You can learn how to display things in a grid in your view and also how to interact with a website by reading its source code.
Are you worried about your child’s or teen’s smartphone activities?
Are you afraid that your child might access wrong material, exchange suspicious calls and texts or become a victim of harassment or bullying when using his/her Smartphone?
url: Standup Timer is an Android application that acts as a simple, stand-up meeting stop watch.
It can be used to ensure your stand-up meeting finishes on time, and gives all the participants an equal share of time to state their progress.
Even though the count is not accurate, you can learn different things like interacting with accelerometer, doing voice updates, running background services etc by reading its source code.
url: Open Sudoku is a simple open source sudoku game.
Together with Shadow, it allows you to browse website anonymously from your mobile phone.
You can learn about tunnelling socket connections, managing cookies etc by reading its source code.
You can also use the GPS data to help find your smart phone if it it is lost.