I had that option before and the recent update messed all my settings up:( now I can't hide my texts. I don't want people at work seeing my texts. I have my phone locked but everyone still can read them. I also don't have the option hide preview which was there before!
In iOS 5, go to Settings > Notifications > Messages. Turn off 'View in Lock Screen'.
protected by bmike♦ Apr 17 at 2:32
Thank you for your interest in this question.
Because it has attracted low-quality answers, posting an answer now requires 10 reputation on this site.
Would you like to answer one of these unanswered questions instead?