MobilePro #92: LLM Hallucinations, Error Chaos in Flutter, React Native Go-To Packages

Mobile development blogs, tutorials and resources inside! June 10, 2023 Hi {NAME}, Welcome to the mobile app development world with [_mobilepro]( In this edition we cover mobile development community discussions on [LLM Hallucinations]( [Error Chaos in Flutter]( [React Native Go-To Packages]( and Caching in .NET MAUI]( Want to develop in React Native using ChatGPT? This edition to our [ChatGPT with React Native tutorial]( helps you get started for the ChatGPT project. Looking for Open source Flutter templates? Checkout this week's resources! Don't forget to take the Mobile Technical Report Survey and help us shape insightful mobile development reports. We have listened to the [_mobilepro]( readership and we think this is something you have been searching for. If you liked this installment in our new series, fill in our survey below. We're committed to bringing our readers exactly what they want, so help us make the right choices. [Take the Survey!]( Thanks, Apurva Kadam Editor-in-Chief, Packt MobilePro Technical Reports Survey We are seeking your valuable insights to design useful technical reports on Mobile development topics. Your preferences are essential in creating content that addresses your challenges effectively. Your feedback will shape our reports, providing practical solutions, industry trends, and emerging technologies. [Take the Mobile Technical Reports Survey!]( Mobile Developer Community Insights - [React Native Go-To Packages for Every Mobile App]( - Every time you create a mobile app with React, you would use some modules to build it up. This app highlights certain go-to packages that will become your comrades while working with React. The packages include React Native Vector Icons, React Native Raw Bottom Sheet, React Native Navigation, Redux, and Chat GPT. [Learn about these packages in detail here.]( - [Smoother with Image Caching in .NET MAUI]( - Image caching is a technique that stores images in cache memory to improve an app’s performance. The image cache is significant because it helps reduce the app’s loading time and data usage. By caching images, the app can retrieve them more efficiently, which leads to a better user experience. In this blog, we’ll see how to implement the image caching feature in Syncfusion’s [.NET MAUI Avatar View]( control. [Checkout the Image caching tutorial here.]( - [Improve Your Prompts for LLMs]( - Prompt Engineering is a term coined to describe the process of writing prompts to get the best results from LLMs. Just like in everyday conversation, the words we choose to ask in a question can dramatically change the response we get. Throughout this article, we’ll build on a prompt to create a meal plan for a single day; taking advantage of different Prompt Engineering techniques. [Learn about prompt engineering best practices here.]( - [Say Goodbye to Error Chaos in Flutter with Talker 3.0]( – This article talks about the major v3.0 update of [Talker]( and why this is the best solution to logging and error handling for your Flutter / dart project. The new version is lightweight, with a new UI/UX, without overhead logic, and boasts numerous fixes helping avoid error chaos. [Learn more.]( - [How to Minimize LLM Hallucinations]( - An LLM is liable to hallucinate when it lacks sufficient, domain-specific data during the training phase. Every LLM must be trained on a large corpus of knowledge long before it is made available to an end user. are designed to complete what a human is likely to say, not necessarily what's correct. The use of statistical likelihood in Natural Language and text generation is nothing new. In this blog, you will learn why LLM hallucinations occur and strategies to mitigate them. [Read on!]( - [Flutterflow Templates for Bootstrap Mobile App Development]( - The range of free FlutterFlow templates has expanded significantly, allowing developers to create robust, high-quality apps quickly and efficiently. These templates are more than just a starting point; they offer a wealth of built-in functionality, providing developers with a solid foundation upon which they can build their unique apps. [This article covers the top 20 FlutterFlow app templates of 2023 that are free to use.]( Mobile Development Motivation "The mobile phone is becoming the primary screen for people around the world to connect, discover, and experience the digital world." - Eric Schmidt, ex-Google CEO Food for Thought... Eric Schmidt states that mobile phones have become the primary screen through which people connect, explore, and engage with the digital world. The quote signifies the profound impact of mobile development on how individuals access information, interact with services, and consume content. Schmidt's observation underscores the importance of optimizing digital experiences for mobile platforms, recognizing the widespread adoption and usage of mobile devices globally. Mobile Tools Flutter open-source apps provide a platform for learning, sharing, and advancing Flutter development. They foster a collaborative environment and empower developers to create high-quality Flutter applications with improved efficiency and innovation. Here are some open source Flutter Map and Chart templates for you: Map - [Google Map View]( - Displaying google map plugin by [AppTree Software](. - [GeoCoder]( - Forward and reverse geocoding by [Aloïs Deniel](. - [Mapbox GL]( - Interactive, customizable vector maps by Mapbox. - [AMap]( - Access to AMap services by [fluttify-project](. Charts - [Circular Chart]( - Animated radial and pie charts by [Victor Choueiri](. - [Sparkline]( - Sparkline by [Victor Choueiri](. - [Charts]( - By Google Charts Team. - [Candlesticks]( - OHLC and Trade Volume Charts by [Trent Piercy](. - [FCharts]( - Beautiful, responsive, animated charts by [Keenan Thompson](. - [FL Chart]( - Draw fantastic charts in Flutter by [Iman Khoshabi](. - [Bezier Chart]( - Beautiful bezier line chart widget for flutter that is highly interactive and configurable by [Diego Velasquez](. - [Echarts]( - Large collection of advanced reactives charts by [LIN Chen](. - [Graphic]( - Data visualization library based on the Grammar of Graphics by [LIN Chen](. ChatGPT with React Native tutorial This course is designed with the latest mobile technology and in-demand job tools including React Native, JavaScript, Expo-GO, and the best conventions in 2023; it also teaches the very latest mobile development techniques and version of React with hooks. This course demonstrates how to leverage the power of ChatGPT as a tool in addition to stack overflow and documentations to build scripts and simplifies tackling difficult code tasks and takes your coding skills to the next level. Not a Packt member? Watch this video by redeeming your 7-day free trial! Rendering Image Data Content with React Native for the ChatGPT Project In this video, you will learn how to render image data content with React Native for the ChatGPT project. The tutorial will cover how to fetch and parse image data from an API or database, as well as how to render the images in your application's user interface using the Image component. By the end of the video, you will have a better understanding of how to work with image data in React Native with ChatGPT. [Watch the video with your 7-day free trial!]( What's Happening in Mobile App Dev? Android - [Android 14 Beta 3 and Platform Stability]( - With today's Android 14 Beta 3 release, the company is continuing into the next phase of the Android development cycle. Beta 3 takes Android 14 to [Platform Stability]( which means that the developer APIs and all app-facing behaviors are now final for you to review and integrate into your apps. - [Upcoming changes to InAppProducts API and subscription catalog management]( – The list of changes include Monetization.subscriptions APIs will replace InAppProducts API for subscription catalog management and no changes to selling in-app items with the InAppProducts API. This this article for all the details. Apple - [Introducing Apple Vision Pro and visionOS]( - Apple Vision Pro creates an infinite canvas for apps that scales beyond the boundaries of a traditional display and introduces a fully three-dimensional user interface controlled by the most natural and intuitive inputs possible — a user’s eyes, hands, and voice. Featuring visionOS, the world’s first spatial operating system, Apple Vision Pro lets users interact with digital content in a way that feels like it is physically present in their space. [Learn more about Vision Pro here.]( - [Find out what’s new for Apple developers]( - Discover the latest advancements on all Apple platforms. With an incredible new opportunity in spatial computing in visionOS, new features in iOS, iPadOS, macOS, tvOS, and watchOS, and major enhancements across languages, frameworks, tools and services, you can create even more unique experiences for users worldwide. - [Apple Design Award winners announced]( - The Apple Design Awards celebrate apps and games that excel in the categories of Inclusivity, Delight and Fun, Interaction, Social Impact, Visuals and Graphics, and Innovation. Learn about the 2023 winning apps and the talented developers behind them. See you next week! [Someone forwarded this email? Subscribe here!]( We understand that people move on or sometimes need a break away from emails. If you wish to stop receiving [_mobilepro]( emails, simply opt out using the button below. [Unsubscribe]( Copyright © 2023 Packt Publishing, All rights reserved. Hello, Thank you for being a part of the Newsbytes weekly newsletter. Team Packt Our mailing address is: Packt Publishing Livery Place 35 Livery StreetBirmingham, West Midlands B3 2PB United Kingdom [Add us to your address book]( As a GDPR-compliant company, we want you to know why you’re getting this email. The _mobilepro team, as a part of Packt Publishing, believes that you have a legitimate interest in our newsletter and the products associated with it. Our research shows that you, {EMAIL} , opted-in for communication with Packt Publishing in the past and we think that your previous interest warrants our appropriate communication. If you do not feel that you should have received this or are no longer interested in _mobilepro, you can opt out of our emails by [unsubscribing here](. Want to change how you receive these emails? You can [update your preferences]( or [unsubscribe from this list](.