Want to convert a double to an int in Dart? Round it using the round() method:
Console.log in Dart Language. A basic top-level print function is always available in all implementations of Dart (browser, VM, etc.). Because Dart has string interpolation, it’s easy to use that to print useful stuff too:
Want to perform runtime type checking in Dart? The instanceof-operator is called is in Dart. The spec isn’t exactly friendly to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/. Here’s …
Want to parse a string into a number with Dart? You can parse a string into an integer with int.parse(). For example: You can parse a string into a double with double.parse(). For example:
Passing Data to a Stateful Widget. Don’t pass parameters to State using it’s constructor. You should only access these using this.widget.myField. Not only editing the constructor requires a lot of manual work ; it doesn’t …
What is the difference between functions and classes to create reusable widgets? It’s just ideal that those functions return a StatelessWidget, so optimisations can be made, such as making the StatelessWidget const, so it doesn’t …
Want to dismiss the on screen keyboard? You can dismiss the keyboard by taking away the focus of the TextFormField and giving it to an unused FocusNode:
How does the const constructor actually work? Very well explained in detail but for the users who are actually looking for the usage of a const constructor.
Want to detect the host platform from Dart code? Use the below example code to detect the host platform from Dart code.