enlargen self video screen

@@ -18,8 +18,8 @@
         app:layout_constraintTop_toBottomOf="@id/tabs" />
         app:layout_constraintTop_toBottomOf="@id/tabs" />
 
 
     <androidx.constraintlayout.widget.ConstraintLayout
     <androidx.constraintlayout.widget.ConstraintLayout
-        android:layout_height="144dp"
-        android:layout_width="144dp"
+        android:layout_width="200dp"
+        android:layout_height="200dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent">
         app:layout_constraintEnd_toEndOf="parent">
 
 
@@ -40,8 +40,8 @@
 
 
             <ImageButton
             <ImageButton
                 android:id="@+id/mic_button"
                 android:id="@+id/mic_button"
-                android:layout_width="32dp"
-                android:layout_height="32dp"
+                android:layout_width="48dp"
+                android:layout_height="48dp"
                 android:src="@drawable/ic_round_mic_24" />
                 android:src="@drawable/ic_round_mic_24" />
 
 
             <Space
             <Space
@@ -50,8 +50,8 @@
 
 
             <ImageButton
             <ImageButton
                 android:id="@+id/video_button"
                 android:id="@+id/video_button"
-                android:layout_width="32dp"
-                android:layout_height="32dp"
+                android:layout_width="48dp"
+                android:layout_height="48dp"
                 android:src="@drawable/ic_round_videocam_24" />
                 android:src="@drawable/ic_round_videocam_24" />
 
 
         </LinearLayout>
         </LinearLayout>