implementation 'com.danikula:videocache:2.7.0' //包

MyApplication 中：

//音视频缓存框架 private HttpProxyCacheServer proxy;

public static HttpProxyCacheServer getProxy(Context context) {
      MyApplication app = (MyApplication) context.getApplicationContext();     return app.proxy == null ? (app.proxy = app.newProxy()) : app.proxy; } private HttpProxyCacheServer newProxy() {
      return new HttpProxyCacheServer(this); }

mainactivity:

//设置视频播放路径 HttpProxyCacheServer proxy =MyApplication.getProxy(getApplication()); String proxyUrl = proxy.getProxyUrl(spp.get(videostart++));