I am using android 4.1.2 using ..this code not work in my system..

this is mainActiviy.java

package com.example.remotedata;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import java.util.HashMap;
import java.util.Map;
public class MainActivity extends AppCompatActivity {
Button button;
EditText Name , Email;
String server_url = "http://192.168.1.4/remotedata/Dbconfig.php";
AlertDialog.Builder builder;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button = (Button) findViewById(R.id.bn);
Name = (EditText) findViewById(R.id.name1);
Email = (EditText) findViewById(R.id.email1);
builder = new AlertDialog.Builder(MainActivity.this);
button.setOnClickListener(v -> {
final String name , email ;
name =Name.getText().toString();
email=Email.getText().toString();
StringRequest stringRequest = new StringRequest(Request.Method.POST, server_url, new Response.Listener() {
@Override
public void onResponse(String response) {
builder.setTitle("Server Response");
builder.setMessage("Response :"+response);
builder.setPositiveButton("OK", (dialog, which) -> {
Name.setText("");
Email.setText("");
});
AlertDialog alertDialog = builder.create();
alertDialog.show();
}
}
, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(MainActivity.this,"some error found .....",Toast.LENGTH_SHORT).show();
error.printStackTrace();
}
}){
@Override
protected Map getParams() throws AuthFailureError {
Map Params = new HashMap();
Params.put("name",name);
Params.put("email",email);
return Params;
}
};
Mysingleton.getInstance(MainActivity.this).addTorequestque(stringRequest);
});
}
}

9 Replies

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Rijwan Ansari5y ago
Accepted answer
Would you please share the code and specific point where is the error?
manish kumar5y ago
pls sir rply me ...very argent requirement .....
manish kumar5y ago
i konw this error ..but can not reslove ..
manish kumar5y ago
what i can do in this my code modification pls explain
Rijwan Ansari5y ago
Sorry for late reply.

Your message is poping from this function
new Response.ErrorListener() {
               @Override
public void onErrorResponse(VolleyError error) {
                   Toast.makeText(MainActivity.this,"some error found .....",Toast.LENGTH_SHORT).show();
                   error.printStackTrace();

               }
           }
Your this function is getting failure.
StringRequest stringRequest = new StringRequest(Request.Method.POST, server_url, new Response.Listener() { ...
Please this post method and server mothod
manish kumar5y ago
Any rply sir pls ???
manish kumar5y ago
pls rply ..its very argent sir ..plss fast
manish kumar5y ago
this is my project
manish kumar5y ago
this is mainActiviy.java
package com.example.remotedata;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import java.util.HashMap;
import java.util.Map;
public class MainActivity extends AppCompatActivity {
    Button button;
    EditText Name , Email;
    String server_url = "http://192.168.1.4/remotedata/Dbconfig.php";
    AlertDialog.Builder builder;
    @Override
protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        button = (Button) findViewById(R.id.bn);
        Name = (EditText) findViewById(R.id.name1);
        Email = (EditText) findViewById(R.id.email1);
        builder = new AlertDialog.Builder(MainActivity.this);
        button.setOnClickListener(v -> {
            final String name , email ;
            name =Name.getText().toString();
            email=Email.getText().toString();
            StringRequest stringRequest = new StringRequest(Request.Method.POST, server_url, new Response.Listener() {
                @Override
public void onResponse(String response) {

                    builder.setTitle("Server Response");
                    builder.setMessage("Response :"+response);
                    builder.setPositiveButton("OK", (dialog, which) -> {
                        Name.setText("");
                        Email.setText("");
                    });
                    AlertDialog alertDialog = builder.create();
                    alertDialog.show();
                }
            }
                    , new Response.ErrorListener() {
                @Override
public void onErrorResponse(VolleyError error) {
                    Toast.makeText(MainActivity.this,"some error found .....",Toast.LENGTH_SHORT).show();
                    error.printStackTrace();

                }
            }){
                @Override
protected Map getParams() throws AuthFailureError {
                    Map  Params = new HashMap();
                    Params.put("name",name);
                    Params.put("email",email);
                    return Params;
                }
            };
           Mysingleton.getInstance(MainActivity.this).addTorequestque(stringRequest);
        });
    }
}