diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/ScienceQuest.iml b/.idea/ScienceQuest.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/ScienceQuest.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..b589d56
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="17" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
new file mode 100644
index 0000000..0c0c338
--- /dev/null
+++ b/.idea/deploymentTargetDropDown.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <value>
+      <entry key="app">
+        <State />
+      </entry>
+    </value>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..ce56490
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="externalProjectPath" value="$PROJECT_DIR$/android" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$/android" />
+            <option value="$PROJECT_DIR$/android/app" />
+          </set>
+        </option>
+        <option name="resolveExternalAnnotations" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
new file mode 100644
index 0000000..fdf8d99
--- /dev/null
+++ b/.idea/kotlinc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.9.0" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/migrations.xml b/.idea/migrations.xml
new file mode 100644
index 0000000..848eaa5
--- /dev/null
+++ b/.idea/migrations.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$/android" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..ac801d8
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/android/.idea/.name b/android/.idea/.name
new file mode 100644
index 0000000..7c66ae3
--- /dev/null
+++ b/android/.idea/.name
@@ -0,0 +1 @@
+ScienceQuest
\ No newline at end of file
diff --git a/android/.idea/deploymentTargetDropDown.xml b/android/.idea/deploymentTargetDropDown.xml
index 81d842f..3d7ae4a 100644
--- a/android/.idea/deploymentTargetDropDown.xml
+++ b/android/.idea/deploymentTargetDropDown.xml
@@ -2,6 +2,9 @@
 <project version="4">
   <component name="deploymentTargetDropDown">
     <value>
+      <entry key="LoginScreen">
+        <State />
+      </entry>
       <entry key="app">
         <State>
           <targetSelectedWithDropDown>
@@ -10,12 +13,12 @@
               <deviceKey>
                 <Key>
                   <type value="VIRTUAL_DEVICE_PATH" />
-                  <value value="$USER_HOME$/.android/avd/Pixel_7_Pro_API_34_3.avd" />
+                  <value value="$USER_HOME$/.android/avd/Pixel_XL_API_34.avd" />
                 </Key>
               </deviceKey>
             </Target>
           </targetSelectedWithDropDown>
-          <timeTargetWasSelectedWithDropDown value="2024-03-12T10:19:03.112968394Z" />
+          <timeTargetWasSelectedWithDropDown value="2024-03-12T12:45:20.117863504Z" />
         </State>
       </entry>
     </value>
diff --git a/android/app/src/main/java/fr/iut/sciencequest/model/RequestService.kt b/android/app/src/main/java/fr/iut/sciencequest/model/RequestService.kt
new file mode 100644
index 0000000..f302816
--- /dev/null
+++ b/android/app/src/main/java/fr/iut/sciencequest/model/RequestService.kt
@@ -0,0 +1,31 @@
+package fr.iut.sciencequest.model
+
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import fr.iut.sciencequest.model.dto.ScientifiqueDTO
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType
+import okhttp3.OkHttpClient
+import retrofit2.Call
+import retrofit2.Retrofit
+import retrofit2.http.GET
+import retrofit2.http.Path
+
+// a remplir
+private const val API_BASE_URL = ""
+
+val httpClient = OkHttpClient()
+
+interface RequestService {
+    @GET("scientifiques/{index}/{count}")
+    fun getScientifiques(@Path("index") index: Int, @Path("count") count: Int): Call<List<ScientifiqueDTO>>
+
+    @GET("scientifiques/{id}")
+    fun getScientifique(@Path("id") id: Int)
+}
+
+fun createRequestService(): Retrofit =
+    Retrofit.Builder()
+        .baseUrl(API_BASE_URL)
+        .addConverterFactory(Json {  ignoreUnknownKeys = true }.asConverterFactory(MediaType.get("application/json")))
+        .client(httpClient)
+        .build()
\ No newline at end of file