updated gitignore file to ignore gen dir

Signed-off-by: Venkat Prasad <svprasad79@gmail.com>
made image background null

Signed-off-by: Venkat Prasad <svprasad79@gmail.com>
created strings for status xml

Signed-off-by: Venkat Prasad <svprasad79@gmail.com>
set background color on click

Signed-off-by: Venkat Prasad <svprasad79@gmail.com>
fixed onFocus

Signed-off-by: Venkat Prasad <svprasad79@gmail.com>
added exit button for exam

Signed-off-by: Venkat Prasad <svprasad79@gmail.com>
added readme activity

Signed-off-by: Venkat Prasad <svprasad79@gmail.com>