Android 下载mp4到File

概述//初始化privateFilevideoFile;privatevoidinit(){Stringroot=Environment.getExternalStorageDirectory().toString();videoFile=newFile(root+File.separator+"jbrVideo");if(!videoFile.exists()||!videoFile.isDirectory()){

//初始化private file vIDeofile;private voID init(){    String root = Environment.getExternalStorageDirectory().toString();    vIDeofile = new file(root + file.separator + "jbrVIDeo");    if (!vIDeofile.exists()|| !vIDeofile.isDirectory()){        vIDeofile.mkdirs();    }}//下载视频public voID saveVIDeoTofile(final List<String> List){    new Thread(){        @OverrIDe        public voID run() {            for (int i = 0; i < List.size(); i++) {                try {                    URL url = new URL(List.get(i));                    inputStream is = url.openStream();                    writeOs(is,i);                } catch (MalformedURLException e) {                } catch (IOException e) {                }            }        }    }.start();}

//将视频保存到本地private voID writeOs(inputStream is, int position){    OutputStream os = null;    try {        file file = new file(vIDeofile.getabsolutePath(), "vIDeo" + position + ".mp4");        TipUtil.log("file : " + file.toString());        os = new fileOutputStream(file);        byte buf[] = new byte[2*1024];        int read = 0;        while ((read = is.read(buf)) != -1){            os.write(buf,0,read);        }        os.flush();        os.close();        is.close();    } catch (fileNotFoundException e) {    } catch (IOException e) {    }}

//获取视频地址public  file[] getVIDeofiles(){    return vIDeofile.Listfiles();}

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