Android代码-Fetch

Overview Fetch is a simple, powerful, customizable file download manager library for Android. Features Simple and easy to use API. Continuous downloading in the background. Concurrent downloading support. Ability to pause and resume downloads. Set the priority of a download. Network specific downloading support. Ability to retry failed downloads. Ability to group downloads. Easy progress and status tracking. Download remaining time reporting (ETA). Download speed reporting. Save and Retrieve d