diff --git a/app/build.gradle b/app/build.gradle
index 82ad5f8..84aaa8c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,7 +9,7 @@ android {
     compileSdkVersion 29
 
     defaultConfig {
-        applicationId "com.example.ca_contest"
+        applicationId "com.example.ca_kotlin"
         minSdkVersion 19
         targetSdkVersion 29
         versionCode 1
diff --git a/app/schemas/com.example.ca_kotlin.dao.AppDatabase/1.json b/app/schemas/com.example.ca_kotlin.dao.AppDatabase/1.json
new file mode 100644
index 0000000..db47842
--- /dev/null
+++ b/app/schemas/com.example.ca_kotlin.dao.AppDatabase/1.json
@@ -0,0 +1,58 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 1,
+    "identityHash": "c0580e88639233d64464b9607839a456",
+    "entities": [
+      {
+        "tableName": "vehicles",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`vehicleId` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT, `price` TEXT, `category` TEXT, `image` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "vehicleId",
+            "columnName": "vehicleId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "price",
+            "columnName": "price",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "image",
+            "columnName": "image",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "vehicleId"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'c0580e88639233d64464b9607839a456')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/src/androidTest/java/com/example/ca_contest/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/example/ca_kotlin/ExampleInstrumentedTest.kt
similarity index 84%
rename from app/src/androidTest/java/com/example/ca_contest/ExampleInstrumentedTest.kt
rename to app/src/androidTest/java/com/example/ca_kotlin/ExampleInstrumentedTest.kt
index 79e0838..f33b1ed 100644
--- a/app/src/androidTest/java/com/example/ca_contest/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/com/example/ca_kotlin/ExampleInstrumentedTest.kt
@@ -1,4 +1,4 @@
-package com.example.ca_contest
+package com.example.ca_kotlin
 
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.ext.junit.runners.AndroidJUnit4
@@ -19,6 +19,6 @@ class ExampleInstrumentedTest {
     fun useAppContext() {
         // Context of the app under test.
         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
-        assertEquals("com.example.ca_contest", appContext.packageName)
+        assertEquals("com.example.ca_kotlin", appContext.packageName)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f150646..b1d3ff4 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.ca_contest">
+    package="com.example.ca_kotlin">
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <application
@@ -9,16 +9,13 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.CA_Contest"
+        android:theme="@style/Theme.CA_Kotlin"
         android:usesCleartextTraffic="true">
-        <activity android:name=".CalendarActivity"
-            android:theme="@style/Theme.CA_Contest.NoActionBar"
-            />
         <activity
-            android:name=".CountrySelectorActivity"
+            android:name="com.example.ca_kotlin.DetailsActivity"
             android:label="@string/title_activity_country_selector"
-            android:theme="@style/Theme.CA_Contest.NoActionBar" />
-        <activity android:name=".MainActivity" android:theme="@style/Theme.CA_Contest.NoActionBar">
+            android:theme="@style/Theme.CA_Kotlin.NoActionBar" />
+        <activity android:name="com.example.ca_kotlin.MainActivity" android:theme="@style/Theme.CA_Kotlin.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/java/com/example/ca_contest/CalendarActivity.kt b/app/src/main/java/com/example/ca_contest/CalendarActivity.kt
deleted file mode 100644
index 4fdc888..0000000
--- a/app/src/main/java/com/example/ca_contest/CalendarActivity.kt
+++ /dev/null
@@ -1,55 +0,0 @@
-package com.example.ca_contest
-
-import android.app.DatePickerDialog
-import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import android.util.Log
-import android.view.View
-import android.widget.Button
-import android.widget.DatePicker
-import android.widget.Toast
-import com.example.ca_contest.dao.AppDatabaseHelper
-import com.example.ca_contest.dao.Country
-import java.text.SimpleDateFormat
-import java.util.*
-
-class CalendarActivity : AppCompatActivity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_calendar)
-
-        val name=intent.getStringExtra("name")
-        val capital=intent.getStringExtra("capital")
-        val region=intent.getStringExtra("region")
-        val code = intent.getStringExtra("code")
-        var date = Date(0)
-
-        val datePicker = findViewById<DatePicker>(R.id.date)
-
-        val today = Calendar.getInstance()
-        datePicker.init(
-            today.get(Calendar.YEAR),
-            today.get(Calendar.MONTH),
-            today.get(Calendar.DAY_OF_MONTH)
-        ) { _, year, month, day ->
-            date = Date(year, month, day)
-        }
-
-        val validateur = findViewById<Button>(R.id.add_date)
-        validateur.setOnClickListener {
-            AppDatabaseHelper
-                .getDatabase(this)
-                .countryDAO()
-                .insert(Country(
-                    country = name,
-                    capitalCity = capital,
-                    continent = region,
-                    code = code,
-                    date = date
-                ))
-            val intent = Intent(this, MainActivity::class.java)
-            startActivity(intent)
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/CountrySelectorActivity.kt b/app/src/main/java/com/example/ca_contest/CountrySelectorActivity.kt
deleted file mode 100644
index 60f12fc..0000000
--- a/app/src/main/java/com/example/ca_contest/CountrySelectorActivity.kt
+++ /dev/null
@@ -1,78 +0,0 @@
-package com.example.ca_contest
-
-import com.example.ca_contest.adapters.CountryAdapter
-import android.app.ProgressDialog
-import android.content.Intent
-import android.os.Bundle
-import android.view.KeyEvent
-import android.view.MenuItem
-import android.view.View
-import android.widget.Button
-import android.widget.EditText
-import android.widget.TextView
-import android.widget.Toast
-import androidx.appcompat.app.ActionBar
-import androidx.appcompat.app.AppCompatActivity
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import com.example.ca_contest.api.ApiClient
-import com.example.ca_contest.api.Country
-import kotlinx.android.synthetic.main.activity_country_selector.*
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
-import kotlin.collections.ArrayList
-
-class CountrySelectorActivity : AppCompatActivity() {
-
-    companion object {
-        const val PROGRESS_BAR_TITLE = "Récupération des pays..."
-    }
-
-    private var data: ArrayList<Country> = ArrayList()
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        setContentView(R.layout.activity_country_selector)
-
-        // Progress Bar
-        val progressDialog = ProgressDialog(this)
-        progressDialog.setTitle(PROGRESS_BAR_TITLE)
-        progressDialog.setCancelable(false)
-        progressDialog.show()
-
-        // Initialize Recycler
-        val recycler = findViewById<RecyclerView>(R.id.list)
-        recycler.setHasFixedSize(true)
-
-        val layoutManager = LinearLayoutManager(this)
-        recycler.layoutManager = layoutManager
-
-        val adapter = CountryAdapter(data)
-        recycler.adapter = adapter
-
-        // Fetch Countries
-        ApiClient.getClient.getCountries().enqueue(object : Callback<List<Country>> {
-            override fun onResponse(call: Call<List<Country>>?, response: Response<List<Country>>?) {
-                progressDialog.dismiss()
-                data.addAll(response!!.body()!!)
-                adapter.update(data.clone() as ArrayList<Country>)
-                recycler.adapter?.notifyDataSetChanged()
-            }
-
-            override fun onFailure(call: Call<List<Country>>?, t: Throwable?) {
-                progressDialog.dismiss()
-            }
-        })
-
-
-        // Input Text and Button
-        val textView = findViewById<TextView>(R.id.text)
-        var btn = findViewById<Button>(R.id.validate)
-        btn.setOnClickListener {
-            adapter.update((data.filter { country -> country.name.contains(textView.text, true) } as ArrayList<Country>))
-            recycler.adapter?.notifyDataSetChanged()
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/MainActivity.kt b/app/src/main/java/com/example/ca_contest/MainActivity.kt
deleted file mode 100644
index 08ad7ef..0000000
--- a/app/src/main/java/com/example/ca_contest/MainActivity.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package com.example.ca_contest
-
-import android.content.Intent
-import android.os.Bundle
-import android.view.View
-import androidx.appcompat.app.ActionBar
-import androidx.appcompat.app.AppCompatActivity
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import com.example.ca_contest.adapters.HomepageCountryAdapter
-import com.example.ca_contest.dao.AppDatabaseHelper
-import java.util.*
-
-class MainActivity : AppCompatActivity() {
-    override fun onCreate(savedInstanceState: Bundle?)
-    {
-        super.onCreate(savedInstanceState)
-
-        setContentView(R.layout.activity_main)
-
-        // Initialize RecyclerView
-        val recycler = findViewById<RecyclerView>(R.id.list_country)
-        recycler.setHasFixedSize(true)
-
-        val layoutManager = LinearLayoutManager(this)
-        recycler.layoutManager = layoutManager
-
-        // Fetch Items in Database
-        val adapter = HomepageCountryAdapter(
-            AppDatabaseHelper
-                .getDatabase(this)
-                .countryDAO()
-                .getListCountry()
-        )
-        recycler.adapter = adapter
-    }
-
-    fun addCountry(view: View) {
-        val intent = Intent(this, CountrySelectorActivity::class.java)
-        startActivity(intent)
-    }
-
-    override fun onBackPressed() {
-        this.finishAffinity()
-    }
-
-}
diff --git a/app/src/main/java/com/example/ca_contest/adapters/HomepageCountryAdapter.kt b/app/src/main/java/com/example/ca_contest/adapters/HomepageCountryAdapter.kt
deleted file mode 100644
index a3ccf55..0000000
--- a/app/src/main/java/com/example/ca_contest/adapters/HomepageCountryAdapter.kt
+++ /dev/null
@@ -1,82 +0,0 @@
-package com.example.ca_contest.adapters
-
-import android.content.Context
-import com.example.ca_contest.R
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.ImageView
-import android.widget.TextView
-import androidx.recyclerview.widget.RecyclerView
-import com.example.ca_contest.dao.AppDatabaseHelper
-import com.example.ca_contest.dao.Country
-import com.squareup.picasso.Picasso
-import java.text.DateFormat
-
-// Adapter for the homepage
-class HomepageCountryAdapter(list: List<Country>) : RecyclerView.Adapter<HomepageCountryAdapter.CountryViewHolder>() {
-
-    private var list: List<Country> = ArrayList()
-
-    init {
-        this.list = list
-    }
-
-    // Create the view Holder
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CountryViewHolder {
-        val viewMemo: View =
-            LayoutInflater.from(parent.context).inflate(R.layout.item_list, parent, false)
-        return CountryViewHolder(viewMemo)
-    }
-
-    // Bind each items
-    override fun onBindViewHolder(holder: CountryViewHolder, position: Int) {
-        holder.name?.text = list[position].country
-        holder.capital?.text =  "Capital : " + list[position].capitalCity
-        holder.date?.text = DateFormat.getDateInstance(DateFormat.MEDIUM).format(list[position].date)
-        holder.region?.text = "Continent : " + list[position].continent
-        Picasso.get()
-                .load("http://www.geognos.com/api/en/countries/flag/" + list[position].code + ".png")
-                .into(holder.image!!)
-        holder.button.setOnClickListener {
-            AppDatabaseHelper
-                .getDatabase(holder.context)
-                .countryDAO()
-                .delete(list[position].countryId)
-            val newList = ArrayList(list)
-            newList.removeAt(position)
-            list = newList
-            this.notifyDataSetChanged()
-        }
-    }
-
-    // Update the list
-    fun update(list: ArrayList<Country>) {
-        this.list = list
-    }
-
-    override fun getItemCount(): Int {
-        return list.size
-    }
-
-    inner class CountryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
-        var name: TextView? = null
-        var capital: TextView? = null
-        var region: TextView? = null
-        var date: TextView? = null
-        var image: ImageView? = null
-        var button: ImageView
-        var context: Context
-
-        init {
-            name = itemView.findViewById(R.id.country)
-            date = itemView.findViewById(R.id.date)
-            capital = itemView.findViewById(R.id.capital)
-            region = itemView.findViewById(R.id.continent)
-            image = itemView.findViewById(R.id.image)
-            button = itemView.findViewById(R.id.delete)
-            context = itemView.context
-        }
-    }
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/api/ApiInterface.kt b/app/src/main/java/com/example/ca_contest/api/ApiInterface.kt
deleted file mode 100644
index 00a46cb..0000000
--- a/app/src/main/java/com/example/ca_contest/api/ApiInterface.kt
+++ /dev/null
@@ -1,12 +0,0 @@
-package com.example.ca_contest.api
-
-import retrofit2.Call
-import retrofit2.http.GET
-
-// functions to get the differents elements
-interface ApiInterface {
-
-    @GET("rest/v2/all")
-    fun getCountries(): Call<List<Country>>
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/api/Country.kt b/app/src/main/java/com/example/ca_contest/api/Country.kt
deleted file mode 100644
index 8deeb40..0000000
--- a/app/src/main/java/com/example/ca_contest/api/Country.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.example.ca_contest.api
-
-import android.widget.DatePicker
-import com.google.gson.annotations.Expose
-import com.google.gson.annotations.SerializedName
-
-// Model for The API
-data class Country(
-    @Expose
-    @SerializedName("name")
-    val name: String,
-
-    @Expose
-    @SerializedName("capital")
-    val capital: String,
-
-    @Expose
-    @SerializedName("region")
-    val region: String,
-    @Expose
-    @SerializedName("alpha2Code")
-    val alpha2Code: String,
-
-    val date: DatePicker
-) {}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/dao/AppDatabase.kt b/app/src/main/java/com/example/ca_contest/dao/AppDatabase.kt
deleted file mode 100644
index 4ad4520..0000000
--- a/app/src/main/java/com/example/ca_contest/dao/AppDatabase.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.example.ca_contest.dao
-
-import com.example.ca_contest.libs.Converters
-import androidx.room.Database
-import androidx.room.RoomDatabase
-import androidx.room.TypeConverters
-
-// Database Manager
-@Database(entities = [Country::class], version = 1)
-@TypeConverters(Converters::class)
-abstract class AppDatabase : RoomDatabase()
-{
-    abstract fun countryDAO(): CountryDAO
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/dao/Country.kt b/app/src/main/java/com/example/ca_contest/dao/Country.kt
deleted file mode 100644
index db29b06..0000000
--- a/app/src/main/java/com/example/ca_contest/dao/Country.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.example.ca_contest.dao
-
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-import java.util.Date
-
-// Model for the country
-@Entity(tableName = "country")
-class Country(
-    @PrimaryKey(autoGenerate = true)
-    val countryId: Long = 0,
-    val country: String? = null,
-    val capitalCity: String? = null,
-    val continent: String? = null,
-    val code: String? = null,
-    val date: Date? = null
-)
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/dao/CountryDAO.kt b/app/src/main/java/com/example/ca_contest/dao/CountryDAO.kt
deleted file mode 100644
index 6ec3fcc..0000000
--- a/app/src/main/java/com/example/ca_contest/dao/CountryDAO.kt
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.example.ca_contest.dao
-
-import androidx.room.*
-
-// DAO for the Country
-@Dao
-abstract class CountryDAO {
-    @Query("SELECT * FROM country ORDER BY date ASC")
-    abstract fun getListCountry(): List<Country>
-    @Insert
-    abstract fun insert(vararg country: Country)
-    @Update
-    abstract fun update(vararg country: Country)
-    @Query("DELETE FROM country WHERE countryId = :id")
-    abstract fun delete(id: Long)
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/libs/Converters.kt b/app/src/main/java/com/example/ca_contest/libs/Converters.kt
deleted file mode 100644
index 6eeb346..0000000
--- a/app/src/main/java/com/example/ca_contest/libs/Converters.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.example.ca_contest.libs
-
-import androidx.room.TypeConverter
-import java.util.*
-
-// Convert from and to a Java Date Object to a SQL Date
-class Converters {
-    @TypeConverter
-    fun fromTimestamp(value: Long?): Date? {
-        return value?.let { Date(it) }
-    }
-
-    @TypeConverter
-    fun dateToTimestamp(date: Date?): Long? {
-        return date?.time?.toLong()
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_kotlin/DetailsActivity.kt b/app/src/main/java/com/example/ca_kotlin/DetailsActivity.kt
new file mode 100644
index 0000000..3cedb63
--- /dev/null
+++ b/app/src/main/java/com/example/ca_kotlin/DetailsActivity.kt
@@ -0,0 +1,52 @@
+package com.example.ca_kotlin
+
+import android.content.Intent
+import android.database.sqlite.SQLiteConstraintException
+import android.os.Bundle
+import android.widget.Button
+import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
+import com.example.ca_kotlin.dao.AppDatabaseHelper
+import com.example.ca_kotlin.dao.Vehicle
+
+class DetailsActivity: AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContentView(R.layout.details)
+
+        val name = intent.getStringExtra("name")
+        val price = intent.getStringExtra("price")
+        val category = intent.getStringExtra("category")
+        val image = intent.getStringExtra("image")
+        val id = intent.getStringExtra("id")
+
+        val textView = findViewById<TextView>(R.id.text)
+        textView.text = "nom: " + name + "\nPrice: " + price + "\nCategory: " + category
+
+        val button = findViewById<Button>(R.id.favorites)
+
+        button.setOnClickListener {
+            val dao = AppDatabaseHelper.getDatabase(this)
+                .vehicleDAO()
+            val res = dao
+                .find(id.toLong())
+            println(res)
+
+            try {
+                dao.insert(Vehicle(
+                    id.toLong(),
+                    name, price, category, image
+                ))
+            } catch (e: SQLiteConstraintException) {
+                return@setOnClickListener
+            }
+
+            var intent = Intent(this, MainActivity::class.java)
+            startActivity(intent)
+
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_kotlin/MainActivity.kt b/app/src/main/java/com/example/ca_kotlin/MainActivity.kt
new file mode 100644
index 0000000..4da7c8b
--- /dev/null
+++ b/app/src/main/java/com/example/ca_kotlin/MainActivity.kt
@@ -0,0 +1,95 @@
+package com.example.ca_kotlin
+
+import android.app.ProgressDialog
+import android.content.Intent
+import android.os.Bundle
+import android.util.DisplayMetrics
+import android.view.View
+import android.widget.CompoundButton
+import android.widget.Switch
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.example.ca_kotlin.adapters.CountryAdapter
+import com.example.ca_kotlin.api.ApiClient
+import com.example.ca_kotlin.api.Vehicles
+import com.example.ca_kotlin.dao.AppDatabaseHelper
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+
+class MainActivity : AppCompatActivity() {
+    private var data: ArrayList<Vehicles> = ArrayList()
+
+    companion object {
+        const val PROGRESS_BAR_TITLE = "Récupération des Véhicules..."
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?)
+    {
+        super.onCreate(savedInstanceState)
+
+        setContentView(R.layout.activity_main)
+
+        // Initialize RecyclerView
+        val recycler = findViewById<RecyclerView>(R.id.list_country)
+        recycler.setHasFixedSize(true)
+
+        val layoutManager = LinearLayoutManager(this)
+        recycler.layoutManager = layoutManager
+
+        // Progress Bar
+        val progressDialog = ProgressDialog(this)
+        progressDialog.setTitle(MainActivity.PROGRESS_BAR_TITLE)
+        progressDialog.setCancelable(false)
+        progressDialog.show()
+
+        val adapter = CountryAdapter(data)
+        recycler.adapter = adapter
+
+        val switch = findViewById<Switch>(R.id.switch1)
+
+        switch.setOnCheckedChangeListener { _, b: Boolean ->
+            if (b) {
+                favorites(adapter, recycler, progressDialog)
+            } else {
+                global(adapter, recycler, progressDialog)
+            }
+            Toast.makeText(this, b.toString(), Toast.LENGTH_SHORT).show()
+        }
+
+        global(adapter, recycler, progressDialog)
+    }
+
+    fun favorites(adapter: CountryAdapter, recycler: RecyclerView, progressDialog: ProgressDialog) {
+        val vehicles = AppDatabaseHelper.getDatabase(this)
+            .vehicleDAO()
+            .getVehicles()
+        data.clear()
+        data.addAll(vehicles as ArrayList<Vehicles>)
+        println(vehicles)
+        adapter.notifyDataSetChanged()
+    }
+
+    fun global(adapter: CountryAdapter, recycler: RecyclerView, progressDialog: ProgressDialog) {
+        ApiClient.getClient.getVehicles().enqueue(object : Callback<List<Vehicles>> {
+            override fun onResponse(call: Call<List<Vehicles>>?, response: Response<List<Vehicles>>?) {
+
+                data.addAll(response!!.body()!!)
+                adapter.update(data.clone() as ArrayList<Vehicles>)
+                adapter.notifyDataSetChanged()
+                progressDialog.dismiss()
+            }
+
+            override fun onFailure(call: Call<List<Vehicles>>?, t: Throwable?) {
+                progressDialog.dismiss()
+            }
+        })
+    }
+
+    override fun onBackPressed() {
+        this.finishAffinity()
+    }
+
+}
diff --git a/app/src/main/java/com/example/ca_contest/adapters/CountryAdapter.kt b/app/src/main/java/com/example/ca_kotlin/adapters/CountryAdapter.kt
similarity index 54%
rename from app/src/main/java/com/example/ca_contest/adapters/CountryAdapter.kt
rename to app/src/main/java/com/example/ca_kotlin/adapters/CountryAdapter.kt
index a5a1083..ebc223c 100644
--- a/app/src/main/java/com/example/ca_contest/adapters/CountryAdapter.kt
+++ b/app/src/main/java/com/example/ca_kotlin/adapters/CountryAdapter.kt
@@ -1,23 +1,21 @@
-package com.example.ca_contest.adapters
+package com.example.ca_kotlin.adapters
 
 import android.content.Intent
-import android.util.Log
-import com.example.ca_contest.R
+import com.example.ca_kotlin.R
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.TextView
-import android.widget.Toast
 import androidx.recyclerview.widget.RecyclerView
-import com.example.ca_contest.CalendarActivity
-import com.example.ca_contest.api.Country
+import com.example.ca_kotlin.DetailsActivity
+import com.example.ca_kotlin.api.Vehicles
 import com.squareup.picasso.Picasso
 
 // Adapter for the CountrySelector
-class CountryAdapter(list: ArrayList<Country>) : RecyclerView.Adapter<CountryAdapter.CountryViewHolder>() {
+class CountryAdapter(list: ArrayList<Vehicles>) : RecyclerView.Adapter<CountryAdapter.CountryViewHolder>() {
 
-    private var list: ArrayList<Country> = ArrayList()
+    private var list: ArrayList<Vehicles> = ArrayList()
 
     init {
         this.list = list
@@ -33,15 +31,15 @@ class CountryAdapter(list: ArrayList<Country>) : RecyclerView.Adapter<CountryAda
     // Bind each items
     override fun onBindViewHolder(holder: CountryViewHolder, position: Int) {
         holder.name?.text = list[position].name
-        holder.capital?.text = "Capital : " + list[position].capital
-        holder.region?.text = "Continent : " + list[position].region
+        holder.price?.text = "Capital : " + list[position].price
+        holder.category?.text = "Continent : " + list[position].category
         Picasso.get()
-                .load("http://www.geognos.com/api/en/countries/flag/" + list[position].alpha2Code + ".png")
-                .into(holder.image!!)
+            .load("http://s519716619.onlinehome.fr/exchange/madrental/images/" + list[position].image)
+            .into(holder.image!!)
     }
 
     // Update the list
-    fun update(list: ArrayList<Country>) {
+    fun update(list: ArrayList<Vehicles>) {
         this.list = list
     }
 
@@ -51,25 +49,27 @@ class CountryAdapter(list: ArrayList<Country>) : RecyclerView.Adapter<CountryAda
 
     inner class CountryViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
         var name: TextView? = null
-        var capital: TextView? = null
-        var region: TextView? = null
+        var price: TextView? = null
+        var category: TextView? = null
         var image: ImageView? = null
 
         init {
             name = itemView.findViewById(R.id.name)
-            capital = itemView.findViewById(R.id.capital)
-            region = itemView.findViewById(R.id.region)
+            price = itemView.findViewById(R.id.price)
+            category = itemView.findViewById(R.id.category)
             image = itemView.findViewById(R.id.image)
 
             itemView.setOnClickListener {
                 val context = itemView.context
 
                 // Intent to Calendar
-                context.startActivity(Intent(context, CalendarActivity::class.java)
+                println(list[adapterPosition])
+                context.startActivity(Intent(context, DetailsActivity::class.java)
                     .putExtra("name", list[adapterPosition].name)
-                    .putExtra("capital", list[adapterPosition].capital)
-                    .putExtra("region", list[adapterPosition].region)
-                    .putExtra("code", list[adapterPosition].alpha2Code)
+                    .putExtra("price", list[adapterPosition].price)
+                    .putExtra("category", list[adapterPosition].category)
+                    .putExtra("image", list[adapterPosition].image)
+                    .putExtra("id", list[adapterPosition].vehicleId.toString())
                 )
             }
         }
diff --git a/app/src/main/java/com/example/ca_contest/api/ApiClient.kt b/app/src/main/java/com/example/ca_kotlin/api/ApiClient.kt
similarity index 91%
rename from app/src/main/java/com/example/ca_contest/api/ApiClient.kt
rename to app/src/main/java/com/example/ca_kotlin/api/ApiClient.kt
index 91b6edc..37f331e 100644
--- a/app/src/main/java/com/example/ca_contest/api/ApiClient.kt
+++ b/app/src/main/java/com/example/ca_kotlin/api/ApiClient.kt
@@ -1,4 +1,4 @@
-package com.example.ca_contest.api
+package com.example.ca_kotlin.api
 
 import com.google.gson.GsonBuilder
 import okhttp3.OkHttpClient
@@ -9,7 +9,7 @@ import retrofit2.converter.gson.GsonConverterFactory
 // API Client
 object ApiClient {
 
-    var BASE_URL:String="https://restcountries.eu/"
+    var BASE_URL:String="http://s519716619.onlinehome.fr/"
     val getClient: ApiInterface
         get() {
 
diff --git a/app/src/main/java/com/example/ca_kotlin/api/ApiInterface.kt b/app/src/main/java/com/example/ca_kotlin/api/ApiInterface.kt
new file mode 100644
index 0000000..d898cd4
--- /dev/null
+++ b/app/src/main/java/com/example/ca_kotlin/api/ApiInterface.kt
@@ -0,0 +1,12 @@
+package com.example.ca_kotlin.api
+
+import retrofit2.Call
+import retrofit2.http.GET
+
+// functions to get the differents elements
+interface ApiInterface {
+
+    @GET("exchange/madrental/get-vehicules.php")
+    fun getVehicles(): Call<List<Vehicles>>
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_kotlin/api/Vehicles.kt b/app/src/main/java/com/example/ca_kotlin/api/Vehicles.kt
new file mode 100644
index 0000000..aa50410
--- /dev/null
+++ b/app/src/main/java/com/example/ca_kotlin/api/Vehicles.kt
@@ -0,0 +1,27 @@
+package com.example.ca_kotlin.api
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+// Model for The API
+data class Vehicles(
+    @Expose
+    @SerializedName("id")
+    val vehicleId: Long,
+
+    @Expose
+    @SerializedName("nom")
+    val name: String,
+
+    @Expose
+    @SerializedName("prixjournalierbase")
+    val price: String,
+
+    @Expose
+    @SerializedName("categorieco2")
+    val category: String,
+
+    @Expose
+    @SerializedName("image")
+    val image: String
+) {}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_kotlin/dao/AppDatabase.kt b/app/src/main/java/com/example/ca_kotlin/dao/AppDatabase.kt
new file mode 100644
index 0000000..c4ef77f
--- /dev/null
+++ b/app/src/main/java/com/example/ca_kotlin/dao/AppDatabase.kt
@@ -0,0 +1,11 @@
+package com.example.ca_kotlin.dao
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+
+// Database Manager
+@Database(entities = [Vehicle::class], version = 1)
+abstract class AppDatabase : RoomDatabase()
+{
+    abstract fun vehicleDAO(): VehicleDAO
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_contest/dao/AppDatabaseHelper.kt b/app/src/main/java/com/example/ca_kotlin/dao/AppDatabaseHelper.kt
similarity index 95%
rename from app/src/main/java/com/example/ca_contest/dao/AppDatabaseHelper.kt
rename to app/src/main/java/com/example/ca_kotlin/dao/AppDatabaseHelper.kt
index 8ec635d..1e5c559 100644
--- a/app/src/main/java/com/example/ca_contest/dao/AppDatabaseHelper.kt
+++ b/app/src/main/java/com/example/ca_kotlin/dao/AppDatabaseHelper.kt
@@ -1,4 +1,4 @@
-package com.example.ca_contest.dao
+package com.example.ca_kotlin.dao
 
 import android.content.Context
 import androidx.room.Room
diff --git a/app/src/main/java/com/example/ca_kotlin/dao/Vehicle.kt b/app/src/main/java/com/example/ca_kotlin/dao/Vehicle.kt
new file mode 100644
index 0000000..8463268
--- /dev/null
+++ b/app/src/main/java/com/example/ca_kotlin/dao/Vehicle.kt
@@ -0,0 +1,15 @@
+package com.example.ca_kotlin.dao
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+// Model for the country
+@Entity(tableName = "vehicles")
+class Vehicle(
+    @PrimaryKey(autoGenerate = true)
+    val vehicleId: Long = 0,
+    val name: String? = null,
+    val price: String? = null,
+    val category: String? = null,
+    val image: String? = null
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/example/ca_kotlin/dao/VehicleDAO.kt b/app/src/main/java/com/example/ca_kotlin/dao/VehicleDAO.kt
new file mode 100644
index 0000000..b697c02
--- /dev/null
+++ b/app/src/main/java/com/example/ca_kotlin/dao/VehicleDAO.kt
@@ -0,0 +1,19 @@
+package com.example.ca_kotlin.dao
+
+import androidx.room.*
+
+// DAO for the Country
+@Dao
+abstract class VehicleDAO {
+    @Query("SELECT * FROM vehicles")
+    abstract fun getVehicles(): List<Vehicle>
+    @Insert
+    abstract fun insert(vararg country: Vehicle)
+    @Update
+    abstract fun update(vararg country: Vehicle)
+    @Query("DELETE FROM vehicles WHERE vehicleId = :id")
+    abstract fun delete(id: Long)
+
+    @Query("SELECT * FROM vehicles WHERE vehicleId = :id LIMIT 1")
+    abstract fun find(id: Long): Vehicle
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_calendar.xml b/app/src/main/res/layout/activity_calendar.xml
deleted file mode 100644
index 4db605b..0000000
--- a/app/src/main/res/layout/activity_calendar.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout 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:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:gravity = "center"
-    tools:context=".CalendarActivity">
-
-    <include
-        android:id="@+id/include2"
-        layout="@layout/toolbar" />
-
-
-    <DatePicker
-        android:id="@+id/date"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:calendarTextColor="@color/purple_200"
-        android:datePickerMode="calendar"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/include2"></DatePicker>
-
-    <Button
-        android:id="@+id/add_date"
-        android:layout_width="0dp"
-        android:layout_height="50dp"
-        android:background="@color/validation"
-        android:text="Valider"
-        android:textColor="@android:color/white"
-        app:backgroundTint="@color/validation"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent" />
-
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_country_selector.xml b/app/src/main/res/layout/activity_country_selector.xml
deleted file mode 100644
index 79cf71b..0000000
--- a/app/src/main/res/layout/activity_country_selector.xml
+++ /dev/null
@@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout 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"
-    tools:context=".CountrySelectorActivity">
-
-    <include
-        android:id="@+id/include"
-        layout="@layout/toolbar" />
-
-    <EditText
-        android:id="@+id/text"
-        android:layout_width="0dp"
-        android:layout_height="70dp"
-        android:background="#eee"
-        android:hint="Nom du pays"
-        android:inputType="textCapSentences"
-        android:maxLines="1"
-        android:paddingLeft="16px"
-        android:textColor="@android:color/black"
-        app:layout_constraintEnd_toStartOf="@+id/validate"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/include" />
-
-    <Button
-        android:id="@+id/validate"
-        android:layout_width="70dp"
-        android:layout_height="0dp"
-        android:background="#eee"
-        android:text="OK"
-        android:textColor="@android:color/white"
-        app:backgroundTint="@color/button"
-        app:layout_constraintBottom_toTopOf="@+id/list"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/include" />
-
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/list"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_marginStart="16dp"
-        android:layout_marginEnd="16dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/text" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index f949359..51e47eb 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -14,24 +14,31 @@
         android:id="@+id/list_country"
         android:layout_width="match_parent"
         android:layout_height="0dp"
-        android:layout_marginStart="16dp"
-        android:layout_marginEnd="16dp"
-        app:layout_constraintBottom_toTopOf="@+id/bouton_retour"
+        app:layout_constraintBottom_toTopOf="@+id/constraintLayout"
+        app:layout_constraintHorizontal_bias="0.0"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/include" />
 
-    <Button
-        android:id="@+id/bouton_retour"
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/constraintLayout"
         android:layout_width="0dp"
-        android:layout_height="50dp"
-        android:background="#eee"
-        android:onClick="addCountry"
-        android:text="AJOUTER UN PAYS"
-        android:textColor="@android:color/white"
-        app:backgroundTint="@color/button"
+        android:layout_height="60dp"
+        android:background="@color/button"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/list_country">
+
+        <Switch
+            android:id="@+id/switch1"
+            android:layout_width="88dp"
+            android:showText="false"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/country_selector_item.xml b/app/src/main/res/layout/country_selector_item.xml
index f206d01..86ba05f 100644
--- a/app/src/main/res/layout/country_selector_item.xml
+++ b/app/src/main/res/layout/country_selector_item.xml
@@ -8,7 +8,7 @@
 
     <ImageView
         android:id="@+id/image"
-        android:layout_width="wrap_content"
+        android:layout_width="144dp"
         android:layout_height="72dp"
         android:layout_marginTop="8dp"
         android:layout_marginBottom="8dp"
@@ -32,7 +32,7 @@
         tools:text="Nom Pays" />
 
     <TextView
-        android:id="@+id/capital"
+        android:id="@+id/price"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="8dp"
@@ -42,7 +42,7 @@
         tools:text="Capital: Capital" />
 
     <TextView
-        android:id="@+id/region"
+        android:id="@+id/category"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="8dp"
@@ -50,7 +50,7 @@
         android:textColor="@android:color/black"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toEndOf="@+id/image"
-        app:layout_constraintTop_toBottomOf="@+id/capital"
+        app:layout_constraintTop_toBottomOf="@+id/price"
         tools:text="Continent: Continent" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/details.xml b/app/src/main/res/layout/details.xml
new file mode 100644
index 0000000..e3ce247
--- /dev/null
+++ b/app/src/main/res/layout/details.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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">
+
+    <include
+        android:id="@+id/include"
+        layout="@layout/toolbar" />
+
+    <TextView
+        android:id="@+id/details"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:scaleX="2"
+        android:scaleY="2"
+        android:text="Détails"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/include" />
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:text="TextView"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/details" />
+
+    <Button
+        android:id="@+id/favorites"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Favoris"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/text" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_list.xml b/app/src/main/res/layout/item_list.xml
deleted file mode 100644
index b7202e5..0000000
--- a/app/src/main/res/layout/item_list.xml
+++ /dev/null
@@ -1,87 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<androidx.constraintlayout.widget.ConstraintLayout 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/list"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:layout_weight="1"
-    android:background="@drawable/border_bottom">
-
-    <LinearLayout
-        android:id="@+id/linearLayout"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="8dp"
-        android:orientation="vertical"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <ImageView
-            android:id="@+id/image"
-            android:layout_width="wrap_content"
-            android:layout_height="64dp"
-            android:layout_weight="1"
-            tools:srcCompat="@tools:sample/avatars" />
-
-        <TextView
-            android:id="@+id/date"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:fontFamily="sans-serif-medium"
-            android:textAlignment="center"
-            android:textColor="@color/black"
-            tools:text="12 sep. 2018" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:layout_marginStart="8dp"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="8dp"
-        android:orientation="vertical"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toEndOf="@+id/linearLayout"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <TextView
-            android:id="@+id/country"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:fontFamily="sans-serif-medium"
-            android:textColor="@color/black"
-            android:textSize="24sp"
-            tools:text="France" />
-
-        <TextView
-            android:id="@+id/capital"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            tools:text="Capital: Paris" />
-
-        <TextView
-            android:id="@+id/continent"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            tools:text="Continent: Europe" />
-    </LinearLayout>
-
-    <ImageButton
-        android:id="@+id/delete"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="8dp"
-        android:background="@color/white"
-        android:onClick="deleteCountry"
-        android:src="@drawable/ic_trash"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/toolbar.xml b/app/src/main/res/layout/toolbar.xml
index fd70018..40de597 100644
--- a/app/src/main/res/layout/toolbar.xml
+++ b/app/src/main/res/layout/toolbar.xml
@@ -9,7 +9,7 @@
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="World Visit"
+        android:text="Mad Cars"
         android:textColor="@color/white"
         android:textSize="23sp"></TextView>
 
diff --git a/app/src/main/res/values-night/themes.xml b/app/src/main/res/values-night/themes.xml
index 969bbd1..e989d54 100644
--- a/app/src/main/res/values-night/themes.xml
+++ b/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.CA_Contest" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.CA_Kotlin" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index fffe72d..18fb649 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">CA_Contest</string>
+    <string name="app_name">CA_Kotlin</string>
     <string name="title_activity_country_selector">CountrySelectorActivity</string>
     <!-- Strings used for fragments for navigation -->
     <string name="first_fragment_label">First Fragment</string>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 25f86a4..5e35fef 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.CA_Contest" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.CA_Kotlin" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/button</item>
         <item name="colorPrimaryVariant">@color/button</item>
@@ -14,12 +14,12 @@
         <!-- Customize your theme here. -->
     </style>
 
-    <style name="Theme.CA_Contest.NoActionBar">
+    <style name="Theme.CA_Kotlin.NoActionBar">
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
     </style>
 
-    <style name="Theme.CA_Contest.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+    <style name="Theme.CA_Kotlin.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
 
-    <style name="Theme.CA_Contest.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+    <style name="Theme.CA_Kotlin.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
 </resources>
\ No newline at end of file
diff --git a/app/src/test/java/com/example/ca_contest/ExampleUnitTest.kt b/app/src/test/java/com/example/ca_kotlin/ExampleUnitTest.kt
similarity index 91%
rename from app/src/test/java/com/example/ca_contest/ExampleUnitTest.kt
rename to app/src/test/java/com/example/ca_kotlin/ExampleUnitTest.kt
index d2c73fb..9851512 100644
--- a/app/src/test/java/com/example/ca_contest/ExampleUnitTest.kt
+++ b/app/src/test/java/com/example/ca_kotlin/ExampleUnitTest.kt
@@ -1,4 +1,4 @@
-package com.example.ca_contest
+package com.example.ca_kotlin
 
 import org.junit.Test
 
diff --git a/app/src/test/kotlin/CA_Contest/AppTest.kt b/app/src/test/kotlin/CA_Contest/AppTest.kt
index 6f9e77f..5421120 100644
--- a/app/src/test/kotlin/CA_Contest/AppTest.kt
+++ b/app/src/test/kotlin/CA_Contest/AppTest.kt
@@ -1,7 +1,7 @@
 /*
  * This Kotlin source file was generated by the Gradle 'init' task.
  */
-package CA_Contest
+package CA_Kotlin
 
 import kotlin.test.Test
 import kotlin.test.assertNotNull
diff --git a/build.gradle b/build.gradle
index 1537418..d6c09e6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.2'
+        classpath 'com.android.tools.build:gradle:4.2.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle.properties b/gradle.properties
index 98bed16..97718aa 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -18,4 +18,5 @@ android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
-kotlin.code.style=official
\ No newline at end of file
+kotlin.code.style=official
+kapt.incremental.apt=true
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 3094fdb..621ab03 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
diff --git a/settings.gradle b/settings.gradle
index 3fa223d..c7063d2 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,2 +1,2 @@
 include ':app'
-rootProject.name = "CA_Contest"
\ No newline at end of file
+rootProject.name = "CA_Kotlin"
\ No newline at end of file