70 lines
1.9 KiB
Java
70 lines
1.9 KiB
Java
package com.azhon.basic.lifecycle;
|
||
|
||
import androidx.lifecycle.LifecycleOwner;
|
||
import androidx.lifecycle.MutableLiveData;
|
||
import androidx.lifecycle.Observer;
|
||
import androidx.lifecycle.ViewModel;
|
||
|
||
import com.azhon.basic.bean.DialogBean;
|
||
|
||
import io.reactivex.disposables.CompositeDisposable;
|
||
import io.reactivex.disposables.Disposable;
|
||
|
||
/**
|
||
* 项目名: TODO-MVVM
|
||
* 包名 com.azhon.basic.lifecycle
|
||
* 文件名: BaseViewModel
|
||
* 创建时间: 2019-03-27 on 10:44
|
||
* 描述: TODO ViewModel基类，管理rxJava发出的请求，ViewModel销毁同时也取消请求
|
||
*
|
||
* @author
|
||
*/
|
||
|
||
public abstract class BaseViewModel extends ViewModel {
|
||
|
||
/**
|
||
* 管理RxJava请求
|
||
*/
|
||
private CompositeDisposable compositeDisposable;
|
||
/**
|
||
* 用来通知 Activity／Fragment 是否显示等待Dialog
|
||
*/
|
||
protected DialogLiveData<DialogBean> showDialog = new DialogLiveData<>();
|
||
/**
|
||
* 当ViewModel层出现错误需要通知到Activity／Fragment
|
||
*/
|
||
protected MutableLiveData<Object> error = new MutableLiveData<>();
|
||
|
||
/**
|
||
* 添加 rxJava 发出的请求
|
||
*/
|
||
protected void addDisposable(Disposable disposable) {
|
||
if (compositeDisposable == null || compositeDisposable.isDisposed()) {
|
||
compositeDisposable = new CompositeDisposable();
|
||
}
|
||
compositeDisposable.add(disposable);
|
||
}
|
||
|
||
public void getShowDialog(LifecycleOwner owner, Observer<DialogBean> observer) {
|
||
showDialog.observe(owner, observer);
|
||
}
|
||
|
||
public void getError(LifecycleOwner owner, Observer<Object> observer) {
|
||
error.observe(owner, observer);
|
||
}
|
||
|
||
/**
|
||
* ViewModel销毁同时也取消请求
|
||
*/
|
||
@Override
|
||
protected void onCleared() {
|
||
super.onCleared();
|
||
if (compositeDisposable != null) {
|
||
compositeDisposable.dispose();
|
||
compositeDisposable = null;
|
||
}
|
||
showDialog = null;
|
||
error = null;
|
||
}
|
||
}
|