MVP乞丐完整版

MainActivity

public class MainActivity extends AppCompatActivity implements View.OnClickListener,DataCall {

    private EditText mMobile,mPassword;

    LoginPresenter model = new LoginPresenter(this);

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

        mMobile = findViewById(R.id.login_moblie);
        mPassword = findViewById(R.id.login_psw);

        findViewById(R.id.login_btn).setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {

        final String mobile = mMobile.getText().toString();
        final String password = mPassword.getText().toString();

        model.login(mobile,password);

    }

    @Override
    public void callback(User data) {
        Toast.makeText(getBaseContext(),data.getCode()+" "+data.getMsg(),Toast.LENGTH_LONG).show();
    }
}

bean

public class User {
    String msg;
    String code;

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }
}

datacall接口

public interface DataCall {

    void callback(User data);

}

http

public class Utils {
    public static String get(String urlString){
        try {
            URL url = new URL(urlString);
            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
          /*  urlConnection.setRequestMethod("GET");//若果是get请求可以不用配置; 其他请求必须配置
            urlConnection.setConnectTimeout(8000);//设置链接超时间*/
            InputStream inputStream = urlConnection.getInputStream();//获取网络返回的输入流;
            //可拼接的字符串
            StringBuilder stringBuilder = new StringBuilder();
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
            String temp = "";
            while ((temp = bufferedReader.readLine()) != null) {
                stringBuilder.append(temp);
                temp = "";
            }
            //这个是网络获取的数据
            String data = stringBuilder.toString();
            return data;
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }
}

model

public class LoginModel {

    public static User login(String mobile, String password){
        String loginData = Utils.get("http://www.zhaoapi.cn/user/login?mobile="
                +mobile+"&password="+password);
        Gson gson = new Gson();
        User user = gson.fromJson(loginData,User.class);
        return user;
    }

}

presenter

public class LoginPresenter {

    private DataCall call;

    public LoginPresenter(DataCall dataCall){
        call = dataCall;
    }

    private Handler mHandler = new Handler(Looper.getMainLooper()){
        @Override
        public void handleMessage(Message msg) {
            User loginData = (User) msg.obj;

            Log.i("dt",""+loginData.getMsg());
            call.callback(loginData);
        }
    };

    public void login(final String mobile, final String password){
        new Thread(new Runnable() {
            @Override
            public void run() {

                User loginData = LoginModel.login(mobile,password);

                Message message = mHandler.obtainMessage();
                message.obj = loginData;
                mHandler.sendMessage(message);

            }
        }).start();
    }

}