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package com.android.launcher3.util;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import com.android.launcher3.LauncherProvider;
/**
* An extension of LauncherProvider backed up by in-memory database.
*/
public class TestLauncherProvider extends LauncherProvider {
@Override
public boolean onCreate() {
return true;
}
@Override
protected synchronized void createDbIfNotExists() {
if (mOpenHelper == null) {
mOpenHelper = new MyDatabaseHelper(getContext());
}
}
public SQLiteDatabase getDb() {
createDbIfNotExists();
return mOpenHelper.getWritableDatabase();
}
@Override
protected void notifyListeners() { }
private static class MyDatabaseHelper extends DatabaseHelper {
public MyDatabaseHelper(Context context) {
super(context, null, null);
initIds();
}
@Override
public long getDefaultUserSerial() {
return 0;
}
@Override
protected void onEmptyDbCreated() { }
@Override
protected void handleOneTimeDataUpgrade(SQLiteDatabase db) { }
}
}
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