MVP 登录注册

model层public interface ILoginModel {    void  login(String name, String pass, Callback callback);    void reg(String name, String pass,Callback callback);}public class LoginModel implements  ILoginModel{    @Override    public void login(String name, String pass, Callback callback) {        OKHttpUtils.getInstance().doGet("http://120.27.23.105/user/login?mobile="+name+"&password="+pass,callback);    }    @Override    public void reg(String name, String pass, Callback callback) {        OKHttpUtils.getInstance().doGet("http://120.27.23.105/user/reg?mobile="+name+"&password="+pass,callback);    }}view层public interface IRegView {    void  setName(String name);    String getName();    void  setPass(String pass);    String getPass();}public interface ILoginView {    void  setName(String name);    String getName();    void  setPass(String pass);    String getPass();}p层public class LoginPresenter {    Context context;    ILoginModel model;    ILoginView view;    public LoginPresenter(Context context, ILoginView view) {        this.context = context;        this.view = view;        model=new LoginModel();    }    //登录    public  void Login(){        String name = view.getName();        String pass = view.getPass();        model.login(name, pass, new OnUiCallback() {            @Override            public void onFailed(Call call, IOException e) {            }            @Override            public void onsuccess(String result) throws IOException {                LoginBean loginBean=new Gson().fromJson(result,LoginBean.class);                if (loginBean.getCode().equals("0")){                    Toast.makeText(context,"登录成功",Toast.LENGTH_SHORT).show();                    Intent intent=new Intent(context, InfoActivity.class);                    context.startActivity(intent);                }else{                    Toast.makeText(context,"登录失败",Toast.LENGTH_SHORT).show();                }            }        });    }}public class RrgPresenter {    Context context;    IRegView view;    ILoginModel model;    public RrgPresenter(Context context, IRegView view) {        this.context = context;        this.view = view;        model=new LoginModel();    }    public  void Reg(){        String name = view.getName();        String pass = view.getPass();        model.reg(name, pass, new OnUiCallback() {            @Override            public void onFailed(Call call, IOException e) {            }            @Override            public void onsuccess(String result) throws IOException {                RegBean regBean=new Gson().fromJson(result,RegBean.class);                if (regBean.getCode().equals("0")){                    Toast.makeText(context,"注册成功",Toast.LENGTH_SHORT).show();                    Intent intent=new Intent(context, LoginActivity.class);                    context.startActivity(intent);                }else{                    Toast.makeText(context,"注册失败",Toast.LENGTH_SHORT).show();                }            }        });    }}activitypublic class LoginActivity extends AppCompatActivity implements ILoginView{    private EditText et_name;    private EditText et_pass;    private Button btn_login;    LoginPresenter presenter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();        presenter=new LoginPresenter(this,this);        btn_login.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                presenter.Login();            }        });    }    private void initView() {        et_name = (EditText) findViewById(R.id.et_name);        et_pass = (EditText) findViewById(R.id.et_pass);        btn_login = (Button) findViewById(R.id.btn_login);    }    @Override    public void setName(String name) {        et_name.setText(name);    }    @Override    public String getName() {        return et_name.getText().toString();    }    @Override    public void setPass(String pass) {        et_pass.setText(pass);    }    @Override    public String getPass() {        return et_pass.getText().toString();    }}public class RegActivity extends AppCompatActivity implements IRegView {    private EditText et_name;    private EditText et_pass;    private Button btn_reg;    RrgPresenter presenter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_reg);        initView();        presenter=new RrgPresenter(this,this);        btn_reg.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                presenter.Reg();            }        });    }    private void initView() {        et_name = (EditText) findViewById(R.id.et_namereg);        et_pass = (EditText) findViewById(R.id.et_passreg);        btn_reg = (Button) findViewById(R.id.btn_reg);    }    @Override    public void setName(String name) {        et_name.setText(name);    }    @Override    public String getName() {        return et_name.getText().toString();    }    @Override    public void setPass(String pass) {       et_pass.setText(pass);    }    @Override    public String getPass() {        return et_pass.getText().toString();    }}xml登录 <EditText        android:id="@+id/et_name"        android:layout_width="200dp"        android:layout_height="wrap_content"        android:hint="请输入用户名"        android:layout_gravity="center"        android:layout_marginTop="100dp"/>    <EditText        android:id="@+id/et_pass"        android:layout_width="200dp"        android:layout_height="wrap_content"        android:hint="请输入密码"        android:layout_gravity="center"        android:layout_marginTop="20dp"/>    <Button        android:id="@+id/btn_login"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="登录"        android:layout_gravity="center"        android:layout_marginTop="20dp"/>xml注册  <EditText        android:id="@+id/et_namereg"        android:layout_width="200dp"        android:layout_height="wrap_content"        android:hint="请输入用户名"        android:layout_gravity="center"        android:layout_marginTop="100dp"/>    <EditText        android:id="@+id/et_passreg"        android:layout_width="200dp"        android:layout_height="wrap_content"        android:hint="请输入密码"        android:layout_gravity="center"        android:layout_marginTop="20dp"/>    <Button        android:id="@+id/btn_reg"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="注册"        android:layout_gravity="center"        android:layout_marginTop="20dp"/>