Haasoscope

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:keepScreenOn="true"
    android:padding="5dp"
    tools:context="com.felhr.serialportexample.MainActivity">

    <!--android:layout_height="160dp" for debugging-->
    <TextView
        android:id="@+id/textView1"
        android:layout_width="match_parent"
        android:layout_height="75dp"
        android:layout_centerHorizontal="true"
        android:background="#FFFFFF"
        android:gravity="bottom"
        android:scrollbars="vertical" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="95dp"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView1"
        android:layout_marginEnd="10dp"
        android:layout_marginRight="10dp"
        android:ems="10"
        android:hint="@string/command"
        android:inputType="text">

        <requestFocus />
    </EditText>

    <Button
        android:id="@+id/buttonSend"
        android:layout_width="80dp"
        android:layout_height="40dp"
        android:layout_below="@+id/textView1"
        android:layout_toEndOf="@+id/editText1"
        android:layout_toRightOf="@+id/editText1"
        android:text="@string/send" />

    <com.jjoe64.graphview.GraphView
        android:id="@+id/graph"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/editText1"
        android:layout_above="@id/button_share"
        android:background="@android:color/white" />

    <ImageButton
        android:id="@+id/button_share"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentEnd="true"
        android:contentDescription="@string/share"
        app:srcCompat="@android:drawable/ic_menu_share"
        android:layout_alignParentRight="true" />

    <ImageButton
        android:id="@+id/button_down"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_below="@+id/textView1"
        android:layout_marginEnd="12dp"
        app:srcCompat="@android:drawable/arrow_down_float"
        android:layout_alignParentRight="true"
        android:layout_marginRight="12dp"
        android:contentDescription="@string/button_up" />

    <ImageButton
        android:id="@+id/button_up"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView1"
        android:layout_toLeftOf="@+id/button_down"
        android:layout_toStartOf="@+id/button_down"
        android:contentDescription="@string/button_down"
        app:srcCompat="@android:drawable/arrow_up_float" />

    <ImageButton
        android:id="@+id/button_pause"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_below="@+id/textView1"
        android:layout_toLeftOf="@+id/button_up"
        android:layout_toStartOf="@+id/button_up"
        app:srcCompat="@android:drawable/ic_media_pause"
        android:contentDescription="@string/pause" />

    <ToggleButton
        android:id="@+id/toggle_selectchan"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_below="@+id/textView1"
        android:layout_toLeftOf="@+id/button_pause"
        android:layout_toStartOf="@+id/button_pause"
        android:text="@string/_1" />

</RelativeLayout>