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A common criticism directed at F-Droid is that F-Droid signs published APKs
with its own keys. Using our own keys doesn’t mean insecure — we have a good
track record (and keep the keys on a dedicated, air-gapped, offline
machine) whilst
others may not — but this does mean that our users need to trust a third
party other than the upstream developers.
Having a different signature can also inconvenience users by making it
impossible to install updates from other channels; this can be especially
inconvenient when we have difficulty providing an update for an
app. Developers also sometimes need to tweak their setup for F-Droid,
e.g. disabling an in-app updater or adding the F-Droid signature for
verification.
F-Droid is not the only app store publishing APKs signed with its own key —
Google Play does the same now. With “code transparency for app
bundles”,
Google provides a means to verify that the DEX files and native libraries in
an APK are identical to those the developer provided. This does address some
of these concerns, but code transparency does not protect many other
important files in the APK, like interpreted code or assets. And unlike APK
signatures, it is entirely optional (and an extra burden for developers) and
verification must be performed manually. It also does not solve the
inconvenience of being unable to install an APK with a different signature.
F-Droid has had a better solution for these problems for quite a
while:
reproducible
builds. However, it was
never widely used. One of the reasons is that it sounds difficult to
achieve. We had few reproducible apps (to be precise: only 6) and some of
them suffered from problems because of the use of reproducible
builds. Basically, we didn’t bother to mention reproducible builds unless
the upstream developers showed an interest. As a result, many developers
never even heard of reproducible builds, let alone that F-Droid supports
them, or attempted to use them for their own apps.
In response to some of those criticisms, we started encouraging new apps to
enable reproducible
builds. It turns out
that reproducible builds are not so difficult to achieve for many apps. In
the past few months we’ve gotten many more reproducible apps in F-Droid than
before. Currently we
can’t highlight which apps are reproducible in the client, so maybe you
haven’t noticed that there are many new apps signed with upstream
developers’ keys. If you have some third-party repositories enabled,
e.g. the IzzySoft one, you may find that sometimes you can update the app
from the main repository even if you installed it from another one.
Meanwhile, now that we’ve encountered many more test cases than before, we
also found many
new
problems
that affect reproducibility. Fortunately we also found workarounds for most
of them and developed some tools to make APKs
reproducible, mainly
thanks to @obfusk’s contributions. There are still some open issues and we
are still working hard to solve them. If you are interested in reproducible
builds, contributions are always welcome.
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—–
Track Info:
Title: Lights by Roa
Genre and Mood: Holiday + Bright
———
In a partnership founded in a shared commitment to open, inclusive education, the Moodle Learning Design team in the US worked with UNESCO’s Institute for Lifelong Learning (UIL) to build a Digital Competencies for Literacy Educators course that is being distributed to Literacy Educators around the world. In this session, speakers will demonstrate how they worked together to build this course to bridge the digital divide by using core Moodle tools such as Lesson and Database, as well as a mobile-first design philosophy.
Join us at this webinar on Friday 27 January at 14:00 UTC to learn more about the practical strategies used to design this Moodle course for low or no bandwidth environments.
Note: This webinar is part of the course ‘Moodle Academy webinars‘. You have to be enrolled in the course to join the webinar.
React component libraries are helpful tools in creating stunning interfaces for react-based applications. Though each website component can be coded from the scratch, component libraries make the development process easier and faster to complete. It allows you to use the exact component in your design without going back to the drawing board. As a result, an efficient application can be developed in less time and cost.
Chakra UI is a modern component-based library for building interfaces. It provides an accessible and reusable component-based architecture that makes it easy to create complex, responsive web applications.
With its intuitive design system, Chakra UI helps react developers quickly build user interfaces that are accessible, responsive, and visually appealing.
In this blog, we’ll learn the essentials of Chakra UI, and its importance in React web development, installation, and uses.
Developers and business owners are always looking for ways to develop quickly and efficiently and a great experience for our clients, and Chakra is a tool helping developers to achieve that.
Chakra UI is a simple, modular and accessible component library that gives building blocks to build React application
According to their official website, Chakra UI is a simple, modular and accessible component library that gives you the building blocks you need to build your React applications.
This component-based library helps build React apps with speed and boosts developer productivity.
Chakra is a modern and powerful component library for React that was designed and developed by Segun Adebayo a UX Engineer for developing front-end applications. It provides more components, improved styling API, and accessibility and easy-to-understand documentation that gives us guidelines on how to build reusable components and save time.
It provides improved styling API with easy-to-understand documentation to build reusable components and save time
Chakra UI is customizable and reusable we can easily adjust it with our designs. It is very simple to use if you know how to use react components and this also supports ReactJs, along with some other libraries too.
Its components’ names and the prop’s names are easy to understand. It provides dark and light mode compatibility for developers to overcome contrast challenges.
Chakra has a lot of prebuilt composable and reusable components. Its components are dark and light mode compatible so we can also create our own dark and light mode experience across our application with a little bit of configuration.
Let’s take a look at some components of Chakra UI.
Typography is the method of arranging font sizes, line spacing, letter spacing, line height, typeface, and other elements of text formatting to improve readability. It’s an important aspect of digital design and can greatly impact how readers engage with and understand written content.
An overlay is a method to put something on top of such as an image or video, or text on top of another so that what is in the lower position can still be seen.
Feedback refers to giving information about something that anyone has done which tells how good or bad it is.
Data display is a method to represent the data in a visual format, such as a chart, graph, or map, and make information easy to understand.
Navigation refers to moving through a website or application, finding the information you need, and getting to the pages you want to visit.
The act of revealing or making known information that was previously hidden,or making something known.
A form is a document that contains spaces for users to input information It can be used for a variety of purposes, such as collecting contact information, applying for jobs or loans, and more.
Media refers to various forms of content such as images, text, audio, and video that can be used to carry, entertain or inform.
Icon refers to the representation of the content this is small graphic images or symbols that are used to represent a specific function, feature, or content on a computer or mobile device.
If we want to add default components of Chakra UI to the project we just have to copy its code and paste it into our project and we can see our effect on the browser. If we want to use some components we just have to import them from ‘@chakra-ui/react’.
import {
Alert,
AlertIcon,
AlertTitle,
AlertDescription,
} from ‘@chakra-ui/react’.
Your browser is outdated!
Your Chakra experience may be degraded.
Import like this and create the structure you want to make it very easy to use.
We can use npm, yarn, and pnpm for the installation of chakra and its dependencies.
After setting up our react projects we have to run this command.
npm
npm i @chakra-ui/react @emotion/react @emotion/styled framer-motion
//or
yarn
yarn add @chakra-ui/react @emotion/react @emotion/styled framer-motion
//or
pnpm
pnpm add @chakra-ui/react @emotion/react @emotion/styled framer-motion
After installation to get initialized, we need to set Chakra provider at the root of our application. This can be our index.js or App.js depending on the framework we use.
import React from “react”
// 1. import `ChakraProvider` component
import { ChakraProvider } from “@chakra-ui/react”
function App({ Component }) {
// 2. Use at the root of your app
return (
)
}
React component libraries are helpful tools in creating stunning interfaces for react-based applications. With its intuitive design system, Chakra UI helps react developers quickly build user interfaces that are accessible, responsive, and visually appealing.
With emerging technological trends you need a partner that ensures your website is innovative. At OpenSenseLabs, we help enterprises provide a better digital experience with new technologies.
Contact us at hello@opensenselabs.com and let our experts help you out.