2014/10/15 下午 10:14:17

iphone Programming Glossary: somefloat

Changing the volume without a volume slider on an iphone

http://stackoverflow.com/questions/3458965/changing-the-volume-without-a-volume-slider-on-an-iphone

they play their sound. If it's an AVAudioPlayer object you'd create the object and use theAudioPlayerObject setVolume someFloat where someFloat is a value between 0.0 and 1.0. If it's a SystemSound object you can't control volume. If it's an AudioQueue.. sound. If it's an AVAudioPlayer object you'd create the object and use theAudioPlayerObject setVolume someFloat where someFloat is a value between 0.0 and 1.0. If it's a SystemSound object you can't control volume. If it's an AudioQueue you'd change..

NSString stringWithFormat adding a percent

http://stackoverflow.com/questions/4585904/nsstring-stringwithformat-adding-a-percent

a percent How can I add a percent to my stringWithFormat function For example I'd like to have the following float someFloat 40.233f NSString str NSString stringWithFormat @ .02f someFloat This should cause the string to be 40.23 But it is not the.. For example I'd like to have the following float someFloat 40.233f NSString str NSString stringWithFormat @ .02f someFloat This should cause the string to be 40.23 But it is not the case. How can I achieve this iphone ios nsstring stringwithformat..