ScrollView动态添加组件

main.xml代码以下：

<?xml version="1.0" encoding="utf-8"?>
<ScrollView 
    xmlns:android="https://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:id="@+id/myscroll"
    >
<LinearLayout
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:id="@+id/mylinear" >

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