MainActivity.java 文件源码

/**
 * Invalidates both HttpResponseCache and Volley cache
 * @param view
 */
public void invalidateCache(View view) {

    mRequestQueue.getCache().clear();
    try {
        HttpResponseCache cache = HttpResponseCache.getInstalled();
        if(cache != null) cache.delete();
    } catch (IOException e) {
        e.printStackTrace();
    }
    Toast.makeText(this, "Cache is now empty", Toast.LENGTH_SHORT).show();

}