Will this leak under ARC? [closed]

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Closed 8 years ago.

I have a question regarding how ARC works. I have started working on IOS recently, I have created my project with ARC, As per documentation, ARC would take care of freeing memory by keep tracking reference count. Consider I have picker view ivar, when corresponding view is popped it will get freed, what if the case I explicitly set to nil and create again like this...

audio_cap_picker = nil;
// Creat picker view.
if (audio_cap_picker == nil) {
    audio_cap_picker = [[UIPickerView alloc] init];
    audio_cap_picker.delegate = self;
    audio_cap_picker.showsSelectionIndicator = YES;
    [self.view addSubview:audio_cap_picker];
}

If I do every time like this, will the memory get freed, or it will leak.

Answer 1

That code is fine under ARC. It will not leak.