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- org.json.JSONException: No value for name
- public class LoginActivity extends AppCompatActivity {
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_login);
- final EditText etUsername = (EditText) findViewById(R.id.etUsername);
- final EditText etPassword = (EditText) findViewById(R.id.etPassword);
- final TextView tvRegisterLink = (TextView) findViewById(R.id.tvRegisterLink);
- final Button bLogin = (Button) findViewById(R.id.bSignIn);
- tvRegisterLink.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- Intent registerIntent = new Intent(LoginActivity.this, RegisterActivity.class);
- LoginActivity.this.startActivity(registerIntent);
- }
- });
- bLogin.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- final String username = etUsername.getText().toString();
- final String password = etPassword.getText().toString();
- // Response received from the server
- Response.Listener<String> responseListener = new Response.Listener<String>() {
- @Override
- public void onResponse(String response) {
- try {
- JSONObject jsonResponse = new JSONObject(response);
- boolean success = jsonResponse.getBoolean("success");
- if (success) {
- String name = jsonResponse.getString("name");
- int age = jsonResponse.getInt("age");
- Intent intent = new Intent(LoginActivity.this, UserAreaActivity.class);
- intent.putExtra("name", name);
- intent.putExtra("age", age);
- intent.putExtra("username", username);
- LoginActivity.this.startActivity(intent);
- } else {
- AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
- builder.setMessage("Login Failed")
- .setNegativeButton("Retry", null)
- .create()
- .show();
- }
- } catch (JSONException e) {
- e.printStackTrace();
- }
- }
- };
- LoginRequest loginRequest = new LoginRequest(username, password, responseListener);
- RequestQueue queue = Volley.newRequestQueue(LoginActivity.this);
- queue.add(loginRequest);
- }
- });
- }
- }
- <?php
- $con = "Connection works fine.";
- $username = $_POST["username"];
- $password = $_POST["password"];
- $statement = mysqli_prepare($con, "SELECT * FROM user WHERE username = ? AND password = ?");
- mysqli_stmt_bind_param($statement, "ss", $username, $password);
- mysqli_stmt_execute($statement);
- mysqli_stmt_store_result($statement);
- mysqli_stmt_bind_result($statement, $userID, $name, $username, $age,$password);
- $response = array();
- $response["success"] = false;
- while(mysqli_stmt_fetch($statement)){
- $response["success"] = true;
- $response["name"] = $name;
- $response["age"] = $age;
- $response["username"] = $username;
- $response["password"] = $password;
- }
- echo json_encode($response);
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