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Building and Compiling APKs:
Once done with a Flutter project, you might want to build an APK for further testing, distribution or deployment.
The simplest way to build an APK in Flutter is by running the command 'flutter build apk' in the Terminal.
This command will present you with an APK with the compiled code so far. This APK can be used for testing purposes on various devices, and is a Debug APK by default.
To make an APK for deployment through the Play Store or any other distribution channel, the APK needs to be signed.
The whole signing procedure along with essentials for deployment, like versioning and adding icons can be read about from Flutter's official documentation in detail. ()
Installing Flutter:
To work on any Flutter Project, the Flutter SDK should be installed on your device.
The steps to set up the SDK differ according to the Operating System of your choice.
The above link helps you Install and Setup the SDK on Windows, MacOS, Linux or ChromeOS.
Set up IDE/ Editor:
To start editing or creating Flutter projects, it is a requirement to have an IDE or Editor.
The recommended ones are Android Studio or Visual Studio Code.
This Guide will follow on with Android Studio, but Visual Studio Code can also be used.
Start Android Studio, and go through the ‘Android Studio Setup Wizard’. This installs the latest Android SDK, Android SDK Command-line Tools, and Android SDK Build-Tools, which are required by Flutter when developing for Android.
After having installed Android Studio, we will be needing some Plugins to help us in Flutter Development.
Open Plugin Preferences (Configure > Plugins); Select the Flutter Plugin and click Install.
You'll be prompted to install the Dart plugin, install that as well. Click Restart when prompted.
We've successfully set up Flutter on our machines, and our ready to work on Flutter projects.
, use this link to download the latest version of Android Studio.
This is Help file website of uFlutter - Universal Flutter App UI Kit, sold in CodeCanyon,
this kit is for developers who have a good knowledge of Flutter and Dart.
we are frequently adding new screens, widgets, components at each release. and you will be notified at each release.
Online link of this help files:
You can download the APK file to test the app in your Android Mobile :
Link on Google Drive
OR on Dropbox
Start Editing:
Once you start editing code and writing your own, the Flutter plugin will be there to help out.
Flutter plugin allows Syntax Highlighting, Navigation to Type Declarations, Finding type usages, and much more.
All issues during analysis will be shown in the Dart Analysis pane.
Running and Debugging:
Running and Debugging the app is controlled using the Main Toolbar provided in Android Studio.
It allows you to select config, select device for Debugging and other tools like Run, Hot Restart, etc.
Adding Device/Emulator for Debugging:
There are 2 main ways to debug your Flutter project, they are, Use an Emulator or Using an actual physical device.
To Set up and Emulator, in Android Studio, go to Tools >> Android >> AVD Manager and select Create Virtual Device. Go through the configuration to add an Emulation Device.
After adding these devices, these can be selected from the main Toolbar.
Performance Analysis:
While running your app in Debugging Mode, there are 2 main ways of analyzing your project's performance.
To view the performance data, including the widget rebuild information, start the app in Debug mode, and then open the Performance tool window using View >> Tool Windows >> Flutter Performance.
In DevTools, one of the most important tools is Flutter Inspector. Flutter Inspector is a tool which helps with visualizing and exploring Widget Trees in Flutter.
Since, in Flutter everything is a widget, from the controls to the elements and even Layout builders like Rows, Columns, AspectRatio, etc, this helps visualize boundary lines and give a tree structure to your project. All Layout issues can be fixed using this tool.
The most important feature in the Inspector are: Select Widget Mode, Refresh Tree, Slow Animations, Debug Paint, Paint Baselines, and Debug Banner Toggle.
You can browse widgets from the Tree Structure on the Left Pane, clicking on any widget, will reveal their details and properties.
The Select Widget toggles allows to toggle a selection mode in the app's UI, where clicking on a widget in the UI will automatically pick it out from the tree in the Inspector.
If you select Layout Explorer instead of Details Tree, you are allowed to visualize properties like Axis alignment and flex properties in the layout.
Debug Paint, will add a layer of paint overlay in the UI to be able to visualize widgets which might not be in view, and view boundaries. For a clean experience and testing out elements near the Status Bar, one can disable the Debug Banner, using the Debug Banner Toggle.
Inspector in DevTools can really make debugging of UI elements easier.
To Set up an actual device, ensure it is an Android device running Android 4.1 or higher. Enable Developer Options in the Device Settings, and then enable USB Debugging. On Windows, install Google USB Drivers (). Then, connect your device via a USB cable. Allow debugging permissions if asked for.
The other Tool to be used during development is the aptly named DevTools. DevTools is a very comprehensive and elaborate debugging and analysis tool. You can further read about it here:
this video will teach you more about using Flutter Inspector
for more information about working with Flutter Inspector please visit the official Flutter documentation link
Dose it connect any API ?
No, It dose not. It just included template only. We do not connect any API. You have to develop by yourself for matching with your biz.
Dose it collection user information ?
No, It dose not. The mobile template application just simple application with UI/UX.
Can I release the app to both iOS and Android?
Yes, as this is made by Flutter which support to release for both iOS and Android, please discover more about the framework from official website.
Will I get the free upgrade on next coming version ?
Yes, you will get the free upgrade with more awesome features coming. You will get the notify email for new version update on stores.
The source code files in project are structured in the following way, the files are found inside Souce_Code/uFlutter/lib folder and it is structured in this way:
please have a special attention to the folder lib/base which include dart files used in entire project like asset_key, colors_kye, localization and other.
understanding the functions and work of each class and dart file is pretty simple if you are familiar with Flutter development.
Creating Flutter project from existing source code:
download the compressed file uFlutter.zip you purchased from CodeCanyon Envato Market and decompress it in your local disk.
decompressed file includes the following folders : 1. Source_Code : include the full project in dart files. 2. Documentation : includes the PDF file explaining how to work with this project. 3. Demo APK : Include APK file to test the app in your Android mobile.
How to Open and run Project
Locate the file Source_Code/uFlutter in your local disk
There are a couple of approaches to do this in Android Studio.
First, is the usual Drag and Drop the project files to Android Studio.
But, the preferred and recommended approach is the one we'll go through.
Open Android Studio and if no projects were already opened you will be presented with a menu for opening projects or creating a new one. If not, click on File >> Open to be presented with the options.
Click on Open an Existing Android Studio Project.
Locate the project and Open.
Once the project is open, you'll notice various errors. To get rid of all these errors, click on Get Dependencies which is shown above on Android Studio.
The universal method to solve such errors across all IDE, is to run the command: 'flutter pub get' in the terminal. This will fetch all the packages and dependencies.
This shall solve most Dependency errors in your project and you're ready to start working on it.
