Mgt相关资料查询

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drag and drop
  http://developer.android.com/guide/topics/ui/drag-drop.html
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gridview item drag and drop
http://blahti.wordpress.com/

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http://www.vogella.com/articles/AndroidDragAndDrop/article.html
http://www.verious.com/board/Giancarlo-Leonio/implementing-drag-and-drop-in-android/
http://fupeg.blogspot.com/2011/03/honeycomb-drag-and-drop-basics.html
http://developer.android.com/guide/topics/ui/drag-drop.html
http://techdroid.kbeanie.com/2010/04/simple-drag-n-drop-on-android.html
http://developer.android.com/reference/android/animation/LayoutTransition.html
http://www.cnblogs.com/lee0oo0/archive/2012/12/20/2826374.html
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gridview multiple choice
http://blog.chengyunfeng.com/?p=220
http://ranfeng0610.blog.163.com/blog/static/185708284201231835648113/
http://blog.csdn.net/zhouyuanjing/article/details/8372686
http://blog.csdn.net/zhouyuanjing/article/details/8372686
http://www.haogongju.net/art/56511
http://stackoverflow.com/questions/1191379/multiple-selectable-gridview
http://vikaskanani.wordpress.com/2011/07/20/android-custom-image-gallery-with-checkbox-in-grid-to-select-multiple/

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define checkbox
http://www.anddev.org/tutorial_change_look_of_checkbox-t4553.html
http://stackoverflow.com/questions/3965484/custom-checkbox-image-android

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checkable
http://www.java2s.com/Code/Android/UI/ThisdemoillustratestheuseofCHOICEMODEMULTIPLEMODALakaselectionmodeonGridView.htm
If you have a ListView or a GridView and if their rows contain a CheckBox, don't forget to set the following attributes to those CheckBoxes:
android:focusable="false"
android:focusableInTouchMode="false"