res/layout/mediapicker_panel.xml

<?xml version="1.0" encoding="utf-8"?>
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<com.android.gallery3d.filtershow.mediapicker.MediaPicker
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:id="@+id/mediapicker_slidestrip"
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:gravity="bottom|center"
        android:orientation="horizontal"
        android:background="#00000000" >
        <ImageButton
            android:id="@+id/arrow"
            android:layout_width="60dp"
            android:layout_height="30dp"
            android:layout_alignParentBottom="true"
            android:src="@drawable/arrow"
            android:background="#00000000" />
    </LinearLayout>

    <com.android.photos.views.HeaderGridView
        android:id="@+id/grid"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:cacheColorHint="@android:color/transparent"
        android:columnWidth="@dimen/picker_photo_size"
        android:drawSelectorOnTop="true"
        android:fadingEdge="none"
        android:gravity="center"
        android:horizontalSpacing="@dimen/picker_photo_spacing"
        android:listSelector="@android:color/transparent"
        android:numColumns="auto_fit"
        android:paddingLeft="5dp"
        android:paddingRight="5dp"
        android:scrollbars="none"
        android:stretchMode="columnWidth"
        android:verticalSpacing="@dimen/picker_photo_spacing"/>

    <LinearLayout
        android:id="@+id/mediapicker_tabstrip"
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:orientation="horizontal"
        android:background="#c0000000" >
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">
            <ImageButton
                android:id="@+id/btn_no"
                android:layout_width="60dp"
                android:layout_height="60dp"
                android:layout_centerVertical="true"
                android:layout_alignParentLeft="true"
                android:src="@drawable/cancel"
                android:background="#00000000" />
            <ImageButton
                android:id="@+id/btn_yes"
                android:layout_width="60dp"
                android:layout_height="60dp"
                android:layout_centerVertical="true"
                android:layout_alignParentRight="true"
                android:src="@drawable/done"
                android:background="#00000000" />
        </RelativeLayout>
    </LinearLayout>

</com.android.gallery3d.filtershow.mediapicker.MediaPicker>