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Whether or not Barnes and Noble liked it enough to copy it, Spring Design’s Alex prototype dual-display ebook reader is certainly nifty enough to capture our interest.  MaximumPC had a chance to go hands-on with the Alex, which has a 6-inch e-ink screen up top and a 3.5-inch color capacitive touchscreen underneath for control and navigation, as part of a Marvell demonstration for the company’s new ARMADA 166E SoC.

The ARMADA 166E bundles together an applications processor and display controller, and supports up to 3fps e-ink video; not enough to replace your HDTV, perhaps, but certainly better than what we’ve seen to-date.  There’s also wireless support, including WiFi and 3G, and a new zero-power consumption hibernate mode.

As for the Alex, MaximumPC found the dual-display design particularly useful for speedily locating the specific content you want to read: the LCD updates far faster than the e-ink panel.  The pay-off is the fact that it’s thicker than, say, Amazon’s Kindle, to fit in a larger battery and the mechanics of the secondary screen.  The Spring Design Alex should be on the market by the end of the year.

Press Release:

Marvell and E Ink Join Forces to Deliver a Radical New Generation of Faster, Lower Power Ultra Thin E-readers for Mass Markets

Consumer Breakthrough: Marvell Gets to Market First with a Total Solution for Innovative New E-readers at a Variety of Anticipated Price Points

Santa Clara, California (November 3, 2009) — Marvell (NASDAQ: MRVL), a world leader in storage, communications, and consumer silicon solutions, today announced its collaboration with E Ink, the supplier of electronic paper display (EPD) technologies for most of the world’s e-readers. The two companies have begun to ship a highly integrated e-reader processor available in complete turnkey platforms aimed at the fast-growing e-reader market. These new platforms are expected to accelerate the rapid release of new forms of e-readers at a variety of price points.

“With this announcement, Marvell raises the technology bar and takes the lead in the e-reader market,” said Ms. Weili Dai, Marvell’s Co-founder and Vice President and General Manager of the Company’s Consumer and Computing Business Unit at Marvell Semiconductor, Inc. “Because this is a total platform solution – including Marvell key technologies such as Wi-Fi, Bluetooth, 3G modem, and power management – the ARMADA e-reader has the potential to deliver the first mass market product accessible and affordable to billions of consumers around the world. Marvell’s passion is to give consumers more choice, improved features, and greater access to more information with e-readers that are aimed at education, health, and business applications.”

As one of the fastest growing consumer markets, e-readers continue to grow in popularity due to falling retail prices, improved features, and fast growing library of digital content. According to a recent iSuppli Research report, e-readers are projected to top 18 millions units shipped in 2012, from 1.1 million units last year.[1]

Marvell and E Ink have been working together and co-developing products for the ePaper market. The recently signed agreement between E Ink and Marvell includes joint development and cross licensing of next generation ePaper timing controllers and system platforms, which the companies anticipate will result in higher integration and lower cost solutions for e-reader manufacturers.

“Our collaboration with Marvell will deliver an integrated System-on-a-Chip (SoC) solution to the market,” said Sriram Peruvemba, Vice President of Marketing at E Ink. “This SoC solution is aimed at offering highly desired features at competitive price points.”

Central to this new e-reader platform is the world’s first commercially available SoC that integrates a high performance processor and state of the art EPD controller on a single chip — the Marvell ARMADA® 166E application processor. The ARMADA™ 166E is designed to offer users ultra fast renderings of high resolution PDF documents and support for the latest ePaper technologies in new smaller, slimmer form factors with lower system cost than the competition. The ARMADA 166E also brings to e-readers new features that save power and extend battery life including a unique hibernation mode, or zero power mode.

The two companies have also joined forces with FirstPaper, LLC, to integrate unique technology into the ARMADA 166E. This joint innovation enables a range of display sizes and resolutions, including support for larger screens that will deliver layouts, graphics, and content choices that people normally associate with periodicals, larger-format books, and documents.

Customer Support

Customers have sampled and integrated the Marvell ARMADA and E Ink based e-reader platforms into their end solutions — consumer ready e-readers are expected to be available to end-users in 2010.

“The enTourage eDGe is the industry’s first dualbook, combining an E-Ink reader with a netbook, notepad and audio/video player and recorder into one central device,” said Asghar Mostafa, President and CEO of enTourage Systems. “The ARMADA 166E gives the enTourage eDGe the power it needs to meet people’s multiple, yet simultaneous digital needs, at an attractive price point within reach of all consumers.”

“Marvell’s support was a key enabler in Plastic Logic’s development of a high performance e-reader to meet the needs of business professionals,” said Frank Canova, VP Product Engineering for Plastic Logic. “Plastic Logic plans to unveil the category’s first proReader on January 7 at the 2010 Consumer Electronics Show.”

“During our development of the Alex Reader — a dual screen e-reader that incorporates both e-ink for high contrast e-reading, and color LCD screen for multimedia playback and enhanced Web browsing, Marvell was the clear choice,” noted Albert Teng, Founder and CTO at Spring Design. “We needed a processor that could run Android while delivering outstanding multimedia performance.”

About ARMADA

The Marvell ARMADA family of application processors is the first to offer customized silicon solutions for market segments ranging from smartphones to consumer, embedded and smartbook devices combined with fully optimized support of industry standard operating systems and software frameworks such as Google Android, Microsoft Windows Embedded, Microsoft Windows Mobile, Adobe Flash, Ubuntu and Maemo while offering OEMs a high level of software re-use in order to enable them to focus on product differentiation at the application and user interface levels.

About E Ink

About Marvell

You're reading Spring Design Alex Gets Hands

Learn Spring & Spring Boot – 10X Productive Java Development

Do you want to become a Spring Developer with lots of high-demand skillsets in your toolbox? Do you want to learn how Spring Framework and Spring Boot works? You should definitely join me where we will be diving deep into the Spring Framework and Spring Boot and develop Spring MVC, Spring Data, Spring REST applications and much more starting from scratch!

List of technologies we will cover in this course is huge. Covering everything with Spring technology stack, to combine all the technologies we learned, we will build a full-featured, production-grade Spring MVC CRUD application where we will use Spring Data, Spring REST, Spring MVC, Thymeleaf, HTML5, CSS3 and Bootstrap! So we will also get a taste of UI and Front-End development too with Spring!

First, we will start by setting up our development environment. To set things up, I will show you how you can prepare your environment both on Windows and MacOS. We’ll then learn and understand how Spring Framework and Spring Boot works. We will discover the architecture of Spring Framework and Spring Boot and how everything amazingly work together and handled by the framework itself. We will make use of Spring Initializr to create all of our applications and I will teach you how you can make the most out of it. We will use both use IDE version of Spring Initializr and also start dot spring dot io. We will also learn to how to build and package our application with Maven. Then we will start by developing our first Spring Boot application! After our first application, we will start digging into Spring Boot more and learn how Dependency Injection(DI) and Inversion of Control(IoC) works. Learning DI and IoC is a crucial process in learning how Spring works and to actually work with it. When we understand DI and IoC, we will discover the world of Spring Profiles and Spring Configuration. We will activate profiles and learn how to configure our application for our specific needs.

When we grasp the inner workings of Spring, we will start developing our first web application with Spring MVC and Thymeleaf. When we’re implementing, you will understand what each and every component is and how to handle static content like Javascript, CSS, Images and much more in our application. Most importantly, you will understand what templating is and how to dinamicaly bind data to HTML pages.

After we finish our first Spring MVC application, we will learn and understand how Spring Data and JPA works and to actually implement them, we will connect to databases, create entities and repositories and persist data with Spring Data and JPA.

On top of Spring Data, we will build a RESTful API following the standards in the real-world use-cases. We will create controllers and implement all the important HTTP operations such as GET, POST, PUT and DELETE. After finishing our implementation, we will take safety measures for our RESTful API and implement ControllerAdvice and error-handling. After handing errors for our RESTful API, we will take a step back and refactor our code.

When we finish developing our RESTful API, we will take a bold step ahead and combine all the knowledge we had throughout the course to develop a full-featured Spring MVC CRUD application with a beautiful UI! We’ll make use of Spring Boot, Spring Data, Spring REST, Spring MVC, Thymeleaf, HTML5, CSS3, Bootstrap and much more!

We are not done yet! At the end of “Bring it All Together” section. We will move on with “Extras” section where we will discover lots of other great technologies and libraries we can use in our applications. To see our changes in any application and most importantly in web applications, we will discover Spring Dev Tools and Live Reload. We will also nicely document our RESTful API with Swagger where we can navigate and interact with our API. To understand the metrics of our application, we will discover Spring Actuator and kepp track of everything going on with our application. We will also learn another cool feature of Spring as it is the Spring Scheduler. With Spring Scheduler, it is really easy to schedule and trigger actions for specific timelines in any application. Then we will discover the beauty of Project Lombok to get rid of lots of boilerplate code in our application. And finaly, we will combine Thymeleaf with Spring Email capabilities to template and deliver HTML5 emails from our application.

Finally, do not forget that TutorialsPoint offers you the lifetime access to course contents from either desktop, tablet and your mobile. By taking this course, you can learn Spring technologies anywhere at your own pace and play again and again to grasp every single detail!

Again, we have a huge list of technologies that we are going to cover in this course. Spring is in huge demand these days thanks to Spring Boot and all of its offerings. If you want to jumpstart your career with Spring then join me in this course and take a huge step forward for becoming an amazing Spring Developer! 

Who this course is for:

Students who want to jumpstart their career as a Spring Developer

Students want to learn Spring and Spring Boot

Students new to Spring and Spring Boot technologies

Experienced developers who want to learn Spring Framework and Spring Boot technologies

Goals

Ways to get up and running with Spring Boot

Understand how Spring and Spring Boot works

Work with Spring Profiles and Spring Configuration

Develop Spring MVC Application from scratch

Connect to databases with Spring Data and JPA

Create repositories and manage entities

Develop a full-fledged RESTful API

Understand HTTP Request and Response lifecycles

Work with REST Template, Netflix Feign Client and Eureka Server

Develop a full-featured Spring MVC CRUD application with latest technologies

See changes instanlty with Spring Dev Tools and LiveReload

Document your RESTful API with Swagger

Schedule actions and events with Spring Scheduler

Template and send emails with Thymeleaf and Spring Mail

Prerequisites

Students should be familiar with Java Programming Language

A computer that can run Java and any Java IDE like IntelliJ or Eclipse

Spring Boot Certification Course (5 Courses Bundle, Online Certification)

About Spring Boot Certification Course

Course Name Online Spring Boot Certification Course

Deal You get access to all 5 courses, Projects bundle. You do not need to purchase each course separately.

Hours 25+ Video Hours

Core Coverage

Course Validity Lifetime Access

Eligibility Anyone serious about learning Spring Boot and wants to make a career in the application development field.

Pre-Requisites Basic knowledge about Java would be preferable

What do you get? Certificate of Completion for each of the 5 courses, Projects

Certification Type Course Completion Certificates

Verifiable Certificates? Yes, you get verifiable certificates for each course with a unique link. These link can be included in your resume/Linkedin profile to showcase your enhanced skills

Type of Training Video Course – Self Paced Learning

Software Required None

System Requirement 1 GB RAM or higher

Other Requirement Speaker / Headphone

Spring Boot Certification Curriculum

In this section, each module of the Spring Boot Certification Course is explained.

Goals

Objectives

Course Highlights

Project Highlights

Goals

The Spring Boot training program entails and aims to achieve best in class theoretical concepts and solving real-life projects so that one is prepared to tackle the toughest of the business problems with ease and be confident on proceeding with the methodology

Objectives

The course on Spring Boot will allow you to get exposed to the latest technology in Spring Boot, the most sought-after skill set when it comes to Java development. In this course we would learn about building an application from scratch using Spring Initializer. Building complex UIs is one of the kind skillsets you would sharpen in this course. We would also learn about securing our application against any malicious use of the application. Post this course we want you to be a part of that “55%” of Fortune 500 companies who have adapted Spring Boot.

Course Highlights

In this course we would start with an introduction to Spring Boot and deep dive into the features Spring Boot provides. As soon as we are done with understanding the concepts, we would go through some detailed explanation of Spring Boot through the help of an example.

Next in line we have properties of Spring Boot, annotations, and starters to go through in a detailed manner.

We would also learn about Command Line Interface through which we would be using Spring Initializr. Also, we do have tutorials about Spring Boot view and deep dive into DB connectivity using Spring Boot. We would go through In-memory Databases as well as Production level databases in this training.

We can’t leave the topic about caching untouched as caching is an integral part of memory optimization.

We would also introduce you to a custom metric which is a space in Spring Boot development that is the most widely used space in the industry as here we can create our custom endpoints.

We would also learn about the deployment of Spring Boot applications on servers.

Project Highlights

Our courses not only give you world-class theoretical training at your fingertips but makes you go through real-life problems during tutorial itself so that you are prepared to face the challenges in real life. Some of the project highlights are:

The first project is one of a kind projects which are on the Appointment management system focusing on understanding and applying Java Persistence API which is a specification for accessing, persisting, and managing data between Java objects. This project will also make you have hands-on experience of security inclusion in Spring Boot including the use of maven dependencies in Spring Boot projects.

In the next project we would be building a Shopping Cart Web app that will emphasize understanding DAO architecture. The usage of validator and controller are a crucial part of this project. One would also touch upon various configurations/views during this project.

Next project we would make an Employee management system. This project will detail you about what POJO is and how do we utilize POJO in Spring Boot along with the UI and collection part of Spring Boot. We do have a short tutorial on the usage of GIT for Spring Boot projects and finally learn about the integration of Jenkins with our Spring Boot applications.

Spring Boot Course – Certificate of Completion

What is the Spring Boot?

The main focus of this Spring Boot certification course is to make sure the trainee should learn the concepts of spring boots in-depth and will be able to work with Java to implement the approach of rapid application development. You will be how Spring Boot could be leveraged to develop the stand-alone application. We will see how java is used to develop the Microservices using the capability of spring boot. So that one should not get confused with spring and spring boot, the differences have been mentioned in this Spring Boot certification. One will also learn how Java works when it comes to using a different framework together with it to fulfill any purpose. The important thing or skill that you will learn in this Spring Boot training, you will be able to handle the errors that populate very often while using this framework in the real working environment. You will be equipped with all the skills that are required to be a developer who has a core understanding of spring boot and know how to make it solve the actual problem.

Pre-requisites

To learn this Spring Boot certification course in a short period there are some of the particulars that you should be aware of. As this framework is based on Java, the very first thing you should be aware of is Java. If you are having hands-on working experience in Java, you will find it very easy to complete the course is comparatively less time. It will help you get the depth view of Java and you will be adding much more in your existing knowledge base. Throughout the course, all the examples have been explained using Java so it is mandatory for one to know java before getting their hand in this Spring Boot training certification. The next thing is, you should have an idea about working with different frameworks. The basic working of frameworks may be different but they approach used to work with them are pretty much the same. So one who had an idea about working with other frameworks will find it lean this course.

Target Audience

Being a developer-specific course, the target audience for this Spring Boot training certification is the professionals or students who are into development or want to be a developer. But anyone enough curious to learn this course can be the best audience for this course. The professionals who are working in Java since long back are the best audience for this course. They will learn how to work with spring boot to develop the stand-alone application. They will be learning new concepts that are used while working with this framework in integration with Java. By completing this Spring Boot certification, they will be getting an edge to their career and will also accelerate their professional growth. The other best audience for this Spring Boot certification can be the students who are either into development or wants to pursue their career in the field of application development. After finishing this Spring Boot training, they will be able to work using this framework which will not just enrich them with technical knowledge but will also get the privilege in interviews or internships.

FAQ’s How long it may take to learn spring boot?

Depending upon how comfortable one is with Java and using different frameworks, it may be decided that how long one can take to learn spring boot. For the professionals who are working in java since long back may learn this within a month while for the folks who are new to java, they may take two to three months to learn this.

Why should I learn this  Spring Boot framework?

Learning the course will not just get you an edge in terms of technical knowledge but will also help you to get a fruitful Spring boot developer career. The developer these days are supposed to have ideas about effective approaches of development that you will get to know in this Spring Boot certification. You will be preferred among the norma developers once you finish this course or learn the RAD technology.

Sample Preview

Career Benefits

Spring Boot provides a platform to develop stand-alone applications in comparatively less time. It allows the developer to facilitate the development in a short time and get the application production-ready. One who has an idea about working in this framework will get lots of opportunities as the contemporary application developers are expected to have knowledge of all the approaches or technologies that facilitates the rapid development of the application. In the current time, there are several positions open for the developers who know how to work with this framework and the requirements will keep on increasing with time. If you want to be among the folks who want to leverage the flood of positions that are going to shout in the market shortly, you can opt for this course to learn this technology. By opting for this Spring Boot training certification, you will not just open doors for new opportunities but will also help yourself to grow financially as well.

Reviews

Spring Boot Certification

The course on Spring Boot was nice and simple. I have completed the training and will recommend it to others. This training starts with the basics to more complex queries and database conditions. The content is relevant to anyone seeking to learn Spring Boot to build apps. It was an amazing learning experience at EDUCBA.

Julie Perosha

Great Spring Boot Course

I like the course on Spring Boot, it is a good introduction to this web app framework. The instructor moves at a moderate pace that will not be too quick for new learners. The examples provided help to reinforce the commands being taught and provide a decent real-world application of what you will be learning.

Corbin Stabb

Interesting and Recommended!

For anyone looking to start their journey into learning Spring Boot this is a good first step. For those who have already used Spring Boot before, but want to brush up on some basics this Spring Boot certification course wouldn’t be a bad idea.

Thomas Roque

Samsung Galaxy Note Ii Hands

Samsung Galaxy Note II hands-on

Take the DNA of the original Galaxy Note, add the style of the Galaxy S III, and throw in a more comprehensive understanding of what digital pen-users want, and you’d come up with the Galaxy Note II. Samsung’s second-gen “phablet” manages to deliver a larger screen in a more pocketable form-factor than its trail-blazing predecessor, including making the digital S Pen itself easier to wield. We caught up with Samsung and the Note II ahead of its official launch at IFA 2012 to see if one of our favorite devices could really have been so improved.

Make no mistake, it’s still a big phone. Samsung has trimmed the top and bottom bezels and so managed to fit 5.5-inch screen into a space where previously a 5.3-inch one resided, without making significant changes to the overall bulk of the handset, but it still dominates the hand. Happily the blunt edges of the original Note are gone, replaced by the softer curves and glossy plastic we saw previewed in the Galaxy S III. It’s a visual trick, but it does make the Note II appear smaller.

The other big physical change is to the S Pen, which still gets a silo in the body of the phone itself, but is both longer and thicker than the first-gen version. It also has a new, rubber tip, which does make tapping and writing on the touchscreen feel less like you’re scratching away at your phone with a toothpick. The new stylus is compatible with the old Note, though of course it won’t stow away inside.

When it comes to the display, Samsung giveth and Samsung taketh away. The panel itself is bigger – and just as bright, color saturated and generally delicious as we’re used to from AMOLED technology – but you actually lose out on some pixels. The Note II runs at 1280 x 720, just like the Galaxy S III, whereas its predecessor ran at 1280 x 800. You don’t really notice the difference, but it does mean that some of the apps and changes Samsung has made for the Note II won’t be rolled back to the original Note, because of hardware differences that include the new resolution.

Samsung Galaxy Note II video demo:

Float the nib of the stylus above a gallery folder, for instance, and it will bloom up to show thumbnails of what’s in that folder (up to nine pictures at once, with the previews scrolling to show more for as long as you keep hovering). S Note gets its own homescreen pane appended onto the default list of seven, for browsing your folders of existing notes or starting a new one; alternatively, as soon as you pull the S Pen out, a blank note is brought up onscreen.

Officially, the Note II should run faster than before – indeed, we had no problems using Samsung’s Popup Play video picture-in-picture with an HD video clip, while simultaneously browsing full webpages – though we’ll need to get our hands on a review unit (and final software) to see how it holds up under true everyday stress. The 2GB of RAM is a welcome addition, though, and generally moving between apps proved lag-free.

The Galaxy Note II promises to build on that. It’s an evolutionary change, not revolutionary, but it’s further evidence of how Samsung’s “a device for every sub-segment” strategy with phones and tablets can deliver some highly appealing products, especially when you take the Korean company’s very capable supply chain into account. You can’t really argue with the Note II’s display, or its processor, or indeed its 8-megapixel camera.

What you can argue over is whether the Note II is still too big. If you felt that about the original, then this new version is unlikely to change your mind. Still, we can see the new phablet finding a similarly enthusiastic audience as its predecessor, and in a marketplace filled with me-too phone slabs, its S Pen functionality remains a welcome diversion from the norm.

Android 12 Developer Preview Hands

Related: Android 12: Everything confirmed and rumored so far

What’s new in Android 12?

Jimmy Westenberg / Android Authority

As is the case with many other early developer previews, we aren’t seeing too many visual changes to the operating system. At least, we’re not seeing the big UI overhaul that was rumored a few weeks ago. However, there are still plenty of little changes here and there.

Android 12 notifications

Based on the first developer preview, how are you liking Android 12 so far?

434 votes

Google says it’ll be quicker to open apps from notifications in Android 12. Now, developers are encouraged to have notification taps trigger Activity starts directly instead of utilizing “trampolines” to start the Activity. These can cause significant delays, so Android 12 actually blocks notification trampolines. It does this by preventing them from launching target Activities. Google says the change will only apply to apps targeting Android 12.

Jimmy Westenberg / Android Authority

It’s important to keep in mind that this is a very early developer preview. Things will most definitely change in future releases. At least, I’m hoping Google changes the amount of dimming beneath the notification shade. Usually, pulling down the notification shade applies a dim underlay that lets you see your notifications more clearly. The dimming is nearly gone in Android 12, causing the monstrosity you see above when pulling down your notifications over the settings menu.

Settings

Certain parts of the settings menu are also getting a slight visual overhaul. The search bar on the top no longer stretches all the way to the right side of the screen. It’s a bit smaller now, while the profile icon on the right side has been enlarged.

The settings menu will likely get even more of a revamp in future releases. XDA’s Mishaal Rahman found a one-handed mode that can be enabled via a feature flag on some Pixel devices. This essentially applies a Samsung One UI-like layout to the settings menu, complete with large text headers and a layout that should be much easier to reach on big-screened devices. See above for some examples.

Quick settings panel

If you aren’t a fan of certain media players appearing in your quick settings panel, you can now turn that off on a per-app basis. You can do this through a new option in the sound & vibration settings menu. Thankfully, it allows you to toggle on and off each media player you have installed on your phone. So, if you don’t want YouTube to appear in your quick settings but would like to keep Spotify or Pocket Casts, you can now make that happen.

Jimmy Westenberg / Android Authority

Left: Android 12 developer preview 1, Right: Android 11

Additionally, it should be a little easier to parse those media player notifications on your lock screen and in your quick settings menu. Google has made the media notifications a bit larger. Now, the song title and artist are shown on a single line at the top of the notification. Meanwhile, the player controls are on the bottom and the album artwork is on the left side. It looks a little less compact than before.

Other new Android 12 features

Android 11 already allowed for easier Wi-Fi network sharing, but Android 12 makes it even easier. Now if you’d like to share your Wi-Fi network with someone, just tap the Nearby button that now appears on the Wi-Fi network share screen. That will use Android’s Nearby Share feature to send the Wi-Fi credentials to whomever you’d like. See below.

C. Scott Brown / Android Authority

Ah, yes. It wouldn’t be an Android developer preview if we didn’t mention scrolling screenshot support. It’s a feature for which we’ve been clamoring for years. Thankfully, it looks like Google is one more step closer to making it a reality.

Again, XDA’s Mishaal Rahman pointed out that Android 12 does indeed have scrolling screenshot support — but it’s not enabled yet. We’re really hoping Google enables this sometime soon. This feature has literally been rumored since April 2023.

Haptic-coupled audio effects

We often talk about how important haptics are to the overall user experience of a smartphone. In Android 12, Google is adding support for haptic-coupled audio effects through your phone’s vibration motor. By using this tool, developers will be able to create more immersive game and audio experiences from the vibration strength and frequency that are derived from audio sessions. Google gives the example of a video calling app using custom ringtones to identify callers through haptic feedback, or a racing game simulating rough terrain through vibration. We have not had a chance to test this feature out, but we’re very excited to see how it works.

Improved Android 12 gesture navigation in immersive mode

Immersive mode kicks in when viewing a full-screen video, game, or reading a book. Usually, Android’s default gesture navigation requires users to swipe in from the side, then again to go back to the previous screen. Now, that second swipe is no longer necessary in things like video viewers or photo galleries: the new default in Android 12 for these circumstances allows you to swipe just one time to go back. Google says it’s still protecting apps from accidental gestures, but this should make exiting full-screen experiences much less cumbersome. If you’re running Android 12, you can try this for yourself by looking at a photo in Google Photos in full-screen mode, then swiping back from the side. Way easier than before.

Project Mainline improvements

Unfortunately, Android has always been associated with slow software updates, but Google is doing its best to make that a thing of the past. In Android 12, Google has added the Android Runtime (ART) module to Project Mainline. By adding this module, Google can issue improvements to runtime performance, manage memory, and make Kotlin operations much faster without requiring a full system update.

HEVC support for unsupported apps

Many of today’s camera apps are able to capture in HEVC format thanks to hardware encoders built into mobile devices. Some apps don’t support the format. For those apps, Google is introducing compatible media transcoding into Android 12, which transcodes files into the AVC format even if the app doesn’t support HEVC. Google says the transcoding process takes time: a one-minute 1080p video at 30fps takes around nine seconds to transcode on a Pixel 4. It will be incredibly easy for developers to opt-in to the transcoding service, too.

Android 12 AVIF image support

Android 12 introduces support for AV1 Image File Format (AVIF). This image format uses the intra-frame encoded content from video compression. In theory, this could “dramatically” improve image quality for the same file size when compared to JPEG images. See above for an example.

Easier rich content insertion in apps

Google is making it easier for apps to move and receive rich content like images, videos, audio files, and more. Android 12 introduces a unified API that lets apps accept content from any source, be it a clipboard, keyboard, or drag and drop. Through a new interface called OnReceiveContentListener, apps will get a callback when content is inserted from another source. This interface is where all content insertion will be handled, no matter the content type.

Multi-channel audio improvements

Android 12 adds support for MPEG-H playback in passthrough and offload modes. Additionally, audio mixers, resamplers, and effects have been optimized for up to 24 channels.

Optimizations to foreground service

Android 12 will block foreground service starts from the background for applications that target Android 12. To help make this possible, Google is introducing a new expedited job in JobScheduler that gets elevated process priority and runs immediately regardless of battery constraints. This should lead to fewer killed apps and smoother app performance. Android 12 will also delay some foreground service notifications by up to 10 seconds, allowing short-lived tasks a chance to complete before notifications are shown. Translation: fewer distractions for users when opening apps from notifications.

Also read: Android 11 review: The devil is in the details

Should you install Android 12?

As with all developer previews, you should install them at your own risk. This is only the first developer preview for Android 12, and it’s meant only for developers. If you choose to install it, be aware that you may run into significant performance-related bugs and various software issues. Generally, it’s a good rule of thumb to hold off on installing early builds of Android at least until the first beta build arrives. Even then, you can expect to run into a few annoying bugs.

If you own a Pixel and use it as your primary device (and if you don’t have a secondary device), we do not recommend installing the first Android 12 developer preview. However, if you have a secondary Pixel smartphone lying around that you don’t regularly rely on, then go crazy. You can follow these instructions to install Android 12 on your Pixel.

Pycon Montreal 2024 Tutorials – Hands

Introduction

PyCon(s) carry a benevolent motive of helping the Python community worldwide by providing extensive knowledge resources. I started following PyCon conferences from 2013. My first learning experience from PyCon tutorials & workshops inspired me to follow it back in the year 2014 and this craze continued in 2024 as well.

You can check out the training recommendation for tutorials of Pycon 2014 here.

Watching these PyCon videos has been an immense learning for me and I am glad that I could spare time to go through them. The event is divided in 2 parts: Tutorials (Workshops) or talks. Workshops aim to provide 3 hour hands on sessions where the instructor also acts as a facilitator. In this article, I have compiled a list of workshop videos you should watch from PyCon 2024.

To remove the confusion (because there are quite a few talks on data science here), I have made a recommended roadmap. This roadmap is a sequence of tutorials & workshop held at PyCon 2024 watched in a structure.

Let’s get started!

List of Workshops at PyCon 2024

Below is the roadmap of the workshops held at PyCon 2024. We recommend beginners to watch these videos in the listed sequence to help understand these concepts better, intermediates & experts can watch these videos as per their ease.

Good place to start learning data science in Python! Watch Sara explain these concepts in very simple manner. This video will be helpful for anyone wanting to perform data analysis in Python.

I personally use IPython notebooks for the interactive data exploration and recommend it to every data science professional. In case you are wondering what are Python notebooks? this video is just the right place to start. It provides a super basic introduction of notebooks in Python, which then moves on to the explanation of super developed notebooks for Python such as iPython and Jupyter.

Data Science in Python couldn’t have been effective without Pandas. This video will help you to understand Pandas by performing various exercises as practiced by the instructor. He emphasises more on learning while solving exercises. Apart from that, you will get to know about various functions in panda that you might have missed out till now.

This videos demonstrates the methods to make statistical inferences in Python by evaluating the sample, quantifying precision, hypothesis testing and performing similar steps. The instructors also reflects upon the massively scalable potential of python in statistical analysis.

This workshop beautifully explains the concept of data visualization supported by various other features (matplotlib) of python which are used to make your visualizations more apt and appealing. It also feature sets of challenges which will definitely excite your grey cells.

Remember the Monty Python’s Deal of No Deal? This video is must watch for anyone who is wanting to learn Bayesian statistics from scratch. This workshop begins with deriving Bayes theorem, then proceeds to the Bayesian statistics followed by solving some real world cases. It gives an awesome in-depth overview of Bayesian statistics.

This video explains the in depth concepts of Machine Learning. It begins with explaining machine learning with scikit-learn, then explains the concepts of supervised and unsupervised learning and eventually, concludes with model validation. This is useful hub of knowledge for machine learning enthusiasts.

This video starts from where the previous one ends. It further deep dives into the concepts of machine learning, thereby, explaining the concepts such as heterogeneous data modelling, text feature extraction, clustering, large scale text classification for sentimental analysis etc. followed by some practice exercises, which will definitely compel you to think hard.

This video reveals how does winning data scientists think while solving Kaggle competitions? Here, the instructors has intended to create a contest similar to Kaggle competition among the attendees by forming their groups and helping them with the required tips, tricks, hacks used to solve such questions.

By watching this video, you will get acquainted with the concept of recommendation problem supported by its challenges and solutions. It also covers various practice problems on pandas, DataFrames, setup evaluation functions, test dummy solutions etc.

Networks Redefined! This is one of the best video I have come across pertaining to Network Analysis. The instructor tries to explain the these concepts in the most simpler manner. This video illustrates every possible example which can help you to understand this concept without any difficulty.

Lately, I met a lot people who are wanting to learn more about Twitter Analysis. This is a must watch for the ardent lovers of social media analysts. In this video, twitter network analysis has been explained using the concepts of network theory/networkX and twitter APIs.

This is a good resource available for learning Hadoop with Python. The instructor flawlessly explains the concepts such as MapReduce, Pig, Snakebite for HDFS, HBase, Spark & PySpark in a simple manner. This is a must watch if you are inclined towards big data.

14. Introduction to Spark with Python

This video explains the distributed data processing framework – Spark. Spark is based on resilient distributed datasets. It is generally used for big data processing. The trainer has taken the coding, altogether to a different level. This video is helpful for group of enthusiasts who make use of python for handling big data.

End Notes

In this article, we covered the list of data science related workshops held at PyCon Montreal 2024. We also defined a roadmap to help beginners learn python one step at a time. I believe these are fantastic resources for hands on learning and developing data science skills.

If you face any difficulties while learning Python, feel free to ask us here. In the next article, we’ll bring up the list of most useful talks related to Data Science in PyCon 2024.

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