We’ve seen how to get roll the dice from the main widget with a button by using the GlobalKey in our previous notes. But what if we want to update the score if a single dice is clicked…I mean rolled? Well that requires talking to the parent widget to let us know that it has…
We are going back into the main.dart file. We need to import the dice.dart file we created in the previous part. We’ve already removed the unnecessary comments. Next we’re going to build the app so we can see what we need. We’re going to remove the counter and the floating action button as well as…
We’re going to build a Dice Game in Flutter, which will have two pairs of dice to allow you to randomly get some values. We’re going to do some different things this time, such as: Making a class widget which we can insert into our game, so we don’t have to duplicate ourselves, Use a…
Most languages provide a way to work with Strings, and Java is no exception. Java sometimes provides several ways to create, as well as work, with strings. We’ll look at the most common ways to work with Strings that you will experience. Creating a String Where you get a string will vary based upon your…
Writing to a file in Java is similar to reading from a file, in that you have to be mindful of your exceptions, however, writing is handled by different Classes. But you will find the process very similar. Setting up the Writer Instead of using FileReader, you will want to use FileWriter. To use a…
Reading a file is going to require using a stream like we’ve seen before. The we will read through the file. Opening the File First we will need to set up a FileReader object, such as: Note, in order to use FileReader, you will need to import java .io into your project. However, we will…
Reading from the console is something that most people learn to do in a single line or two of code in most languages. However, Java is not most languages… Consider Python: C++ Java So what is going on with that? System.in So lets start with the System.in. This is the console input stream object, just…
To write to a file in Flutter, you will be combining some Dart libraries with the Flutter SDK. You need the Flutter component to let you know where to write your file, while you need the Dart Libraries to actually perform the IO operations. In Flutter, the path_provider provides a platform agnostic way to access…
