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XDownload
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多线程下载，断点续传，多情况回调终极依赖库
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XDownload
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# XDownload 多线程下载，断点续传，多情况回调终极依赖库 ## 先说说原理吧 ### 线程处理  #### 一共分三个线程下载，获取文件总大小后计算每个线程下载的大小和开始结束位置，最后一段结束位置为文件总大小。 #### 再看看UML代码结构  ## 使用 ### step1 ```java allprojects { repositories { ... maven { url 'https://www.jitpack.io' } } } dependencies { compile 'com.github.shuaijia:XDownload:alpha1.0' } ``` ### step2 #### 该添权限添权限，不解释 ```java <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.INTERNET"/> ``` ### step3 #### 创建下载对象 ```java XDownload download = new XDownload(); ``` ### step4 #### 开始下载，处理回调 ```java download.download(context, "DOWNLOAD_URL", "SAVE_FILE_PATH", new DownloadListener() { @Override public void onPreDownload(HttpURLConnection connection) { Log.e(TAG, "onPreDownload: 准备好"); } @Override public void onStart() { Log.e(TAG, "onStart: 开始下载"); } @Override public void onProgress(int progress) { Log.e(TAG, "onProgress: 下载进度" + progress); } @Override public void onStop(long stopLocation) { Log.e(TAG, "onStop: 暂停下载" + stopLocation); } @Override public void onResume(long resumeLocation) { Log.e(TAG, "onResume: 恢复下载" + resumeLocation); } @Override public void onComplete() { Log.e(TAG, "onComplete: 下载完成"); } @Override public void onCancel() { Log.e(TAG, "onCancel: 取消下载"); } @Override public void onFail(int errorCode) { Log.e(TAG, "onFail: 下载失败"); } }); ``` ### 此外，你还可以取消下载和暂停下载 ```java download.stopDownload(true); download.cancelDownload(true); ``` ### 欢迎骚扰哦 819418850@qq.com 更多精彩内容，请关注我的微信公众号——Android机动车 
