office-gobmx/android/source/res/layout/number_picker.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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:padding="15dp"
    android:id="@+id/numberpickerLayout">

    <TextView
        android:id="@+id/textView11"
        android:layout_width="wrap_content"
        android:layout_height="30dp"
        android:layout_marginStart="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="8dp"
        android:text="Rows:"
        android:gravity="center"
        android:textSize="18sp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/number_picker_rows_positive"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_marginEnd="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginTop="8dp"
        android:background="@drawable/image_button_background"
        android:clickable="true"
        android:gravity="center"
        android:text="+"
        android:textSize="18sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="@+id/numberpickerLayout"
        app:layout_constraintTop_toTopOf="@+id/numberpickerLayout" />

    <TextView
        android:id="@+id/number_picker_row_count"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:text="3"
        android:gravity="center"
        android:textSize="18sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toStartOf="@+id/number_picker_rows_positive"
        app:layout_constraintStart_toEndOf="@+id/number_picker_rows_negative"
        app:layout_constraintTop_toTopOf="@+id/numberpickerLayout" />

    <TextView
        android:id="@+id/number_picker_rows_negative"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:text="-"
        android:gravity="center"
        android:textSize="18sp"
        android:textStyle="bold"
        android:clickable="true"
        android:background="@drawable/image_button_background"
        app:layout_constraintEnd_toEndOf="@+id/numberpickerLayout"
        app:layout_constraintStart_toStartOf="@+id/numberpickerLayout"
        app:layout_constraintTop_toTopOf="@+id/numberpickerLayout" />

    <TextView
        android:id="@+id/textView12"
        android:layout_width="wrap_content"
        android:layout_height="30dp"
        android:layout_marginStart="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="24dp"
        android:text="Columns:"
        android:gravity="center"
        android:textSize="18sp"
        app:layout_constraintStart_toStartOf="@+id/numberpickerLayout"
        app:layout_constraintTop_toBottomOf="@+id/textView11" />

    <TextView
        android:id="@+id/number_picker_cols_negative"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="24dp"
        android:text="-"
        android:gravity="center"
        android:textSize="18sp"
        android:textStyle="bold"
        android:background="@drawable/image_button_background"
        android:clickable="true"
        app:layout_constraintEnd_toEndOf="@+id/numberpickerLayout"
        app:layout_constraintStart_toStartOf="@+id/numberpickerLayout"
        app:layout_constraintTop_toBottomOf="@+id/number_picker_rows_negative" />

    <TextView
        android:id="@+id/number_picker_col_count"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="24dp"
        android:gravity="center"
        android:text="3"
        android:textSize="18sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toStartOf="@+id/number_picker_cols_positive"
        app:layout_constraintStart_toEndOf="@+id/number_picker_cols_negative"
        app:layout_constraintTop_toBottomOf="@+id/number_picker_row_count" />

    <TextView
        android:id="@+id/number_picker_cols_positive"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_marginEnd="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginTop="24dp"
        android:text="+"
        android:gravity="center"
        android:textSize="18sp"
        android:textStyle="bold"
        android:clickable="true"
        android:background="@drawable/image_button_background"
        app:layout_constraintEnd_toEndOf="@+id/numberpickerLayout"
        app:layout_constraintTop_toBottomOf="@+id/number_picker_rows_positive" />
</android.support.constraint.ConstraintLayout>