AndroidAPS/wear/src/main/res/layout/rect_activity_home_2.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" tools:context=".watchfaces.Home2" tools:deviceIds="wear_square"
    android:background="@color/black"
    android:id="@+id/main_layout">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:textAlignment="center"
        android:weightSum="1">

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="0px"
            android:layout_gravity="center_horizontal"
            android:layout_weight="0.27"
            android:gravity="center_horizontal"
            android:orientation="horizontal"
            android:textAlignment="center">

            <TextView
                android:id="@+id/loop"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="bottom|center"
                android:background="@drawable/loop_grey_25"
                android:gravity="center"
                android:text="--'"
                android:textAlignment="center"
                android:textColor="#FFFFFF"
                android:textSize="14sp"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/sgv"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal|bottom"
                android:layout_marginBottom="-2dp"
                android:gravity="bottom|right"
                android:paddingLeft="5dp"
                android:paddingRight="5dp"
                android:paddingTop="-2dp"
                android:text="---"
                android:textColor="#FFFFFF"
                android:textSize="38sp" />

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="fill_parent"
                android:layout_gravity="center_horizontal"
                android:baselineAligned="false"
                android:gravity="center_vertical"
                android:orientation="vertical"
                android:textAlignment="center">

                <TextView
                    android:id="@+id/direction"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_horizontal|bottom"
                    android:gravity="center_horizontal|bottom"
                    android:text="--"
                    android:textAlignment="center"
                    android:textColor="#FFFFFF"
                    android:textSize="22sp"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/timestamp"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="2dp"
                    android:gravity="center"
                    android:text="--'"
                    android:textColor="#FFFFFF"
                    android:textSize="14sp"
                    android:textStyle="bold" />

            </LinearLayout>

        </LinearLayout>

        <LinearLayout
            android:id="@+id/secondary_layout"
            android:layout_width="fill_parent"
            android:layout_height="0px"
            android:layout_gravity="center"
            android:layout_weight="0.10"
            android:background="@color/light_grey"
            android:gravity="center"
            android:orientation="vertical"
            android:padding="1dp">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:orientation="horizontal"
                android:paddingEnd="2dp"
                android:paddingStart="2dp"
                android:textAlignment="center">

                <TextView
                    android:id="@+id/delta"
                    android:layout_width="0px"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:text="+/-"
                    android:textAlignment="center"
                    android:textColor="#000000"
                    android:textSize="12sp"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/avgdelta"
                    android:layout_width="0px"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:text="avg"
                    android:textAlignment="center"
                    android:textColor="#000000"
                    android:textSize="12sp"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/uploader_battery"
                    android:layout_width="0px"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:text="--%"
                    android:textAlignment="center"
                    android:textColor="#000000"
                    android:textSize="12sp"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/rig_battery"
                    android:layout_width="0px"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:text="--%"
                    android:textAlignment="center"
                    android:textColor="#000000"
                    android:textSize="12sp"
                    android:textStyle="bold"
                    android:visibility="gone" />

                <TextView
                    android:id="@+id/tmpBasal"
                    android:layout_width="0px"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:layout_weight="1.7"
                    android:gravity="center"
                    android:text="-.--U/h"
                    android:textAlignment="center"
                    android:textColor="#000000"
                    android:textSize="12sp"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/bgiView"
                    android:layout_width="0px"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:text="bgi"
                    android:textAlignment="center"
                    android:textColor="#000000"
                    android:textSize="12sp"
                    android:textStyle="bold"
                    android:visibility="gone" />

                <TextView
                    android:id="@+id/AAPSv2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="0"
                    android:text=""
                    android:visibility="gone" />

            </LinearLayout>

        </LinearLayout>

        <LinearLayout
            android:id="@+id/tertiary_layout"
            android:layout_width="match_parent"
            android:layout_height="0px"
            android:layout_weight="0.22"
            android:background="@color/black"
            android:gravity="center"
            android:orientation="vertical"
            android:padding="1dp">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_gravity="center"
                android:baselineAligned="false"
                android:gravity="center"
                android:orientation="horizontal"
                android:weightSum="7">

                <LinearLayout
                    android:layout_width="0px"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:orientation="horizontal"></LinearLayout>

                <LinearLayout
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:layout_gravity="center"
                    android:baselineAligned="false"
                    android:gravity="center"
                    android:orientation="vertical"
                    android:textAlignment="center">

                    <TextView
                        android:id="@+id/cob_text"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:text="Carb"
                        android:textColor="#FFFFFF"
                        android:textSize="10sp"
                        android:textStyle="bold" />

                    <TextView
                        android:id="@+id/cobView"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:text="--g"
                        android:textAlignment="center"
                        android:textColor="#FFFFFF"
                        android:textSize="14sp"
                        android:textStyle="bold" />

                </LinearLayout>

                <LinearLayout
                    android:layout_width="0px"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:orientation="horizontal"></LinearLayout>

                <TextView
                    android:id="@+id/watch_time"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:gravity="center"
                    android:text="12:00"
                    android:textAlignment="center"
                    android:textColor="#FFFFFF"
                    android:textSize="26sp" />

                <LinearLayout
                    android:id="@+id/date_time"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:layout_gravity="center"
                    android:gravity="center"
                    android:orientation="vertical"
                    android:textAlignment="center"
                    android:visibility="gone">

                    <TextView
                        android:id="@+id/day"
                        android:layout_width="23dp"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:text="day"
                        android:textAlignment="center"
                        android:textColor="#FFFFFF"
                        android:textSize="10sp" />

                    <TextView
                        android:id="@+id/month"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:text="mth"
                        android:textColor="#FFFFFF"
                        android:textSize="10sp" />

                </LinearLayout>

                <LinearLayout
                    android:layout_width="0px"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:orientation="horizontal"></LinearLayout>

                <LinearLayout
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:layout_gravity="center"
                    android:gravity="center"
                    android:orientation="vertical"
                    android:textAlignment="center">


                    <TextView
                        android:id="@+id/iob_text"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:text="IOB"
                        android:textAlignment="center"
                        android:textColor="#FFFFFF"
                        android:textSize="10sp"
                        android:textStyle="bold" />

                    <TextView
                        android:id="@+id/iobView"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:text="--U"
                        android:textColor="#FFFFFF"
                        android:textSize="14sp"
                        android:textStyle="bold" />

                </LinearLayout>

                <LinearLayout
                    android:layout_width="0px"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:orientation="horizontal"></LinearLayout>

            </LinearLayout>

        </LinearLayout>

        <lecho.lib.hellocharts.view.LineChartView
            android:id="@+id/chart"
            android:layout_width="match_parent"
            android:layout_height="0px"
            android:layout_gravity="bottom"
            android:layout_weight="0.41"
            android:gravity="center_horizontal|top" />

    </LinearLayout>

</RelativeLayout>