/
MainActivity.java
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/
MainActivity.java
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/*
* 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 io.material.catalog.main;
import io.material.catalog.R;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import com.google.common.base.Optional;
import dagger.BindsOptionalOf;
import dagger.android.ContributesAndroidInjector;
import io.material.catalog.application.scope.ActivityScope;
import io.material.catalog.feature.FeatureDemoUtils;
import io.material.catalog.feature.OnBackPressedHandler;
import io.material.catalog.internal.InternalOptionsMenuPresenter;
import io.material.catalog.preferences.BaseCatalogActivity;
import io.material.catalog.preferences.ThemeOverlayUtils;
import io.material.catalog.tableofcontents.TocFragment;
import io.material.catalog.tableofcontents.TocModule;
import io.material.catalog.windowpreferences.WindowPreferencesManager;
import javax.inject.Inject;
/**
* The main launcher activity for the Catalog, capable of displaying a number of different screens
* via Fragments.
*/
public class MainActivity extends BaseCatalogActivity {
@Inject Optional<InternalOptionsMenuPresenter> internalOptionsMenu;
TocFragment tocFragment;
@Override
protected void onCreate(Bundle savedInstanceState) {
ThemeOverlayUtils.applyThemeOverlays(this);
super.onCreate(savedInstanceState);
WindowPreferencesManager windowPreferencesManager = new WindowPreferencesManager(this);
windowPreferencesManager.applyEdgeToEdgePreference(getWindow());
setContentView(R.layout.cat_main_activity);
if (savedInstanceState == null) {
tocFragment = new TocFragment();
getSupportFragmentManager().beginTransaction().add(R.id.container, tocFragment).commit();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
if (internalOptionsMenu.isPresent()) {
MenuInflater inflater = getMenuInflater();
internalOptionsMenu.get().onCreateOptionsMenu(menu, inflater);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Let the fragment handle options first
Fragment currentFragment = FeatureDemoUtils.getCurrentFragment(this);
if (currentFragment != null && currentFragment.onOptionsItemSelected(item)) {
return true;
}
if (item.getItemId() == android.R.id.home) {
onBackPressed();
return true;
}
if (internalOptionsMenu.isPresent()) {
internalOptionsMenu.get().onOptionsItemSelected(item);
}
return super.onOptionsItemSelected(item);
}
@Override
public void onBackPressed() {
if (handleFragmentOnBackPressed()) {
return;
}
super.onBackPressed();
}
@Override
public boolean isPreferencesEnabled() {
return true;
}
private boolean handleFragmentOnBackPressed() {
Fragment currentFragment = FeatureDemoUtils.getCurrentFragment(this);
return currentFragment instanceof OnBackPressedHandler
&& ((OnBackPressedHandler) currentFragment).onBackPressed();
}
/** The Dagger module for {@link MainActivity} dependencies */
@dagger.Module
public abstract static class Module {
@ActivityScope
@ContributesAndroidInjector(modules = {TocModule.class})
abstract MainActivity contributeMainActivity();
@BindsOptionalOf
abstract InternalOptionsMenuPresenter optionalInternalOptionsMenu();
}
}