NSTimer is used is several context. However, you have to to careful when you are going to invalidate the variable. For example:
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// myTimer is defined as global myTimer = [NSTimer scheduledTimerWithTimeInterval: 5.0 target:self selector:@selector(myTimerMethod) userInfo:nil repeats:YES]; // - (void) myTimerMethod { // do ... } |
Usually, you will use:
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[myTimer invalidate]; |
As you can see in the code above, the timer is switched off but the variable is unset, so it is dangerous. The best way could be: […]
