Question

我正在开发一个改装的应用程序我不熟悉使用改造开发登录。

我登录的JSON代码：

{
        "login": [
            {
                "sessionid": 12973,
                "responsetypes": "success"
            }
        ]
    }

如何实现此类JSON的登录？以下是我的代码：它给响应方法带来了错误。我能解决这个问题吗？

public class LoginActivity extends AppCompatActivity实现了View.OnClickListener {

private AppCompatButton btn_login;
private EditText et_email,et_password;
private TextView tv_register;
private ProgressBar progress;
private SharedPreferences pref;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);

    pref = LoginActivity.this.getPreferences(0);

    btn_login = (AppCompatButton)findViewById(R.id.btn_login);
    tv_register = (TextView)findViewById(R.id.tv_register);
    et_email = (EditText)findViewById(R.id.et_email);
    et_password = (EditText)findViewById(R.id.et_password);

    progress = (ProgressBar)findViewById(R.id.progress);

    btn_login.setOnClickListener(this);
    tv_register.setOnClickListener(this);
}

@Override
public void onClick(View v) {
    switch (v.getId()){

        case R.id.tv_register:
            goToRegister();
            break;

        case R.id.btn_login:
            String email = et_email.getText().toString();
            String password = et_password.getText().toString();

            if(!email.isEmpty() && !password.isEmpty()) {

                progress.setVisibility(View.VISIBLE);
                loginProcess(email,password);

            } else {

                Toast.makeText(LoginActivity.this, "Fields are empty !", Toast.LENGTH_LONG).show();
            }
            break;

    }
}
private void loginProcess(String userID,String password){

    Retrofit retrofit = new Retrofit.Builder()
            .baseUrl(Constants.BASE_URL)
            .addConverterFactory(GsonConverterFactory.create())
            .build();

    RequestInterface requestInterface = retrofit.create(RequestInterface.class);

    User user = new User();
    user.setEmail(userID);
    user.setPassword(password);
    ServerRequest request = new ServerRequest();
    request.setOperation(Constants.LOGIN_OPERATION);
    request.setUser(user);
    Call<ServerResponse> response = requestInterface.operation(request);

    response.enqueue(new Callback<ServerResponse>() {
        @Override
        public void onResponse(Call<ServerResponse> call, retrofit2.Response<ServerResponse> response) {

            ServerResponse resp = response.body();
            Toast.makeText(LoginActivity.this, resp.getMessage(), Toast.LENGTH_LONG).show();

            if(resp.getResult().equals(Constants.SUCCESS)){
                SharedPreferences.Editor editor = pref.edit();
                editor.putBoolean(Constants.IS_LOGGED_IN,true);

                editor.putString(Constants.EMAIL,resp.getUser().getEmail());
             //   editor.putString(Constants.NAME,resp.getUser().getName());
                editor.putString(Constants.UNIQUE_ID,resp.getUser().getUnique_id());
                editor.apply();
                goToProfile();

            }
            progress.setVisibility(View.INVISIBLE);
        }

        @Override
        public void onFailure(Call<ServerResponse> call, Throwable t) {

            progress.setVisibility(View.INVISIBLE);
            Log.d(Constants.TAG,"failed");
            //Snackbar.make(getV, t.getLocalizedMessage(), Snackbar.LENGTH_LONG).show();

        }
    });
}

private void goToRegister(){

    Intent i = new Intent(LoginActivity.this, RegisterActivity.class);
    startActivity(i);
}

private void goToProfile(){

    Intent i = new Intent(LoginActivity.this, MainActivity.class);
    startActivity(i);
}

}

// 公共接口RequestInterface {

@POST("ypAndroid/api/")
Call<ServerResponse> operation(@Body ServerRequest request);

}

公共类常量{

public static final String BASE_URL = "http://www.example.com/";
public static final String REG_URL = "http://www.example.com/";
public static final String REGISTER_OPERATION = "register";
public static final String LOGIN_OPERATION = "login";
public static final String CHANGE_PASSWORD_OPERATION = "chgPass";

public static final String SUCCESS = "success";
public static final String FAILURE = "failure";
public static final String IS_LOGGED_IN = "isLoggedIn";

public static final String NAME = "name";
public static final String EMAIL = "userID";
public static final String UNIQUE_ID = "sessionid";

public static final String TAG = "Demo";

}

// 公共类ServerRequest {

private String operation;
private User user;

public void setOperation(String operation) {
    this.operation = operation;
}

public void setUser(User user) {
    this.user = user;
}

}

// public class ServerResponse {

private String result;
private String message;
private User user;

public String getResult() {
    return result;
}

public String getMessage() {
    return message;
}

public User getUser() {
    return user;
}

}

//

public class Login {

@SerializedName("sessionid")
@Expose
private Integer sessionid;
@SerializedName("responsetypes")
@Expose
private String responsetypes;

public Integer getSessionid() {
    return sessionid;
}

public void setSessionid(Integer sessionid) {
    this.sessionid = sessionid;
}

public String getResponsetypes() {
    return responsetypes;
}

public void setResponsetypes(String responsetypes) {
    this.responsetypes = responsetypes;
}

}

Answer 1

查看代码后，请参阅流程的第2步并更改ServerResponse类。您没有正确映射响应。

您需要采取以下步骤在改造中实施任何类型的API：

创建一个定义结束的界面，其中包括响应和请求。

public interface MyClient { 
@FromUrlEncoded 
@POST("your/login/end/point/")
Call<RequestClass> login(@String("username") String username, other post parameters);
}

回复POJO班级。它将是我上面提到的RequestClass。您可以从http://www.jsonschema2pojo.org/创建它。

制作REST客户端您可以按如下方式为您的API创建Rest客户端：

String API_BASE_URL = "https://your.base.url/";

OkHttpClient.Builder httpClient = new OkHttpClient.Builder();

Retrofit.Builder builder =  
new Retrofit.Builder()
        .baseUrl(API_BASE_URL)
        .addConverterFactory(
            GsonConverterFactory.create()
        );

Retrofit retrofit =  builder.client(httpClient.build()).build();

RestClient client =  retrofit.create(MyClient.class);

将其应用于您要将请求发送到服务器的位置。

// Create a very simple REST adapter which points the GitHub API endpoint.
RestClient client =  retrofit.create(GitHubClient.class);

// Call the API
Call<ResponseClass> call =  client.login(parameter_of_login_call);

call.enqueue(new Callback<ResponseClass>() {  
@Override
public void onResponse(Call<ResponseClass> call, Response<ResponseClass> response) {
// The network call was a success and we got a response
// implement the what needs to be done here
 }

 @Override
 public void onFailure(Call<ResponseClass> call, Throwable t) {
 // the network call was a failure
 // handle error
 }
 });

如何通过改造实现登录？

1 个答案: