这里以post请求说明,get请求相似设置请求头及超时。
1.自定义request,继承com.android.volley.Request
2.构造方法实现(basecallback,为自定义的监听,实现Response.Listener,ErrorListener接口)--post请求
-
public BaseRequest(String url,String params, BaseCallback<T> callback)
-
{
-
super(Method.POST, url, callback);
-
this.callback = callback;
-
this.params = params;
-
Log.e(TAG, "request:" + params);
-
setShouldCache(false);
-
}
3.请求头设置:重写getHeaders方法
-
@Override
-
public Map<String, String> getHeaders() throws AuthFailureError
-
{
-
Map<String, String> headers = new HashMap<String, String>();
-
headers.put("Charset", "UTF-8");
-
headers.put("Content-Type", "application/x-javascript");
-
headers.put("Accept-Encoding", "gzip,deflate");
-
return headers;
-
}
设置字符集为UTF-8,并采用gzip压缩传输
4.超时设置:重写getRetryPolicy方法
-
@Override
-
public RetryPolicy getRetryPolicy()
-
{
-
RetryPolicy retryPolicy = new DefaultRetryPolicy(SOCKET_TIMEOUT, DefaultRetryPolicy.DEFAULT_MAX_RETRIES, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT);
-
return retryPolicy;
-
}
5.请求参数组装:重写getBody方法
-
@Override
-
public byte[] getBody() throws AuthFailureError
-
{
-
return params == null ? super.getBody() : params.getBytes();
-
}
结合上一篇gzip响应解析数据即可实现现在常见的http实现json数据的gzip传输
转载:http://blog.youkuaiyun.com/hpb21/article/details/12163371