MVP实现登录注册功能

Model

bean

public class User {    private String username;    private String password;    public User(String username, String password) {        this.username = username;        this.password = password;    }    public String getUsername() {        return username;    }    public void setUsername(String username) {        this.username = username;    }    public String getPassword() {        return password;    }    public void setPassword(String password) {        this.password = password;    }}
LoginModel
public interface LoginModel {    void login(String username, String password, OnLoginListener onLoginListener, Context context);    interface OnLoginListener {        void loginSuccess(User user);        void loginFailed(String s);    }}
LoginModelImpl
public class LoginModelImpl implements LoginModel {    @Override    public void login(final String username, final String password, final OnLoginListener onLoginListener, Context context) {        /**         *         * 模拟子线程，执行耗时操作         */        final SharedPreferences user = context.getSharedPreferences("user", Context.MODE_APPEND);        new Thread() {            @Override            public void run() {                super.run();                try {                    Thread.sleep(3000);                    if (username.isEmpty()||password.isEmpty()){                        onLoginListener.loginFailed("Incorrect username or password.");                        return;                    }                    if (username.equals(user.getString("name","")) && password.equals(user.getString("pwd",""))) {                        onLoginListener.loginSuccess(new User(username,password));                    } else {                        onLoginListener.loginFailed("Incorrect username or password.");                    }                } catch (InterruptedException e) {                    e.printStackTrace();                }            }        }.start();    }}

RegisterModel
public interface RegisterModel {    void register(String username, String password, OnRegisterListener onRegisterListener, Context context);    interface OnRegisterListener {        void registerSuccess(User user);        void registerFailed(String s);    }}
RegisterModelImpl
public class RegisterModelImpl implements RegisterModel {    @Override    public void register(final String username, final String password, final OnRegisterListener onRegisterListener, Context context) {        final SharedPreferences user = context.getSharedPreferences("user", Context.MODE_APPEND);        new Thread() {            @Override            public void run() {                super.run();                try {                    Thread.sleep(3000);                    if (username.isEmpty() || password.isEmpty()) {                        onRegisterListener.registerFailed("用户或密码不能为空");                        return;                    }                    if (username.equals(user.getString("name", ""))) {                        onRegisterListener.registerFailed("用户已存在");                    } else {                        onRegisterListener.registerSuccess(new User(username, password));                        SharedPreferences.Editor edit = user.edit();                        edit.putString("name", username);                        edit.putString("pwd", password);                        edit.commit();                    }                } catch (InterruptedException e) {                    e.printStackTrace();                }            }        }.start();    }}

Personter
LoginPresenter
public class LoginPresenter {    private LoginView loginView;    private LoginModel loginModel;    private Handler mHandler;    public LoginPresenter(LoginView loginView) {        this.loginView = loginView;        loginModel = new LoginModelImpl();        mHandler = new Handler();    }    public void login() {        loginView.showLoading();        loginModel.login(loginView.getUsername(), loginView.getPassword(), new LoginModel.OnLoginListener() {            @Override            public void loginSuccess(final User user) {                //模拟登录成功后，返回信息到Activity,吐出成功信息                mHandler.post(new Runnable() {                    @Override                    public void run() {                        loginView.showSuccessMsg(user);                        loginView.hideLoading();                    }                });            }            @Override            public void loginFailed(final String s) {                //模拟登录失败后，返回信息，吐出错误信息                mHandler.post(new Runnable() {                    @Override                    public void run() {                        loginView.showFailedMsg(s);                        loginView.hideLoading();                    }                });            }        },loginView.context());    }    public void clear(){        loginView.clearEditText();    }}

RegisterPresenter

public class RegisterPresenter {    private RegisterView registerView;    private RegisterModelImpl registerModelImpl;    private Handler mHandler;    public RegisterPresenter(RegisterView registerView) {        this.registerView = registerView;        registerModelImpl = new RegisterModelImpl();        mHandler = new Handler();    }    public void register() {        registerView.showLoading();        registerModelImpl.register(registerView.getUsername(), registerView.getPassword(), new RegisterModel.OnRegisterListener() {            @Override            public void registerSuccess(final User user) {                //模拟注册成功后，返回信息到Activity,吐出成功信息                mHandler.post(new Runnable() {                    @Override                    public void run() {                        registerView.showSuccessMsg(user);                        registerView.hideLoading();                    }                });            }            @Override            public void registerFailed(final String s) {                //模拟注册失败后，返回信息，吐出错误信息                mHandler.post(new Runnable() {                    @Override                    public void run() {                        registerView.showFailedMsg(s);                        registerView.hideLoading();                    }                });            }        }, registerView.context());    }    public void clear() {        registerView.clearEditText();    }}

View

LoginView

public interface LoginView {    //得到用户填写的信息    String getUsername();    String getPassword();    Context context();    //显示和隐藏登录ProgressBar    void showLoading();    void hideLoading();    //登录成功或失败后，返回信息的方法    void showSuccessMsg(User user);    void showFailedMsg(String s);    //清楚数据    void clearEditText();}

RegisterView

public interface RegisterView {    //得到用户填写的信息    String getUsername();    String getPassword();    Context context();    //显示和隐藏登录ProgressBar    void showLoading();    void hideLoading();    //注册成功或失败后，返回信息的方法    void showSuccessMsg(User user);    void showFailedMsg(String s);    //清除数据    void clearEditText();}

MainActivity

public class MainActivity extends AppCompatActivity implements LoginView {    private EditText et_userName;    private EditText et_password;    private ProgressBar progressBar;    private LoginPresenter loginPresenter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initview();        loginPresenter = new LoginPresenter(this);    }    private void initview() {        et_userName = (EditText) findViewById(R.id.main_et_username);        et_password = (EditText) findViewById(R.id.main_et_password);        progressBar = (ProgressBar) findViewById(R.id.main_progressBar);    }    //点击登录    public void LoginClick(View view) {        loginPresenter.login();    }    //点击清除    public void ClearClick(View view) {        loginPresenter.clear();    }    @Override    public String getUsername() {        return et_userName.getText().toString();    }    @Override    public String getPassword() {        return et_password.getText().toString();    }    @Override    public Context context() {        return this;    }    @Override    public void showLoading() {        progressBar.setVisibility(View.VISIBLE);    }    @Override    public void hideLoading() {        progressBar.setVisibility(View.GONE);    }    @Override    public void showSuccessMsg(User user) {        Toast.makeText(MainActivity.this, "User " + user.getUsername() + " Login Sccess!", Toast.LENGTH_SHORT).show();    }    @Override    public void showFailedMsg(String s) {        Toast.makeText(MainActivity.this, s, Toast.LENGTH_SHORT).show();    }    @Override    public void clearEditText() {        et_userName.setText("");        et_password.setText("");    }    @Override    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {        super.onRequestPermissionsResult(requestCode, permissions, grantResults);    }    public void Register(View view) {        startActivity(new Intent(this,RegisterActivity.class));    }}

RegisterActivity

public class RegisterActivity extends AppCompatActivity implements RegisterView {    private ImageView align;    private ProgressBar progressBar;    private EditText et_password;    private EditText et_userName;    private RegisterPresenter presenter;    @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_register);        align = (ImageView) findViewById(R.id.align);        progressBar = (ProgressBar) findViewById(R.id.main_progressBar);        et_password = (EditText) findViewById(R.id.main_et_password);        et_userName = (EditText) findViewById(R.id.main_et_username);        presenter = new RegisterPresenter(this);    }    @Override    public String getUsername() {        return et_userName.getText().toString();    }    @Override    public String getPassword() {        return et_password.getText().toString();    }    @Override    public Context context() {        return this;    }    @Override    public void showLoading() {        progressBar.setVisibility(View.VISIBLE);    }    @Override    public void hideLoading() {        progressBar.setVisibility(View.GONE);    }    @Override    public void showSuccessMsg(User user) {        Toast.makeText(RegisterActivity.this, "User " + user.getUsername() + " Register Sccess!", Toast.LENGTH_SHORT).show();        finish();    }    @Override    public void showFailedMsg(String s) {        Toast.makeText(RegisterActivity.this, s, Toast.LENGTH_SHORT).show();    }    @Override    public void clearEditText() {        et_userName.setText("");        et_password.setText("");    }    public void RegisterClick(View view) {        presenter.register();    }    public void Clear(View view) {        presenter.clear();    }}

activity_main
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:padding="10dp">    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"></LinearLayout>    <EditText        android:id="@+id/main_et_username"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:hint="请输入姓名"        android:textColorHint="#505050"        android:textSize="20dp" />    <EditText        android:id="@+id/main_et_password"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@id/main_et_username"        android:layout_marginTop="10dp"        android:hint="请输入密码"        android:textColorHint="#505050"        android:textSize="20dp" />    <ProgressBar        android:id="@+id/main_progressBar"        android:layout_width="80dp"        android:layout_height="80dp"        android:layout_centerInParent="true"        android:visibility="gone" />    <ImageView        android:id="@+id/align"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_centerInParent="true" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@id/main_et_password"        android:layout_marginRight="30dp"        android:layout_marginTop="10dp"        android:layout_toLeftOf="@id/align"        android:onClick="LoginClick"        android:text="Login" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@id/main_et_password"        android:layout_marginLeft="30dp"        android:layout_marginTop="10dp"        android:layout_toRightOf="@id/align"        android:onClick="ClearClick"        android:text="Clear" />    <Button        android:layout_above="@id/align"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginBottom="30dp"        android:layout_centerHorizontal="true"        android:layout_marginLeft="30dp"        android:layout_marginTop="10dp"        android:onClick="Register"        android:text="注册" /></RelativeLayout>
activity_register
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:padding="10dp">    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"></LinearLayout>    <EditText        android:id="@+id/main_et_username"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:hint="请输入手机号"        android:textColorHint="#505050"        android:textSize="20dp" />    <EditText        android:id="@+id/main_et_password"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@id/main_et_username"        android:layout_marginTop="10dp"        android:hint="请输入密码"        android:textColorHint="#505050"        android:textSize="20dp" />    <ProgressBar        android:id="@+id/main_progressBar"        android:layout_width="80dp"        android:layout_height="80dp"        android:layout_centerInParent="true"        android:visibility="gone" />    <ImageView        android:id="@+id/align"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_centerInParent="true" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@id/main_et_password"        android:layout_marginRight="30dp"        android:layout_marginTop="10dp"        android:layout_toLeftOf="@id/align"        android:onClick="RegisterClick"        android:text="REGISTER" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@id/main_et_password"        android:layout_marginLeft="30dp"        android:layout_marginTop="10dp"        android:layout_toRightOf="@id/align"        android:onClick="Clear"        android:text="Clear" /></RelativeLayout>