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我正在使用retrofit构建android应用程序作为我的httprequest连接到我的hapi服务器。我的服务器工作正常，我已经在邮递员和我的WebApps上测试过了。但我的改造无法连接到它。下面是我的代码。为了简单起见阅读我删除线是没有必要的：改装无法连接到hapi服务器本地主机？
LoginActivity.java
package com.sianghee.reviu;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.support.design.widget.TextInputEditText;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.content.Intent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import butterknife.ButterKnife;
import butterknife.BindView;
import butterknife.OnClick;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
import com.sianghee.reviu.interfaces.APIService;
import com.sianghee.reviu.lib.Session;
import com.sianghee.reviu.models.UserLogin;
import static com.sianghee.reviu.lib.Helper.returnError;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
public class LoginActivity extends Activity {
private static final String TAG = "LoginActivity";
private static final int REQUEST_SIGNUP = 0;
Session session;
public static final String BASE_URL = "localhost:3000";
private EditText emailText;
private EditText passwordText;
@BindView(R.id.btn_login) Button _loginButton;
@BindView(R.id.link_signup) TextView _signupLink;
// TODO: Init sewaktu pertama kali form diload
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
ButterKnife.bind(this);
emailText = (EditText)findViewById(R.id.input_email);
passwordText = (EditText)findViewById(R.id.input_password);
}
// TODO: bind login and do login
@OnClick(R.id.btn_login)
public void submitLogin() {
login();
}
// TODO: bind signup and do register
....
public void login() {
Log.d(TAG, "Login");
if (!validate()) {
onLoginFailed();
return;
}
_loginButton.setEnabled(false);
final ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setIndeterminate(true);
progressDialog.setMessage("Authenticating...");
progressDialog.show();
String email = emailText.getText().toString();
String password = passwordText.getText().toString();
// TODO: Implement your own authentication logic here.
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.build();
APIService api = retrofit.create(APIService.class);
UserLogin userLogin = new UserLogin(email, password);
Call<UserLogin> call = api.login(userLogin);
call.enqueue(new Callback<UserLogin>() {
@Override
public void onResponse(Call<UserLogin> call, Response<UserLogin> response) {
String result;
progressDialog.dismiss();
try {
result = response.body().toString();
if (returnError(result).isEmpty()) {
JSONObject obj;
obj = new JSONObject(result);
session.setLoginSession(obj.getString("scope"), obj.getString("token"));
Intent i = new Intent(LoginActivity.this, MainActivity.class);
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(i);
finish();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
.......
}
APIService.java
package com.sianghee.reviu.interfaces;
import retrofit2.Call;
import retrofit2.http.Body;
import retrofit2.http.POST;
import com.sianghee.reviu.models.UserLogin;
/**
* Created by andy on 11/26/17.
*/
public interface APIService {
@POST("auth")
Call<UserLogin> login(@Body UserLogin auth);
}
UserLogin.java
package com.sianghee.reviu.models;
public class UserLogin {
String email;
String password;
public UserLogin(String email, String password) {
this.email = email;
this.password = password;
}
}
每当我点击登录按钮，无法连接到服务器。下面是logcat的：用于登录
12-02 23:24:42.771 3660-3660/com.sianghee.reviu I/InstantRun: starting instant run server: is main process
12-02 23:24:43.116 3660-3690/com.sianghee.reviu D/OpenGLRenderer: HWUI GL Pipeline
12-02 23:24:43.213 3660-3660/com.sianghee.reviu I/TextInputLayout: EditText added is not a TextInputEditText. Please switch to using that class instead.
12-02 23:24:43.219 3660-3660/com.sianghee.reviu I/TextInputLayout: EditText added is not a TextInputEditText. Please switch to using that class instead.
[ 12-02 23:24:43.283 3660: 3690 D/ ]
HostConnection::get() New Host Connection established 0x896438c0, tid 3690
12-02 23:24:43.471 3660-3690/com.sianghee.reviu I/zygote: android::hardware::configstore::V1_0::ISurfaceFlingerConfigs::hasWideColorDisplay retrieved: 0
12-02 23:24:43.471 3660-3690/com.sianghee.reviu I/OpenGLRenderer: Initialized EGL, version 1.4
12-02 23:24:43.471 3660-3690/com.sianghee.reviu D/OpenGLRenderer: Swap behavior 1
12-02 23:24:43.471 3660-3690/com.sianghee.reviu W/OpenGLRenderer: Failed to choose config with EGL_SWAP_BEHAVIOR_PRESERVED, retrying without...
12-02 23:24:43.471 3660-3690/com.sianghee.reviu D/OpenGLRenderer: Swap behavior 0
12-02 23:24:43.473 3660-3690/com.sianghee.reviu D/EGL_emulation: eglCreateContext: 0x9b543860: maj 2 min 0 rcv 2
12-02 23:24:43.475 3660-3690/com.sianghee.reviu D/EGL_emulation: eglMakeCurrent: 0x9b543860: ver 2 0 (tinfo 0xa4a8f700)
12-02 23:24:43.527 3660-3690/com.sianghee.reviu D/EGL_emulation: eglMakeCurrent: 0x9b543860: ver 2 0 (tinfo 0xa4a8f700)
12-02 23:24:43.856 3660-3660/com.sianghee.reviu I/AssistStructure: Flattened final assist data: 1684 bytes, containing 1 windows, 5 views
12-02 23:24:49.113 3660-3673/com.sianghee.reviu I/zygote: Do partial code cache collection, code=30KB, data=26KB
12-02 23:24:49.113 3660-3673/com.sianghee.reviu I/zygote: After code cache collection, code=30KB, data=26KB
12-02 23:24:49.113 3660-3673/com.sianghee.reviu I/zygote: Increasing code cache capacity to 128KB
12-02 23:24:51.355 3660-3673/com.sianghee.reviu I/zygote: Do partial code cache collection, code=61KB, data=59KB
12-02 23:24:51.356 3660-3673/com.sianghee.reviu I/zygote: After code cache collection, code=61KB, data=59KB
12-02 23:24:51.356 3660-3673/com.sianghee.reviu I/zygote: Increasing code cache capacity to 256KB
12-02 23:24:54.016 3660-3673/com.sianghee.reviu I/zygote: Do full code cache collection, code=123KB, data=99KB
12-02 23:24:54.016 3660-3673/com.sianghee.reviu I/zygote: After code cache collection, code=107KB, data=66KB
12-02 23:24:56.503 3660-3660/com.sianghee.reviu D/LoginActivity: Login
12-02 23:24:56.573 3660-3673/com.sianghee.reviu I/zygote: Do partial code cache collection, code=114KB, data=93KB
12-02 23:24:56.573 3660-3673/com.sianghee.reviu I/zygote: After code cache collection, code=114KB, data=93KB
12-02 23:24:56.573 3660-3673/com.sianghee.reviu I/zygote: Increasing code cache capacity to 512KB
12-02 23:24:56.574 3660-3673/com.sianghee.reviu I/zygote: JIT allocated 56KB for compiled code of void android.view.View.<init>(android.content.Context, android.util.AttributeSet, int, int)
12-02 23:24:56.603 3660-3660/com.sianghee.reviu D/NetworkSecurityConfig: No Network Security Config specified, using platform default
12-02 23:24:56.803 3660-3660/com.sianghee.reviu W/error: java.net.ConnectException: Failed to connect to /127.0.0.1:3000
12-02 23:24:57.094 3660-3690/com.sianghee.reviu D/EGL_emulation: eglMakeCurrent: 0x9b543860: ver 2 0 (tinfo 0xa4a8f700)
12-02 23:24:57.126 3660-3690/com.sianghee.reviu D/EGL_emulation: eglMakeCurrent: 0x9b543860: ver 2 0 (tinfo 0xa4a8f700)
我的服务器API链接：http://127.0.0.1:3000/auth
通知从我Log.w()方法的错误，以前说：
java.net.ConnectException：无法连接到/127.0.0.1:3000
也许这是只是我常见的错误，请帮助。
如果你的服务器是在本地主机上，怎么办你从android设备到达它？ –