diff --git a/app/src/main/java/com/dreamteam/timelapse/ProjectActivity.kt b/app/src/main/java/com/dreamteam/timelapse/ProjectActivity.kt
index a040e65..179308f 100644
--- a/app/src/main/java/com/dreamteam/timelapse/ProjectActivity.kt
+++ b/app/src/main/java/com/dreamteam/timelapse/ProjectActivity.kt
@@ -89,7 +89,7 @@ class ProjectActivity : AppCompatActivity() {
     fun fetchVideos(){
         this.project?.let{
             videoRepository.fetchVideosOfProject(it.id, onSuccess = { videos ->
-                val adapter = VideoAdapter(false, videos, null) //ImageAdapter(imageUrls)
+                val adapter = VideoAdapter(false, videos.toMutableList(), null) //ImageAdapter(imageUrls)
                 binding.videosList.layoutManager = GridLayoutManager(this.baseContext, 2, GridLayoutManager.HORIZONTAL, false)
                 binding.videosList.addItemDecoration(GridSpacingItemDecoration(16)) // 16px spacing
                 binding.videosList.adapter = adapter
diff --git a/app/src/main/java/com/dreamteam/timelapse/VideoAdapter.kt b/app/src/main/java/com/dreamteam/timelapse/VideoAdapter.kt
index a57e05b..316e15c 100644
--- a/app/src/main/java/com/dreamteam/timelapse/VideoAdapter.kt
+++ b/app/src/main/java/com/dreamteam/timelapse/VideoAdapter.kt
@@ -46,10 +46,11 @@ import java.io.FileOutputStream
 
 class VideoAdapter(
     public val withProjectNames : Boolean,
-    private val videos: List<Video>,
+    private val videos: MutableList<Video>,
     private val listener: OnEmptyStateListener?
 ) : RecyclerView.Adapter<VideoAdapter.VideoViewHolder>() {
     private var projectRepository: ProjectRepository;
+    private var videoRepository : VideoRepository;
     init {
         val retrofit = Retrofit.Builder()
             .baseUrl("https://timelapse.kerboul.me/api/")
@@ -57,6 +58,7 @@ class VideoAdapter(
             .build()
 
         projectRepository = ProjectRepository(retrofit.create(ApiService::class.java))
+        videoRepository = VideoRepository(retrofit.create(ApiService::class.java))
         listener?.onEmptyStateChanged(videos.isEmpty())
     }
 
@@ -105,12 +107,12 @@ class VideoAdapter(
             context.startActivity(intent)
         }
         holder.itemView.setOnLongClickListener {
-            showPopupMenu(it, url)
+            showPopupMenu(it, url, video.id)
             true
         }
     }
 
-    private fun showPopupMenu(view: View, videoUrl: String) {
+    private fun showPopupMenu(view: View, videoUrl: String, id:Int) {
         val popupMenu = PopupMenu(view.context, view)
         popupMenu.menuInflater.inflate(R.menu.video_popup_menu, popupMenu.menu)
 
@@ -120,6 +122,22 @@ class VideoAdapter(
                     downloadVideo(view.context, videoUrl)
                     true
                 }
+                R.id.menu_delete -> {
+                    videoRepository.deleteVideo(id, onSuccess = {
+                        val v = videos.find {v -> v.id == id}
+                        val i = videos.indexOf(v)
+                        this.videos.removeAt(i)
+                        Handler(Looper.getMainLooper()).post {
+                            Toast.makeText(view.context, "Video supprimée", Toast.LENGTH_SHORT).show()
+                        }
+                        notifyItemRemoved(i)
+                    }, onError = {s ->
+                        Handler(Looper.getMainLooper()).post {
+                            Toast.makeText(view.context, "Erreur lors de la suppression : $s", Toast.LENGTH_SHORT).show()
+                        }
+                    });
+                    true
+                }
                 else -> false
             }
         }
diff --git a/app/src/main/java/com/dreamteam/timelapse/VideoFrag.kt b/app/src/main/java/com/dreamteam/timelapse/VideoFrag.kt
index f510e2e..a72ca04 100644
--- a/app/src/main/java/com/dreamteam/timelapse/VideoFrag.kt
+++ b/app/src/main/java/com/dreamteam/timelapse/VideoFrag.kt
@@ -2,16 +2,13 @@ package com.dreamteam.timelapse
 
 import android.os.Bundle
 import android.util.Log
-import android.util.TypedValue
 import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.GridLayoutManager
-import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.dreamteam.timelapse.data.VideoRepository
-import com.dreamteam.timelapse.databinding.FragmentProjetsBinding
 import com.dreamteam.timelapse.data.ApiService
 import com.dreamteam.timelapse.data.Video
 import com.dreamteam.timelapse.databinding.FragmentVideosBinding
@@ -84,11 +81,11 @@ class VideoFrag : Fragment(), VideoAdapter.OnEmptyStateListener {
 
         //binding.swipeRefreshLayout.dragDown()
         Log.d("ProjetsFrag", "User has refreshed the videos list")
-        videoRepository.fetchVideos(
+        videoRepository.fetchRenderedVideos(
             onSuccess = { videos ->
                 Log.d("ProjetsFrag", "Projets reçus : $videos")
                 this.videos = videos
-                this.videoAdapter = VideoAdapter(true, this.videos, this) //TODO : Potentiel problème pour les refresh ici (update de l'adapter ou un truc du genre à voir)
+                this.videoAdapter = VideoAdapter(true, this.videos.toMutableList(), this) //TODO : Potentiel problème pour les refresh ici (update de l'adapter ou un truc du genre à voir)
                 this.recyclerView.adapter = this.videoAdapter
                 // Mettre à jour le RecyclerView ou autre traitement
             },
@@ -96,7 +93,7 @@ class VideoFrag : Fragment(), VideoAdapter.OnEmptyStateListener {
                 Log.e("ProjetsFrag prout", errorMessage)
                 //onEmptyStateChanged(true)
                 this.videos = listOf<Video>()
-                this.videoAdapter = VideoAdapter(true, this.videos, this) //TODO : Potentiel problème pour les refresh ici (update de l'adapter ou un truc du genre à voir)
+                this.videoAdapter = VideoAdapter(true, this.videos.toMutableList(), this) //TODO : Potentiel problème pour les refresh ici (update de l'adapter ou un truc du genre à voir)
                 this.recyclerView.adapter = this.videoAdapter
 
             }
diff --git a/app/src/main/java/com/dreamteam/timelapse/data/ApiService.kt b/app/src/main/java/com/dreamteam/timelapse/data/ApiService.kt
index fc68c25..ec38904 100644
--- a/app/src/main/java/com/dreamteam/timelapse/data/ApiService.kt
+++ b/app/src/main/java/com/dreamteam/timelapse/data/ApiService.kt
@@ -17,6 +17,8 @@ interface ApiService {
     fun getMeasurements(@Path("id") projectId: Int): Call<List<Measurement>>
     @GET("videos")
     fun getVideos(): Call<List<VideoDTO>>
+    @DELETE("videos/{id}")
+    fun deleteVideo(@Path("id") videoId : Int): Call<Void>
     @POST("projects/")
     fun createProject(@Body project: Project): Call<Confirmation>
     @GET("projects/{id}/videos")
diff --git a/app/src/main/java/com/dreamteam/timelapse/data/VideoRepository.kt b/app/src/main/java/com/dreamteam/timelapse/data/VideoRepository.kt
index 0380f82..1542c22 100644
--- a/app/src/main/java/com/dreamteam/timelapse/data/VideoRepository.kt
+++ b/app/src/main/java/com/dreamteam/timelapse/data/VideoRepository.kt
@@ -3,16 +3,32 @@ package com.dreamteam.timelapse.data
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
-import java.util.Date
 
 class VideoRepository(private val apiService: ApiService) {
-    fun fetchVideos(onSuccess: (List<Video>) -> Unit, onError: (String) -> Unit) {
+    fun fetchRenderedVideos(onSuccess: (List<Video>) -> Unit, onError: (String) -> Unit) {
         apiService.getVideos().enqueue(object : Callback<List<VideoDTO>> {
             override fun onResponse(call: Call<List<VideoDTO>>, response: Response<List<VideoDTO>>) {
                 if (response.isSuccessful) {
                     val videoDtos = response.body() ?: emptyList()
                     val videos = videoDtos.map { it.toVideo() } // Convert ugly data to clean Video objects
-                    onSuccess(videos)
+                    onSuccess(videos.filter { v -> v.video_file != null })
+                } else {
+                    onError("Erreur serveur : ${response.code()}")
+                }
+            }
+
+            override fun onFailure(call: Call<List<VideoDTO>>, t: Throwable) {
+                onError("Erreur réseau : ${t.message}")
+            }
+        })
+    }
+    fun fetchUnrenderedVideos(onSuccess: (List<Video>) -> Unit, onError: (String) -> Unit) {
+        apiService.getVideos().enqueue(object : Callback<List<VideoDTO>> {
+            override fun onResponse(call: Call<List<VideoDTO>>, response: Response<List<VideoDTO>>) {
+                if (response.isSuccessful) {
+                    val videoDtos = response.body() ?: emptyList()
+                    val videos = videoDtos.map { it.toVideo() } // Convert ugly data to clean Video objects
+                    onSuccess(videos.filter { v -> v.video_file == null })
                 } else {
                     onError("Erreur serveur : ${response.code()}")
                 }
@@ -40,4 +56,36 @@ class VideoRepository(private val apiService: ApiService) {
             }
         })
     }
-}
\ No newline at end of file
+    fun fetchUnrenderedVideosOfProject(id:Int, onSuccess: (List<Video>) -> Unit, onError: (String) -> Unit){
+        apiService.getVideosOfProject(id).enqueue(object : Callback<List<VideoDTO>> {
+            override fun onResponse(call: Call<List<VideoDTO>>, response: Response<List<VideoDTO>>) {
+                if (response.isSuccessful) {
+                    val videoDtos = response.body() ?: emptyList()
+                    val videos = videoDtos.map { it.toVideo() } // Convert ugly data to clean Video objects
+                    onSuccess(videos.filter { v -> v.video_file == null })
+                } else {
+                    onError("Erreur serveur : ${response.code()}")
+                }
+            }
+
+            override fun onFailure(call: Call<List<VideoDTO>>, t: Throwable) {
+                onError("Erreur réseau : ${t.message}")
+            }
+        })
+    }
+
+    fun deleteVideo(id:Int, onSuccess: () -> Unit, onError: (String) -> Unit){
+        apiService.deleteVideo(id).enqueue(object : Callback<Void> {
+            override fun onResponse(call: Call<Void>, response: Response<Void>) {
+                if (response.isSuccessful) {
+                    onSuccess()
+                } else {
+                    onError("Erreur serveur : ${response.code()}")
+                }
+            }
+
+            override fun onFailure(call: Call<Void>, t: Throwable) {
+                onError("Erreur réseau : ${t.message}")
+            }
+        })
+    }}
\ No newline at end of file
diff --git a/app/src/main/res/layout/project.xml b/app/src/main/res/layout/project.xml
index 28119f9..9435fc0 100644
--- a/app/src/main/res/layout/project.xml
+++ b/app/src/main/res/layout/project.xml
@@ -18,18 +18,25 @@
         tools:ignore="MissingConstraints"
         app:layout_constraintEnd_toEndOf="parent"
         >
+        <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsingToolbar"
+            android:layout_width="match_parent"
+            android:layout_height="100sp"
+            app:layout_scrollFlags="scroll|exitUntilCollapsed"
+            app:expandedTitleTextAppearance="@style/TextAppearance.AppCompat.Large"
+            app:collapsedTitleTextAppearance="@style/TextAppearance.AppCompat.Small">
 
-        <TextView
-            android:id="@+id/project_name"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="16dp"
-            android:text="Nom du projet"
-            android:textSize="20sp"
-            android:textStyle="bold"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            <TextView
+                android:id="@+id/project_name"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:padding="10dp"
+                android:text="Nom du projet"
+                android:textSize="20sp"
+                android:textStyle="bold" />
+
+        </com.google.android.material.appbar.CollapsingToolbarLayout>
 
     </com.google.android.material.appbar.AppBarLayout>
 
diff --git a/app/src/main/res/menu/video_popup_menu.xml b/app/src/main/res/menu/video_popup_menu.xml
index 661a930..f7f9245 100644
--- a/app/src/main/res/menu/video_popup_menu.xml
+++ b/app/src/main/res/menu/video_popup_menu.xml
@@ -6,4 +6,8 @@
         android:id="@+id/menu_download"
         android:title="Télécharger"
         android:icon="@android:drawable/ic_menu_save" />
+    <item
+        android:id="@+id/menu_delete"
+        android:title="Supprimer"
+        android:icon="@android:drawable/ic_delete" />
 </menu>
\ No newline at end of file