/*
* Copyright 2022 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 androidx.appcompat.app;
import android.app.Service;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ServiceInfo;
import android.os.Build;
import android.os.IBinder;
import androidx.annotation.DoNotInline;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.core.os.LocaleListCompat;
/**
* A placeholder service to avoid adding application-level metadata. The service
* is only used to expose metadata defined in the library's manifest. It is
* never invoked.
*
* <p>This metadata boolean collected from the key "autoStoreLocales" is used as an opt-in from
* the developers to automatically store locales provided by them through the API
* {@link AppCompatDelegate#setApplicationLocales(LocaleListCompat)}.</p>
*/
public final class AppLocalesMetadataHolderService extends Service {
public AppLocalesMetadataHolderService() {}
@NonNull
@Override
public IBinder onBind(@SuppressWarnings("InvalidNullabilityOverride") @NonNull Intent intent) {
throw new UnsupportedOperationException();
}
/**
* Returns the {@link ServiceInfo} for the declared {@link AppLocalesMetadataHolderService}.
*
* <p>This serviceInfo contains the attribute "autoStoreLocales", its value being a boolean
* that informs us if the developer wants us to handle the storage of locales or not.</p>
*/
@NonNull
@SuppressWarnings("deprecation") // GET_DISABLED_COMPONENTS, getServiceInfo
public static ServiceInfo getServiceInfo(@NonNull Context context) throws
PackageManager.NameNotFoundException {
int flags = PackageManager.GET_META_DATA;
// The service is marked as disabled so we need to include the following flags.
if (Build.VERSION.SDK_INT >= 24) {
flags |= Api24Impl.getDisabledComponentFlag();
} else {
flags |= PackageManager.GET_DISABLED_COMPONENTS;
}
return context.getPackageManager().getServiceInfo(
new ComponentName(context, AppLocalesMetadataHolderService.class), flags);
}
@RequiresApi(24)
private static class Api24Impl {
@DoNotInline
static int getDisabledComponentFlag() {
return PackageManager.MATCH_DISABLED_COMPONENTS;
}
}
}