Text to speech on iOS with private framework.

gistfile1.txt

// Not App Store safe. Only available in real devices.

#define RTLD_LAZY  0x1
#define RTLD_NOW	0x2
#define RTLD_LOCAL	0x4
#define RTLD_GLOBAL	0x8

NSObject *voiceSynthesizer;
void *voiceServices;

-(void) say:(NSString*)text {
	if (!voiceSynthesizer)
	{
	    NSString *vsLocation = @"/System/Library/PrivateFrameworks/VoiceServices.framework/VoiceServices";
	  	voiceServices = dlopen(vsLocation.UTF8String, RTLD_LAZY);
	    voiceSynthesizer = [NSClassFromString(@"VSSpeechSynthesizer") new];
	}
	[voiceSynthesizer performSelector:@selector(startSpeakingString:) withObject:text];
}

/*
@interface VSSpeechSynthesizer : NSObject
+ (id)availableLanguageCodes;
+ (BOOL)isSystemSpeaking;
- (id)startSpeakingString:(id)string;
- (id)startSpeakingString:(id)string toURL:(id)url;
- (id)startSpeakingString:(id)string toURL:(id)url withLanguageCode:(id)code;
- (float)rate; // default: 1
- (id)setRate:(float)rate;
- (float)pitch; // default: 0.5
- (id)setPitch:(float)pitch;
- (float)volume; // default: 0.8
- (id)setVolume:(float)volume;
@end
*/