Here you can find the source of getBlob(String columnName)
public byte[] getBlob(String columnName)
import android.database.CharArrayBuffer; import android.database.Cursor; import android.provider.BaseColumns; public class Main{ public static byte[] getBlob(Cursor cursor, String columnName) { return cursor.getBlob(cursor.getColumnIndex(columnName)); }/*w w w. j a va 2 s . co m*/ public byte[] getBlob(String columnName) { return getBlob(cursor, columnName); } }