this code error:
04-02 03:01:52.552: I/params(421): [name=aad, category_id=0]
04-02 03:01:52.552: E/Log(421): Failed to download result..
04-02 03:01:52.552: W/System.err(421): org.json.JSONException: End of input at character 0 of
04-02 03:01:52.552: W/System.err(421): at org.json.JSONTokener.syntaxError(JSONTokener.java:446)
04-02 03:01:52.562: W/System.err(421): at org.json.JSONTokener.nextValue(JSONTokener.java:93)
04-02 03:01:52.562: W/System.err(421): at org.json.JSONObject.<init>(JSONObject.java:154)
04-02 03:01:52.562: W/System.err(421): at org.json.JSONObject.<init>(JSONObject.java:171)
04-02 03:01:52.562: W/System.err(421): at com.gift2u.products.ListProduct.onCreate(ListProduct.java:94
如果我给参数 [name=, category_id=0] 所有编程运行正确,我会编写程序搜索过滤器 product_name 或 category_id。谢谢大家的回答