摘要： http://developer.android.com/guide/components/processes-and-threads.html提到的AsyncTask退出范例：http://code.google.com/p/shelves/source/checkoutsvn checkout http://shelves.googlecode.com/svn/trunk/ shelves-read-onlyThreads When an application is launched, the system creates a thread of execution for the a. 阅读全文