Question: Is It Mandatory to Call onCreate () in Android?
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Q 9 – Is it mandatory to call onCreate() and onStart() in android? It is not mandatory, the program will work perfectly without fail, but the programmer has to implement the life cycle of activity.

Why we use onCreate method in Android?

onCreate(Bundle savedInstanceState) Function in Android:

Basically Bundle class is used to stored the data of activity whenever above condition occur in app. onCreate() is not required for apps. But the reason it is used in app is because that method is the best place to put initialization code.

Is it possible activity without UI in Android?

The answer is yes it’s possible. Activities don’t have to have a UI. It’s mentioned in the documentation, e.g.: An activity is a single, focused thing that the user can do.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.

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