Java tutorial
/* * Copyright (C) 2015 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.task.ui.mvp.tasks; import android.os.Bundle; import android.support.annotation.VisibleForTesting; import android.support.test.espresso.IdlingResource; import android.support.v4.app.Fragment; import com.common.ui.util.EspressoIdlingResource; import com.task.domain.usecase.filter.TasksFilterType; import com.task.ui.R; import com.task.ui.mvp.TaskDrawerBaseActivity; import com.task.ui.mvp.statistics.StatisticsActivity; import javax.inject.Inject; public class TasksActivity extends TaskDrawerBaseActivity { private static final String CURRENT_FILTERING_KEY = "CURRENT_FILTERING_KEY"; @Inject TasksPresenter presenter; @Override protected int getLayoutResourceId() { return R.layout.tasks_act; } @Override protected Fragment newFragmentInstance() { return TasksFragment.newInstance(); } @Override protected void onFragmentAddAfter(Fragment fragment) { if (fragment instanceof TasksContract.View) { TasksContract.View view = (TasksContract.View) fragment; // Create the presenter DaggerTasksComponent.builder().tasksRepositoryComponent(getTasksRepositoryComponent()) .tasksPresenterModule(new TasksPresenterModule(view)).build().inject(this); } else { throw new IllegalStateException("Invalid TasksContract.View instance"); } } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); // Load previously saved state, if available. if (savedInstanceState != null) { TasksFilterType currentFiltering = (TasksFilterType) savedInstanceState .getSerializable(CURRENT_FILTERING_KEY); presenter.setFiltering(currentFiltering); } } @Override public void onSaveInstanceState(Bundle outState) { outState.putSerializable(CURRENT_FILTERING_KEY, presenter.getFiltering()); super.onSaveInstanceState(outState); } @Override protected void invokeNavigationItem(int itemId) { if (itemId == R.id.list_navigation_menu_item) { // Do nothing, we're already on that screen } else if (itemId == R.id.statistics_navigation_menu_item) { startActivity(StatisticsActivity.class); } else { } } @VisibleForTesting public IdlingResource getCountingIdlingResource() { return EspressoIdlingResource.getIdlingResource(); } }