登录代码MVP架构的具体实现，分享给大家。

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MainActivity.java

public class MainActivity extends AppCompatActivity implements View.OnClickListener, Mvp.fff {

  private EditText mUsername;
  private EditText mPassword;
  private Button login;
  private ProgressDialog mProgressDialog;
  private Mvp mMvp;

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

     mMvp = new Mvp(this);

  }
  private void initView() {
    mUsername = (EditText) findViewById(R.id.username);
    mPassword = (EditText) findViewById(R.id.password);
    login = (Button) findViewById(R.id.login);

    login.setOnClickListener(this);

    //动态的创建一个进度条
    mProgressDialog = new ProgressDialog(this);
  }

  @Override
  public void onClick(View view) {

    switch (view.getId()){
      case R.id.login:
        String user = mUsername.getText().toString();
        String pass = mPassword.getText().toString();
        final User users = new User();
        users.username=user;
        users.password=pass;


        Boolean empty = mMvp.isEmpty(users);
        if (empty){

          mProgressDialog.show();
          mMvp.isLogin(users);
        }else {

          Toast.makeText(MainActivity.this, "输入不能为空", Toast.LENGTH_SHORT).show();
          return;
        }

        break;
    }

  }

  @Override
  public void success() {

    runOnUiThread(new Runnable() {
      @Override
      public void run() {
        mProgressDialog.dismiss();
        Toast.makeText(MainActivity.this, "欢迎回来,思密达", Toast.LENGTH_SHORT).show();
      }
    });
  }

  @Override
  public void doil() {

    runOnUiThread(new Runnable() {
      @Override
      public void run() {
        mProgressDialog.dismiss();
        Toast.makeText(MainActivity.this, "登录失败,账号密码有问题", Toast.LENGTH_SHORT).show();
      }
    });
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    mMvp=null;
  }
}

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