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/*
* Copyright (C) 2018 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.android.launcher3.util;
import static android.database.sqlite.SQLiteDatabase.NO_LOCALIZED_COLLATORS;
import android.content.Context;
import android.content.ContextWrapper;
import android.database.DatabaseErrorHandler;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteDatabase.OpenParams;
import android.database.sqlite.SQLiteOpenHelper;
import android.os.Build;
/**
* Extension of {@link SQLiteOpenHelper} which avoids creating default locale table by
* A context wrapper which creates databases without support for localized collators.
*/
public abstract class NoLocaleSQLiteHelper extends SQLiteOpenHelper {
private static final boolean ATLEAST_P =
Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
public NoLocaleSQLiteHelper(Context context, String name, int version) {
super(ATLEAST_P ? context : new NoLocalContext(context), name, null, version);
if (ATLEAST_P) {
setOpenParams(new OpenParams.Builder().addOpenFlags(NO_LOCALIZED_COLLATORS).build());
}
}
private static class NoLocalContext extends ContextWrapper {
public NoLocalContext(Context base) {
super(base);
}
@Override
public SQLiteDatabase openOrCreateDatabase(
String name, int mode, CursorFactory factory, DatabaseErrorHandler errorHandler) {
return super.openOrCreateDatabase(
name, mode | Context.MODE_NO_LOCALIZED_COLLATORS, factory, errorHandler);
}
}
}
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