Flutter Cheat Sheet
Cd flutter app main folder idea. Flutter IntelliJ cheat sheet (Windows/Linux version) Core workf l ow Run: shift-F10 S t art w/ o breakpoi nt s. Debug: shift-F9 S t art w/ B reakpoi nt s. Rel oad: ctrl- Hot rel oad changes. T arget sel ect or Run/ Debug uses t he t arget sel ect. Flutter’s online documentation is a great source of information, but sometimes you’d rather glance quickly at an example. This cheat sheet has some sample code. Just grab it and go! Flutter is a Open Source Develo pme nt-Kit from Google. It is used to create apps for Android, iOS, Windows, macOS, Linux, Google Fuchsia and the Web. Flutter applic ations are written in Dart and use many functions of this. Mobile Application Cheat Sheet by bausac16 - Cheatography.com. I've been learning Flutter for a few weeks now and it has been a really good experience. I used to use Objective-C and this seems to be way easier. Plus, when you develop using Flutter, you develop for both iOS and Android using the same code base.
Have you ever wanted to generate a PDF file in flutter? Well, this post is for you. Here, we are going to create a PDF file with content and table in our flutter application. Its pretty easy but first we begin by adding the required dependencies. Open pubspec.yaml and add the following packages.
After adding the packages, we are now going to create a function to populate our table data.
We will then display our data on a table before exporting to pdf
So far when we run our code we will get the following
Now, to export the above data into a PDF file we are going to create a function generatePDF and add all the widgets we need to create our pdf file. This function will be in a separate file called CreatePDF.
Using the pdf package we create a pdf document as follows.
We then add a pages to our document
MultiPage takes multiple parameters which include pageTheme,pageFormat,header, footer and body which in this post is what we are interested in. In our case we will have the following on the page.
You can define your page format within the pageTheme or using the pageFormat parameter. We will display our data within the body of the document which will also include a custom non repeating header and a table.
Create a function named pdfHeader() of Widget typeas follows
To create the table we use Table.fromTextArray(...) to define the table properties and data.
So far we have created our PDF document and what is left is to save the file. Using path_provider you can define where you want to save the file in local storage in a folder of your choice.
Flutter Cheat Sheet Pdf
The above code snippets may be confusing but let me make them simpler by providing the complete code in CreatePDF file.
Back to the main widget, on the actions menu add the click listener to the FlatButton and then call the generatePDF function.
The _generatePDFData() function generates a multidimensional array of String type as shown below
Run your code, then click the action menu to create your PDF file. If your file is exported successfully you will get a success message in a Toast.
Flutter Cheat Sheet Pdf
Viola!