To customize the colors and styles of any child components,
pass a ThemeData object to the MaterialApp widget.
For example, in the following code,
the primary swatch is set to blue and text selection color is red.

Databases and local storage

How do I access shared preferences or UserDefaults?

Xamarin.Forms developers will likely be familiar with the
Xam.Plugins.Settings plugin.

In Flutter, access equivalent functionality using the
shared_preferences plugin. This plugin wraps the
functionality of both UserDefaults and the Android
equivalent, SharedPreferences.

How do I access SQLite in Flutter?

In Xamarin.Forms most applications would use the sqlite-net-pcl
plugin to access SQLite databases.

In Flutter, access this functionality using the
sqflite plugin.

Debugging

What tools can I use to debug my app in Flutter?