diff --git a/app/src/main/java/be/lepl1509group13/workoutwarrior/ProgramCreationActivity.java b/app/src/main/java/be/lepl1509group13/workoutwarrior/ProgramCreationActivity.java
index 75fc222acbc85f424dec97093902bc5ca6b37f25..f94d7f816b49e75d24c39ced4ce632d240a7a100 100644
--- a/app/src/main/java/be/lepl1509group13/workoutwarrior/ProgramCreationActivity.java
+++ b/app/src/main/java/be/lepl1509group13/workoutwarrior/ProgramCreationActivity.java
@@ -84,14 +84,14 @@ public class ProgramCreationActivity extends AppCompatActivity {
         setContentView(R.layout.program_creation);
         getSupportActionBar().hide();
 
-        init_days_TextView();
-        ((TextView) findViewById(R.id.textview_monday)).setTypeface(Typeface.DEFAULT, Typeface.BOLD);
+        //init_days_TextView();
+
 
         db = firebaseDb.getReference("Workouts");
         get_DB_Exercices();
 
         init_day_lists(); // initialisation des listes pour stocker les exercices choisis
-        init_checkboxes(); // initialisation des checkbox des jours
+        //init_checkboxes(); // initialisation des checkbox des jours
 
         input_exo = findViewById(R.id.input_new_exo); // champ de recherche des exercices
         exos_current_day = findViewById(R.id.exos_current_day_ListView); // liste des exercices choisis pour le jour courant
@@ -219,11 +219,11 @@ public class ProgramCreationActivity extends AppCompatActivity {
     }
 
 
-
+/**
     private void init_checkboxes() {
         /**
          * Ajoute les checkboxes dans la liste
-         */
+
         cb_lundi = findViewById(R.id.checkbox_monday);
         cb_mardi = findViewById(R.id.checkbox_tuesday);
         cb_mercredi = findViewById(R.id.checkbox_wednesday);
@@ -240,6 +240,7 @@ public class ProgramCreationActivity extends AppCompatActivity {
         cb_list.add(cb_samedi);
         cb_list.add(cb_dimanche);
     }
+    */
 
     private void init_day_lists() {
         exoDetailsForEachDay.put("lundi", new ArrayList<>());
@@ -252,11 +253,11 @@ public class ProgramCreationActivity extends AppCompatActivity {
 
         System.out.println(exoDetailsForEachDay);
     }
-
+/**
     void init_days_TextView() {
         /**
          * Ajoute à days_TextView tous les TextView des jours
-         */
+
         days_TextView.add(findViewById(R.id.textview_monday));
         days_TextView.add(findViewById(R.id.textview_tuesday));
         days_TextView.add(findViewById(R.id.textview_wednesday));
@@ -265,6 +266,7 @@ public class ProgramCreationActivity extends AppCompatActivity {
         days_TextView.add(findViewById(R.id.textview_saturday));
         days_TextView.add(findViewById(R.id.textview_sunday));
     }
+ */
 
 
 
diff --git a/app/src/main/java/be/lepl1509group13/workoutwarrior/WorkoutActivity.java b/app/src/main/java/be/lepl1509group13/workoutwarrior/WorkoutActivity.java
index d609da124620448edc346f2a846682af34e4117a..f8a283a65d1c1714bc6bdc3ee4caf1c55b3c6c04 100644
--- a/app/src/main/java/be/lepl1509group13/workoutwarrior/WorkoutActivity.java
+++ b/app/src/main/java/be/lepl1509group13/workoutwarrior/WorkoutActivity.java
@@ -34,7 +34,7 @@ public class WorkoutActivity extends AppCompatActivity {
     private DatabaseReference db;
     private Integer numberOfWorkouts;
     private int[] workout_id = new int[25];
-    private boolean is_countdown = false;
+
 
     private int timer;
 
@@ -42,9 +42,11 @@ public class WorkoutActivity extends AppCompatActivity {
     TextView set_break_timer_text;
     private CountDownTimer set_countDownTimer;
     long set_break_timer; // temps de pause entre les séries
-    private boolean set_break_timer_counting = false; // vrai si le timer de pause est enclenché
-    private boolean workout_timer_counting = false; // vrai si le timer de l'exo est enclenché
-    private long timeLeftInMillis;
+    private boolean set_break_timer_counting = false; // vrai si le timer de pause est en train de décompter
+    private boolean workout_timer_counting = false; // vrai si le timer de l'exo est en train de décompter
+    private boolean workout_timer_started = false; // vrai si le timer de l'exo a déjà été démarré (qu'il soit sur pause ou non)
+    private long timeLeftInMillis; // temps restant sur le timer du workout
+    Button next_btn;
 
 
 
@@ -63,11 +65,15 @@ public class WorkoutActivity extends AppCompatActivity {
         db = firebaseDb.getReference("Programs");
         getProgramData(id);
 
-        Button next_btn = findViewById(R.id.next_btn);
+        next_btn = findViewById(R.id.next_btn);
         next_btn.setOnClickListener(v -> onNextClick());
 
         ImageButton return_btn = findViewById(R.id.return_btn);
-        return_btn.setOnClickListener(view -> finish());
+        return_btn.setOnClickListener(view -> {
+            if (countdown != null) countdown.cancel();
+            if (set_countDownTimer != null) set_countDownTimer.cancel();
+            finish();
+        });
 
         // Timer de pause entre les séries
         set_break_btn = findViewById(R.id.set_break_btn);
@@ -76,14 +82,17 @@ public class WorkoutActivity extends AppCompatActivity {
         //Check if the user click on "start timer"
         Button launch_timer = findViewById(R.id.launch_timer);
         launch_timer.setOnClickListener(view -> {
-            updateTimer(timer, true);
+            countdown = workout_timer(timer);
+            countdown.start();
             launch_timer.setVisibility(View.INVISIBLE);
+            workout_timer_started = true;
+            workout_timer_counting = true;
         });
         timeLeftInMillis = timer;
     }
 
     // Timer entre les séries
-    CountDownTimer set_timer() {
+    CountDownTimer workout_break_timer() {
         CountDownTimer timer = new CountDownTimer(set_break_timer, 1000) {
             public void onTick(long millisUntilFinished) {
                 set_break_timer_text.setText("Temps restant: " + millisUntilFinished / 1000);
@@ -98,8 +107,11 @@ public class WorkoutActivity extends AppCompatActivity {
                 if (vibrator.hasVibrator()) {
                     vibrator.vibrate(vibrationDuration);
                 }
-                updateTimer((int) timeLeftInMillis, true);
-                workout_timer_counting = true;
+                if (workout_timer_started) {
+                    countdown = workout_timer((int) timeLeftInMillis);
+                    countdown.start();
+                    workout_timer_counting = true;
+                }
             }
         };
         return timer;
@@ -166,14 +178,19 @@ public class WorkoutActivity extends AppCompatActivity {
                 set_break_timer = workout.child("break").getValue(Integer.class);
                 set_break_timer_text.setText(String.valueOf(set_break_timer/1000) + " secondes");
 
-                set_countDownTimer = set_timer();
+                set_countDownTimer = workout_break_timer();
                 set_break_btn.setOnClickListener(view -> {
                     if (set_break_timer_counting) {
                         set_countDownTimer.cancel();
                         set_break_timer_text.setText(String.valueOf(set_break_timer/1000) + " secondes");
                         set_break_timer_counting = false;
-                        updateTimer((int) timeLeftInMillis, true);
-                        workout_timer_counting = true;
+
+                        // Si le timer avait déjà été actionné, on reprend le décompte
+                        if (workout_timer_started) {
+                            countdown = workout_timer((int) timeLeftInMillis);
+                            countdown.start();
+                            workout_timer_counting = true;
+                        }
                     }
                     else {
                         set_countDownTimer.start();
@@ -192,7 +209,10 @@ public class WorkoutActivity extends AppCompatActivity {
                     launch_timer.setVisibility(View.VISIBLE);
                 }else{
                     launch_timer.setVisibility(View.INVISIBLE);
-                    updateTimer(0, false);
+                    if (countdown != null) {
+                        countdown.cancel();
+                        countdown.onFinish();
+                    }
                 }
             }
 
@@ -205,26 +225,36 @@ public class WorkoutActivity extends AppCompatActivity {
 
     @SuppressLint("SetTextI18n")
     private void onNextClick() {
+        if (set_countDownTimer != null) {
+            set_countDownTimer.cancel();
+            set_countDownTimer.onFinish();
+        }
+
+        System.out.println("counting : " + workout_timer_counting + countdown);
+        if (workout_timer_counting && countdown != null) {
+            countdown.cancel();
+            countdown.onFinish();
+            countdown = null;
+            System.out.println("countdown = " + countdown);
+            workout_timer_counting = false;
+        }
+
         TextView name = findViewById(R.id.workout_todo);
         TextView description = findViewById(R.id.workout_detail);
         ImageView image = findViewById(R.id.workout_image);
-        Button btn_next = findViewById(R.id.next_btn);
 
-        //Reset countdown of the exercise and hide button
-        if(is_countdown){
-            countdown.cancel();
-        }
-        updateTimer(0, false);
+
         Button launch_timer = findViewById(R.id.launch_timer);
         launch_timer.setVisibility(View.INVISIBLE);
 
         if(step == 0){
             finish();
         }
-        // If it's not the last exercice, break and next exercice
+        // If it's not the last exercice, take a break then next exercice
         else if(!Objects.equals(numberOfWorkouts, step)){
             TextView timer_break = findViewById(R.id.timer_break);
-            CountDownTimer countDownBreak = new CountDownTimer(2000, 1000) {
+
+            CountDownTimer countDownBreak = new CountDownTimer(10000, 1000) {
                 @Override
                 public void onTick(long l) {
                     timer_break.setText("");
@@ -232,8 +262,8 @@ public class WorkoutActivity extends AppCompatActivity {
                     description.setText("");
                     image.setVisibility(View.INVISIBLE);
                     timer_break.setText("" + l/1000);
-                    btn_next.setVisibility(View.INVISIBLE);
-                    set_break_timer_text.setText("");
+                    //btn_next.setVisibility(View.INVISIBLE);
+                    set_break_timer_text.setText("Il est temps de prendre une pause...");
                     set_break_btn.setVisibility(View.INVISIBLE);
                 }
 
@@ -241,45 +271,53 @@ public class WorkoutActivity extends AppCompatActivity {
                 public void onFinish() {
                     timer_break.setText("");
                     image.setVisibility(View.VISIBLE);
-                    btn_next.setVisibility(View.VISIBLE);
+                    next_btn.setVisibility(View.VISIBLE);
                     set_break_btn.setVisibility(View.VISIBLE);
                     db = firebaseDb.getReference("Workouts");
                     getWorkoutData(Integer.toString(workout_id[step - 1]));
                     step ++;
                 }
-            }.start();
+            };
+            countDownBreak.start();
+            next_btn.setText("Passer");
+            next_btn.setOnClickListener(v -> {
+                countDownBreak.cancel();
+                countDownBreak.onFinish();
+                next_btn.setText("Suivant");
+                next_btn.setOnClickListener(v1 -> onNextClick());
+            });
         } else if (numberOfWorkouts.equals(step)) {
-            name.setText("Workout terminé!");
+            name.setText("Entrainement terminé!");
             description.setText("");
-            btn_next.setText("Retour à l'accueil");
+            next_btn.setText("Retour à l'accueil");
             image.setImageResource(0);
             set_break_timer_text.setText("");
             set_break_btn.setVisibility(View.INVISIBLE);
             step = 0;
         }
+        System.out.println("countdown = " + countdown);
     }
 
-    void updateTimer(Integer millis, Boolean isTime){
+    CountDownTimer workout_timer(Integer millis){
         workout_timer_counting = true;
         TextView timer = findViewById(R.id.workout_timer);
 
-        if(!isTime){
-            timer.setText("");
-        }else{
-            countdown = new CountDownTimer(millis, 1000) {
-                public void onTick(long millisUntilFinished) {
-                    is_countdown = true;
-                    int seconds = (int) (millisUntilFinished / 1000);
-                    int minutes = seconds / 60;
-                    seconds     = seconds % 60;
-                    timer.setText(String.format("%d:%02d", minutes, seconds));
-                    timeLeftInMillis = millisUntilFinished;
-                }
-                public void onFinish() {
-                    is_countdown = false;
-                    timer.setText("Temps dépassé!");
+        CountDownTimer countdownTimer = new CountDownTimer(millis, 1000) {
+            public void onTick(long millisUntilFinished) {
+                int seconds = (int) (millisUntilFinished / 1000);
+                int minutes = seconds / 60;
+                seconds     = seconds % 60;
+                timer.setText(String.format("%d:%02d", minutes, seconds));
+                timeLeftInMillis = millisUntilFinished;
+            }
+            public void onFinish() {
+                if (workout_timer_counting) {
+                    timeLeftInMillis = 0;
+                    timer.setText("Workout terminé!");
+                    workout_timer_counting = false;
                 }
-            }.start();
-        }
+            }
+        };
+        return countdownTimer;
     }
 }
diff --git a/app/src/main/res/layout/activity_workout.xml b/app/src/main/res/layout/activity_workout.xml
index b4133549243039251d8559008756eabc231b0b15..afe126e9d0f6aa2d1edb08241b7a1268a8d1e0a5 100644
--- a/app/src/main/res/layout/activity_workout.xml
+++ b/app/src/main/res/layout/activity_workout.xml
@@ -133,7 +133,6 @@
       android:id="@+id/set_break_timer"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
-      android:text="Pause"
       android:textColor="@android:color/black"
       app:layout_constraintBottom_toTopOf="@+id/set_break_btn"
       app:layout_constraintEnd_toEndOf="@id/set_break_btn"
diff --git a/app/src/main/res/layout/program_creation.xml b/app/src/main/res/layout/program_creation.xml
index 1657be006ca4f328d7cdded453361e06d3956cc7..861b1eccee34b800086ce490aff405618cb33a45 100644
--- a/app/src/main/res/layout/program_creation.xml
+++ b/app/src/main/res/layout/program_creation.xml
@@ -46,22 +46,6 @@
             android:textAlignment="center"
             android:textSize="16sp" />
 
-        <!--
-        <Button
-            android:id="@+id/save_test"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="120dp"
-            android:layout_marginTop="12dp"
-            android:background="#FFFFFF"
-            android:backgroundTint="#FFFFFF"
-            android:clickable="true"
-            android:scaleType="fitCenter"
-            android:text="TEST"
-            android:textAlignment="center"
-            android:textSize="16sp" />
-        -->
-
     </RelativeLayout>
 
     <LinearLayout
@@ -165,177 +149,96 @@
             android:layout_marginTop="14dp">
 
             <LinearLayout
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:orientation="vertical">
+                android:gravity="center_horizontal">
 
-                <TextView
+                <TableLayout
+                    android:id="@+id/table_layout"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:fontFamily="@font/poppins"
-                    android:text="Sélectionnez les jours pour lesquels l'exercice sera ajouté :" />
+                    android:layout_height="wrap_content">
 
-                <LinearLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:orientation="vertical">
-
-                    <LinearLayout
+                    <TableRow
                         android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:orientation="horizontal">
-
-                        <CheckBox
-                            android:id="@+id/checkbox_monday"
-                            android:layout_width="30dp"
-                            android:layout_height="wrap_content"
-                            android:buttonTint="@color/orange"
-                            android:fontFamily="@font/poppins" />
+                        android:layout_height="wrap_content">
 
                         <TextView
-                            android:id="@+id/textview_monday"
-                            android:layout_width="70dp"
-                            android:layout_height="wrap_content"
-                            android:clickable="true"
-                            android:focusable="true"
-                            android:fontFamily="@font/poppins"
-                            android:onClick="onNewDayTextClick"
-                            android:tag="lundi"
-                            android:text="Lundi"
-                            android:textSize="15dp" />
-
-                        <CheckBox
-                            android:id="@+id/checkbox_tuesday"
-                            android:layout_width="30dp"
-                            android:layout_height="wrap_content"
-                            android:buttonTint="@color/orange"
-                            android:fontFamily="@font/poppins" />
+                            android:text="L"
+                            android:textAlignment="center"
+                            android:textSize="20sp"
+                            android:layout_weight="1"/>
+
+                        <View
+                            android:layout_width="1dp"
+                            android:layout_height="match_parent"
+                            android:background="@android:color/black"/>
 
                         <TextView
-                            android:id="@+id/textview_tuesday"
-                            android:layout_width="70dp"
-                            android:layout_height="wrap_content"
-                            android:clickable="true"
-                            android:focusable="true"
-                            android:fontFamily="@font/poppins"
-                            android:onClick="onNewDayTextClick"
-                            android:tag="mardi"
-                            android:text="Mardi"
-                            android:textSize="15dp" />
-
-                        <CheckBox
-                            android:id="@+id/checkbox_wednesday"
-                            android:layout_width="30dp"
-                            android:layout_height="wrap_content"
-                            android:buttonTint="@color/orange"
-                            android:fontFamily="@font/poppins" />
+                            android:text="M"
+                            android:textAlignment="center"
+                            android:textSize="20sp"
+                            android:layout_weight="1"/>
+
+                        <View
+                            android:layout_width="1dp"
+                            android:layout_height="match_parent"
+                            android:background="@android:color/black"/>
 
                         <TextView
-                            android:id="@+id/textview_wednesday"
-                            android:layout_width="70dp"
-                            android:layout_height="wrap_content"
-                            android:clickable="true"
-                            android:focusable="true"
-                            android:fontFamily="@font/poppins"
-                            android:onClick="onNewDayTextClick"
-                            android:tag="mercredi"
-                            android:text="Mercredi"
-                            android:textColor="@color/black"
-                            android:textSize="15dp" />
-
-                    </LinearLayout>
-
-                    <LinearLayout
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:orientation="horizontal">
+                            android:text="M"
+                            android:textAlignment="center"
+                            android:textSize="20sp"
+                            android:layout_weight="1"/>
 
-                        <CheckBox
-                            android:id="@+id/checkbox_thursday"
-                            android:layout_width="30dp"
-                            android:layout_height="wrap_content"
-                            android:buttonTint="@color/orange"
-                            android:fontFamily="@font/poppins" />
+                        <View
+                            android:layout_width="1dp"
+                            android:layout_height="match_parent"
+                            android:background="@android:color/black"/>
 
                         <TextView
-                            android:id="@+id/textview_thursday"
-                            android:layout_width="70dp"
-                            android:layout_height="wrap_content"
-                            android:clickable="true"
-                            android:focusable="true"
-                            android:fontFamily="@font/poppins"
-                            android:onClick="onNewDayTextClick"
-                            android:tag="jeudi"
-                            android:text="Jeudi"
-                            android:textSize="15dp" />
-
-                        <CheckBox
-                            android:id="@+id/checkbox_friday"
-                            android:layout_width="30dp"
-                            android:layout_height="wrap_content"
-                            android:buttonTint="@color/orange"
-                            android:fontFamily="@font/poppins" />
+                            android:text="J"
+                            android:textAlignment="center"
+                            android:textSize="20sp"
+                            android:layout_weight="1"/>
+
+                        <View
+                            android:layout_width="1dp"
+                            android:layout_height="match_parent"
+                            android:background="@android:color/black"/>
 
                         <TextView
-                            android:id="@+id/textview_friday"
-                            android:layout_width="70dp"
-                            android:layout_height="wrap_content"
-                            android:clickable="true"
-                            android:focusable="true"
-                            android:fontFamily="@font/poppins"
-                            android:onClick="onNewDayTextClick"
-                            android:tag="vendredi"
-                            android:text="Vendredi"
-                            android:textSize="15dp" />
-
-                        <CheckBox
-                            android:id="@+id/checkbox_saturday"
-                            android:layout_width="30dp"
-                            android:layout_height="wrap_content"
-                            android:buttonTint="@color/orange"
-                            android:fontFamily="@font/poppins" />
+                            android:text="V"
+                            android:textAlignment="center"
+                            android:textSize="20sp"
+                            android:layout_weight="1"/>
+
+                        <View
+                            android:layout_width="1dp"
+                            android:layout_height="match_parent"
+                            android:background="@android:color/black"/>
 
                         <TextView
-                            android:id="@+id/textview_saturday"
-                            android:layout_width="70dp"
-                            android:layout_height="wrap_content"
-                            android:clickable="true"
-                            android:focusable="true"
-                            android:fontFamily="@font/poppins"
-                            android:onClick="onNewDayTextClick"
-                            android:tag="samedi"
-                            android:text="Samedi"
-                            android:textSize="15dp" />
-
-                    </LinearLayout>
-
-                    <LinearLayout
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:orientation="horizontal">
+                            android:text="S"
+                            android:textAlignment="center"
+                            android:textSize="20sp"
+                            android:layout_weight="1"/>
 
-                        <CheckBox
-                            android:id="@+id/checkbox_sunday"
-                            android:layout_width="30dp"
-                            android:layout_height="wrap_content"
-                            android:buttonTint="@color/orange"
-                            android:fontFamily="@font/poppins" />
+                        <View
+                            android:layout_width="1dp"
+                            android:layout_height="match_parent"
+                            android:background="@android:color/black"/>
 
                         <TextView
-                            android:id="@+id/textview_sunday"
-                            android:layout_width="80dp"
-                            android:layout_height="wrap_content"
-                            android:clickable="true"
-                            android:focusable="true"
-                            android:fontFamily="@font/poppins"
-                            android:onClick="onNewDayTextClick"
-                            android:tag="dimanche"
-                            android:text="Dimanche"
-                            android:textSize="15dp" />
-
-                    </LinearLayout>
-
-                </LinearLayout>
+                            android:text="D"
+                            android:textAlignment="center"
+                            android:textSize="20sp"
+                            android:layout_weight="1"/>
+
+                    </TableRow>
+
+                </TableLayout>
+
+
             </LinearLayout>
         </RelativeLayout>
     </LinearLayout>