Bluetooth module | #2

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#454545">

    <androidx.cardview.widget.CardView
        android:id="@+id/cardView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="3dp"
        android:layout_marginTop="3dp"
        android:layout_marginEnd="3dp"
        android:backgroundTint="#191919"
        app:cardCornerRadius="6dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:orientation="horizontal">

            <TextView
                android:id="@+id/tvPaired"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="9dp"
                android:layout_marginEnd="16dp"
                android:layout_marginBottom="9dp"
                android:text="@string/paired_devices"
                android:textColor="@color/blue" />

            <ImageButton
                android:id="@+id/imBluetoothOn"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@null"
                app:srcCompat="@drawable/ic_bluetooth_on" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>

    <androidx.cardview.widget.CardView
        android:id="@+id/cardView2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="3dp"
        android:layout_marginEnd="3dp"
        android:backgroundTint="#191919"
        app:cardCornerRadius="6dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/guideline2">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:orientation="horizontal">

            <TextView
                android:id="@+id/tvSearch"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="9dp"
                android:layout_marginEnd="16dp"
                android:layout_marginBottom="9dp"
                android:text="@string/search_devices"
                android:textColor="@color/blue" />

            <ImageButton
                android:id="@+id/imBluetoothSearch"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@null"
                app:srcCompat="@drawable/ic_search" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.5" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rcViewPaired"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginTop="3dp"
        android:layout_marginBottom="3dp"
        app:layout_constraintBottom_toTopOf="@+id/guideline2"
        app:layout_constraintEnd_toEndOf="@+id/cardView"
        app:layout_constraintStart_toStartOf="@+id/cardView"
        app:layout_constraintTop_toBottomOf="@+id/cardView" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rcViewSearch"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginTop="3dp"
        android:layout_marginBottom="3dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="@+id/cardView2"
        app:layout_constraintStart_toStartOf="@+id/cardView2"
        app:layout_constraintTop_toBottomOf="@+id/cardView2" />

    <TextView
        android:id="@+id/tvEmptyPaired"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/empty"
        android:textColor="@color/white_dark"
        android:textStyle="italic"
        app:layout_constraintBottom_toTopOf="@+id/cardView2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/cardView" />

    <TextView
        android:id="@+id/tvEmptySearch"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/empty"
        android:textColor="@color/white_dark"
        android:textStyle="italic"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/cardView2" />
</androidx.constraintlayout.widget.ConstraintLayout>