imageview+handler+gridview+上拉下拉.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.handmark.pulltorefresh.library.PullToRefreshScrollView
        xmlns:ptr="http://schemas.android.com/apk/res-auto"
        android:id="@+id/refresh_scroll_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        ptr:ptrAnimationStyle="flip"
        ptr:ptrDrawable="@drawable/default_ptr_flip"
        ptr:ptrHeaderBackground="#383838"
        ptr:ptrHeaderTextColor="#FFFFFF"
        >
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">
    <ImageView
        android:id="@+id/imageview"
        android:scaleType="fitXY"
        android:layout_width="match_parent"
        android:layout_height="160dp" />
    <GridView
        android:id="@+id/gridview"
        android:numColumns="2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></GridView>
        </LinearLayout>
    </com.handmark.pulltorefresh.library.PullToRefreshScrollView>
</LinearLayout>