net.zetetic:android-database-sqlcipher 是一个为 Android 平台提供的 SQLCipher 库。SQLCipher 是一个开源的 SQLite 扩展,它增加了透明的 256 位 AES 加密功能,用于保护数据库文件中的数据。通过使用 SQLCipher,开发者可以在不改变应用程序其余部分的情况下,确保存储在 SQLite 数据库中的敏感信息是加密的。
at net.sqlcipher.database.SQLiteDatabase.openDatabaseInternal(SQLiteDatabase.java:2599) at net.sqlcipher.database.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1247) at net.sqlcipher.database.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1322) at net.sqlcipher.database.SQLiteOpenHelper.getWrita...
import net.sqlcipher.database.SQLiteOpenHelper; public class DatabaseHelper extends SQLiteOpenHelper { private static final String DATABASE_NAME = "mydatabase.db"; private static final int DATABASE_VERSION = 1; private static final String DATABASE_PASSWORD = "mypassword"; public DatabaseHelper(Conte...
net.sqlcipher.database.SQLiteException: file不是数据库:,编译时:从sqlite_master选择计数(*)本文来自...
问文件已加密或不是数据库(异常net.sqlcipher.database.SQLiteException)EN之前在安装Angular环境的时候有个问题,就是通过命令成功安装了angular cli脚手架工具,但是在终端(win+r cmd)中输入ng version一直提示的是'ng' 不是内部或外部命令,也不是可运行的程序或批处理文件,然后重复删除安装了多次都是一样,最后...
在使用greendao时,我们会在日志中看到didn't find class "net.sqlcipher.database.SQLiteOpenHelper",这是由于greendao的安全机制所造成的,greendao建议我们将数据库进行加密,当然,如果你没有加密需求,可以忽略掉日志,这并不影响你使用greendao,如果你是强迫者患者,那你可以通过以下方式来解决。
java.lang.NullPointerException: Attempt to invoke virtual method 'void net.sqlcipher.database.SQLiteDatabase.endTransaction()' on a null object reference。 在保证SQLite代码处理正确的情况下,那么也需要你添加存储的读写权限试试,因为安卓版本问题,6.0以上需要添加动态权限请求(Manifest.permission.READ_EXTERNAL...
SQLiteOpenHelper.this.onUpgrade(wrap(db),oldVersion,newVersion); }@OverridepublicvoidonOpen(net.sqlcipher.database.SQLiteDatabasedb) {MyEncryptedSQLiteOpenHelper.this.onOpen(wrap(db)); }protectedDatabasewrap(net.sqlcipher.database.SQLiteDatabasesqLiteDatabase) {returnnewEncryptedDatabase(sqLiteDatabase)...
{super(context,name,null,version);if(loadLibs) {net.sqlcipher.database.SQLiteDatabase.loadLibs(context); } }@OverridepublicvoidonCreate(net.sqlcipher.database.SQLiteDatabasedb) {MyEncryptedSQLiteOpenHelper.this.onCreate(wrap(db)); }@OverridepublicvoidonUpgrade(net.sqlcipher.database.SQLiteDatabasedb...
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