uri = Uri.parse("${ServerManagement.baseUrl}files/1/sample.pdf")
+
+            Thread.sleep(500)
+
+            pdfView.post {
+                println("asdfsdfsdfs")
+                //pdfView.fromUri(uri).load()
+                pdfView.fromStream(inputStream).pages(0).load()
+                pdfView.zoomTo(pdfView.width / 490.0F)
+                println("[debug] zoom is ${pdfView.width / 490.0F}")
+                println(pdfView.width)
+                Thread.sleep(1000)
+                println(pdfView.currentPage)
+            }
+
+            ServerManagement.totalNumberOfRequestsSent += 1
+        }
     }
 }

app/WikiSpot/app/src/main/java/com/example/wikispot/fragments/homeFragment.kt

@@ -1,5 +1,6 @@
 package com.example.wikispot.fragments
 
+import android.graphics.Bitmap
 import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
@@ -39,11 +40,20 @@ class homeFragment : Fragment(R.layout.fragment_home) {
                             fragment.mainDescription.text = json.getAttributeContentByPath("description/description_l")
                         }
                     }
+
+                    val imageReceiver: (Bitmap) -> Unit = { bitmap: Bitmap ->
+                        homeFragmentInnerFragment.post {
+                            homeFragmentInnerFragment.mainImage.setImageBitmap(bitmap)
+                        }
+                    }
+
+                    ServerManagement.serverManager.getImage(imageReceiver, json.getAttributeContent("ID").toInt(), "test0.jpg", 3)
+
                 }
             } catch (e: Throwable) { println(e) }
         }
 
-        ServerManagement.serverManager.getData(dataReceiver, requireContext(), 0, "", "GET_JSON_ARRAY", 3)
+        ServerManagement.serverManager.getData(dataReceiver, requireContext(), 0, "", "GET_WHOLE_ARRAY", 3)
 
     }
 

app/WikiSpot/app/src/main/java/com/example/wikispot/fragments/infoFragment.kt

@@ -1,19 +1,134 @@
 package com.example.wikispot.fragments
 
+import android.graphics.Bitmap
 import android.os.Bundle
-import androidx.fragment.app.Fragment
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.navigation.Navigation
+import androidx.navigation.fragment.navArgs
+import androidx.recyclerview.widget.LinearLayoutManager
 import com.example.wikispot.R
+import com.example.wikispot.ServerManagement
+import com.example.wikispot.adapters.LabeledValuesAdapter
 import com.example.wikispot.modelClasses.JsonManager
+import com.example.wikispot.modelsForAdapters.LabeledValue
+import com.example.wikispot.modelsForAdapters.LabeledValuesSupplier
+import com.google.android.gms.maps.model.LatLng
 import kotlinx.android.synthetic.main.fragment_info.*
 
 
 class infoFragment() : Fragment(R.layout.fragment_info) {
 
+    private val args: infoFragmentArgs by navArgs()
+    var location: LatLng? = null
+    var loadAutomatically = false
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+
+        updateRecyclerView()
+
+        try {
+            loadAutomatically = args.loadAutomatically
+        } catch (e: Throwable) { println("[debug] Exception in Info Fragment while getting args: $e") }
+
+        if (loadAutomatically) {
+            load()
+        }
+
+        locationBtn.setOnClickListener {
+            if (loadAutomatically) {
+                if (location != null) {
+                    val action = infoFragmentDirections.infoFragmentToMapFragment(location!!, mainTitle.text.toString())
+                    Navigation.findNavController(it).navigate(action)
+                }
+            } else {
+                Navigation.findNavController(it).navigate(R.id.homeFragment_to_mapFragment)
+            }
+        }
+    }
+
+    private fun load() {
+        val serverId = ServerManagement.selectedServerId
+
+        val dataReceiver: (String) -> Unit = { data: String ->
+            try {
+                context?.let {
+                    val json = JsonManager(requireContext(), data)
+                    json.findJsonObjectByAttribute("ID", serverId)
+
+                    mainTitle.post {
+                        mainTitle.text = json.getAttributeContentByPath("description/title")
+                    }
+                    mainDescription.post {
+                        this.mainDescription.text = json.getAttributeContentByPath("description/description_s")
+                    }
+
+                    val imageReceiver: (Bitmap) -> Unit = { bitmap: Bitmap ->
+                        mainImage.post {
+                            mainImage?.let {
+                                mainImage.setImageBitmap(bitmap)
+                            }
+                        }
+                    }
+
+                    val coordinates = json.getAttributeContent("location").split(",")
+                    location = LatLng(coordinates[0].toDouble(), coordinates[1].toDouble())
+
+                    ServerManagement.serverManager.getImage(imageReceiver, json.getAttributeContent("ID").toInt(), "test0.jpg", 2)
+                }
+            } catch (e: Throwable) { println(e) }
+        }
+
+        val sensorsDataReceiver: (String) -> Unit = {data: String ->
+            try {
+                context?.let {
+                    println("[debug][info fragment] $data")
+                    val json = JsonManager(requireContext(), data, "JSONObject")
+                    val names = json.currentJsonObject!!.names()
+
+                    LabeledValuesSupplier.wipeData()
+
+                    for (n in 0 until names!!.length()) {
+                        val labeledValue = LabeledValue(names[n].toString(), json.getAttributeContent(names[n].toString()))
+                        if (!LabeledValuesSupplier.checkIfContains(labeledValue)) {
+                            LabeledValuesSupplier.appendLabeledValue(labeledValue)
+                        }
+                    }
+
+                    updateRecyclerView()
+                }
+            } catch (e: Throwable) { println(e) }
+        }
+
+        context?.let {
+            ServerManagement.serverManager.getData(dataReceiver, requireContext(), serverId, "", "GET_WHOLE_ARRAY")
+            ServerManagement.serverManager.addReceiverConnection(sensorsDataReceiver, requireContext(), "infoFragmentSensorsConnection",
+                    serverId, ServerManagement.sensors_keyword)
+        }
+
+    }
+
+    override fun onPause() {
+        ServerManagement.serverManager.deleteConnection("infoFragmentSensorsConnection")
+        super.onPause()
+    }
+
+    private fun updateRecyclerView() {
+
+        labeled_values_recycler_view.post {
+            val layoutManager = LinearLayoutManager(context)
+            layoutManager.orientation = LinearLayoutManager.VERTICAL
+            labeled_values_recycler_view.layoutManager = layoutManager
+
+            val adapter = context?.let { LabeledValuesAdapter(it, LabeledValuesSupplier.labeledValues) }
+            labeled_values_recycler_view.adapter = adapter
+        }
+
+    }
+
+    fun goExploreFragment() {
+        Navigation.findNavController(mainTitle).navigate(R.id.navigateBackToExploreFragment)
     }
 
 }

app/WikiSpot/app/src/main/java/com/example/wikispot/fragments/mapFragment.kt

@@ -1,12 +1,63 @@
 package com.example.wikispot.fragments
 
 import android.os.Bundle
-import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.navArgs
+import com.example.wikispot.MapManagement
 import com.example.wikispot.R
+import com.google.android.gms.maps.CameraUpdateFactory
+import com.google.android.gms.maps.OnMapReadyCallback
+import com.google.android.gms.maps.SupportMapFragment
+import com.google.android.gms.maps.model.LatLng
+import com.google.android.gms.maps.model.MarkerOptions
 
+class mapFragment : Fragment() {
 
-class mapFragment : Fragment(R.layout.fragment_map) {
+    val args: mapFragmentArgs by navArgs()
+    private var loadFromMapManager = true
+    var location: LatLng? = null
+    var markerTitle: String? = null
+
+    private val callback = OnMapReadyCallback { googleMap ->
+        /**
+         * Manipulates the map once available.
+         * This callback is triggered when the map is ready to be used.
+         * This is where we can add markers or lines, add listeners or move the camera.
+         * In this case, we just add a marker near Sydney, Australia.
+         * If Google Play services is not installed on the device, the user will be prompted to
+         * install it inside the SupportMapFragment. This method will only be triggered once the
+         * user has installed Google Play services and returned to the app.
+         */
+        /*val pb = LatLng(49.11274928646463, 18.443442353021045)
+        googleMap.addMarker(MarkerOptions().position(pb).title("Povazska Bystrica"))
+        googleMap.moveCamera(CameraUpdateFactory.newLatLng(pb))
+        googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(pb, 16.0f)) */
+
+        try {
+            location = args.location
+            markerTitle = args.markerTitle
+            loadFromMapManager = false
+        } catch (e: Throwable) { println("[debug] Exception in Map Fragment while getting args: $e") }
+
+        if (loadFromMapManager) {
+            googleMap.addMarker(MarkerOptions().position(MapManagement.connectedServerPosition!!).title(MapManagement.connectedServerTitle))
+            googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(MapManagement.connectedServerPosition, 16.0F))
+        } else {
+            googleMap.addMarker(MarkerOptions().position(location!!).title(markerTitle))
+            googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(location, 16.0F))
+        }
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_map, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        val mapFragment = childFragmentManager.findFragmentById(R.id.map) as SupportMapFragment?
+        mapFragment?.getMapAsync(callback)
+    }
 }

app/WikiSpot/app/src/main/java/com/example/wikispot/modelClasses/ServerManager.kt

@@ -16,6 +16,8 @@ class ServerManager {
     private var receiverConnections = mutableListOf<ReceiverConnection>()
     private var viewConnections = mutableListOf<ViewConnection>()
 
+    // single time requests
+
     fun getData(dataReceiver: (String) -> Unit, context: Context, serverId: Int, path: String, attributePath: String="", numberOfAttempts: Int=2) {
         val dataRequestThread = Thread(DataRequest(dataReceiver, context, serverId, path, attributePath, numberOfAttempts))
         dataRequestThread.start()
@@ -27,8 +29,12 @@ class ServerManager {
                 var url = "${ServerManagement.baseUrl}devices_list"
 
                 if (path != "") {
+                    if (path.contains(ServerManagement.sensors_keyword)){
+                        url = "${ServerManagement.baseUrl}$serverId/sensors"
+                    } else {
                         url = "${ServerManagement.baseUrl}files/$serverId/$path"
                     }
+                }
 
                 val request = Request.Builder().url(url).build()
                 val client = OkHttpClient()
@@ -46,11 +52,11 @@ class ServerManager {
 
                                 val jsonManager = JsonManager(context, receivedString)
                                 if (path == "") {
-                                    if (attributePath == "GET_JSON_ARRAY") {
+                                    if (attributePath == "GET_WHOLE_ARRAY") {
                                         dataReceiver(jsonManager.jsonArray.toString())
                                         return
                                     }
-                                    jsonManager.getJsonObject(serverId)
+                                    jsonManager.getJsonObject(0)
                                 } else {
                                     if (attributePath == "") {
                                         throw Throwable()
@@ -88,6 +94,8 @@ class ServerManager {
                     }
                 })
 
+                ServerManagement.totalNumberOfRequestsSent += 1
+
                 Thread.sleep(ServerManagement.dataRequestOnAttemptWait)
             }
         }
@@ -110,6 +118,8 @@ class ServerManager {
                     imageReceiver(bitmap)
                 } catch (e: Throwable) { println(e) }
 
+                ServerManagement.totalNumberOfRequestsSent += 1
+
                 Thread.sleep(ServerManagement.imageRequestOnAttemptWait)
             }
         }
@@ -132,8 +142,27 @@ class ServerManager {
         }
     }
 
+    fun checkIfConnectionAlreadyExists(connectionName: String, connectionType: String="any"): Boolean{
+        if ((connectionType == "any") or (connectionType == "receiver")) {
+            for (n in 0 until receiverConnections.size) {
+                if (receiverConnections[n].connectionName == connectionName) {
+                    return true
+                }
+            }
+        }
+        if ((connectionType == "any") or (connectionType == "view")) {
+            for (n in 0 until viewConnections.size) {
+                if (viewConnections[n].connectionName == connectionName) {
+                    return true
+                }
+            }
+        }
+
+        return false
+    }
+
     fun deleteConnection(connectionName: String, connectionType: String="any") {  // other types are any, activity and view
-        if ((connectionType == "any") or (connectionType == "activity")) {
+        if ((connectionType == "any") or (connectionType == "receiver")) {
             for (i in 0 until receiverConnections.size) {  // checking in connections
                 try {
                     if (receiverConnections[i].connectionName == connectionName) {
@@ -156,11 +185,11 @@ class ServerManager {
         }
     }
 
-    fun addReceiverConnection(dataReceiver: (String) -> Unit, context: Context, connectionName: String, serverId: Int, path: String?=null, attributePath: String="", waitTime: Long=ServerManagement.receiverConnectionOnCheckWait) {
+    fun addReceiverConnection(dataReceiver: (String) -> Unit, context: Context, connectionName: String, serverId: Int, path: String="", attributePath: String="", waitTime: Long=ServerManagement.receiverConnectionOnCheckWait) {
         receiverConnections.add(ReceiverConnection(dataReceiver, context, connectionName, serverId, path, attributePath, waitTime))
     }
 
-    inner class ReceiverConnection(val dataReceiver: (String) -> Unit, val context: Context, val connectionName: String, val serverId: Int, val path: String?=null, val attributePath: String, val waitTime: Long) {
+    inner class ReceiverConnection(val dataReceiver: (String) -> Unit, val context: Context, val connectionName: String, val serverId: Int, val path: String="", val attributePath: String, val waitTime: Long) {
 
         var running = true
 
@@ -175,8 +204,12 @@ class ServerManager {
                     var url = "${ServerManagement.baseUrl}devices_list"
 
                     if (path != "") {
+                        if (path.contains(ServerManagement.sensors_keyword)){
+                            url = "${ServerManagement.baseUrl}$serverId/sensors"
+                        } else {
                             url = "${ServerManagement.baseUrl}files/$serverId/$path"
                         }
+                    }
 
                     val request = Request.Builder().url(url).build()
                     val client = OkHttpClient()
@@ -198,7 +231,7 @@ class ServerManager {
                                             dataReceiver(jsonManager.jsonArray.toString())
                                             return
                                         }
-                                        jsonManager.getJsonObject(serverId)
+                                        jsonManager.getJsonObject(0)
                                     } else {
                                         if (attributePath == "") {
                                             throw Throwable()
@@ -236,6 +269,8 @@ class ServerManager {
                         }
                     })
 
+                    ServerManagement.totalNumberOfRequestsSent += 1
+
                     Thread.sleep(waitTime)
                 }
             }
@@ -262,8 +297,12 @@ class ServerManager {
                     var url = "${ServerManagement.baseUrl}devices_list"
 
                     if (path != "") {
+                        if (path.contains(ServerManagement.sensors_keyword)){
+                            url = "${ServerManagement.baseUrl}$serverId/sensors"
+                        } else {
                             url = "${ServerManagement.baseUrl}files/$serverId/$path"
                         }
+                    }
 
                     val request = Request.Builder().url(url).build()
                     val client = OkHttpClient()
@@ -286,7 +325,7 @@ class ServerManager {
                                             view.text = jsonManager.jsonArray.toString()
                                             return
                                         }
-                                        jsonManager.getJsonObject(serverId)
+                                        jsonManager.getJsonObject(0)
                                     } else {
                                         if (attributePath == "") {
                                             throw Throwable()
@@ -333,6 +372,9 @@ class ServerManager {
                             println(e)
                         }
                     })
+
+                    ServerManagement.totalNumberOfRequestsSent += 1
+
                     Thread.sleep(ServerManagement.viewConnectionOnCheckWait)
                 }
             }

app/WikiSpot/app/src/main/java/com/example/wikispot/modelsForAdapters/ExploreListModel.kt

@@ -3,13 +3,15 @@ package com.example.wikispot.modelsForAdapters
 import android.content.Context
 import android.graphics.Bitmap
 import android.media.Image
+import com.example.wikispot.ScreenParameters
 import com.example.wikispot.getStringFromSharedPreferences
 import com.example.wikispot.modelClasses.JsonManager
 import com.example.wikispot.modelClasses.JsonManagerLite
 import com.example.wikispot.saveString
+import com.google.android.gms.maps.model.LatLng
 import org.json.JSONArray
 
-data class PlacePreview(var title: String, var description: String, var img: Bitmap? = null, val id: Int?=null) {
+data class PlacePreview(var title: String, var description: String, val location: String? = null, var img: Bitmap? = null, val id: Int?=null) {
 
     init {
         val words = description.split(" ")
@@ -80,7 +82,7 @@ object PlaceSupplier {
         val jsonManager = JsonManager(context, save)
         for (n in 0 until jsonManager.getLengthOfJsonArray()) {
             val savedData = jsonManager.jsonArray?.get(n).toString().split("|||||")
-            val place = PlacePreview(savedData[0], savedData[1], null, savedData[2].toInt())
+            val place = PlacePreview(savedData[0], savedData[1], savedData[2], null, savedData[3].toInt())
             if (!checkIfContains(place)) {
                 appendPlace(place)
             }
@@ -93,10 +95,9 @@ object PlaceSupplier {
         for (n in places.indices) {
             val place = places[n]
             if (getSavePermission(place)) {
-                save.put(n, "${place!!.title}|||||${place.description}|||||${place.id}")
+                save.put(n, "${place!!.title}|||||${place.description}|||||${place.location}|||||${place.id}")
             }
         }
-        //save.put("hi|||||sdhsiujdghsiuy|||||45")
 
         context.saveString("placePreviews", save.toString(), "exploreFragmentCache")
     }
@@ -111,14 +112,17 @@ object PlaceSupplier {
                 controlJson!!.getJsonObject(n)
                 if (place.id == controlJson!!.getAttributeContent("ID").toInt()) {
                     if (place.title == controlJson!!.getAttributeContentByPath("description/title")) {
-                        val tempPlace = PlacePreview("", controlJson!!.getAttributeContentByPath("description/description_s"))
+                        val tempPlace = PlacePreview("", controlJson!!.getAttributeContentByPath("description/description_s"),
+                        controlJson!!.getAttributeContentByPath("location"))
                         if (place.description == tempPlace.description) {
+                            if (place.location == tempPlace.location) {
                                 return true
                             }
                         }
                     }
                 }
             }
+        }
 
         return false
     }

app/WikiSpot/app/src/main/java/com/example/wikispot/modelsForAdapters/SensorsListModel.kt

@@ -0,0 +1,30 @@
+package com.example.wikispot.modelsForAdapters
+
+data class LabeledValue(val label: String, val value: String)
+
+
+object LabeledValuesSupplier {
+
+    var labeledValues = arrayOf<LabeledValue?>()
+
+    fun appendLabeledValue(labeledValue: LabeledValue) {
+        val array = labeledValues.copyOf(labeledValues.size + 1)
+        array[labeledValues.size] = labeledValue
+        labeledValues = array
+    }
+
+    fun checkIfContains(labeledValue: LabeledValue): Boolean{
+        for (n in labeledValues.indices) {
+            if (labeledValues[n]!!.label == labeledValue.label) {
+                return true
+            }
+        }
+        return false
+    }
+
+    fun wipeData() {
+        labeledValues = arrayOf<LabeledValue?>()
+    }
+
+}
+

app/WikiSpot/app/src/main/java/com/example/wikispot/projectScopeVariables.kt

@@ -1,6 +1,8 @@
 package com.example.wikispot
 
+import android.util.DisplayMetrics
 import com.example.wikispot.modelClasses.ServerManager
+import com.google.android.gms.maps.model.LatLng
 
 
 object GeneralVariables {
@@ -24,6 +26,21 @@ object ServerManagement {
     const val imageRequestOnAttemptWait: Long = 2000
     const val baseUrl = "http://192.168.1.230:8000/"
     var selectedServerId = 0
+
+    const val sensors_keyword = "_[{(S,e,n,s,o,r,s)}]_"
+
+    var totalNumberOfRequestsSent = 0
+}
+
+object MapManagement {
+    var connectedServerPosition: LatLng? = null
+    var connectedServerTitle: String? = null
+}
+
+
+object ScreenParameters {
+    var height = 1
+    var width = 1
 }
 
 

app/WikiSpot/app/src/main/res/drawable/contrasting_gradient_background.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <gradient
+        android:startColor="#C4FFA5"
+        android:centerColor="#D1FBA0"
+        android:endColor="#F6FEBA"/>
+
+</shape>

app/WikiSpot/app/src/main/res/layout/fragment_debug.xml

@@ -4,163 +4,65 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#EF5350"
+    android:background="#E35050"
     tools:context=".fragments.debugFragment">
 
-    <TextView
-        android:id="@+id/textView2"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="24dp"
-        android:text="Debug Fragment"
-        android:textColor="@android:color/white"
-        android:textSize="30sp"
-        android:textStyle="bold"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.5"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <Button
-        android:id="@+id/getDataBtn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="32dp"
-        android:text="Get Data"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.2"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textView2" />
-
-    <EditText
-        android:id="@+id/idInput"
-        android:layout_width="60dp"
-        android:layout_height="wrap_content"
-        android:ems="10"
-        android:hint=" id"
-        android:inputType="number"
-        app:layout_constraintStart_toStartOf="@+id/getDataBtn"
-        app:layout_constraintTop_toBottomOf="@+id/getDataBtn" />
-
-    <Button
-        android:id="@+id/getJsonFileBtn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Get Json File"
-        app:layout_constraintStart_toStartOf="@+id/idInput"
-        app:layout_constraintTop_toBottomOf="@+id/idInput" />
-
-    <ScrollView
-        android:id="@+id/scrollView3"
-        android:layout_width="380dp"
-        android:layout_height="100dp"
-        android:layout_marginTop="16dp"
-        android:background="#FF6C6C"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.5"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/getJsonFileBtn">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical">
-
-            <TextView
-                android:id="@+id/jsonFileContentView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:text="json content"
-                android:textAlignment="center"
-                android:textSize="18sp"
-                tools:layout_editor_absoluteX="254dp"
-                tools:layout_editor_absoluteY="95dp" />
-
-        </LinearLayout>
-    </ScrollView>
-
-    <TextView
-        android:id="@+id/sizeView"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="24dp"
-        android:layout_marginLeft="24dp"
-        android:text="Amount of json's: 0"
-        android:textSize="24sp"
-        app:layout_constraintBottom_toTopOf="@+id/getJsonFileBtn"
-        app:layout_constraintStart_toEndOf="@+id/idInput"
-        app:layout_constraintTop_toBottomOf="@+id/getDataBtn" />
-
-    <Button
-        android:id="@+id/getAttributeContentBtn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="24dp"
-        android:text="Get Attribute "
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.2"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/scrollView3" />
-
-    <EditText
-        android:id="@+id/attributeNameInput"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
-        android:ems="10"
-        android:hint=" attribute name"
-        android:inputType="textPersonName"
-        app:layout_constraintStart_toStartOf="@+id/getAttributeContentBtn"
-        app:layout_constraintTop_toBottomOf="@+id/getAttributeContentBtn" />
-
-    <ScrollView
-        android:layout_width="380dp"
-        android:layout_height="80dp"
-        android:layout_marginTop="16dp"
-        android:background="#FF6C6C"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/attributeNameInput">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical">
-
-            <TextView
-                android:id="@+id/attributeContentView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:text="attribute content"
-                android:textAlignment="center"
-                android:textSize="18sp"
-                android:gravity="center_horizontal" />
-        </LinearLayout>
-    </ScrollView>
-
-    <Button
-        android:id="@+id/clearAttributeBtn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="6dp"
-        android:layout_marginLeft="6dp"
-        android:layout_marginTop="24dp"
-        android:layout_marginEnd="16dp"
-        android:layout_marginRight="16dp"
-        android:text="Clear Attribute"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@+id/getAttributeContentBtn"
-        app:layout_constraintTop_toBottomOf="@+id/scrollView3" />
-
     <Button
         android:id="@+id/goSecondDebugFragmentBtn"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
+        android:layout_marginTop="28dp"
-        android:layout_marginEnd="32dp"
+        android:layout_marginEnd="52dp"
-        android:layout_marginRight="32dp"
         android:text="2"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textView2" />
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/getNumberOfSentRequestsBtn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:text="Get number of sent requests"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.503"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/goSecondDebugFragmentBtn" />
+
+    <ScrollView
+        android:id="@+id/scrollView3"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="32dp"
+        app:layout_constraintEnd_toEndOf="@+id/getNumberOfSentRequestsBtn"
+        app:layout_constraintStart_toStartOf="@+id/getNumberOfSentRequestsBtn"
+        app:layout_constraintTop_toBottomOf="@+id/getNumberOfSentRequestsBtn">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/outputText"
+                android:layout_width="match_parent"
+                android:layout_height="100dp"
+                android:background="#6A5252"
+                android:backgroundTint="#E39595"
+                android:padding="4dp"
+                android:text="output" />
+        </LinearLayout>
+    </ScrollView>
+
+    <com.github.barteksc.pdfviewer.PDFView
+        android:id="@+id/pdfView"
+        android:layout_width="200dp"
+        android:layout_height="300dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/scrollView3"
+        app:layout_constraintVertical_bias="0.17000002" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/WikiSpot/app/src/main/res/layout/fragment_home.xml

@@ -1,12 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView 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"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@drawable/home_fragment_gradient_background"
     tools:background="@drawable/home_fragment_gradient_background"
-    tools:context=".fragments.homeFragment">
+    tools:context=".fragments.homeFragment"
+    android:orientation="vertical">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
 
         <TextView
             android:id="@+id/textView4"
@@ -25,12 +30,11 @@
             app:layout_constraintTop_toTopOf="parent" />
 
         <androidx.fragment.app.FragmentContainerView
-        android:name="com.example.wikispot.fragments.infoFragment"
             android:id="@+id/homeFragmentInnerFragment"
+            android:name="com.example.wikispot.fragments.infoFragment"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-        android:layout_marginStart="32dp"
+            android:layout_margin="16dp"
-        android:layout_marginEnd="32dp"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintHorizontal_bias="0.5"
@@ -39,5 +43,7 @@
 
         </androidx.fragment.app.FragmentContainerView>
 
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+
+</ScrollView>

app/WikiSpot/app/src/main/res/layout/fragment_info.xml

@@ -59,35 +59,24 @@
         </androidx.constraintlayout.widget.ConstraintLayout>
 
         <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/labeled_values_recycler_view"
             android:layout_width="match_parent"
-            android:layout_height="match_parent" />
+            android:layout_height="wrap_content"/>
 
         <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
             <ImageView
-                android:id="@+id/imageView3"
+                android:id="@+id/locationBtn"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginStart="32dp"
-                android:layout_marginTop="32dp"
-                android:layout_marginBottom="32dp"
-                android:src="@drawable/ic_baseline_chat_24"
-                app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent" />
-
-            <ImageView
-                android:id="@+id/imageView4"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="32dp"
-                android:layout_marginEnd="32dp"
                 android:layout_marginBottom="32dp"
                 android:src="@drawable/loacation_vector_asset"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent" />
         </androidx.constraintlayout.widget.ConstraintLayout>
 

app/WikiSpot/app/src/main/res/layout/fragment_map.xml

@@ -1,27 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<fragment 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"
+    android:id="@+id/map"
+    android:name="com.google.android.gms.maps.SupportMapFragment"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@drawable/map_fragment_gradient_background"
+    tools:context=".fragments.mapFragment" />
-    tools:background="@drawable/map_fragment_gradient_background"
-    tools:context=".fragments.mapFragment">
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:background="@drawable/text_background_gradient"
-        android:padding="5dp"
-        android:text="Map Fragment"
-        android:textColor="@color/white"
-        android:textSize="26sp"
-        android:textStyle="bold"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.5"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.23000002" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>

app/WikiSpot/app/src/main/res/layout/labeled_value_item.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="8dp"
+    card_view:cardCornerRadius="5dp"
+    android:backgroundTint="#00000000">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="4dp"
+        android:background="@drawable/contrasting_gradient_background">
+
+
+        <TextView
+            android:id="@+id/label"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginBottom="16dp"
+            android:text="TextView"
+            android:textSize="40sp"
+            card_view:layout_constraintBottom_toBottomOf="parent"
+            card_view:layout_constraintStart_toStartOf="parent"
+            card_view:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/value"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="32dp"
+            android:layout_marginBottom="16dp"
+            android:text="TextView"
+            android:textSize="40sp"
+            card_view:layout_constraintBottom_toBottomOf="parent"
+            card_view:layout_constraintEnd_toEndOf="parent"
+            card_view:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</androidx.cardview.widget.CardView>

app/WikiSpot/app/src/main/res/navigation/main_activity_navigation.xml

@@ -16,11 +16,8 @@
         android:label="fragment_explore"
         tools:layout="@layout/fragment_explore">
         <action
-            android:id="@+id/navigateToHomeFragment"
+            android:id="@+id/navigateToMapFragment"
             app:destination="@id/mapFragment" />
-        <action
-            android:id="@+id/action_exploreFragment_to_homeFragment"
-            app:destination="@id/homeFragment" />
         <action
             android:id="@+id/navigateToInfoFragment"
             app:destination="@id/infoFragment" />
@@ -33,6 +30,9 @@
         <action
             android:id="@+id/action_homeFragment_to_chatFragment"
             app:destination="@id/chatFragment" />
+        <action
+            android:id="@+id/homeFragment_to_mapFragment"
+            app:destination="@id/mapFragment" />
     </fragment>
     <fragment
         android:id="@+id/mapFragment"
@@ -42,6 +42,12 @@
         <action
             android:id="@+id/action_mapFragment_to_exploreFragment"
             app:destination="@id/exploreFragment" />
+        <argument
+            android:name="location"
+            app:argType="com.google.android.gms.maps.model.LatLng" />
+        <argument
+            android:name="markerTitle"
+            app:argType="string" />
     </fragment>
     <fragment
         android:id="@+id/settingsFragment"
@@ -75,8 +81,15 @@
         android:name="com.example.wikispot.fragments.infoFragment"
         android:label="fragment_info"
         tools:layout="@layout/fragment_info" >
+        <argument
+            android:name="loadAutomatically"
+            app:argType="boolean"
+            android:defaultValue="false" />
         <action
-            android:id="@+id/navigateBackToExploreFragmentFromInfoFragment"
+            android:id="@+id/navigateBackToExploreFragment"
             app:destination="@id/exploreFragment" />
+        <action
+            android:id="@+id/infoFragment_to_mapFragment"
+            app:destination="@id/mapFragment" />
     </fragment>
 </navigation>

app/WikiSpot/app/src/main/res/values/colors.xml

@@ -1,14 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="purple_200">#FFBB86FC</color>
-    <color name="purple_500">#FF6200EE</color>
-    <color name="purple_700">#FF3700B3</color>
-    <color name="teal_200">#FF03DAC5</color>
-    <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
 
     <!-- Light Theme -->
+    <color name="primary">#4CAF50</color>
+    <color name="primaryVariant">#388E3C</color>
+    <color name="onPrimary">@color/white</color>
+
+    <color name="secondary">#E91E63</color>
+    <color name="secondaryVariant">#F48FB1</color>
+    <color name="onSecondary">@color/black</color>
+
     <color name="bottomNavBarCheckedItemColor">#ECD21A1A</color>
     <color name="bottomNavBarItemColor">#320747</color>
     <color name="bottomNavBarRippleColor">#33C4BCC9</color>
@@ -45,9 +48,47 @@
     <color name="infoFragmentGradientEndColor" >#96E7FF</color>
 
     <!-- Dark Theme -->
+    <color name="primaryDark">#B078F4</color>
+    <color name="primaryVariantDark">#5100B3</color>
+    <color name="onPrimaryDark">@color/black</color>
+
+    <color name="secondaryDark">#FF03DAC5</color>
+    <color name="secondaryVariantDark">#FF03DAC5</color>
+    <color name="onSecondaryDark">@color/black</color>
+
     <color name="bottomNavBarCheckedItemColorDark">#FFB571</color>
     <color name="bottomNavBarItemColorDark">#320747</color>
     <color name="bottomNavBarRippleColorDark">#33222222</color>
     <color name="statusBarColorDark">#4527A0</color>
 
+    <color name="textBackgroundGradientStartColorDark" >#80E5BEFF</color>
+    <color name="textBackgroundGradientEndColorDark" >#80FFB5F0</color>
+
+    <color name="bottomNavBarGradientStartColorDark" >#FCDD94</color>
+    <color name="bottomNavBarGradientEndColorDark" >#C5F8AB</color>
+
+    <color name="chatFragmentGradientStartColorDark" >#FCB0EF</color>
+    <color name="chatFragmentGradientCenterColorDark" >#9ECFFF</color>
+    <color name="chatFragmentGradientEndColorDark" >#9FE7FF</color>
+
+    <color name="exploreFragmentGradientStartColorDark" >#A1DEFC</color>
+    <color name="exploreFragmentGradientCenterColorDark" >#A5CBFF</color>
+    <color name="exploreFragmentGradientEndColorDark" >#F9B6F6</color>
+
+    <color name="homeFragmentGradientStartColorDark" >#83E1FF</color>
+    <color name="homeFragmentGradientCenterColorDark" >#9EC6FF</color>
+    <color name="homeFragmentGradientEndColorDark" >#FEBBFF</color>
+
+    <color name="mapFragmentGradientStartColorDark" >#FBBEFC</color>
+    <color name="mapFragmentGradientCenterColorDark" >#A5CBFF</color>
+    <color name="mapFragmentGradientEndColorDark" >#95DDFC</color>
+
+    <color name="settingsFragmentGradientStartColorDark" >#92EB97FC</color>
+    <color name="settingsFragmentGradientCenterColorDark" >#A198F9</color>
+    <color name="settingsFragmentGradientEndColorDark" >#74C7F7</color>
+
+    <color name="infoFragmentGradientStartColorDark" >#FFB6FB</color>
+    <color name="infoFragmentGradientCenterColorDark" >#A7D2FF</color>
+    <color name="infoFragmentGradientEndColorDark" >#96E7FF</color>
+
 </resources>

app/WikiSpot/app/src/main/res/values/themes.xml

@@ -4,13 +4,13 @@
 
     <style name="Theme.WikiSpot" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
-        <item name="colorPrimary">#4CAF50</item>
+        <item name="colorPrimary">@color/primary</item>
-        <item name="colorPrimaryVariant">#388E3C</item>
+        <item name="colorPrimaryVariant">@color/primaryVariant</item>
-        <item name="colorOnPrimary">@color/white</item>
+        <item name="colorOnPrimary">@color/onPrimary</item>
         <!-- Secondary brand color. -->
-        <item name="colorSecondary">#E91E63</item>
+        <item name="colorSecondary">@color/secondary</item>
-        <item name="colorSecondaryVariant">#F48FB1</item>
+        <item name="colorSecondaryVariant">@color/secondaryVariant</item>
-        <item name="colorOnSecondary">@color/black</item>
+        <item name="colorOnSecondary">@color/onSecondary</item>
 
         <!-- For gradient Backgrounds -->
 
@@ -66,45 +66,45 @@
 
     <style name="Theme.WikiSpotDark" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
-        <item name="colorPrimary">#B078F4</item>
+        <item name="colorPrimary">@color/primaryDark</item>
-        <item name="colorPrimaryVariant">#5100B3</item>
+        <item name="colorPrimaryVariant">@color/primaryVariantDark</item>
-        <item name="colorOnPrimary">@color/black</item>
+        <item name="colorOnPrimary">@color/onPrimaryDark</item>
         <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondary">@color/secondaryDark</item>
-        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/secondaryVariantDark</item>
-        <item name="colorOnSecondary">@color/black</item>
+        <item name="colorOnSecondary">@color/onSecondaryDark</item>
 
         <!-- For gradient Backgrounds -->
 
-        <item name="textBackgroundGradientStartColor" >@color/textBackgroundGradientStartColor</item>
+        <item name="textBackgroundGradientStartColor" >@color/textBackgroundGradientStartColorDark</item>
-        <item name="textBackgroundGradientEndColor" >@color/textBackgroundGradientEndColor</item>
+        <item name="textBackgroundGradientEndColor" >@color/textBackgroundGradientEndColorDark</item>
 
-        <item name="bottomNavBarGradientStartColor" >@color/bottomNavBarGradientStartColor</item>
+        <item name="bottomNavBarGradientStartColor" >@color/bottomNavBarGradientStartColorDark</item>
-        <item name="bottomNavBarGradientEndColor" >@color/bottomNavBarGradientEndColor</item>
+        <item name="bottomNavBarGradientEndColor" >@color/bottomNavBarGradientEndColorDark</item>
 
-        <item name="chatFragmentGradientStartColor" >@color/chatFragmentGradientStartColor</item>
+        <item name="chatFragmentGradientStartColor" >@color/chatFragmentGradientStartColorDark</item>
-        <item name="chatFragmentGradientCenterColor" >@color/chatFragmentGradientCenterColor</item>
+        <item name="chatFragmentGradientCenterColor" >@color/chatFragmentGradientCenterColorDark</item>
-        <item name="chatFragmentGradientEndColor" >@color/chatFragmentGradientEndColor</item>
+        <item name="chatFragmentGradientEndColor" >@color/chatFragmentGradientEndColorDark</item>
 
-        <item name="exploreFragmentGradientStartColor" >@color/exploreFragmentGradientStartColor</item>
+        <item name="exploreFragmentGradientStartColor" >@color/exploreFragmentGradientStartColorDark</item>
-        <item name="exploreFragmentGradientCenterColor" >@color/exploreFragmentGradientCenterColor</item>
+        <item name="exploreFragmentGradientCenterColor" >@color/exploreFragmentGradientCenterColorDark</item>
-        <item name="exploreFragmentGradientEndColor" >@color/exploreFragmentGradientEndColor</item>
+        <item name="exploreFragmentGradientEndColor" >@color/exploreFragmentGradientEndColorDark</item>
 
-        <item name="homeFragmentGradientStartColor" >@color/homeFragmentGradientStartColor</item>
+        <item name="homeFragmentGradientStartColor" >@color/homeFragmentGradientStartColorDark</item>
-        <item name="homeFragmentGradientCenterColor" >@color/homeFragmentGradientCenterColor</item>
+        <item name="homeFragmentGradientCenterColor" >@color/homeFragmentGradientCenterColorDark</item>
-        <item name="homeFragmentGradientEndColor" >@color/homeFragmentGradientEndColor</item>
+        <item name="homeFragmentGradientEndColor" >@color/homeFragmentGradientEndColorDark</item>
 
-        <item name="mapFragmentGradientStartColor" >@color/mapFragmentGradientStartColor</item>
+        <item name="mapFragmentGradientStartColor" >@color/mapFragmentGradientStartColorDark</item>
-        <item name="mapFragmentGradientCenterColor" >@color/mapFragmentGradientCenterColor</item>
+        <item name="mapFragmentGradientCenterColor" >@color/mapFragmentGradientCenterColorDark</item>
-        <item name="mapFragmentGradientEndColor" >@color/mapFragmentGradientEndColor</item>
+        <item name="mapFragmentGradientEndColor" >@color/mapFragmentGradientEndColorDark</item>
 
-        <item name="settingsFragmentGradientStartColor" >@color/settingsFragmentGradientStartColor</item>
+        <item name="settingsFragmentGradientStartColor" >@color/settingsFragmentGradientStartColorDark</item>
-        <item name="settingsFragmentGradientCenterColor" >@color/settingsFragmentGradientCenterColor</item>
+        <item name="settingsFragmentGradientCenterColor" >@color/settingsFragmentGradientCenterColorDark</item>
-        <item name="settingsFragmentGradientEndColor" >@color/settingsFragmentGradientEndColor</item>
+        <item name="settingsFragmentGradientEndColor" >@color/settingsFragmentGradientEndColorDark</item>
 
-        <item name="infoFragmentGradientStartColor" >@color/infoFragmentGradientStartColor</item>
+        <item name="infoFragmentGradientStartColor" >@color/infoFragmentGradientStartColorDark</item>
-        <item name="infoFragmentGradientCenterColor" >@color/infoFragmentGradientCenterColor</item>
+        <item name="infoFragmentGradientCenterColor" >@color/infoFragmentGradientCenterColorDark</item>
-        <item name="infoFragmentGradientEndColor" >@color/infoFragmentGradientEndColor</item>
+        <item name="infoFragmentGradientEndColor" >@color/infoFragmentGradientEndColorDark</item>
 
         <!-- BottomNavCheckedItemColor -->
         <item name="bottomNavBarCheckedItemColor">@color/bottomNavBarCheckedItemColorDark</item>

app/WikiSpot/app/src/release/res/values/google_maps_api.xml

@@ -0,0 +1,20 @@
+<resources>
+    <!--
+    TODO: Before you release your application, you need a Google Maps API key.
+
+    To do this, you can either add your release key credentials to your existing
+    key, or create a new key.
+
+    Note that this file specifies the API key for the release build target.
+    If you have previously set up a key for the debug target with the debug signing certificate,
+    you will also need to set up a key for your release certificate.
+
+    Follow the directions here:
+
+    https://developers.google.com/maps/documentation/android/signup
+
+    Once you have your key (it starts with "AIza"), replace the "google_maps_key"
+    string in this file.
+    -->
+    <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">YOUR_KEY_HERE</string>
+</resources>

app/WikiSpot/build.gradle

@@ -7,9 +7,12 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.1.1"
+        classpath 'com.android.tools.build:gradle:4.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
+        def nav_version = "2.3.0-alpha04"
+        classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version"
+
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }