I have used this method in the past to detect if the silent switch

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Asked: May 26, 20262026-05-26T16:13:28+00:00 2026-05-26T16:13:28+00:00

I have used this method in the past to detect if the silent switch

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I have used this method in the past to detect if the silent switch is enabled:

- (BOOL)silenced {
    #if TARGET_IPHONE_SIMULATOR
    // return NO in simulator. Code causes crashes for some reason.
    return NO;
    #endif

    CFStringRef state;
    UInt32 propertySize = sizeof(CFStringRef);
    AudioSessionInitialize(NULL, NULL, NULL, NULL);
    AudioSessionGetProperty(kAudioSessionProperty_AudioRoute, &propertySize, &state);

    if(CFStringGetLength(state) > 0)
        return NO;
    else
        return YES;
}

This is no longer working in iOS5 on my iPad or iPhone. Is this a known issue? I haven’t been able to find any answers on stack overflow or Apple dev forums.

Hope you can help…