redesign ui

Author: QZLin

app/src/main/res/layout/activity_controls.xml

@@ -59,7 +59,7 @@
         app:layout_constraintTop_toBottomOf="@+id/serverPortEditText" />
 
     <androidx.constraintlayout.widget.ConstraintLayout
-        android:layout_width="200dp"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="128dp"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -74,12 +74,14 @@
             android:layout_gravity="bottom"
             android:layout_marginStart="16dp"
             android:layout_marginTop="16dp"
+            android:layout_marginEnd="16dp"
             android:layout_marginBottom="16dp"
             android:foreground="?android:attr/selectableItemBackground"
             android:src="@drawable/ic_power_settings_new_white_24dp"
             app:backgroundTint="@android:color/holo_red_dark"
             app:fabSize="normal"
             app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
@@ -88,6 +90,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="bottom"
+            android:layout_marginStart="16dp"
             android:layout_marginTop="16dp"
             android:layout_marginEnd="16dp"
             android:layout_marginBottom="16dp"
@@ -97,6 +100,7 @@
             app:fabSize="normal"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
     </androidx.constraintlayout.widget.ConstraintLayout>