<?xml version="1.0" encoding="utf-8"?>

<LinearLayout android:id="@+id/MyLayout"
    android:layout_height="match_parent"
    android:layout_width="match_parent"
    android:background="@android:color/darker_gray"
    android:orientation="vertical"
    android:gravity="center_horizontal"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <Button
    android:id="@+id/LoadImage"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Load Image"
    android:onClick="Load_Image">
    </Button>

    <ImageView
        android:id="@+id/ImageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
    </ImageView>

</LinearLayout>