Intro What to do when you need to start an activity just to get some data from this activity and then go back to your previous activity....

Intro As we said in a previous post most applications today contain multiple screens, which means they are compiled from multiple...

Intro In a previous post we got our self’s introduced to the concept of activities in android. As we said the Activity is one of the four...

In this exercise we are going to create a new project and in MainActivity we will override all of the basic Lifecycle callback methods....