/* * Copyright (C) 2016 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 android.arch.lifecycle.viewmodeltest; import android.arch.lifecycle.extensions.test.R; import android.os.Bundle; import android.support.annotation.Nullable; import android.arch.lifecycle.LifecycleActivity; import android.arch.lifecycle.LifecycleFragment; import android.arch.lifecycle.ViewModelProviders; public class ViewModelActivity extends LifecycleActivity { public static final String KEY_FRAGMENT_MODEL = "fragment-model"; public static final String KEY_ACTIVITY_MODEL = "activity-model"; public static final String FRAGMENT_TAG_1 = "f1"; public static final String FRAGMENT_TAG_2 = "f2"; public TestViewModel activityModel; public TestViewModel defaultActivityModel; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_view_model); if (savedInstanceState == null) { getSupportFragmentManager().beginTransaction() .add(R.id.fragment_container, new ViewModelFragment(), FRAGMENT_TAG_1) .add(new ViewModelFragment(), FRAGMENT_TAG_2) .commit(); } activityModel = ViewModelProviders.of(this).get(KEY_ACTIVITY_MODEL, TestViewModel.class); defaultActivityModel = ViewModelProviders.of(this).get(TestViewModel.class); } public static class ViewModelFragment extends LifecycleFragment { public TestViewModel fragmentModel; public TestViewModel activityModel; public TestViewModel defaultActivityModel; @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); fragmentModel = ViewModelProviders.of(this).get(KEY_FRAGMENT_MODEL, TestViewModel.class); activityModel = ViewModelProviders.of(getActivity()).get(KEY_ACTIVITY_MODEL, TestViewModel.class); defaultActivityModel = ViewModelProviders.of(getActivity()).get(TestViewModel.class); } } }