a$)$ Write the $xml$ code to produce a login page with the following elements.

$[10]$

textfield$-$name.

textfield$-$password.

submit button.

cancel button.

b$)$ Write java codes to show how the following classes are inherited from their main class in android programming.

i$.$ Services.

ii$.$ Activity.

$[2]$

iii. Broadcast receiver.

$[2]$

iv$.$ Content providers.

$[2]$

v$.$ Fragments.

$[2]$

$[2]$

c$)$ Describe android application architecture in detail.

$[5]$