登錄activity

package com.bawei.dianshang;

import android.content.Intent;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.bawei.dianshang.presenter.LoginPresenter;
import com.bawei.dianshang.view.LoginIView;

import org.json.JSONException;
import org.json.JSONObject;

public class LoginActivity extends AppCompatActivity implements View.OnClickListener,LoginIView {

private EditText ed_phone;
private EditText ed_pwd;
private Button login;
private Button zhuce;
private String ephone;
private String epwd;
private LoginPresenter loginPresenter;
private Handler myhandler = new Handler();

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);
    //控件
    ed_phone = findViewById(R.id.ed_phone);
    ed_pwd = findViewById(R.id.ed_pwd);
    login = findViewById(R.id.login);
    zhuce = findViewById(R.id.zhuce);
    login.setOnClickListener(this);
    zhuce.setOnClickListener(this);
    loginPresenter = new LoginPresenter();
    loginPresenter.attahcView(this);

}

@Override
public void onClick(View v) {
    switch (v.getId()){
        case R.id.login:
            ephone = ed_phone.getText().toString();
            epwd = ed_pwd.getText().toString();
            if (ephone.length()<11){
                Toast.makeText(this, "手機號格式不正確", Toast.LENGTH_SHORT).show();
                return;
            }else{
                if (epwd.length()<3){
                    Toast.makeText(this, "密碼格式不正確", Toast.LENGTH_SHORT).show();
                    return;
                }else {
                    loginPresenter.requestData(ephone,epwd);
                }
            }
            break;
        case R.id.zhuce:
            Intent intent = new Intent(LoginActivity.this,ZhuceActivity.class);
            startActivity(intent);
            break;
    }
}

@Override
public void showData(String yyy) {
    try {
        JSONObject jsonObject = new JSONObject(yyy);
        final String message = jsonObject.getString("message");
        myhandler.post(new Runnable() {
            @Override
            public void run() {
                if (message.equals("登錄成功")){
                    Toast.makeText(LoginActivity.this, "登錄成功", Toast.LENGTH_SHORT).show();
                    Intent intent = new Intent(LoginActivity.this,ShouActivity.class);
                    startActivity(intent);
                }else {
                    Toast.makeText(LoginActivity.this, "登錄失敗", Toast.LENGTH_SHORT).show();
                }
            }
        });
    } catch (JSONException e) {
        e.printStackTrace();
    }
}

@Override
protected void onDestroy() {
    super.onDestroy();
    loginPresenter.detachView(this);
}

}