some changes

app/WikiSpot/app/build.gradle

@@ -53,4 +53,7 @@ dependencies {
     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'
 }

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

@@ -1,20 +1,24 @@
 package com.example.wikispot.activities
 
 import android.content.Intent
+import android.graphics.Bitmap
 import android.os.Bundle
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.navigation.findNavController
 import androidx.navigation.ui.setupWithNavController
-import com.example.wikispot.*
+import com.example.wikispot.IntentsKeys
+import com.example.wikispot.R
+import com.example.wikispot.ServerManagement
 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.PlacePreview
 import com.example.wikispot.modelsForAdapters.PlaceSupplier
 import kotlinx.android.synthetic.main.activity_main.*
-import kotlinx.android.synthetic.main.fragment_home.*
 
 class MainActivity : AppCompatActivity() {
 
@@ -51,12 +55,7 @@ class MainActivity : AppCompatActivity() {
                 when (mainFragmentHost.childFragmentManager.fragments[0]) {
                     is chatFragment -> {}
                     is exploreFragment -> {}
-                    is homeFragment -> {
-                        val view = mainFragmentHost.childFragmentManager.fragments[0].homeFragmentTextIdTest
-                        view.post {
-                            view.text = data
-                        }
-                    }
+                    is homeFragment -> {}
                     is mapFragment -> {}
                     is settingsFragment -> {}
                 }
@@ -64,13 +63,15 @@ class MainActivity : AppCompatActivity() {
 
         }
 
-        //ServerManagement.serverManager.addReceiverConnection(dataReceiver, this, "mainConnection", 0, "test0.json")
+        ServerManagement.serverManager.addReceiverConnection(dataReceiver, this, "mainConnection", 0, "test0.json")
         connectExploreFragmentAdapterModel()
     }
 
     override fun onPause() {
-        super.onPause()
+        PlaceSupplier.saveToCache(this)
         ServerManagement.serverManager.deleteConnection("mainConnection")
+        ServerManagement.serverManager.deleteConnection("exploreListConnection")
+        super.onPause()
     }
 
     private fun handleExtras() {
@@ -90,27 +91,69 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun connectExploreFragmentAdapterModel () {
+        // loading from cache
+        PlaceSupplier.loadFromCache(this)
+
+        // connecting to server
         val dataReceiver: (String) -> Unit = {data: String ->
             val json = JsonManager(this, data)
-            for (i in 0 until json.getLengthOfJsonArray()) {  // todo change to 1
+
+            if (PlaceSupplier.controlJson == null) {
+                PlaceSupplier.controlJson = JsonManagerLite(data)
+            }
+
+            for (i in 1 until json.getLengthOfJsonArray()) {  // todo change to 1
+
                 json.getJsonObject(i)
+                val id = json.getAttributeContent("ID").toInt()
                 json.getAttributeContent("description")
                 val title = json.getAttributeContent("title")
                 val shortDescription = json.getAttributeContent("description_s")
-                val place = PlacePreview(title, shortDescription)
-                if (!PlaceSupplier.places.contains(place)) {
+                val place = PlacePreview(title, shortDescription, null, id)
+
+                if (!PlaceSupplier.checkIfContains(place)) {
+
+                    val imageReceiver: (Bitmap) -> Unit = {bitmap: Bitmap ->
+                        place.img = bitmap
+                    }
+
+                    ServerManagement.serverManager.getImage(imageReceiver, id, "test.png", 3)
+
                     PlaceSupplier.appendPlace(place)
+                } else {
+                    val containingPlace = PlaceSupplier.getContainingInstance(place)
+                    if ((containingPlace != null) and (containingPlace?.img == null)) {
+                        val imageReceiver: (Bitmap) -> Unit = {bitmap: Bitmap ->
+                            containingPlace?.img = bitmap
                         }
+
+                        ServerManagement.serverManager.getImage(imageReceiver, id, "test.png", 3)
                     }
                 }
 
-        ServerManagement.serverManager.addReceiverConnection(dataReceiver, this, "exploreListConnection", 0, "", "GET_JSON_ARRAY")
+                json.clearSelectedAttribute()
+            }
         }
 
-    private fun restartAppPartially() {
+        ServerManagement.serverManager.addReceiverConnection(dataReceiver, this, "exploreListConnection", 0, "", "GET_WHOLE_ARRAY", 10000)
+    }
+
+    private fun restartAppPartially() {  // todo remove if not used
         val intent = Intent(applicationContext, MainActivity::class.java)
 
-        intent.putExtra(IntentsKeys.startFragment, "settingsFragment")
+        var currentNavHostFragmentName = "homeFragment"
+
+        try {
+            when (mainFragmentHost.childFragmentManager.fragments[0]) {
+                is chatFragment -> {currentNavHostFragmentName = "chatFragment"}
+                is exploreFragment -> {currentNavHostFragmentName= "exploreFragment"}
+                is homeFragment -> {currentNavHostFragmentName = "homeFragment"}
+                is mapFragment -> {currentNavHostFragmentName = "mapFragment"}
+                is settingsFragment -> {currentNavHostFragmentName = "settingsFragment"}
+            }
+        } catch (e: Throwable) { println(e) }
+
+        intent.putExtra(IntentsKeys.startFragment, currentNavHostFragmentName)
 
         startActivity(intent)
         finish()

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

@@ -4,9 +4,12 @@ import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.navigation.Navigation
 import androidx.recyclerview.widget.RecyclerView
 import com.example.wikispot.R
+import com.example.wikispot.ServerManagement
 import com.example.wikispot.modelsForAdapters.PlacePreview
+import com.example.wikispot.showToast
 import kotlinx.android.synthetic.main.explore_list_item.view.*
 
 
@@ -18,6 +21,10 @@ class PlacePreviewsAdapter(private val context: Context, private val placePrevie
         var pos: Int = 0
 
         init {
+            itemView.setOnClickListener {
+                ServerManagement.selectedServerId = currentPlacePreview?.id!!
+                Navigation.findNavController(it).navigate(R.id.navigateToInfoFragment)
+            }
         }
 
         fun setData(placePreview: PlacePreview?, pos: Int) {
@@ -25,7 +32,7 @@ class PlacePreviewsAdapter(private val context: Context, private val placePrevie
                 itemView.item_title.text = placePreview.title
                 itemView.item_description.text = placePreview.description
                 placePreview.img?.let {
-                    // TODO set image somehow
+                    itemView.item_img.setImageBitmap(placePreview.img)
                 }
             }
 

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

@@ -1,10 +1,15 @@
 package com.example.wikispot.fragments
 
+import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.example.wikispot.GeneralVariables
+import com.example.wikispot.IntentsKeys
 import com.example.wikispot.R
+import com.example.wikispot.ServerManagement
+import com.example.wikispot.activities.MainActivity
 import com.example.wikispot.adapters.PlacePreviewsAdapter
 import com.example.wikispot.modelsForAdapters.PlaceSupplier
 import kotlinx.android.synthetic.main.fragment_explore.*

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

@@ -1,21 +1,50 @@
 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 com.example.wikispot.R
-import com.example.wikispot.getStringFromSharedPreferences
-import com.example.wikispot.saveString
+import com.example.wikispot.ServerManagement
+import com.example.wikispot.modelClasses.JsonManager
 import kotlinx.android.synthetic.main.fragment_home.*
+import kotlinx.android.synthetic.main.fragment_info.view.*
 
 
 class homeFragment : Fragment(R.layout.fragment_home) {
 
+    var infoFragmentLoadedIn = false
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        //loadCache()
+        loadCache()
+    }
+
+    override fun onResume() {
+        super.onResume()
+
+        // connecting to server
+        val dataReceiver: (String) -> Unit = {data: String ->
+            try {
+                val json = JsonManager(requireContext(), data)
+
+                json.findJsonObjectByAttribute("ID", json.getAttributeContent("connected_id"))
+
+                if (!infoFragmentLoadedIn) {
+
+                    infoFragmentLoadedIn = true
+
+                    homeFragmentInnerFragment.post {
+                        homeFragmentInnerFragment.let { fragment ->
+                            fragment.mainTitle.text = json.getAttributeContentByPath("description/title")
+                            fragment.mainDescription.text = json.getAttributeContentByPath("description/description_l")
+                        }
+                    }
+                }
+            } catch (e: Throwable) { println(e) }
+        }
+
+        ServerManagement.serverManager.getData(dataReceiver, requireContext(), 0, "", "GET_JSON_ARRAY", 3)
+
     }
 
     override fun onPause() {
@@ -23,11 +52,7 @@ class homeFragment : Fragment(R.layout.fragment_home) {
         saveCache()
     }
 
-    private fun loadCache() {
-        homeFragmentTextIdTest.text = requireContext().getStringFromSharedPreferences("title", "homeFragmentCache" )
-    }
+    private fun loadCache() {}
 
-    private fun saveCache() {
-        requireContext().saveString("title", homeFragmentTextIdTest.text.toString(), "homeFragmentCache")
-    }
+    private fun saveCache() {}
 }

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

@@ -0,0 +1,19 @@
+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 com.example.wikispot.R
+import com.example.wikispot.modelClasses.JsonManager
+import kotlinx.android.synthetic.main.fragment_info.*
+
+
+class infoFragment() : Fragment(R.layout.fragment_info) {
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+    }
+
+}

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

@@ -7,7 +7,7 @@ import com.example.wikispot.showToast
 import org.json.JSONArray
 import org.json.JSONObject
 
-data class JsonManager(val context: Context, val data: String, val inputType: String = "JSONArray", val debug: Boolean = false) {
+data class JsonManager(private val context: Context, val data: String, val inputType: String = "JSONArray", val debug: Boolean = false) {
 
     var jsonArray: JSONArray? = null
     var currentJsonObject: JSONObject? = null
@@ -66,7 +66,9 @@ data class JsonManager(val context: Context, val data: String, val inputType: St
                         try {
                             return currentJsonAttribute0!!.get(name).toString()
                         } catch (exception: Throwable) {
-                            context.showToast("Invalid attribute name")
+                            if (debug) {
+                                context.showToast("Invalid attribute name: $name")
+                            }
                         }
                     }
                 }
@@ -83,7 +85,9 @@ data class JsonManager(val context: Context, val data: String, val inputType: St
                         try {
                             return currentJsonAttribute1!!.get(name.toInt()).toString()
                         } catch (exception: Throwable) {
-                            context.showToast("Invalid attribute name")
+                            if (debug) {
+                                context.showToast("Invalid attribute name: $name")
+                            }
                         }
                     }
                 }
@@ -100,13 +104,17 @@ data class JsonManager(val context: Context, val data: String, val inputType: St
                         try {
                             return currentJsonObject!!.get(name).toString()
                         } catch (exception: Throwable) {
-                            context.showToast("Invalid attribute name")
+                            if (debug) {
+                                context.showToast("Invalid attribute name: $name")
+                            }
                         }
                     }
                 }
             }
         } else {
-            context.showToast("Json file is null")
+            if (debug) {
+                context.showToast("Invalid attribute name: $name")
+            }
         }
 
         return ""
@@ -166,6 +174,30 @@ data class JsonManager(val context: Context, val data: String, val inputType: St
         return "get json attribute first"
     }
 
+    fun findJsonObjectByAttribute(attributePath: String, value: Any): String {
+        val currentJsonObjectSave = currentJsonObject
+
+        for (i in 0 until getLengthOfJsonArray()) {
+
+            getJsonObject(i)
+
+            val attributeContent = getAttributeContentByPath(attributePath)
+
+            if (attributeContent != "null") {
+
+                if (attributeContent == value.toString()) {
+                    return currentJsonObject.toString()
+                }
+
+            }
+
+        }
+
+        currentJsonObject = currentJsonObjectSave
+        return currentJsonObject.toString()
+
+    }
+
     // saving and loading
 
     fun saveJson(accessKey: String) {

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

@@ -0,0 +1,139 @@
+package com.example.wikispot.modelClasses
+
+import android.content.Context
+import com.example.wikispot.getStringFromSharedPreferences
+import com.example.wikispot.saveString
+import com.example.wikispot.showToast
+import org.json.JSONArray
+import org.json.JSONObject
+
+data class JsonManagerLite(val data: String, val inputType: String = "JSONArray") {
+
+    var jsonArray: JSONArray? = null
+    var currentJsonObject: JSONObject? = null
+    private var currentJsonAttribute0: JSONObject? = null
+    private var currentJsonAttribute1: JSONArray? = null
+
+    init {
+        if (inputType == "JSONArray") {
+            jsonArray = JSONArray(data)
+            try {
+                currentJsonObject = jsonArray!!.getJSONObject(0)
+            } catch (exception: Throwable) {}
+
+        } else if (inputType == "JSONObject") {
+            currentJsonObject = JSONObject(data)
+        }
+    }
+
+    fun getJsonObject(i: Int): JSONObject? {
+        jsonArray?.let {
+            currentJsonObject = jsonArray?.getJSONObject(i)
+            return currentJsonObject
+        }
+
+        return null
+    }
+
+    fun getAttributeContent(name: String): String {
+        if (currentJsonObject != null) {
+            if (currentJsonAttribute0 != null) {
+                try {
+                    currentJsonAttribute0 = currentJsonAttribute0!!.getJSONObject(name)
+                    return currentJsonAttribute0.toString()
+                } catch (exception: Throwable) {
+                    try {
+                        currentJsonAttribute1 = currentJsonAttribute0!!.getJSONArray(name)
+                        currentJsonAttribute0 = null
+                        return currentJsonAttribute1.toString()
+                    } catch (exception: Throwable) {
+                        try {
+                            return currentJsonAttribute0!!.get(name).toString()
+                        } catch (exception: Throwable) { }
+                    }
+                }
+            } else if (currentJsonAttribute1 != null) {
+                try {
+                    currentJsonAttribute0 = currentJsonAttribute1!!.getJSONObject(name.toInt())
+                    return currentJsonAttribute0.toString()
+                } catch (exception: Throwable) {
+                    try {
+                        currentJsonAttribute1 = currentJsonAttribute1!!.getJSONArray(name.toInt())
+                        currentJsonAttribute0 = null
+                        return currentJsonAttribute1.toString()
+                    } catch (exception: Throwable) {
+                        try {
+                            return currentJsonAttribute1!!.get(name.toInt()).toString()
+                        } catch (exception: Throwable) { }
+                    }
+                }
+            } else {
+                try {
+                    currentJsonAttribute0 = currentJsonObject!!.getJSONObject(name)
+                    return currentJsonAttribute0.toString()
+                } catch (exception: Throwable) {
+                    try {
+                        currentJsonAttribute1 = currentJsonObject!!.getJSONArray(name)
+                        currentJsonAttribute0 = null
+                        return currentJsonAttribute1.toString()
+                    } catch (exception: Throwable) {
+                        try {
+                            return currentJsonObject!!.get(name).toString()
+                        } catch (exception: Throwable) { }
+                    }
+                }
+            }
+        }
+
+        return ""
+    }
+
+    fun getAttributeContentByPath(path: String): String {
+        val steps = path.split("/")
+
+        val currentJsonAttributesBackup = listOf(currentJsonAttribute0, currentJsonAttribute1)  // backing up selected jsonAttributes
+
+        // getting the attribute
+        clearSelectedAttribute()
+        var result: Any? = null
+        for (step in steps) {
+            try {
+                result = getAttributeContent(step)
+            } catch (exception: Throwable) {
+                // loading back saved json attributes
+                currentJsonAttribute0 = currentJsonAttributesBackup[0] as JSONObject?
+                currentJsonAttribute1 = currentJsonAttributesBackup[1] as JSONArray?
+                return ""
+            }
+        }
+
+        // loading back saved json attributes
+        currentJsonAttribute0 = currentJsonAttributesBackup[0] as JSONObject?
+        currentJsonAttribute1 = currentJsonAttributesBackup[1] as JSONArray?
+
+        // returning result
+        return result.toString()
+    }
+
+    fun clearSelectedAttribute() {
+        currentJsonAttribute0 = null
+        currentJsonAttribute1 = null
+    }
+
+    fun getLengthOfJsonArray(): Int {
+        return if (jsonArray != null) {
+            jsonArray!!.length()
+        } else {
+            0
+        }
+    }
+
+    fun getCurrentJsonAttributeContent(): String {
+        if (currentJsonAttribute0 != null) {
+            return currentJsonAttribute0.toString()
+        } else if (currentJsonAttribute1 != null) {
+            return currentJsonAttribute1.toString()
+        }
+        return "get json attribute first"
+    }
+}

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

@@ -1,12 +1,15 @@
 package com.example.wikispot.modelClasses
 
 import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
 import android.widget.TextView
 import com.example.wikispot.ServerManagement
 import okhttp3.*
 import org.json.JSONArray
 import org.json.JSONObject
 import java.io.IOException
+import java.io.InputStream
 
 class ServerManager {
 
@@ -30,120 +33,6 @@ class ServerManager {
                 val request = Request.Builder().url(url).build()
                 val client = OkHttpClient()
 
-                client.newCall(request).enqueue(object : Callback {
-                    override fun onResponse(call: Call, response: Response) {
-                        response.body?.let {
-                            val receivedString = response.body!!.string()
-                            if (receivedString == "Internal Server Error") {
-                                return
-                            }
-
-                            try {
-                                JSONArray(receivedString)
-
-                                val jsonManager = JsonManager(context, receivedString)
-                                if (path == "") {
-                                    jsonManager.getJsonObject(serverId)
-                                } else {
-                                    if (attributePath == "") {
-                                        throw Throwable()
-                                    }
-                                }
-
-                                if(attributePath != "") {
-                                    dataReceiver(jsonManager.getAttributeContentByPath(attributePath))
-                                } else {
-                                    dataReceiver(jsonManager.currentJsonObject.toString())
-                                }
-
-                            } catch (exception: Throwable) {
-                                try {
-                                    JSONObject(receivedString)
-
-                                    val jsonManager = JsonManager(context, receivedString, "JSONObject")
-
-                                    if(attributePath != "") {
-                                        dataReceiver(jsonManager.getAttributeContentByPath(attributePath))
-                                    } else {
-                                        dataReceiver(jsonManager.currentJsonObject.toString())
-                                    }
-
-                                } catch (exception: Throwable) {
-                                    dataReceiver(receivedString)
-                                }
-                            }
-                        }
-                    }
-
-                    override fun onFailure(call: Call, e: IOException) {
-                        println("Request Failed")
-                        println(e)
-                    }
-                })
-
-                Thread.sleep(ServerManagement.dataRequestOnAttemptWait)
-            }
-        }
-    }
-
-    // connections
-
-    fun clearConnections() {
-        for (i in 0 until receiverConnections.size) {
-            receiverConnections[i].running = false
-            receiverConnections.removeAt(i)
-        }
-        for (i in 0 until viewConnections.size) {
-            viewConnections[i].running = false
-            viewConnections.removeAt(i)
-        }
-    }
-
-    fun deleteConnection(connectionName: String, connectionType: String="any") {  // other types are any, activity and view
-        if ((connectionType == "any") or (connectionType == "activity")) {
-            for (i in 0 until receiverConnections.size) {  // checking in connections
-                if (receiverConnections[i].connectionName == connectionName) {
-                    receiverConnections[i].running = false
-                    receiverConnections.removeAt(i)
-                }
-            }
-        }
-
-        if ((connectionType == "any") or (connectionType == "view")) {
-            for (i in 0 until viewConnections.size) {  // checking in connections
-                if (viewConnections[i].connectionName == connectionName) {
-                    viewConnections[i].running = false
-                    viewConnections.removeAt(i)
-                }
-            }
-        }
-    }
-
-    fun addReceiverConnection(dataReceiver: (String) -> Unit, context: Context, connectionName: String, serverId: Int, path: String?=null, attributePath: String="") {
-        receiverConnections.add(ReceiverConnection(dataReceiver, context, connectionName, serverId, path, attributePath))
-    }
-
-    inner class ReceiverConnection(val dataReceiver: (String) -> Unit, val context: Context, val connectionName: String, val serverId: Int, val path: String?=null, val attributePath: String) {
-
-        var running = true
-
-        init {
-            val checkingServerDataThread = Thread(CheckingServerData())
-            checkingServerDataThread.start()
-        }
-
-        inner class CheckingServerData : Runnable {
-            override fun run() {
-                while (running) {
-                    var url = "${ServerManagement.baseUrl}devices_list"
-
-                    if (path != "") {
-                        url = "${ServerManagement.baseUrl}files/$serverId/$path"
-                    }
-
-                    val request = Request.Builder().url(url).build()
-                    val client = OkHttpClient()
-
                 client.newCall(request).enqueue(object : Callback {
                     override fun onResponse(call: Call, response: Response) {
                         response.body?.let {
@@ -199,7 +88,155 @@ class ServerManager {
                     }
                 })
 
-                    Thread.sleep(ServerManagement.receiverConnectionOnCheckWait)
+                Thread.sleep(ServerManagement.dataRequestOnAttemptWait)
+            }
+        }
+    }
+
+    fun getImage(imageReceiver: (Bitmap) -> Unit, serverId: Int, path: String, numberOfAttempts: Int) {
+        val imageRequestThread = Thread(ImageRequest(imageReceiver, serverId, path, numberOfAttempts))
+        imageRequestThread.start()
+    }
+
+    inner class ImageRequest(val imageReceiver: (Bitmap) -> Unit, val serverId: Int, val path: String, private val numberOfAttempts: Int): Runnable {
+        override fun run() {
+            for (i in 0 until numberOfAttempts) {
+                val url = "${ServerManagement.baseUrl}files/$serverId/$path"
+
+                try {
+                    val inputStream = java.net.URL(url).openStream()
+                    val bitmap = BitmapFactory.decodeStream(inputStream)
+
+                    imageReceiver(bitmap)
+                } catch (e: Throwable) { println(e) }
+
+                Thread.sleep(ServerManagement.imageRequestOnAttemptWait)
+            }
+        }
+    }
+
+    // connections
+
+    fun clearConnections() {
+        for (i in 0 until receiverConnections.size) {
+            try {
+                receiverConnections[i].running = false
+                receiverConnections.removeAt(i)
+            } catch (e: Throwable) { println("In clearConnections: $e") }
+        }
+        for (i in 0 until viewConnections.size) {
+            try {
+                viewConnections[i].running = false
+                viewConnections.removeAt(i)
+            } catch (e: Throwable) { println("In clearConnections: $e") }
+        }
+    }
+
+    fun deleteConnection(connectionName: String, connectionType: String="any") {  // other types are any, activity and view
+        if ((connectionType == "any") or (connectionType == "activity")) {
+            for (i in 0 until receiverConnections.size) {  // checking in connections
+                try {
+                    if (receiverConnections[i].connectionName == connectionName) {
+                        receiverConnections[i].running = false
+                        receiverConnections.removeAt(i)
+                    }
+                } catch (e: Throwable) { println("In deleteConnection: $e") }
+            }
+        }
+
+        if ((connectionType == "any") or (connectionType == "view")) {
+            for (i in 0 until viewConnections.size) {  // checking in connections
+                try {
+                    if (viewConnections[i].connectionName == connectionName) {
+                        viewConnections[i].running = false
+                        viewConnections.removeAt(i)
+                    }
+                } catch (e: Throwable) { println("In deleteConnection: $e") }
+            }
+        }
+    }
+
+    fun addReceiverConnection(dataReceiver: (String) -> Unit, context: Context, connectionName: String, serverId: Int, path: String?=null, attributePath: String="", waitTime: Long=ServerManagement.receiverConnectionOnCheckWait) {
+        receiverConnections.add(ReceiverConnection(dataReceiver, context, connectionName, serverId, path, attributePath, waitTime))
+    }
+
+    inner class ReceiverConnection(val dataReceiver: (String) -> Unit, val context: Context, val connectionName: String, val serverId: Int, val path: String?=null, val attributePath: String, val waitTime: Long) {
+
+        var running = true
+
+        init {
+            val checkingServerDataThread = Thread(CheckingServerData())
+            checkingServerDataThread.start()
+        }
+
+        inner class CheckingServerData : Runnable {
+            override fun run() {
+                while (running) {
+                    var url = "${ServerManagement.baseUrl}devices_list"
+
+                    if (path != "") {
+                        url = "${ServerManagement.baseUrl}files/$serverId/$path"
+                    }
+
+                    val request = Request.Builder().url(url).build()
+                    val client = OkHttpClient()
+
+                    client.newCall(request).enqueue(object : Callback {
+                        override fun onResponse(call: Call, response: Response) {
+                            response.body?.let {
+                                val receivedString = response.body!!.string()
+                                if (receivedString == "Internal Server Error") {
+                                    return
+                                }
+
+                                try {
+                                    JSONArray(receivedString)
+
+                                    val jsonManager = JsonManager(context, receivedString)
+                                    if (path == "") {
+                                        if (attributePath == "GET_WHOLE_ARRAY") {
+                                            dataReceiver(jsonManager.jsonArray.toString())
+                                            return
+                                        }
+                                        jsonManager.getJsonObject(serverId)
+                                    } else {
+                                        if (attributePath == "") {
+                                            throw Throwable()
+                                        }
+                                    }
+
+                                    if(attributePath != "") {
+                                        dataReceiver(jsonManager.getAttributeContentByPath(attributePath))
+                                    } else {
+                                        dataReceiver(jsonManager.currentJsonObject.toString())
+                                    }
+
+                                } catch (exception: Throwable) {
+                                    try {
+                                        JSONObject(receivedString)
+
+                                        val jsonManager = JsonManager(context, receivedString, "JSONObject")
+
+                                        if(attributePath != "") {
+                                            dataReceiver(jsonManager.getAttributeContentByPath(attributePath))
+                                        } else {
+                                            dataReceiver(jsonManager.currentJsonObject.toString())
+                                        }
+
+                                    } catch (exception: Throwable) {
+                                        dataReceiver(receivedString)
+                                    }
+                                }
+                            }
+                        }
+
+                        override fun onFailure(call: Call, e: IOException) {
+                            println("Request Failed")
+                            println(e)
+                        }
+                    })
+
+                    Thread.sleep(waitTime)
                 }
             }
         }
@@ -245,6 +282,10 @@ class ServerManager {
 
                                     val jsonManager = JsonManager(context, receivedString)
                                     if (path == "") {
+                                        if (attributePath == "GET_WHOLE_ARRAY") {
+                                            view.text = jsonManager.jsonArray.toString()
+                                            return
+                                        }
                                         jsonManager.getJsonObject(serverId)
                                     } else {
                                         if (attributePath == "") {

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

@@ -1,8 +1,15 @@
 package com.example.wikispot.modelsForAdapters
 
+import android.content.Context
+import android.graphics.Bitmap
 import android.media.Image
+import com.example.wikispot.getStringFromSharedPreferences
+import com.example.wikispot.modelClasses.JsonManager
+import com.example.wikispot.modelClasses.JsonManagerLite
+import com.example.wikispot.saveString
+import org.json.JSONArray
 
-data class PlacePreview(var title: String, var description: String, var img: Image? = null) {
+data class PlacePreview(var title: String, var description: String, var img: Bitmap? = null, val id: Int?=null) {
 
     init {
         val words = description.split(" ")
@@ -11,11 +18,15 @@ data class PlacePreview(var title: String, var description: String, var img: Ima
 
         for (word in words) {
             if (lastLine.length + word.length < 40) {
-                lastLine += " $word"
-                description += " $word"
+                if (lastLine != "") {
+                    lastLine += " "
+                    description += " "
+                }
+                lastLine += word
+                description += word
             } else {
-                description += "\n $word"
-                lastLine = " $word"
+                description += "\n$word"
+                lastLine = word
             }
         }
     }
@@ -23,18 +34,9 @@ data class PlacePreview(var title: String, var description: String, var img: Ima
 
 object PlaceSupplier {
 
-    var places = arrayOf<PlacePreview?>(
-        PlacePreview("Castle", "Its ruins had been repaired to stable state."),
-        PlacePreview("Library", "You can find books here."),
-        PlacePreview("Bakery", "You can buy bread here."),
-        PlacePreview("School", "You can learn stuff here."),
-        PlacePreview("Castle", "Its ruins had been repaired to stable state."),
-        PlacePreview("Library", "You can find books here."),
-        PlacePreview("Bakery", "You can buy bread here."),
-        PlacePreview("School", "You can learn stuff here."),
-        PlacePreview("Library", "You can find books here."),
-        PlacePreview("Bakery", "You can buy bread here.")
-    )
+    var controlJson: JsonManagerLite? = null
+
+    var places = arrayOf<PlacePreview?>()
 
     fun appendPlace(place: PlacePreview) {
         val array = places.copyOf(places.size + 1)
@@ -42,4 +44,83 @@ object PlaceSupplier {
         places = array
     }
 
+    fun checkIfContains(place: PlacePreview): Boolean {
+        for (n in places.indices) {
+            places[n]?.let {
+                if (places[n]?.title == place.title) {
+                    if (places[n]?.description == place.description) {
+                        return true
+                    }
+                }
+            }
+        }
+        return false
+    }
+
+    fun getContainingInstance(place: PlacePreview): PlacePreview? {
+        for (n in places.indices) {
+            places[n]?.let {
+                if (places[n]?.title == place.title) {
+                    if (places[n]?.description == place.description) {
+                        return places[n]
+                    }
+                }
+            }
+        }
+        return null
+    }
+
+    // loading from and saving to cache
+    fun loadFromCache(context: Context) {
+        println("loading")
+        var save = context.getStringFromSharedPreferences("placePreviews", "exploreFragmentCache")
+        if (save.isEmpty()) {
+            save = "[]"
+        }
+        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())
+            if (!checkIfContains(place)) {
+                appendPlace(place)
+            }
+        }
+    }
+
+    fun saveToCache(context: Context) {
+        val save = JSONArray()
+
+        for (n in places.indices) {
+            val place = places[n]
+            if (getSavePermission(place)) {
+                save.put(n, "${place!!.title}|||||${place.description}|||||${place.id}")
+            }
+        }
+        //save.put("hi|||||sdhsiujdghsiuy|||||45")
+
+        context.saveString("placePreviews", save.toString(), "exploreFragmentCache")
+    }
+
+    private fun getSavePermission(place: PlacePreview?): Boolean {
+        if (controlJson == null) {
+            return true
+        }
+
+        place?.let {
+            for (n in 1 until controlJson!!.getLengthOfJsonArray()) {
+                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"))
+                        if (place.description == tempPlace.description) {
+                            return true
+                        }
+                    }
+                }
+            }
+        }
+
+        return false
+    }
+
 }

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

@@ -18,10 +18,12 @@ object IntentsKeys {
 
 object ServerManagement {
     var serverManager = ServerManager()
-    const val receiverConnectionOnCheckWait: Long = 20000
+    const val receiverConnectionOnCheckWait: Long = 4000
     const val viewConnectionOnCheckWait: Long = 5000
     const val dataRequestOnAttemptWait: Long = 2000
+    const val imageRequestOnAttemptWait: Long = 2000
     const val baseUrl = "http://192.168.1.230:8000/"
+    var selectedServerId = 0
 }
 
 

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

@@ -3,8 +3,15 @@
     android:shape="rectangle">
     <gradient
         android:centerX="1"
-        android:startColor="#FCDD94"
-        android:endColor="#C5F8AB"
+        android:startColor="?attr/bottomNavBarGradientStartColor"
+        android:endColor="?attr/bottomNavBarGradientEndColor"
         android:angle="45"
         android:type="sweep" />
 </shape>
+
+<!-- <gradient
+        android:centerX="1"
+        android:startColor="#FCDD94"
+        android:endColor="#C5F8AB"
+        android:angle="45"
+        android:type="sweep" /> -->

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

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <gradient
+        android:startColor="?attr/chatFragmentGradientStartColor"
+        android:centerColor="?attr/chatFragmentGradientCenterColor"
+        android:endColor="?attr/chatFragmentGradientEndColor"
+        android:angle="90"
+        />
+
+    <stroke
+        android:color="#7FFFFFFF"
+        android:width="10dp"/>
+
+</shape>

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

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <gradient
+        android:startColor="?attr/exploreFragmentGradientStartColor"
+        android:centerColor="?attr/exploreFragmentGradientCenterColor"
+        android:endColor="?attr/exploreFragmentGradientEndColor"
+        android:type="linear"
+        android:angle="-90"
+        />
+
+</shape>

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

@@ -2,8 +2,14 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
     <gradient
-        android:startColor="#650822"
-        android:centerColor="#A7451E"
-        android:endColor="#CB7715"
+        android:startColor="?attr/homeFragmentGradientStartColor"
+        android:centerColor="?attr/homeFragmentGradientCenterColor"
+        android:endColor="?attr/homeFragmentGradientEndColor"
         android:angle="135" />
 </shape>
+
+<!-- <gradient
+        android:startColor="#79AFFB"
+        android:centerColor="#9E94F8"
+        android:endColor="#EB8FFB"
+        android:angle="135" /> -->

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

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108"
+    android:tint="#2E0F4B">
+  <group android:scaleX="0.21506493"
+      android:scaleY="0.21506493"
+      android:translateX="29.16"
+      android:translateY="36.080723">
+    <group android:translateY="136.26562">
+      <path android:pathData="M83.765625,-16.046875L67.109375,-78L50.234375,-16.046875Q48.265625,-9,47.09375,-5.921875Q45.9375,-2.859375,43.046875,-0.421875Q40.171875,2,35.390625,2Q31.53125,2,29.03125,0.546875Q26.53125,-0.890625,24.984375,-3.53125Q23.4375,-6.1875,22.453125,-9.8125Q21.46875,-13.453125,20.703125,-16.5625L3.546875,-86.21875Q2,-92.296875,2,-95.46875Q2,-99.5,4.8125,-102.25Q7.625,-105,11.765625,-105Q17.46875,-105,19.4375,-101.3125Q21.40625,-97.640625,22.875,-90.625L36.375,-30L51.5,-86.734375Q53.1875,-93.25,54.515625,-96.640625Q55.859375,-100.046875,58.875,-102.515625Q61.90625,-105,67.109375,-105Q72.375,-105,75.296875,-102.40625Q78.21875,-99.828125,79.34375,-96.78125Q80.46875,-93.734375,82.359375,-86.734375L97.625,-30L111.125,-90.625Q112.109375,-95.375,112.984375,-98.0625Q113.859375,-100.75,116,-102.875Q118.15625,-105,122.234375,-105Q126.3125,-105,129.15625,-102.28125Q132,-99.5625,132,-95.46875Q132,-92.578125,130.45312,-86.21875L113.296875,-16.5625Q111.546875,-9.5,110.375,-6.21875Q109.21875,-2.9375,106.4375,-0.46875Q103.671875,2,98.609375,2Q93.828125,2,90.9375,-0.390625Q88.0625,-2.796875,86.9375,-5.78125Q85.8125,-8.78125,83.765625,-16.046875Z"
+          android:fillColor="#2E0F4B"/>
+      <path android:pathData="M224,-30.5Q224,-21.203125,219.23438,-13.796875Q214.46875,-6.390625,205.28125,-2.1875Q196.10938,2,183.51562,2Q168.42188,2,158.60938,-3.640625Q151.6875,-7.78125,147.35938,-14.703125Q143.03125,-21.625,143.03125,-28.171875Q143.03125,-31.96875,145.625,-34.671875Q148.21875,-37.375,152.23438,-37.375Q155.48438,-37.375,157.73438,-35.25Q159.98438,-33.125,161.57812,-28.9375Q163.54688,-23.984375,165.82812,-20.65625Q168.10938,-17.328125,172.25,-15.15625Q176.39062,-13,183.14062,-13Q192.40625,-13,198.20312,-17.359375Q204,-21.71875,204,-28.234375Q204,-33.40625,200.875,-36.625Q197.75,-39.84375,192.78125,-41.546875Q187.82812,-43.25,179.53125,-45.15625Q168.53125,-47.78125,161.10938,-51.28125Q153.70312,-54.796875,149.34375,-60.859375Q145,-66.921875,145,-75.921875Q145,-84.515625,149.59375,-91.171875Q154.1875,-97.84375,162.875,-101.421875Q171.5625,-105,183.32812,-105Q192.70312,-105,199.54688,-102.625Q206.40625,-100.25,210.92188,-96.3125Q215.45312,-92.375,217.53125,-88.046875Q219.625,-83.71875,219.625,-79.609375Q219.625,-75.84375,217.04688,-72.828125Q214.48438,-69.8125,210.65625,-69.8125Q207.15625,-69.8125,205.34375,-71.71875Q203.53125,-73.640625,201.40625,-78Q198.59375,-83.65625,194.65625,-86.828125Q190.71875,-90,182,-90Q173.92188,-90,168.95312,-86.421875Q164,-82.84375,164,-77.8125Q164,-74.703125,165.6875,-72.4375Q167.375,-70.171875,170.32812,-68.53125Q173.28125,-66.90625,176.29688,-65.984375Q179.32812,-65.0625,186.28125,-63.296875Q194.85938,-61.25,201.8125,-58.765625Q208.78125,-56.28125,213.65625,-52.734375Q218.53125,-49.203125,221.26562,-43.78125Q224,-38.359375,224,-30.5Z"
+          android:fillColor="#2E0F4B"/>
+    </group>
+  </group>
+</vector>

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

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <gradient
+        android:startColor="?attr/infoFragmentGradientStartColor"
+        android:centerColor="?attr/infoFragmentGradientCenterColor"
+        android:endColor="?attr/infoFragmentGradientEndColor"
+        android:angle="225"/>
+
+</shape>

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

@@ -3,9 +3,9 @@
     android:shape="rectangle">
     <gradient
         android:centerY="0.6"
-        android:startColor="#851D30"
-        android:centerColor="#B45B14"
-        android:endColor="#D5661F"
+        android:startColor="?attr/mapFragmentGradientStartColor"
+        android:centerColor="?attr/mapFragmentGradientCenterColor"
+        android:endColor="?attr/mapFragmentGradientEndColor"
         android:type="linear"
         android:angle="225"/>
 </shape>

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

@@ -1,14 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <gradient
-        android:startColor="#650822"
-        android:centerColor="#A7451E"
-        android:endColor="#CB7715"
-        android:angle="135" />
+
     <gradient
         android:centerY="0.7"
-        android:startColor="#92DD4B4B"
-        android:endColor="#CD742B"
+        android:startColor="?attr/settingsFragmentGradientStartColor"
+        android:centerColor="?attr/settingsFragmentGradientCenterColor"
+        android:endColor="?attr/settingsFragmentGradientEndColor"
         android:type="sweep"/>
+
 </shape>

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

@@ -2,8 +2,8 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
     <gradient
-        android:startColor="#80FBBE17"
-        android:endColor="#8039E38B"
+        android:startColor="?attr/textBackgroundGradientStartColor"
+        android:endColor="?attr/textBackgroundGradientEndColor"
         android:angle="45"
         android:type="linear" />
 </shape>

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

@@ -16,7 +16,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:itemIconTint="@color/bottom_nav_bar_item_color"
         app:itemTextColor="@color/bottom_nav_bar_item_color"
-        android:background="@drawable/gradient_fill_for_bottom_nav_bar"
+        android:background="@drawable/bottom_nav_bar_gradient_background"
         app:menu="@menu/main_bottom_nav_menu" />
 
     <fragment

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

@@ -4,8 +4,8 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/chatFragmentBg"
-    tools:background="@color/chatFragmentBackground"
+    android:background="@drawable/chat_fragment_gradient_background"
+    tools:background="@drawable/chat_fragment_gradient_background"
     tools:context=".fragments.chatFragment">
 
     <TextView

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

@@ -4,8 +4,8 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/exploreFragmentBg"
-    tools:background="@color/exploreFragmentBackground"
+    android:background="@drawable/explore_fragment_gradient_background"
+    tools:background="@drawable/explore_fragment_gradient_background"
     tools:context=".fragments.exploreFragment">
 
     <ScrollView

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

@@ -9,20 +9,35 @@
     tools:context=".fragments.homeFragment">
 
     <TextView
-        android:id="@+id/homeFragmentTextIdTest"
+        android:id="@+id/textView4"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginTop="60dp"
         android:background="@drawable/text_background_gradient"
         android:padding="5dp"
-        android:text="Home Fragment"
-        android:textColor="#fff"
-        android:textSize="24sp"
+        android:text="@string/home"
+        android:textColor="@color/white"
+        android:textSize="28sp"
         android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.fragment.app.FragmentContainerView
+        android:name="com.example.wikispot.fragments.infoFragment"
+        android:id="@+id/homeFragmentInnerFragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="32dp"
+        android:layout_marginEnd="32dp"
         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="0.22000003" />
+        app:layout_constraintTop_toBottomOf="@+id/textView4">
+
+    </androidx.fragment.app.FragmentContainerView>
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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/info_fragment_gradient_background"
+    tools:background="@drawable/info_fragment_gradient_background"
+    tools:context=".fragments.infoFragment">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/mainTitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="32dp"
+                android:background="@drawable/text_background_gradient"
+                android:padding="5dp"
+                android:text=""
+                android:textColor="#fff"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintHorizontal_bias="0.5"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <ImageView
+                android:id="@+id/mainImage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="32dp"
+                android:src="@drawable/ic_baseline_image_24"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintHorizontal_bias="0.5"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/mainTitle" />
+
+            <TextView
+                android:id="@+id/mainDescription"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="32dp"
+                android:text=""
+                android:textAlignment="center"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintHorizontal_bias="0.5"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/mainImage" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <ImageView
+                android:id="@+id/imageView3"
+                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_constraintTop_toTopOf="parent" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </LinearLayout>
+
+</ScrollView>

app/WikiSpot/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

app/WikiSpot/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

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

@@ -21,6 +21,9 @@
         <action
             android:id="@+id/action_exploreFragment_to_homeFragment"
             app:destination="@id/homeFragment" />
+        <action
+            android:id="@+id/navigateToInfoFragment"
+            app:destination="@id/infoFragment" />
     </fragment>
     <fragment
         android:id="@+id/homeFragment"
@@ -67,4 +70,13 @@
             android:id="@+id/navigateBackToDebugFragment"
             app:destination="@id/debugFragment" />
     </fragment>
+    <fragment
+        android:id="@+id/infoFragment"
+        android:name="com.example.wikispot.fragments.infoFragment"
+        android:label="fragment_info"
+        tools:layout="@layout/fragment_info" >
+        <action
+            android:id="@+id/navigateBackToExploreFragmentFromInfoFragment"
+            app:destination="@id/exploreFragment" />
+    </fragment>
 </navigation>

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

@@ -1,39 +0,0 @@
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <!-- Dark themes below -->
-    <style name="Theme.WikiSpot" parent="Theme.MaterialComponents.DayNight.NoActionBar">
-        <!-- Primary brand color. -->
-        <item name="colorPrimary">#B078F4</item>
-        <item name="colorPrimaryVariant">#5100B3</item>
-        <item name="colorOnPrimary">@color/black</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/teal_200</item>
-        <item name="colorSecondaryVariant">@color/teal_200</item>
-        <item name="colorOnSecondary">@color/black</item>
-
-        <!-- Backgrounds -->
-        <item name="chatFragmentBg">#3A4460</item>
-        <item name="exploreFragmentBg">#2E3E43</item>
-        <item name="homeFragmentBg">#424F34</item>
-        <item name="mapFragmentBg">#48443B</item>
-        <item name="settingsFragmentBg">#453C32</item>
-
-        <!-- BottomNavCheckedItemColor -->
-        <item name="bottomNavBarCheckedItemColor">@color/bottomNavBarCheckedItemColorDark</item>
-
-        <!-- Other items -->
-
-        <item name="bottomNavigationStyle">@style/Widget.App.BottomNavigationViewDark</item>
-
-        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
-    </style>
-
-
-    <style name="Widget.App.BottomNavigationViewDark" parent="Widget.MaterialComponents.BottomNavigationView.Colored">
-        <item name="materialThemeOverlay">@style/ThemeOverlay.App.BottomNavigationViewDark</item>
-    </style>
-
-    <style name="ThemeOverlay.App.BottomNavigationViewDark" parent="">
-        <item name="colorPrimary">#9758BC</item>
-        <item name="colorOnPrimary">#41254E</item>
-    </style>
-</resources>

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

@@ -1,12 +1,37 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <!-- Backgrounds -->
-    <attr name="chatFragmentBg" format="color"/>
-    <attr name="exploreFragmentBg" format="color"/>
-    <attr name="homeFragmentBg" format="color"/>
-    <attr name="mapFragmentBg" format="color"/>
-    <attr name="settingsFragmentBg" format="color"/>
+    <!-- For gradient Backgrounds -->
+
+    <attr name="textBackgroundGradientStartColor" format="color"/>
+    <attr name="textBackgroundGradientEndColor" format="color"/>
+
+    <attr name="bottomNavBarGradientStartColor" format="color"/>
+    <attr name="bottomNavBarGradientEndColor" format="color"/>
+
+    <attr name="chatFragmentGradientStartColor" format="color"/>
+    <attr name="chatFragmentGradientCenterColor" format="color"/>
+    <attr name="chatFragmentGradientEndColor" format="color"/>
+
+    <attr name="exploreFragmentGradientStartColor" format="color"/>
+    <attr name="exploreFragmentGradientCenterColor" format="color"/>
+    <attr name="exploreFragmentGradientEndColor" format="color"/>
+
+    <attr name="homeFragmentGradientStartColor" format="color"/>
+    <attr name="homeFragmentGradientCenterColor" format="color"/>
+    <attr name="homeFragmentGradientEndColor" format="color"/>
+
+    <attr name="mapFragmentGradientStartColor" format="color"/>
+    <attr name="mapFragmentGradientCenterColor" format="color"/>
+    <attr name="mapFragmentGradientEndColor" format="color"/>
+
+    <attr name="settingsFragmentGradientStartColor" format="color"/>
+    <attr name="settingsFragmentGradientCenterColor" format="color"/>
+    <attr name="settingsFragmentGradientEndColor" format="color"/>
+
+    <attr name="infoFragmentGradientStartColor" format="color"/>
+    <attr name="infoFragmentGradientCenterColor" format="color"/>
+    <attr name="infoFragmentGradientEndColor" format="color"/>
 
     <!-- For bottomNavBar -->
     <attr name="bottomNavBarCheckedItemColor" format="color"/>

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

@@ -8,48 +8,45 @@
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
 
-    <!-- Light Theme --> <!--    Pink one
-    <color name="chatFragmentBackground">#E1C1ABE6</color>
-    <color name="exploreFragmentBackground">#A892DE</color>
-    <color name="homeFragmentBackground">#DCB59BDD</color>
-    <color name="mapFragmentBackground">#D3ACD9</color>
-    <color name="settingsFragmentBackground">#CEDC8AC6</color>
-    <color name="bottomNavBarCheckedItemColor">#ECC87AE0</color>
-    <color name="bottomNavBarRippleColor">#43E8E8E8</color>
-    <color name="statusBarColor">#ECB988D7</color> -->
-    <!-- Blue-Green one
-    <color name="chatFragmentBackground">#E1ABD8E6</color>
-    <color name="exploreFragmentBackground">#92DED8</color>
-    <color name="homeFragmentBackground">#DC9BF1ED</color>
-    <color name="mapFragmentBackground">#C5F2E5</color>
-    <color name="settingsFragmentBackground">#CEA7F2E1</color>
-    <color name="bottomNavBarCheckedItemColor">#EC37DC7C</color>
-    <color name="bottomNavBarRippleColor">#43E8E8E8</color>
-    <color name="statusBarColor">#EC8ECDED</color> -->
-    <color name="chatFragmentBackground">#E10A1C2F</color>
-    <color name="exploreFragmentBackground">#142448</color>
-    <color name="homeFragmentBackground">#DC17294D</color>
-    <color name="mapFragmentBackground">#10132F</color>
-    <color name="settingsFragmentBackground">#CE131C33</color>
+    <!-- Light Theme -->
     <color name="bottomNavBarCheckedItemColor">#ECD21A1A</color>
+    <color name="bottomNavBarItemColor">#320747</color>
     <color name="bottomNavBarRippleColor">#33C4BCC9</color>
     <color name="statusBarColor">#EC000000</color>
 
+    <color name="textBackgroundGradientStartColor" >#80E5BEFF</color>
+    <color name="textBackgroundGradientEndColor" >#80FFB5F0</color>
+
+    <color name="bottomNavBarGradientStartColor" >#FCDD94</color>
+    <color name="bottomNavBarGradientEndColor" >#C5F8AB</color>
+
+    <color name="chatFragmentGradientStartColor" >#FCB0EF</color>
+    <color name="chatFragmentGradientCenterColor" >#9ECFFF</color>
+    <color name="chatFragmentGradientEndColor" >#9FE7FF</color>
+
+    <color name="exploreFragmentGradientStartColor" >#A1DEFC</color>
+    <color name="exploreFragmentGradientCenterColor" >#A5CBFF</color>
+    <color name="exploreFragmentGradientEndColor" >#F9B6F6</color>
+
+    <color name="homeFragmentGradientStartColor" >#83E1FF</color>
+    <color name="homeFragmentGradientCenterColor" >#9EC6FF</color>
+    <color name="homeFragmentGradientEndColor" >#FEBBFF</color>
+
+    <color name="mapFragmentGradientStartColor" >#FBBEFC</color>
+    <color name="mapFragmentGradientCenterColor" >#A5CBFF</color>
+    <color name="mapFragmentGradientEndColor" >#95DDFC</color>
+
+    <color name="settingsFragmentGradientStartColor" >#92EB97FC</color>
+    <color name="settingsFragmentGradientCenterColor" >#A198F9</color>
+    <color name="settingsFragmentGradientEndColor" >#74C7F7</color>
+
+    <color name="infoFragmentGradientStartColor" >#FFB6FB</color>
+    <color name="infoFragmentGradientCenterColor" >#A7D2FF</color>
+    <color name="infoFragmentGradientEndColor" >#96E7FF</color>
+
     <!-- Dark Theme -->
-    <!--<color name="chatFragmentBackgroundDark">#422DA9</color>
-    <color name="exploreFragmentBackgroundDark">#5829B1</color>
-    <color name="homeFragmentBackgroundDark">#6A1B9A</color>
-    <color name="mapFragmentBackgroundDark">#AD1457</color>
-    <color name="settingsFragmentBackgroundDark">#C62845</color>
-    <color name="bottomNavBarCheckedItemColorDark">#D7BEDE</color>
-    <color name="bottomNavBarRippleColorDark">#33222222</color>
-    <color name="statusBarColorDark">#4527A0</color>-->
-    <color name="chatFragmentBackgroundDark">#422DA9</color>
-    <color name="exploreFragmentBackgroundDark">#5829B1</color>
-    <color name="homeFragmentBackgroundDark">#6A1B9A</color>
-    <color name="mapFragmentBackgroundDark">#AD1457</color>
-    <color name="settingsFragmentBackgroundDark">#C62845</color>
     <color name="bottomNavBarCheckedItemColorDark">#FFB571</color>
+    <color name="bottomNavBarItemColorDark">#320747</color>
     <color name="bottomNavBarRippleColorDark">#33222222</color>
     <color name="statusBarColorDark">#4527A0</color>
 

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

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#84ABFC</color>
+</resources>

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

@@ -12,20 +12,45 @@
         <item name="colorSecondaryVariant">#F48FB1</item>
         <item name="colorOnSecondary">@color/black</item>
 
-        <!-- Backgrounds -->
-        <item name="chatFragmentBg">@color/chatFragmentBackground</item>
-        <item name="exploreFragmentBg">@color/exploreFragmentBackground</item>
-        <item name="homeFragmentBg">@color/homeFragmentBackground</item>
-        <item name="mapFragmentBg">@color/mapFragmentBackground</item>
-        <item name="settingsFragmentBg">@color/settingsFragmentBackground</item>
+        <!-- For gradient Backgrounds -->
+
+        <item name="textBackgroundGradientStartColor" >@color/textBackgroundGradientStartColor</item>
+        <item name="textBackgroundGradientEndColor" >@color/textBackgroundGradientEndColor</item>
+
+        <item name="bottomNavBarGradientStartColor" >@color/bottomNavBarGradientStartColor</item>
+        <item name="bottomNavBarGradientEndColor" >@color/bottomNavBarGradientEndColor</item>
+
+        <item name="chatFragmentGradientStartColor" >@color/chatFragmentGradientStartColor</item>
+        <item name="chatFragmentGradientCenterColor" >@color/chatFragmentGradientCenterColor</item>
+        <item name="chatFragmentGradientEndColor" >@color/chatFragmentGradientEndColor</item>
+
+        <item name="exploreFragmentGradientStartColor" >@color/exploreFragmentGradientStartColor</item>
+        <item name="exploreFragmentGradientCenterColor" >@color/exploreFragmentGradientCenterColor</item>
+        <item name="exploreFragmentGradientEndColor" >@color/exploreFragmentGradientEndColor</item>
+
+        <item name="homeFragmentGradientStartColor" >@color/homeFragmentGradientStartColor</item>
+        <item name="homeFragmentGradientCenterColor" >@color/homeFragmentGradientCenterColor</item>
+        <item name="homeFragmentGradientEndColor" >@color/homeFragmentGradientEndColor</item>
+
+        <item name="mapFragmentGradientStartColor" >@color/mapFragmentGradientStartColor</item>
+        <item name="mapFragmentGradientCenterColor" >@color/mapFragmentGradientCenterColor</item>
+        <item name="mapFragmentGradientEndColor" >@color/mapFragmentGradientEndColor</item>
+
+        <item name="settingsFragmentGradientStartColor" >@color/settingsFragmentGradientStartColor</item>
+        <item name="settingsFragmentGradientCenterColor" >@color/settingsFragmentGradientCenterColor</item>
+        <item name="settingsFragmentGradientEndColor" >@color/settingsFragmentGradientEndColor</item>
+
+        <item name="infoFragmentGradientStartColor" >@color/infoFragmentGradientStartColor</item>
+        <item name="infoFragmentGradientCenterColor" >@color/infoFragmentGradientCenterColor</item>
+        <item name="infoFragmentGradientEndColor" >@color/infoFragmentGradientEndColor</item>
 
         <!-- BottomNavCheckedItemColor -->
         <item name="bottomNavBarCheckedItemColor">@color/bottomNavBarCheckedItemColor</item>
         <item name="bottomNavBarRippleColor">@color/bottomNavBarRippleColor</item>
 
-        <!-- Other items -->
         <item name="bottomNavigationStyle">@style/Widget.App.BottomNavigationView</item>
 
+        <!-- StatusBarColor -->
         <item name="android:statusBarColor" tools:targetApi="l">@color/statusBarColor</item>
     </style>
 
@@ -34,14 +59,7 @@
     </style>
 
     <style name="ThemeOverlay.App.BottomNavigationView" parent="">
-        <!--
-        <item name="colorPrimary">#EDD9F8</item>
-        <item name="colorOnPrimary">#C788EB</item> -->
-        <!--
-        <item name="colorPrimary">#FAF1FF</item>
-        <item name="colorOnPrimary">#6DBEED</item>    #E4D539-->
-        <item name="colorPrimary">#0A0A1F</item>
-        <item name="colorOnPrimary">#320747</item>
+        <item name="colorOnPrimary">@color/bottomNavBarItemColor</item>
     </style>
 
     <!-- Dark theme-->
@@ -56,20 +74,45 @@
         <item name="colorSecondaryVariant">@color/teal_200</item>
         <item name="colorOnSecondary">@color/black</item>
 
-        <!-- Backgrounds -->
-        <item name="chatFragmentBg">@color/chatFragmentBackgroundDark</item>
-        <item name="exploreFragmentBg">@color/exploreFragmentBackgroundDark</item>
-        <item name="homeFragmentBg">@color/homeFragmentBackgroundDark</item>
-        <item name="mapFragmentBg">@color/mapFragmentBackgroundDark</item>
-        <item name="settingsFragmentBg">@color/settingsFragmentBackgroundDark</item>
+        <!-- For gradient Backgrounds -->
 
-        <!-- for BottomNavBar -->
+        <item name="textBackgroundGradientStartColor" >@color/textBackgroundGradientStartColor</item>
+        <item name="textBackgroundGradientEndColor" >@color/textBackgroundGradientEndColor</item>
+
+        <item name="bottomNavBarGradientStartColor" >@color/bottomNavBarGradientStartColor</item>
+        <item name="bottomNavBarGradientEndColor" >@color/bottomNavBarGradientEndColor</item>
+
+        <item name="chatFragmentGradientStartColor" >@color/chatFragmentGradientStartColor</item>
+        <item name="chatFragmentGradientCenterColor" >@color/chatFragmentGradientCenterColor</item>
+        <item name="chatFragmentGradientEndColor" >@color/chatFragmentGradientEndColor</item>
+
+        <item name="exploreFragmentGradientStartColor" >@color/exploreFragmentGradientStartColor</item>
+        <item name="exploreFragmentGradientCenterColor" >@color/exploreFragmentGradientCenterColor</item>
+        <item name="exploreFragmentGradientEndColor" >@color/exploreFragmentGradientEndColor</item>
+
+        <item name="homeFragmentGradientStartColor" >@color/homeFragmentGradientStartColor</item>
+        <item name="homeFragmentGradientCenterColor" >@color/homeFragmentGradientCenterColor</item>
+        <item name="homeFragmentGradientEndColor" >@color/homeFragmentGradientEndColor</item>
+
+        <item name="mapFragmentGradientStartColor" >@color/mapFragmentGradientStartColor</item>
+        <item name="mapFragmentGradientCenterColor" >@color/mapFragmentGradientCenterColor</item>
+        <item name="mapFragmentGradientEndColor" >@color/mapFragmentGradientEndColor</item>
+
+        <item name="settingsFragmentGradientStartColor" >@color/settingsFragmentGradientStartColor</item>
+        <item name="settingsFragmentGradientCenterColor" >@color/settingsFragmentGradientCenterColor</item>
+        <item name="settingsFragmentGradientEndColor" >@color/settingsFragmentGradientEndColor</item>
+
+        <item name="infoFragmentGradientStartColor" >@color/infoFragmentGradientStartColor</item>
+        <item name="infoFragmentGradientCenterColor" >@color/infoFragmentGradientCenterColor</item>
+        <item name="infoFragmentGradientEndColor" >@color/infoFragmentGradientEndColor</item>
+
+        <!-- BottomNavCheckedItemColor -->
         <item name="bottomNavBarCheckedItemColor">@color/bottomNavBarCheckedItemColorDark</item>
         <item name="bottomNavBarRippleColor">@color/bottomNavBarRippleColorDark</item>
 
-        <!-- Other items -->
         <item name="bottomNavigationStyle">@style/Widget.App.BottomNavigationViewDark</item>
 
+        <!-- StatusBarColor -->
         <item name="android:statusBarColor" tools:targetApi="l">@color/statusBarColorDark</item>
     </style>
 
@@ -79,7 +122,6 @@
     </style>
 
     <style name="ThemeOverlay.App.BottomNavigationViewDark" parent="">
-        <item name="colorPrimary">#9758BC</item>
-        <item name="colorOnPrimary">#41254E</item>
+        <item name="colorOnPrimary">@color/bottomNavBarItemColorDark</item>
     </style>
 </resources>

app/WikiSpot/build.gradle

@@ -4,6 +4,7 @@ buildscript {
     repositories {
         google()
         jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath "com.android.tools.build:gradle:4.1.1"