//actvity fragment　基础库
implementation 'com.github.MJLblabla.hapiVm:base_frame:tag'
 // dialogfragment 基础库
implementation 'com.github.MJLblabla.hapiVm:happy_dialog:tag'

//如果不使用hapi组件的view(BaseVmActvity,BaseVmFragment,BaseVmDialogFragment)
implementation 'com.github.MJLblabla.hapiVm:happy_vm:tag'
//vm 注解 如果需要注解绑定 vm
kapt 'com.github.MJLblabla.hapiVm:vmBinding:tag'

　数据源层可以参考　点我点我

业务层vm 　 业务组件拆分，如登录业务，视频通话呼叫业务，视频通话房间业务，送礼物业务组件 　 相比于mvp中的p presenter需要定义大量interface ,presenter只为单页面服务，业务组件不考虑页面只考虑某个业务，业务逻辑处理需要跟新ui的地方通过livedate回调给ui 　 ui层 　　　ui一个页面可以依赖多个业务组件 　　　actvity:使用new 一个object依赖 　　　fragment和dialog: 　　　

enum class VmType(val type:Int) {
//以new 一个对象依赖
FROM_NEW(-1),
/***
 *  复用使用activity的对象 vm对象　，
 *   　ui发起业务处理　activity fragment都能感知到业务处理结果处理ui ,
 *     activity和fragment共享vm里的数据,
 *     activity和fragment之间通信
 */
FROM_ACTIVITY(0),
/**
 * 复用使用父fragment的对象 vm对象　，
 */
FROM_PARENT(1)

　 VM 某个业务组件 　　业务组件不以页面为单，以单一业务为单位 　　比如登录业务

class LoginVm(application: Application, bundle: Bundle?): BaseViewModel(application,bundle) {

val loginLiveData by lazy { MutableLiveData<User>() }

init {
    checkAutoLogin()
}


//检查是不是可以自动登录
private fun checkAutoLogin(){
    // load sp
    //...
    // get user  from sp
    val user = User(0)
    //show loading
    showLoadingCall?.invoke(true)
    // ....do auto login api and get userInfo
    loginLiveData.value = user
    showLoadingCall?.invoke(false)
}
/**
 * 账号密码登录
 */
fun loginByPwd(){
    //show loading
    showLoadingCall?.invoke(true)
    //
    val user = User(0)
    //从服务器获用户
    // ....do auto login api and get userInfo
    if(false){
        //提示一个弹窗
        showDialog("Login"){
            MyDialogFragment().apply {
                setDefaultListener(object : BaseDialogFragment.BaseDialogListener() {
                    override fun onDialogNegativeClick(dialog: DialogFragment, any: Any) {
                        super.onDialogNegativeClick(dialog, any)
                    }

                    override fun onDialogPositiveClick(dialog: DialogFragment, any: Any) {
                        super.onDialogPositiveClick(dialog, any)
                    }

                    override fun onDismiss(dialog: DialogFragment, any: Any) {
                        super.onDismiss(dialog, any)
                    }
                })
            }
        }
    }

    toast("登录成功")
    //保存　sp 用户信息
    // send to ui
    loginLiveData.value = user

    showLoadingCall?.invoke(false)

}

}

activity

class MainActivity : BaseVmActivity() {
/**
 * 某个业务组件
 */
@vm
lateinit var mTestVm:TestVm
/**
 * 登录业务组件
 */
@vm
lateinit var loginVm: LoginVm

//组合自己该页面需要的业务组件
//.....

override fun observeLiveData() {
    loginVm.loginLiveData.observe(this, Observer {
        //　登录成功　监听
    })

    mTestVm.testLiveData.observe(this, Observer {
        // 某个业务处理结果跟新ui
    })
}

override fun initViewData() {
    tvHelloWord.setOnClickListener {
        // 模拟处理某业务
        mTestVm.doBusiness()
    }
}

override fun getLayoutId(): Int {
    return R.layout.activity_main
}

override fun showLoading(toShow: Boolean) {
}

　 fragment

class MyFragment : BaseVmFragment() {

//使用　父fragment  vm对象　　和父fragment通信
@vm(vmType = VmType.FROM_PARENT)
lateinit var testVm: TestVm

//自己的vm
@vm(vmType = VmType.FROM_NEW)
lateinit var loginVm: LoginVm


override fun observeLiveData() {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}

override fun initViewData() {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}

override fun getLayoutId(): Int {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}

override fun showLoading(toShow: Boolean) {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}

dialogFragment

class MyDialogFragment : BaseVmDialogFragment() {

//使用　父fragment  vm对象　　和父fragment通信
@vm(vmType = VmType.FROM_PARENT)
lateinit var testVm: TestVm

//自己的vm
@vm(vmType = VmType.FROM_NEW)
lateinit var loginVm: LoginVm


override fun observeLiveData() {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}

override fun initViewData() {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}

override fun getViewLayoutId(): Int {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}

BaseVm

var mData: Bundle? = null
    private set

/**
 * 获取activity fm
 */
var getFragmentManagrCall: (() -> FragmentManager)? = null

/**
 * 回调showloading
 */
var showLoadingCall: ((show: Boolean) -> Unit)? = null

/**
 * 接受activity 回调
 */
var finishedActivityCall: (() -> Unit)? = null

constructor(application: Application) : super(application)
constructor(application: Application, data: Bundle?) : super(application) {
    mData = data
}


/**
 * 显示弹窗
 */
fun showDialog(tag: String, call: () -> DialogFragment) {
    getFragmentManagrCall?.invoke()?.let {
        call().show(it, tag)
    }
}


override fun onCleared() {
    super.onCleared()
    removeCall()
}
/**
 * 页面销毁
 */
private fun removeCall() {
    finishedActivityCall = null
    getFragmentManagrCall = null
    showLoadingCall = null
}

fun getAppContext(): Application {
    return getApplication<Application>()
}

fun toast(@StringRes msgRes: Int) {
    Toast.makeText(getAppContext(), getAppContext().resources.getString(msgRes), Toast.LENGTH_SHORT).show()
}

fun toast(msg: String?) {
    if (!TextUtils.isEmpty(msg)) {
        Toast.makeText(getAppContext(), msg, Toast.LENGTH_SHORT).show()
    }
}