我曾与DBFlow合作过,这很容易在数据库中播放,但我想问一下是否有一个很好的示例将SQLCipher与DBFlow一起使用

我已点击此链接寻求帮助

Raizlabs/DBFlow

但是,如果有人可以提供一些简单的示例,将对使用简单的步骤创建安全的数据库应用程序非常有帮助。

最佳答案

由ConductedClever链接的用法文档看起来并不多,但这实际上几乎是您所需要的。除了一些可以提及的细节:

我必须在build.gradle中将@aar添加到dbflow-cipher依赖项中,以使其首先通过gradle:

// build.gradle
def dbflow_version = "3.1.1"
def sqlcipher_version = "3.5.4"

dependencies {
  annotationProcessor "com.github.Raizlabs.DBFlow:dbflow-processor:${dbflow_version}"
  compile "com.github.Raizlabs.DBFlow:dbflow-core:${dbflow_version}"
  compile "com.github.Raizlabs.DBFlow:dbflow:${dbflow_version}"
  compile "com.github.Raizlabs.DBFlow:dbflow-sqlcipher:${dbflow_version}@aar"
  compile "net.zetetic:android-database-sqlcipher:${sqlcipher_version}@aar"
}

将密码 secret 更改为首选:

// SQLCipherHelperImpl.java
public class SQLCipherHelperImpl extends SQLCipherOpenHelper {

  public SQLCipherHelperImpl(DatabaseDefinition databaseDefinition, DatabaseHelperListener listener) {
    super(databaseDefinition, listener);
  }

  @Override
  protected String getCipherSecret() {
    return "your-cipher-secret";
  }
}

如果遵循dbflow getting started guide并且数据库名为AppDatabase,则在初始化DBFlow时应将此类传递给new DatabaseConfig.Builder(AppDatabase.class):

// AppDatabase.java
@Database(name = AppDatabase.NAME, version = AppDatabase.VERSION)
public class AppDatabase {

  public static final String NAME = "AppDatabase";

  public static final int VERSION = 1;
}

// DatabaseApplication.java
public class DatabaseApplication extends Application {
  @Override
  public void onCreate() {
    super.onCreate();
    FlowManager.init(new FlowConfig.Builder(this)
      .addDatabaseConfig(
        new DatabaseConfig.Builder(AppDatabase.class)
          .openHelper(new DatabaseConfig.OpenHelperCreator() {
            @Override
            public OpenHelper createHelper(DatabaseDefinition databaseDefinition, DatabaseHelperListener helperListener) {
              return new SQLCipherHelperImpl(databaseDefinition, helperListener);
            }
          })
          .build())
      .build());
  }
}

导出数据库并尝试在SQLite客户端中打开它。现在这应该会由于加密原因而失败。

关于SQLCipher和DBFlow,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/37939513/

10-12 02:32