CODEWITHSUNDEEP
iphone
iXcoder
iXcoder

Reputation: 1564

iphone, how to play sound even in silent or mute mode?

as topic... is it possible ?

Thanks

again, I have attached the code as follows, please check which step is wrong .thanks.

    //@step
AudioSessionInitialize (NULL, NULL, NULL, NULL);
AudioSessionSetActive(true);
UInt32 sessionCategory =   kAudioSessionCategory_MediaPlayback;
OSStatus error = AudioSessionSetProperty (kAudioSessionProperty_AudioCategory,                                            sizeof(sessionCategory),&sessionCategory);

if (error) 
    printf("ERROR AudioSessionSetProperty ! %d\n", error);

//@step 
NSString* filePath = @"AlarmClockBell.caf";
[Util restoreResourceFile:filePath];
filePath =[Util getFileFullPathFromSysDoc:filePath];
NSURL *soundFileURL = [NSURL fileURLWithPath:filePath];   
NSError* error ;
AVAudioPlayer * audioPalyer = [[AVAudioPlayer alloc] initWithContentsOfURL: soundFileURL error: &error];
if (nil == audioPalyer) 
{
    AppTrace3(self, @"Faild to play", soundFileURL, error);
    return FALSE;
}
[audioPalyer prepareToPlay];
[audioPalyer setVolume: 5 ];
[audioPalyer setDelegate: self];
 audioPalyer.numberOfLoops = 10;

[audioPalyer play];

thanks...

Upvotes: 3

Views: 6688

Answers (3)

Rich
Rich

Reputation: 7796

As of iOS 6, there is an alternative method that's more compact than Ramin's answer.

#import <AVFoundation/AVFoundation.h>

[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback
                                       error:nil];

To allow background audio from other apps to continue playing, add the AVAudioSessionCategoryOptionMixWithOthers option:

[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback
                                 withOptions:AVAudioSessionCategoryOptionMixWithOthers
                                       error:nil];

There's further details in Apple's AVAudioSession Class Reference.

Upvotes: 1

Ramin
Ramin

Reputation: 13433

If you look in the docs under Audio Session Categories, you'll find a number of modes that you can set to tell the system how your app plans to use audio. The default is AVAudioSessionCategorySoloAmbient which tracks the ring/silent switch and the screen lock.

To have your app ignore the ring/silent switch settings, you could try changing the category:

#import <AudioToolbox/AudioToolbox.h>

AudioSessionInitialize (NULL, NULL, NULL, NULL);
AudioSessionSetActive(true);

UInt32 sessionCategory = kAudioSessionCategory_MediaPlayback;
AudioSessionSetProperty (kAudioSessionProperty_AudioCategory, 
                         sizeof(sessionCategory),&sessionCategory);

If you want to allow iPod audio to continue playing in the background, you'll also want to check kAudioSessionProperty_OverrideCategoryMixWithOthers.

Upvotes: 6

Paul
Paul

Reputation: 2759

It must be, there's been a couple games I've had which (even when its in mute mode) will play sound. Unfortunately this was discovered whilst attempting to play games covertly in class.

As to how to actually do it, I really don't have any idea.

Upvotes: 0

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