Let's create our new project now. Create a new project and call it Note to self. Leave the other settings at their default values, including choosing a blank activity.
Open a web browser and visit the Android developer website, https://www.google.com/design/icons/index.html.
We want to download four icon sets, which are listed as follows:
An add icon that we will add to the action bar later in this chapter
An item that looks like a light bulb that we will use for an icon to represent an idea
An exclamation mark icon that we will use to represent important notes
A blank checkbox icon that we will use to represent something that the user needs to do
We saw all these icons when we looked at the final appearance of our app.
You can find all these icons at the previous URL in the categories described as follows: