Learning Goal: I’m working on a app development question and need an explanation and answer to help me learn.

Please check the attachment for questions

Q1-From your study to mobile operating systems IOS and Android, how different is IOS in its life cycle from Android.  Through your answer, make a comparison between the two operating systems. You need to support your answer with examples of some of the methods used in each operating system life cycle.

Q2- Use your own words to explain how mobile applications can affect the business process. Support your answer with an example.

Q3- For the below image displayed as xml file answer the following question?

What is the type of the layout and explain it?

How many child elements for this layout and name it?

What is the purpose of android:layout_width=“wrap_content” and android:layout_height=“wrap_content”?

Q4- Suppose you are designing a Calculator for your app. The app has one activity (MainActiviy). Write the activation code for the Calculator android application activity.When a user presses the any(+,_,*, /) button the result of the two numbers (Enter first number, Enter Second number) will be appeared  in output.

The MainActivity is shown in the following figure:

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