解决升级sqlcipher新旧数据库不兼容

Posted 2022-11-28 zhangmingcsdn

import android.content.Context;

import net.sqlcipher.database.SQLiteDatabase;
import net.sqlcipher.database.SQLiteDatabaseHook;

/**
 * 升级sqlcipher后出现新旧数据库兼容性问题时使用此类
 */
public class SqlcipherUpdateHook implements SQLiteDatabaseHook

    private Context context;
    private String dbname;

    public SqlcipherUpdateHook(Context context,String dbname)
        this.context=context;
        this.dbname=dbname;
   

    @Override
    public void preKey(SQLiteDatabase database)

   

    @Override
    public void postKey(SQLiteDatabase database)
        database.rawExecSQL("PRAGMA cipher_migrate;");//核心代码，最好只执行一次即可，每次启动时重复执行也没问题