Analyzer warning in Facebook API for iOS?

In the else statement the UIButton *button is not initialized. Look how in the if statement it is.

The button variable is a local variable. Unless you are using ARC, it's not guaranteed to be initialised to anything. It could be nonsense.

The analyser is warning you that it's not clear it has had a meaningful address assigned to by the time you attempt to send a message to it (the setter for the frame property is the message you are sending it).

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