【移動應(yīng)用開發(fā)技術(shù)】Android中怎么利用MVP實現(xiàn)登錄注冊功能

這篇文章給大家介紹Android中怎么利用MVP實現(xiàn)登錄注冊功能，內(nèi)容非常詳細(xì)，感興趣的小伙伴們可以參考借鑒，希望對大家能有所幫助。model包：import

com.bwei.mvps.bean.UserBean;

public

interface

IUserModel

{

void

setFirstName(String

firstName);

void

setLastName(String

lastName);

String

getFirstName();

String

getLastName();

//根據(jù)id獲取對象

UserBean

load(int

id);

}import

android.util.Log;

import

com.bwei.mvps.bean.UserBean;

public

class

UserModel

implements

IUserModel

{

@Override

public

void

setFirstName(String

firstName)

{

Log.i("xxx",

firstName);

}

@Override

public

void

setLastName(String

lastName)

{

Log.i("xxx",

lastName);

}

@Override

public

String

getFirstName()

{

return

null;

}

@Override

public

String

getLastName()

{

return

null;

}

@Override

public

UserBean

load(int

id)

{

//查詢數(shù)據(jù)庫或聯(lián)網(wǎng)獲取數(shù)據(jù)

Log.i("fff",

id

+

"");

return

new

UserBean("張",

"三");

}

}View包public

interface

UserView

{

void

setFirstName(String

firstName);

void

setLastName(String

lastName);

int

getId();

String

getFirstName();

String

getLastName();

}presenter包：import

android.util.Log;

import

com.bwei.mvps.MainActivity;

import

com.bwei.mvps.bean.UserBean;

import

com.bwei.mvps.model.IUserModel;

import

com.bwei.mvps.model.UserModel;

import

com.bwei.mvps.view.UserView;

public

class

UserPresenter

{

private

UserView

userview;

private

final

IUserModel

iUserModel;

public

UserPresenter(UserView

userview)

{

this.userview

=

userview;

iUserModel

=

new

UserModel();

}

//保存數(shù)據(jù)

public

void

saveUser(int

id,

String

firstName,

String

lastName)

{

UserBean

userBean

=

iUserModel.load(id);

Log.i("sss",

"id:"

+

id

+

",firstName:"

+

firstName

+

",lastName:"

+

lastName);

}

//查詢數(shù)據(jù)

public

void

find(int

id)

{

UserBean

userBean

=

iUserModel.load(id);

String

firstName

=

userBean.getFirstName();

String

lastName

=

userBean.getLastName();

userview.setFirstName(firstName);

userview.setLastName(lastName);

Log.i("aaa",

"id:"

+

id

+

",firstName:"

+

firstName

+

",lastName:"

+

lastName);

}

}XML<?xml

version="1.0"

encoding="utf-8"?>

<LinearLayout

xmlns:android="/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal">

<TextView

android:layout_width="70dp"

android:layout_height="wrap_content"

android:text="ID"/>

<EditText

android:id="@+id/et_id"

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"/>

</LinearLayout>

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal">

<TextView

android:layout_width="70dp"

android:layout_height="wrap_content"

android:text="FirstName"/>

<EditText

android:id="@+id/et_first_name"

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"/>

</LinearLayout>

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal">

<TextView

android:layout_width="70dp"

android:layout_height="wrap_content"

android:text="LastName"/>

<EditText

android:id="@+id/et_last_name"

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"/>

</LinearLayout>

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal">

<Button

android:id="@+id/bt_register"

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"

android:text="注冊"/>

<Button

android:id="@+id/bt_login"

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"

android:text="登錄"/>

</LinearLayout>

</LinearLayout>Mactivityimport

android.support.v7.app.AppCompatActivity;

import

android.os.Bundle;

import

android.view.View;

import

android.widget.Button;

import

android.widget.EditText;

import

com.bwei.mvps.presenter.UserPresenter;

import

com.bwei.mvps.view.UserView;

public

class

MainActivity

extends

AppCompatActivity

implements

View.OnClickListener,

UserView

{

private

EditText

et_id;

private

EditText

et_first_name;

private

EditText

et_last_name;

private

Button

bt_login;

private

Button

bt_register;

private

UserPresenter

userPresenter;

@Override

protected

void

onCreate(Bundle

savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

//找控件

et_id

=

(EditText)

findViewById(R.id.et_id);

et_first_name

=

(EditText)

findViewById(R.id.et_first_name);

et_last_name

=

(EditText)

findViewById(R.id.et_last_name);

bt_login

=

(Button)

findViewById(R.id.bt_login);

bt_register

=

(Button)

findViewById(R.id.bt_register);

bt_login.setOnClickListener(this);

bt_register.setOnClickListener(this);

//聲明UserPresenter

userPresenter

=

new

UserPresenter(this);

}

@Override

public

void

onClick(View

view)

{

switch

(view.getId())

{

case

R.id.bt_register://保存數(shù)據(jù)

userPresenter.saveUser(getId(),

getFirstName(),

getLastName());

break;

case

R.id.bt_login:

userPresenter.find(getId());

break;

}

}

@Override

public

void

setFirstName(String

firstName)

{

et_first_name.setText(firstName);

}

@Override

public

void

setLastName(String

lastName)

{

et_last_name.setText(lastName);

}

@Override

public

int

getId()

{

return

new

Integer(et_id.getTex