Alternatively, there may be cases where the purpose of the method is not solely to operate on the passed in object, and therefore a null parameter may be acceptable.In this case, you would need to check for a null parameter and behave differently. For example, "The best way to avoid this type of exception is to always check for null when you did not create the object yourself." If the caller passes null, but null is not a valid argument for the method, then it's correct to throw the exception back at the caller because it's the caller's fault.Developers, looking to please their users, obligingly add one. Kill Everything When Not in Use As soon as an app isn't visible its on Stop handler is fired, as soon as it's not the foreground Activity on Pause is triggered.
It has been more than a month since the Samsung Galaxy S5 was unveiled. However, before you hold the Galaxy S5 in you hands, you can enjoy its wallpapers, ringtones and apps on your current device.This turned out to be more controversial than I expected and soon dominated the discussion in the comments. Nonetheless many developers are adamant, "I added it after users demanded it! Fair enough, so why do some users demand an exit button?How do they cope with the bundled apps without an exit button?You can arrange all the cities in exactly the order you want, and you can even remove ones you no longer want. The Weather app for i Phone will automatically keep track of the climate and temperature in your current location, if you allow it.However, you can also add any other locations you might want to keep track of.