File list (Check if you may need any files):
MyGallery\.classpath
.........\.project
.........\.settings
.........\.........\org.eclipse.jdt.core.prefs
.........\AndroidManifest.xml
.........\assets
.........\bin
.........\...\classes.dex
.........\...\MyGallery.apk
.........\...\resources.ap_
.........\...\seker
.........\...\.....\mygallery
.........\...\.....\.........\MainActivity$1.class
.........\...\.....\.........\MainActivity$2.class
.........\...\.....\.........\MainActivity$3.class
.........\...\.....\.........\MainActivity.class
.........\...\.....\.........\R$attr.class
.........\...\.....\.........\R$color.class
.........\...\.....\.........\R$drawable.class
.........\...\.....\.........\R$id.class
.........\...\.....\.........\R$layout.class
.........\...\.....\.........\R$string.class
.........\...\.....\.........\R$style.class
.........\...\.....\.........\R$styleable.class
.........\...\.....\.........\R.class
.........\...\.....\.........\view
.........\...\.....\.........\....\GalleryAdapter.class
.........\...\.....\.........\....\GalleryChild.class
.........\...\.....\.........\....\MyAbsSpinner$RecycleBin.class
.........\...\.....\.........\....\MyAbsSpinner$SavedState$1.class
.........\...\.....\.........\....\MyAbsSpinner$SavedState.class
.........\...\.....\.........\....\MyAbsSpinner.class
.........\...\.....\.........\....\MyAdapterView$AdapterContextMenuInfo.class
.........\...\.....\.........\....\MyAdapterView$AdapterDataSetObserver.class
.........\...\.....\.........\....\MyAdapterView$OnItemClickListener.class
.........\...\.....\.........\....\MyAdapterView$OnItemLongClickListener.class
.........\...\.....\.........\....\MyAdapterView$OnItemSelectedListener.class
.........\...\.....\.........\....\MyAdapterView$SelectionNotifier.class
.........\...\.....\.........\....\MyAdapterView.class
.........\...\.....\.........\....\MyGallery$1.class
.........\...\.....\.........\....\MyGallery$2.class
.........\...\.....\.........\....\MyGallery$FlingRunnable.class
.........\...\.....\.........\....\MyGallery$LayoutParams.class
.........\...\.....\.........\....\MyGallery.class
.........\default.properties
.........\gen
.........\...\seker
.........\...\.....\mygallery
.........\...\.....\.........\R.java
.........\res
.........\...\color
.........\...\.....\bright_text_dark_focused.xml
.........\...\drawable-hdpi
.........\...\.............\btn_bg_selector.xml
.........\...\.............\focus.png
.........\...\.............\icon.png
.........\...\.............\icon_base.png
.........\...\.............\img00.png
.........\...\.............\img01.png
.........\...\.............\img02.png
.........\...\.............\img03.png
.........\...\.............\img04.png
.........\...\.............\img05.png
.........\...\.............\img06.png
.........\...\.............\img07.png
.........\...\.............\img08.png
.........\...\.............\popup.png
.........\...\drawable-ldpi
.........\...\.............\icon.png
.........\...\drawable-mdpi
.........\...\.............\icon.png
.........\...\layout
.........\...\......\gallerychild.xml
.........\...\......\gallerychild_box.xml
.........\...\......\main.xml
.........\...\values
.........\...\......\attrs.xml
.........\...\......\colors.xml
.........\...\......\strings.xml
.........\...\......\styles.xml
.........\src
.........\...\seker
.........\...\.....\mygallery
.........\...\.....\.........\MainActivity.java
.........\...\.....\.........\view
.........\...\.....\.........\....\GalleryAdapter.java
.........\...\.....\.........\....\GalleryChild.java
.........\...\.....\.........\....\MyAbsSpinner.java
.........\...\.....\.........\....\MyAdapterView.java
.........\...\.....\.........\....\MyGallery.java
教程说明见这里.txt