0
イムアンドロイドスタジオ解決できない方法「addToRequestQueque（com.android.volley.toolbox.StringRequest、java.lang.Stringで）」
を使用してPHPの私のSQLをデータベースを作るつもりが、このエラーが邪魔にあります
//Adding request to request queue
AndroidLoginController.getInstance();
addToRequestQueue(strReq, tag_string_req);
}
私はメソッド 'addToRequestQueque（com.android.volley.toolbox.StringRequest、java.lang.String）を' 解決できないエラーが
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.example.pjsr.brnp.MainActivity;
import com.google.android.gms.appindexing.Action;
import com.google.android.gms.appindexing.AppIndex;
import com.google.android.gms.appindexing.Thing;
import com.google.android.gms.common.api.GoogleApiClient;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.Map;
import prefs.UserInfo;
import prefs.UserSession;
public class Login extends AppCompatActivity implements View.OnClickListener {
private static final String TAG = Login.class.getSimpleName();
private EditText email, password;
private Button login;
private TextView signup;
private ProgressDialog progressDialog;
private UserSession session;
private UserInfo userInfo;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
email = (EditText) findViewById(R.id.email);
password = (EditText) findViewById(R.id.password);
login = (Button) findViewById(R.id.login);
signup = (TextView) findViewById(R.id.open_signup);
progressDialog = new ProgressDialog(this);
session = new UserSession(this);
userInfo = new UserInfo(this);
if (session.isUserLoggedin()) {
startActivity(new Intent(this, MainActivity.class));
finish();
}
login.setOnClickListener(this);
signup.setOnClickListener(this);
}
private void login(final String email, final String password) {
//Tag used to cancel the request
String tag_string_req = "req_login";
progressDialog.setMessage("Logging in....");
progressDialog.show();
StringRequest strReq = new StringRequest(Request.Method.POST,
Utils.LOGIN_URL, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.d(TAG, "Login Response: " + response.toString());
try {
JSONObject jObj = new JSONObject(response);
boolean error = jObj.getBoolean("error");
//check for error node in json
if (!error) {
//now store the user in SQLite
JSONObject user = jObj.getJSONObject("user");
String uName = user.getString("username");
String email = user.getString("email");
//Inserting row in users table
userInfo.setEmail(email);
userInfo.setUsername(uName);
session.setLoggedin(true);
startActivity(new Intent(Login.this, MainActivity.class));
finish();
} else {
//error in login, get the error message
String errorMsg = jObj.getString("error_msg");
toast(errorMsg);
}
} catch (JSONException e) {
//json error
e.printStackTrace();
toast("Json error: " + e.getMessage());
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e(TAG, "Login Error: " + error.getMessage());
toast("Unknown Error occured");
progressDialog.hide();
}
}) {
@Override
protected Map<String, String> getParams() {
//Posting parameters to login url
Map<String, String> params = new HashMap<>();
params.put("email", email);
params.put("password", password);
return params;
}
};
//Adding request to request queue
AndroidLoginController.getInstance();
addToRequestQueue(strReq, tag_string_req);
}
private void toast(String x) {
Toast.makeText(this, x, Toast.LENGTH_SHORT).show();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.login:
String uName = email.getText().toString().trim();
String pass = password.getText().toString().trim();
login(uName, pass);
break;
case R.id.open_signup:
startActivity(new Intent(this, SignUp.class));
break;
}
}
/**
* ATTENTION: This was auto-generated to implement the App Indexing API.
* See https://g.co/AppIndexing/AndroidStudio for more information.
*/
public Action getIndexApiAction() {
Thing object = new Thing.Builder()
.setName("Login Page") // TODO: Define a title for the content shown.
// TODO: Make sure this auto-generated URL is correct.
.setUrl(Uri.parse("http://[ENTER-YOUR-URL-HERE]"))
.build();
return new Action.Builder(Action.TYPE_VIEW)
.setObject(object)
.setActionStatus(Action.STATUS_TYPE_COMPLETED)
.build();
}
}