Device detection mini-app
The best way to learn about detecting and responding to devices and their varying attributes (screens, orientations, and so on) is to make a simple app:
- Create a new Basic Activity project and call it
Device Detection. Leave all the other settings at their defaults.
- Open the
activity_main.xmlfile in the design tab and delete the default Hello world!
- Drag a Button onto the top of the screen and set its onClick property to
detectDevice. We will code this method in a minute.
- Drag two TextView widgets onto the layout, one below the other, and set their id properties to
- Check you have a layout that looks something like the following screenshot:
I have stretched my widgets ...