一个用于下载的android库：android-downloader

一个用于下载的android库。

主要特性如下：

1、使用简单，最少只需要下载地址即可；

2、可以猜测下载任务名称

3、自动设置下载路径

4、支持断点续传

5、所有监听返回的接口，例如onAdd等，都支持UI操作

DownloadManager downloadManager = new DownloadManager(this);    DownloadTask task = new DownloadTask(this);  task.setUrl("https://github.com/snowdream/android-autoupdate/raw/master/docs/test/android-autoupdater-v0.0.2-release.apk");    downloadManager.add(task, listener); //Add the task  downloadManager.start(task, listener); //Start the task  downloadManager.stop(task, listener); //Stop the task if you exit your APP.    private DownloadListener listener = new DownloadListener<Integer, DownloadTask>() {      /**       * The download task has been added to the sqlite.       * <p/>       * operation of UI allowed.       *       * @param downloadTask the download task which has been added to the sqlite.       */      @Override      public void onAdd(DownloadTask downloadTask) {          super.onAdd(downloadTask);          Log.i("onAdd()");          list.add(downloadTask);          Log.i(""+downloadTask);          adapter.notifyDataSetChanged();      }        /**       * The download task has been delete from the sqlite       * <p/>       * operation of UI allowed.       *       * @param downloadTask the download task which has been deleted to the sqlite.       */      @Override      public void onDelete(DownloadTask downloadTask) {          super.onDelete(downloadTask);          Log.i("onDelete()");      }        /**       * The download task is stop       * <p/>       * operation of UI allowed.       *       * @param downloadTask the download task which has been stopped.       */      @Override      public void onStop(DownloadTask downloadTask) {          super.onStop(downloadTask);          Log.i("onStop()");      }        /**       * Runs on the UI thread before doInBackground(Params...).       */      @Override      public void onStart() {          super.onStart();          Log.i("onStart()");      }        /**       * Runs on the UI thread after publishProgress(Progress...) is invoked. The       * specified values are the values passed to publishProgress(Progress...).       *       * @param values The values indicating progress.       */      @Override      public void onProgressUpdate(Integer... values) {          super.onProgressUpdate(values);          ((DownloadTaskAdapter) getListAdapter()).notifyDataSetChanged();          Log.i("onProgressUpdate");      }        /**       * Runs on the UI thread after doInBackground(Params...). The specified       * result is the value returned by doInBackground(Params...). This method       * won't be invoked if the task was cancelled.       *       * @param downloadTask The result of the operation computed by       *                     doInBackground(Params...).       */      @Override      public void onSuccess(DownloadTask downloadTask) {          super.onSuccess(downloadTask);          Log.i("onSuccess()");      }        /**       * Applications should preferably override onCancelled(Object). This method       * is invoked by the default implementation of onCancelled(Object). Runs on       * the UI thread after cancel(boolean) is invoked and       * doInBackground(Object[]) has finished.       */      @Override      public void onCancelled() {          super.onCancelled();          Log.i("onCancelled()");      }        @Override      public void onError(Throwable thr) {          super.onError(thr);          Log.i("onError()");      }        /**       * Runs on the UI thread after doInBackground(Params...) when the task is       * finished or cancelled.       */      @Override      public void onFinish() {          super.onFinish();          Log.i("onFinish()");      }  };

下载：

下载最新的jar

或者通过maven

   com.github.snowdream.android.app   downloader   1.0 

或者通过gradle

compile 'com.github.snowdream.android.app:downloader:1.0'

项目主页：http://www.open-open.com/lib/view/home/1389106104812