[置顶] 34.Android MVC框架 - Robotlegs4Androird
34.Android MVC框架 - Robotlegs4Androird
- Android MVC框架 - Robotlegs4Androird
- Android 耦合的MVC
- Robotlegs4Android MVC
- Robotlegs4Android Gradle
- Robotlegs4Android Github
- Robotlegs4Android Model
- Robotlegs4Android View
- Robotlegs4Android Activity
- Robotlegs4Android Fragment
- Robotlegs4Androird Event
- Robotlegs4Android Controller
- Robotlegs4Android Context
- Robotlegs4Android Application
- Event View to Controller
- Event Model to Controller
- Event Model to View
- Event Controller to View
Android 耦合的MVC
说到Android上的MVC，还真的不好区分。很多时候都是这样的，View层和Controller层总是傻傻分不清楚。
Model层显而易见的是各种bean（实体），配上 gson 或者 fastjson 解析网络请求回来的json，生成各种实例。
但是，在View层的 Activity 或 Fragment 上，虽然有View层的理念，避免不了很多Controller层的业务过度耦合在View层。
总结得出，View层（Activity、Fragment）除了自身的生命周期回调方法（onCreate、onStart … 等）外，还掺杂了各种Controller业务（直接操作Model、DB操作 … 等）
反正就是，各种乱七八糟的东西都放在Activity 或 Fragment，各种难看，各种耦合。
在这种情况下，衍生出了 MVP 和 MVVM 。现在主流的还是MVP，MVVM目前在Android上还不成熟，还处于测试阶段。
Robotlegs4Android MVC
这是Robotlegs4Android 的 MVC 流程图。
- EventDispatcher 完成各层之间的通信。
- Mediator 代理 View 层的业务，View层只显示简单的生命周期回调方法。
- Command 作为 Controller 层，对 View 传过来的业务进行相应处理。
- Actor 作为 Model 层，为 Command 提供 DB 的请求（SQLite 或 网络请求）。
![[置顶] 34.Android MVC框架 - Robotlegs4Androird_第1张图片](http://img.e-com-net.com/image/info5/736388f18d904a1284a0d087f1921c73.jpg)
Robotlegs4Android Gradle
dependencies { compile 'com.camnter.robotlegs4android:robotlegs4android:0.8' }Robotlegs4Android Github
Robotlegs4Android
Robotlegs4Android Model
extends Actor
定义一个Robotlegs4Android Model对象，只需要继承 Actor 即可。
UserModel
public class UserModel extends Actor {
public void login(String name,String password) {
// TODO Do you want to network requests
}
public boolean logout(){
// TODO Do you want to network requests
return true;
}
}User
public class User implements Serializable {
public String name;
public String sign;
}Robotlegs4Android View
- Robotlegs4Android Activity
- Robotlegs4Android Fragment
Robotlegs4Android Activity
- 如果你这个Activity不需要Fragment。
extends RobotlegsActivity。 - 如果你这个Activity需要Fragment。
extends RobotlegsFragmentActivity。
MainActivity （看起来真的很简单）
public class MainActivity extends RobotlegsFragmentActivity {
/** * Please set the fragment layout id * 请设置Fragment的布局Id * * @return */
@Override
public int getLayoutId() {
return R.layout.activity_main;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
}MainActivityMediator（这里处理Activity要做的事情）
public class MainActivityMediator extends Mediator {
private static final String TAG = "MainActivityMediator";
private MainActivity activity;
private TabLayout tabLayout;
private ViewPager viewPager;
/** * {@inheritDoc} * {@linkplain IMediator #onRegister} */
@Override
public void onRegister() {
this.activity = (MainActivity) this.getViewComponent();
this.initViews();
this.initData();
}
private void initViews() {
this.tabLayout = (TabLayout) this.activity.findViewById(R.id.tab_layout_tl);
this.viewPager = (ViewPager) this.activity.findViewById(R.id.view_pager_vp);
}
private void initData() {
String[] tabTitles = {"ONE", "TWO", "THR", "FOU"};
Fragment[] fragments = {
TabLayoutFirstFragment.getInstance(),
TabLayoutSecondFragment.getInstance(),
TabLayoutThirdFragment.getInstance(),
TabLayoutFourthFragment.getInstance()
};
MainActivityAdapter adapter = new MainActivityAdapter(this.activity.getSupportFragmentManager(), fragments, tabTitles);
this.viewPager.setAdapter(adapter);
this.tabLayout.setupWithViewPager(this.viewPager);
}
}Robotlegs4Android Fragment
extends RobotlegsFragment
TabLayoutFirstFragment（看起来真的很简单）
public class TabLayoutFirstFragment extends RobotlegsFragment {
private static TabLayoutFirstFragment instance;
private TabLayoutFirstFragment() {
}
public static TabLayoutFirstFragment getInstance() {
if (instance == null) instance = new TabLayoutFirstFragment();
return instance;
}
/** * Please set the fragment layout id * 请设置Fragment的布局Id * * @return */
@Override
public int getLayoutId() {
return R.layout.tablayout_first_fragment;
}
}TabLayoutFirstFragmentMediator（这里处理Fragment要做的事情）
public class TabLayoutFirstFragmentMediator extends Mediator implements View.OnClickListener {
public TabLayoutFirstFragment fragment;
public FragmentActivity activity;
private Button firstBT;
private TextView firstTV;
private ImageView firstIV;
private TextView controllerTV;
/** * {@inheritDoc} * {@linkplain IMediator #onRegister} */
@Override
public void onRegister() {
this.fragment = (TabLayoutFirstFragment) this.getViewComponent();
this.activity = this.fragment.getActivity();
this.initViews();
this.initData();
}
private void initViews() {
this.firstBT = (Button) this.fragment.self.findViewById(R.id.first_bt);
this.firstTV = (TextView) this.fragment.self.findViewById(R.id.first_tv);
this.firstIV = (ImageView) this.fragment.self.findViewById(R.id.first_iv);
this.controllerTV = (TextView) this.fragment.self.findViewById(R.id.first_controller_tv);
}
private void initData() {
this.firstTV.setText("The ONE created by robotlegs4android frame");
}
/** * Called when a view has been clicked. * * @param v The view that was clicked. */
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.first_bt: {
}
}
}
}Robotlegs4Androird Event
extends com.camnter.robotlegs4android.base.Event
为了各个层之间的通信，定义一个Event类型。
LoginEvent
public class LoginEvent extends Event {
public static final String USER_LOGIN = "user_login";
public static final String USER_LOGOUT = "user_logout";
public static final String USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER = "user_login_success_from_model_to_controller";
public static final String USER_LOGIN_SUCCESS_FROM_MODEL_TO_VIEW = "user_login_success_from_model_to_view";
public static final String USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW = "user_login_success_from_controller_to_view";
public String name;
public String password;
public User user;
public LoginEvent(String type) {
super(type);
}
}Robotlegs4Android Controller
extends Command
有了通讯，自然也要有Controller去处理，发向Controller的事件。
Login
public class Login extends Command {
private static final String TAG = "Login";
@Inject
public UserModel userModel;
@Inject
public LoginEvent event;
/** * TODO - The Command subclass must inherit the execute method * 备忘录 - Command子类必须继承execute方法 */
@Override
public void execute() {
switch (event.getType()) {
case LoginEvent.USER_LOGIN: {
userModel.login(event.name, event.password);
break;
}
case LoginEvent.USER_LOGOUT: {
userModel.logout();
break;
}
case LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER: {
break;
}
}
}
!!!!!! Robotlegs4Android Context
extends com.camnter.robotlegs4android.mvcs.Context
必须定义一个com.camnter.robotlegs4android.mvcs.Context
- 1.为了配置View和对应Mediator。
- 2.为了单例注入Model（Actor）。
- 3.为了配置传入Controller（Command）的事件。
MainContext
public class MainContext extends Context {
public MainContext(Object contextView, Boolean autoStartup) {
super(contextView, autoStartup);
}
/** * set your mvc relation * 设置你的mvc关系 * <p/> * Add the view map * Link the View and View the corresponding Mediator * 添加view映射 * 将View 和 View 对应的 Mediator 联系起来 * <p/> * Injection as an singleton, instantiate the singleton * 注入实例，实例化单例 * <p/> * Add Event (Event) with the connection of the Command * 添加事件（Event）与Command的联系 */
@Override
public void setMvcRelation() {
/* * view映射 * 将View 和 View 对应的 Mediator 联系起来 * Add the view map * Link the View and View the corresponding Mediator */
this.getMediatorMap().mapView(MainActivity.class, MainActivityMediator.class, null, true, true);
this.getMediatorMap().mapView(TabLayoutFirstFragment.class, TabLayoutFirstFragmentMediator.class, null, true, true);
this.getMediatorMap().mapView(TabLayoutSecondFragment.class, TabLayoutSecondFragmentMediator.class, null, true, true);
this.getMediatorMap().mapView(TabLayoutThirdFragment.class, TabLayoutThirdFragmentMediator.class, null, true, true);
this.getMediatorMap().mapView(TabLayoutFourthFragment.class, TabLayoutFourthFragmentMediator.class, null, true, true);
/* * 注入实现 实例化单例 * Injection as an singleton, instantiate the singleton */
this.getInjector().mapSingleton(UserModel.class, "");
/* * 添加事件与Command的联系 * Add Event (Event) with the connection of the Command */
this.getCommandMap().mapEvent(LoginEvent.USER_LOGIN, Login.class,
null, false);
this.getCommandMap().mapEvent(LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER, Login.class, null, false);
}
}!!!!!! Robotlegs4Android Application
extends RobotlegsApplication
必须定义一个Robotlegs4Android Application去初始化，对应的Robotlegs4Android Context
MainApplication
public class MainApplication extends RobotlegsApplication {
private static MainApplication ourInstance = new MainApplication();
public static MainApplication getInstance() {
return ourInstance;
}
/** * Please write your custom robotlegs4android context * 请填写你自定义的robotlegs4android context * TODO After write your custom robotlegs4android context, please don't call this method * TODO 填写完你自定义的robotlegs4android context后，请不要调用此方法 * * @return */
@Override
protected Context getMvcContextInstance() {
return new MainContext(this, true);
}
/** * Called when the application is starting, before any activity, service, * or receiver objects (excluding content providers) have been created. * Implementations should be as quick as possible (for example using * lazy initialization of state) since the time spent in this function * directly impacts the performance of starting the first activity, * service, or receiver in a process. * If you override this method, be sure to call super.onCreate(). */
@Override
public void onCreate() {
super.onCreate();
if (ourInstance == null) ourInstance = this;
}
}AndroidManifest.xml
<application android:name="com.camnter.robotlegs4android.test.application.MainApplication" android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme">
<activity android:name=".view.activity.MainActivity" android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>Event View to Controller
TabLayoutFirstFragmentMediator 发送一个LoginEvent.USER_LOGIN的LoginEvent。
/** * Called when a view has been clicked. * * @param v The view that was clicked. */
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.first_bt: {
/* * you can send a your custom event from Model layer to Controller layer,and the * frame will search the event configuration from your custom context * 你可以发送一个你自定义的事件从Model层到Controller层，并且框架会去你自定义的context搜索 * 这个事件的配置 */
LoginEvent loginEvent = new LoginEvent(LoginEvent.USER_LOGIN);
loginEvent.name = "CaMnter";
loginEvent.password = "Save you from anything";
this.dispatch(loginEvent);
}
}
}MainContext 设置了LoginEvent.USER_LOGIN事件的去向的Controller。
this.getCommandMap().mapEvent(LoginEvent.USER_LOGIN, Login.class,
null, false);Login 的execute()方法能拿到LoginEvent.USER_LOGIN事件。
@Inject
public LoginEvent event;
/** * TODO - The Command subclass must inherit the execute method * 备忘录 - Command子类必须继承execute方法 */
@Override
public void execute() {
switch (event.getType()) {
case LoginEvent.USER_LOGIN: {
userModel.login(event.name, event.password);
break;
}
case LoginEvent.USER_LOGOUT: {
userModel.logout();
break;
}
case LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER: {
Log.i(TAG, "This Login Controller know the user login success");
/* * send an USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW type of event to View layer * 发送一个USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW类型的事件到View层 */
this.dispatch(new LoginEvent(LoginEvent.USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW));
break;
}
}
}Event Model to Controller
UserModel 的login(String name,String password)方法发送一个LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER的LoginEvent。
public void login(String name,String password) {
// TODO Do you want to network requests
User user = new User();
user.name = "CaMnter";
user.sign = "Save you from anything";
/* * you can send a your custom event from Model layer to Controller layer * 你可以发送一个你自定义的事件从Model层到Controller层 */
this.dispatch(new LoginEvent(LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER));
}Event Model to View
UserModel 的login(String name,String password)方法再发送一个LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_VIEW的LoginEvent。
public void login(String name,String password) {
// TODO Do you want to network requests
User user = new User();
user.name = "CaMnter";
user.sign = "Save you from anything";
/* * you can send a your custom event from Model layer to View layer * 你可以发送一个你自定义的事件从Model层到View层 */
LoginEvent loginEvent = new LoginEvent(LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_VIEW);
loginEvent.user = user;
this.dispatch(loginEvent);
/* * you can send a your custom event from Model layer to Controller layer * 你可以发送一个你自定义的事件从Model层到Controller层 */
this.dispatch(new LoginEvent(LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER));
}Mediator.getEventMap().mapListener(IEventDispatcher dispatcher, String type,IListener listener, Class<?> eventClass, Boolean useCapture,int priority, Boolean useWeakReference)
TabLayoutFirstFragmentMediator 添加对LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_VIEW类型的LoginEvent的监听。
*/
@Override
public void onRegister() {
this.fragment = (TabLayoutFirstFragment) this.getViewComponent();
this.activity = this.fragment.getActivity();
this.initViews();
this.initData();
this.initListeners();
}
private void initViews() {
this.firstBT = (Button) this.fragment.self.findViewById(R.id.first_bt);
this.firstTV = (TextView) this.fragment.self.findViewById(R.id.first_tv);
this.firstIV = (ImageView) this.fragment.self.findViewById(R.id.first_iv);
this.controllerTV = (TextView) this.fragment.self.findViewById(R.id.first_controller_tv);
}
private void initData() {
this.firstTV.setText("The ONE created by robotlegs4android frame");
}
private void initListeners() {
this.firstBT.setOnClickListener(this);
/* * listening your custom event（such as listening to an USER_LOGIN_SUCCESS type of LoginEvent） * listening from Model layer to View layer in here * 监听你的自定义事件（例如监听一个USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER_AND_VIEW类型的LoginEvent） * 在这里监听从Model层到View层 */
this.getEventMap().mapListener(this.getEventDispatcher(), LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_VIEW, new Listener() {
/** * {@inheritDoc} * <p/> * {@linkplain IListener #onHandle} * * @param event */
@Override
public void onHandle(Event event) {
if (event instanceof LoginEvent) {
TabLayoutFirstFragmentMediator.this.firstIV.setVisibility(View.VISIBLE);
}
}
}, null,
false, 0, true);
}Event Controller to View
Login 发送一个LoginEvent.USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW类型的LoginEvent。
/** * TODO - The Command subclass must inherit the execute method * 备忘录 - Command子类必须继承execute方法 */
@Override
public void execute() {
switch (event.getType()) {
case LoginEvent.USER_LOGIN: {
userModel.login(event.name, event.password);
break;
}
case LoginEvent.USER_LOGOUT: {
userModel.logout();
break;
}
case LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER: {
Log.i(TAG, "This Login Controller know the user login success");
/* * send an USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW type of event to View layer * 发送一个USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW类型的事件到View层 */
this.dispatch(new LoginEvent(LoginEvent.USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW));
break;
}
}
}Mediator.getEventMap().mapListener(IEventDispatcher dispatcher, String type,IListener listener, Class<?> eventClass, Boolean useCapture,int priority, Boolean useWeakReference)
TabLayoutFirstFragmentMediator 再添加一个对LoginEvent.USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW类型的LoginEvent的监听。
/** * {@inheritDoc} * {@linkplain IMediator #onRegister} */
@Override
public void onRegister() {
this.fragment = (TabLayoutFirstFragment) this.getViewComponent();
this.activity = this.fragment.getActivity();
this.initViews();
this.initData();
this.initListeners();
}
private void initViews() {
this.firstBT = (Button) this.fragment.self.findViewById(R.id.first_bt);
this.firstTV = (TextView) this.fragment.self.findViewById(R.id.first_tv);
this.firstIV = (ImageView) this.fragment.self.findViewById(R.id.first_iv);
this.controllerTV = (TextView) this.fragment.self.findViewById(R.id.first_controller_tv);
}
private void initData() {
this.firstTV.setText("The ONE created by robotlegs4android frame");
}
private void initListeners() {
this.firstBT.setOnClickListener(this);
/* * listening your custom event（such as listening to an USER_LOGIN_SUCCESS type of LoginEvent） * listening from Model layer to View layer in here * 监听你的自定义事件（例如监听一个USER_LOGIN_SUCCESS_FROM_MODEL_TO_CONTROLLER_AND_VIEW类型的LoginEvent） * 在这里监听从Model层到View层 */
this.getEventMap().mapListener(this.getEventDispatcher(), LoginEvent.USER_LOGIN_SUCCESS_FROM_MODEL_TO_VIEW, new Listener() {
/** * {@inheritDoc} * <p/> * {@linkplain IListener #onHandle} * * @param event */
@Override
public void onHandle(Event event) {
if (event instanceof LoginEvent) {
TabLayoutFirstFragmentMediator.this.firstIV.setVisibility(View.VISIBLE);
}
}
}, null,
false, 0, true);
/* * listening your custom event（such as listening to an USER_LOGIN_SUCCESS type of LoginEvent） * listening from Controller layer to View layer in here * 监听你的自定义事件（例如监听一个USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW类型的LoginEvent） * 在这里监听从Controller层到View层 */
this.getEventMap().mapListener(this.getEventDispatcher(), LoginEvent.USER_LOGIN_SUCCESS_FROM_CONTROLLER_TO_VIEW, new Listener() {
/** * {@inheritDoc} * <p/> * {@linkplain IListener #onHandle} * * @param event */
@Override
public void onHandle(Event event) {
if (event instanceof LoginEvent) {
TabLayoutFirstFragmentMediator.this.controllerTV.setVisibility(View.VISIBLE);
}
}
}, null, false, 0, true);
}