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I'm planning to improve a mobile app as my first mobile and published project and I want to improve a to-do list app. According to this aim I want to use java for backend and one of my friend will improve front-end with flutter.
The first question is here, can we develop a mobile app with using flutter and java at the same time ?
If the answer is yes, I am planning to use SQLlite for database but here I am confused :/. I want to use the database for each user own local database.
How can I deploy a database with my project , the database should work in his/her mobile local. And how the architecture should be?
Thanks,
You can develop Flutter app with native (Android or iOS specific) implementations for some platform features. Flutter and native side communicating with Method Channels (by link you find an official documentation for work with it).
Flutter has a sqflite plugin that wraps native database realization and giving to you interface for working with SQL database on Flutter side.
Also, if you need tools for communicate with WEB API, Flutter supports it by default. You can find more information in Fetch data from the internet.
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im în my first year of software developing. Im trying to create an iOS app where I will have some authenticate and other databases query to do. How could I create a hosted database that users could authenticate and retrieve different informations from it?
You can have a look at different MBaaS solutions (Mobile Backend as a Service), the most prominent of which are possibly:
AWS Amplify
Firebase (Google)
Azure Mobile Apps
They provide very simple ways to create a complete and secure backend for Mobile and Web Apps with Authentication, APIs, Data Storage and others.
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I'm new to flutter and I'm planning to create a social media platform something like Twitter, Instagram, or TikTok. I plan to use flutter for its web and mobile. But from what I can see since Flutter web is still in its early stages is it really achievable/feasible/practical(I don't what term to use) for the platform to only use flutter? Or is it much better to separate the web and mobile like using react/angular for the web and flutter for mobile? Also, Can you also provide what are the pros and cons for both scenarios?
Although flutter web is in its early stages, this platform has had an unstable version for a relatively long period and now, it has stable web release. Definitely, it has some challenges and specially lack of documentations for web version (due to its novelty), but it has power to provide reliable results. So, I think, yes you can use Flutter for your client-side. However, there are some difficulties in this platform that you can handle with native code as well.
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I have a question about how to shape PWA applications. I understand that Serviceworker help web apps to be like an application offering offline features and more.
So, can I create one for mobile and another one for the PC web browser to provide it with the same domain by recognizing types of hardware - how typical website works? Or, if I want to create PWA, then it must be dedicated to mobile service only?
You don't have to create separate web apps for mobile & desktop.
Just create a responsive web app and make it progressive by adding the manifest & service worker.
It isn't specific to mobile or desktop.
It's a website after all.
You open it in any supported browser, it will work.
You can either use it as a conventional website or a PWA (If the browser supports)
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Excuse me asking maybe silly/dumb
I'm Rookie self-taught developer
I trying to get my flutter app to work with my PostgreSQL database
Unforturnly I couldn't find anything related to Getting Flutter and postgreSQl to work togeather
All I can find is using Aqueduct a dart package which I was not able to install
https://medium.com/flutterpub/flutter-how-to-do-crud-with-postgresql-part-1-57d8d3652a31
as they couldn't find a library to install Aqueduct
Is there any other way I could get Flutter work with PostgreSQL?
Or there a way I could get Aqueduct to work?
Greatly appreciate your help in this.
For interaction of your app with a relation db you need a backend, in any technology, as the negotiator of both parties.I dont know aqueduct but you can try node js + express js as it is a popular backend stack, here a tutorial is quite simple to understand and setup, theres is also a js postgresql package called pg so you will need to add it to your node backend. I don't know how much knowledge do you have about http request/response, backend, frontend or http apis, so you should maybe study all of that before doing your project.
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I'm planning to make a multiplayer card battle game using Libgdx for the web, it uses the GWT engine for web deployment.
Is this engine secured? Can it be hacked? I don't want to waste my time learning it only if it will be hacked later on.
Thanks.
There is no engine as such. GWT compiles Java code to javascript which is then downloaded and run in the browser. By default this is obfuscated. It is difficult to modify but as the code is available in the browser it is theoretically possible to reverse engineer and modify it.
GWT puts no restrictions on how you implement server side web application code. It provides libraries to help with client to server RPC which you may choose to use or not. That means the server side security is down to you and is as secure as you want to make it.