android/WALT/app/src/main/res/layout/fragment_diagnostics.xml

<LinearLayout 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:orientation="vertical"
    tools:context="org.chromium.latency.walt.DiagnosticsFragment">

    <!-- The whole list of options -->
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="3">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:orientation="vertical">

            <!-- Reconnect -->
            <LinearLayout
                style="@style/MenuItemStyle"
                android:onClick="onClickReconnect">

                <ImageView
                    style="@style/MenuIconStyle"
                    app:srcCompat="@drawable/ic_usb_black_24dp" />

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_vertical"
                    android:orientation="vertical">

                    <TextView
                        style="@style/MenuTextTop"
                        android:text="Reconnect" />

                    <TextView
                        android:visibility="gone"
                        style="@style/MenuTextBottom"
                        android:text="TBD: Conn status" />


                </LinearLayout>
            </LinearLayout>
            <!-- End of Reconnect -->

            <View style="@style/MenuDivider" />

            <!-- Ping -->
            <LinearLayout
                style="@style/MenuItemStyle"
                android:onClick="onClickPing">

                <ImageView
                    style="@style/MenuIconStyle"
                    app:srcCompat="@drawable/ic_swap_horiz_black_24dp" />

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_vertical"
                    android:orientation="vertical">

                    <TextView
                        style="@style/MenuTextTop"
                        android:text="Ping" />

                    <TextView
                        style="@style/MenuTextBottom"
                        android:text="Ping over USB with 1 byte" />


                </LinearLayout>
            </LinearLayout>
            <!-- End of Ping -->

            <View style="@style/MenuDivider" />

            <!-- ReSync -->
            <LinearLayout
                style="@style/MenuItemStyle"
                android:onClick="onClickSync">

                <ImageView
                    style="@style/MenuIconStyle"
                    app:srcCompat="@drawable/ic_schedule_black_24dp" />

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_vertical"
                    android:orientation="vertical">

                    <TextView
                        style="@style/MenuTextTop"
                        android:text="Re-sync clocks" />

                </LinearLayout>
            </LinearLayout>
            <!-- End of ReSync -->

            <View style="@style/MenuDivider" />

            <!-- CheckDrift -->
            <LinearLayout
                style="@style/MenuItemStyle"
                android:onClick="onClickCheckDrift">

                <ImageView
                    style="@style/MenuIconStyle"
                    app:srcCompat="@drawable/ic_timelapse_black_24dp" />

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_vertical"
                    android:orientation="vertical">

                    <TextView
                        style="@style/MenuTextTop"
                        android:text="Check clock drift" />

                    <TextView
                        style="@style/MenuTextBottom"
                        android:text="Check how much clocks diverged" />


                </LinearLayout>
            </LinearLayout>
            <!-- End of CheckDrift -->

            <View style="@style/MenuDivider" />

            <!-- Program -->
            <LinearLayout
                style="@style/MenuItemStyle"
                android:onClick="onClickProgram">

                <ImageView
                    style="@style/MenuIconStyle"
                    app:srcCompat="@drawable/ic_system_update_alt_black_24dp" />

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_vertical"
                    android:orientation="vertical">

                    <TextView
                        style="@style/MenuTextTop"
                        android:text="Update WALT Firmware" />

                    <TextView
                        style="@style/MenuTextBottom"
                        android:text="Please press the button on the Teensy first" />


                </LinearLayout>
            </LinearLayout>
            <!-- Program -->

            <!--<View style="@style/MenuDivider" />-->

            <!-- Send T TODO: replace with send any char, it says nothing on the log, broadcast? -->
            <!--
            <LinearLayout
                style="@style/MenuItemStyle"
                android:onClick="onClickSendT">

                <ImageView
                    style="@style/MenuIconStyle"
                    android:src="@drawable/ic_swap_horiz_black_24dp" />

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_vertical"
                    android:orientation="vertical">

                    <TextView
                        style="@style/MenuTextTop"
                        android:text="Send 'T'" />

                    <TextView
                        style="@style/MenuTextBottom"
                        android:text="..." />


                </LinearLayout>
            </LinearLayout>
            -->
            <!-- End of Send T -->
        </LinearLayout>
    </ScrollView>

    <TextView
        android:id="@+id/txt_log_diag"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="2"
        android:background="#BBBBBB"
        android:gravity="bottom"
        android:scrollbars="vertical" />

</LinearLayout>