RetrofitDownloadWithProgress

show how to use retrofit download file with progress

how to use:

1. clone the library and include it to your project

2. set okHttpClick(optional)

   if you want to set yourself okHttpClick, use following config

   DownloadUtil.getInstance().initConfig(OkHttpClient.Builder);
   

3. invoke

   DownloadUtil.getInstance()
           .downloadFile(new InputParameter.Builder(baseUrl, relativeUrl, downloadedFilePath)
                   .setCallbackOnUiThread(true)
                   .build(), new DownloadListener() {
                   
               @Override
               public void onFinish(final File file) {
                   //you can let this callback run on UI thread by setCallbackOnUiThread(true) in inputParameter
               }
   
               @Override
               public void onProgress(int progress, long downloadedLengthKb, long totalLengthKb) {
                   tvProgress.setText(String.format("文件文件下载进度：%d%s \n\n已下载:%sKB | 总长:%sKB", progress,"%", downloadedLengthKb + "", totalLengthKb + ""));
               }
   
               @Override
               public void onFailed(String errMsg) {
                   //you can let this callback run on UI thread by setCallbackOnUiThread(true) in inputParameter
               }
           });
   

   note: The onFinish() and onFailed() methods of downloadListener are run on the non-ui thread by default, you can change it by setCallbackOnUiThread(true) of inputParameter

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