/*
* Copyright 2017, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.camnter.newlife.core.fragment;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
/**
* Non-UI Fragment used to retain ViewModels.
*/
public class ViewModelHolder<VM> extends Fragment {
private VM vm;
public ViewModelHolder() { }
public static <M> ViewModelHolder createContainer(@NonNull M viewModel) {
ViewModelHolder<M> viewModelContainer = new ViewModelHolder<>();
viewModelContainer.setViewModel(viewModel);
return viewModelContainer;
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Nullable public VM getViewModel() {
return this.vm;
}
public void setViewModel(@NonNull VM vm) {
this.vm = vm;
}
}