Genelia has developed a book app, which allows users to read a book and navigate from one page to another. The home page of the app is shown in the following figure.

Genelia has developed a book app, which allows users to read a book and navigate from one
page to another. The home page of the app is shown in the following figure.
The Home Page of the App
The content page of the app is shown in the following figure.
The Content Page of the App
However, this app does not allow the users to move back from a page to the previous page.
Moreover, when the users reach the last page, no control is provided to move back to the home
page.
Help Genelia identify the reason behind the preceding problems and provide a solution for the
same.

Solution;

DOWNLOAD from here:

https://drive.google.com/file/d/0ByVhF2onsiStdENVcTVUemstb1U/edit?usp=sharing