Sunny Goyal
59 lines
2.2 KiB
Java
59 lines
2.2 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.util;
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import static android.database.sqlite.SQLiteDatabase.NO_LOCALIZED_COLLATORS;
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import android.content.Context;
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import android.content.ContextWrapper;
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import android.database.DatabaseErrorHandler;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteDatabase.CursorFactory;
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import android.database.sqlite.SQLiteDatabase.OpenParams;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.os.Build;
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/**
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* Extension of {@link SQLiteOpenHelper} which avoids creating default locale table by
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* A context wrapper which creates databases without support for localized collators.
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*/
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public abstract class NoLocaleSQLiteHelper extends SQLiteOpenHelper {
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private static final boolean ATLEAST_P =
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Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
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public NoLocaleSQLiteHelper(Context context, String name, int version) {
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super(ATLEAST_P ? context : new NoLocalContext(context), name, null, version);
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if (ATLEAST_P) {
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setOpenParams(new OpenParams.Builder().addOpenFlags(NO_LOCALIZED_COLLATORS).build());
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}
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}
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private static class NoLocalContext extends ContextWrapper {
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public NoLocalContext(Context base) {
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super(base);
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}
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@Override
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public SQLiteDatabase openOrCreateDatabase(
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String name, int mode, CursorFactory factory, DatabaseErrorHandler errorHandler) {
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return super.openOrCreateDatabase(
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name, mode | Context.MODE_NO_LOCALIZED_COLLATORS, factory, errorHandler);
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}
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}
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}
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