XML demo

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/bg"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_margin="30dp"
        android:gravity="center_horizontal"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <ImageView
            android:id="@+id/imageView1"
            android:layout_width="200dp"
            android:layout_height="180dp"
            android:src="@drawable/truyen" />

        <Button
            android:id="@+id/button1"
            android:layout_width="96dp"
            android:layout_height="32dp"
            android:background="@drawable/bt"
            android:layout_marginTop="25dp"
            android:paddingLeft="5dp"
            android:paddingRight="5dp"
            android:textColor="#FF0404"
            android:text="Read" />
    </LinearLayout>

</LinearLayout>