App.java 文件源码

private void initPicasso() {
  File cacheDirectory = new File(getCacheDir().getAbsolutePath(), "OKHttpCache");

  OkHttpClient okHttpClient = new OkHttpClient();
  okHttpClient.setCache(new Cache(cacheDirectory, Integer.MAX_VALUE));

  /** Dangerous interceptor that rewrites the server's cache-control header. */
  okHttpClient.networkInterceptors().add(new Interceptor() {
    @Override public Response intercept(Chain chain) throws IOException {
      Response originalResponse = chain.proceed(chain.request());
      return originalResponse.newBuilder()
          .header("Cache-Control", "public, max-age=432000")
          .header("Pragma", "")
          .build();
    }
  });

  OkHttpDownloader okHttpDownloader = new OkHttpDownloader(okHttpClient);

  Picasso.Builder builder = new Picasso.Builder(this);
  builder.downloader(okHttpDownloader);

  Picasso picasso = builder.build();
  //picasso.setIndicatorsEnabled(true);
  //picasso.setLoggingEnabled(true);
  Picasso.setSingletonInstance(picasso);
}