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equestQueue requestQueue= Volley.newRequestQueue(this);//这里的this指的是Context
StringRequest request = new StringRequest("http://192.168.42.129:8080/Day2_6/JsonServlet", new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.i("ceshi", "onResponse: success!"+response.toString());
Toast.makeText(MainActivity.this, response.toString(), Toast.LENGTH_SHORT).show();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.i("ceshi", "onResponse: fail!"+error.getMessage());
}
});
/*JsonObjectRequest request = new JsonObjectRequest("http://192.168.152.2:8080/Day2_6/JsonServlet",null,new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.i("ceshi", "onResponse: success!"+response.toString());
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.i("ceshi", "onErrorResponse: fail!"+error.getMessage());
}
});*/
request.setRetryPolicy(new DefaultRetryPolicy(3*1000, 1, 1.0f));
requestQueue.add(request);
java.net.ConnectException: failed to connect to /192.168.42.129 (port 8080) after 3000ms: connect failed: ENETUNREACH (Network is unreachable)
request.setRetryPolicy(new DefaultRetryPolicy(3*1000, 1, 1.0f));
你设置的网络请求超过3秒就超时。。。