In this book, we take you on a fun, hands-on and pragmatic journey to learning Android application development using Kotlin. You’ll start building your first Android app from scratch within minutes. Every section is written in a bite-sized manner and straight to the point as I don’t want to waste your time (and most certainly mine) on the content you don’t need. In the end, you will have the skills to create an app and submit it to the app store.
In the course of this book, we will cover:
Chapter 1: Introduction & BMI Calculator AppChapter 2: Quotes App Using RecyclerViewChapter 3: To Do List App Using RecyclerView & Shared PreferencesChapter 4: To Do List with RealmChapter 5: Connecting to an API: Cryptocurrency Price TrackerChapter 6: Connecting to GitHub API – Search GitHub Users AppChapter 7: Face Detection, Text Recognition with ML KitChapter 8: Publishing Our App
The goal of this book is to teach you Android development in a manageable way without overwhelming you. We focus only on the essentials and cover the material in a hands-on practice manner for you to code along.
Requirements
No previous knowledge of Android development or Kotlin required, but you should have basic programming knowledge. We will learn how to make Android apps while at the same time learning the Kotlin programming language.
ASIN : B0BMT2PP5Z Publisher : Independently published (November 21, 2022) Language : English Paperback : 177 pages ISBN-13 : 979-8364799012 Item Weight : 14.4 ounces Dimensions : 7.5 x 0.4 x 9.25 inches
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Specification Table
Processor AMD Ryzen 5 Pro 4650G GPU AMD Radeon Graphics Operating System Windows 11 Pro Memory Type DDR4 SSD Interface PCIe NVMe Memory Slot 4 Connectivity Wi-Fi & Bluetooth 5.1 System Security dTPM 2.0 chip Wired KB & Mouse Yes Color Raven Black Width 3.6″ Depth 11.7″ Height 13.4″ Weight 11.7 lbs
【High Speed RAM And Enormous Space】32GB DDR4 UDIMM to smoothly run multiple applications and browser tabs all at once; 512GB PCIe M.2 Solid State Drive + 1TB HDD allows to fast bootup and data transfer 【Processor】AMD Ryzen 5 Pro 4650G (6 Cores, 12 Threads, 8MB L3 Cache, 3.70GHz base frequency, up to 4.20GHz max turbo frequency), with AMD Radeon Graphics 【Tech Specs】1 x USB-C 3.2 Gen 1, 2 x USB-A 3.2 Gen 1, 2 x USB-A 3.2 Gen 2, 1 x headphone / microphone combo jack (3.5mm), 1 x microphone (3.5mm), 4 x USB 2.0, 1 x HDMI 1.4b, 2 x DisplayPort 1.4, 1 x Ethernet (RJ-45), 1 x line-out (3.5mm), 1 x serial (9-pin), 1 x Power connector, 1 x Power button, Wired Keyboard & Mouse, Wi-Fi 5 【Operating System】Windows 11 Pro – Organize open apps with pre-configured layouts to optimize productivity, Navigate with more intuitive experience to get things done, Collaborate with teams with more features
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Built in Cable for iPhone, USB C Cable, Micro USB Cable for All Devices
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You can find us on your manual or through your order.
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Say goodbye to tangled wires and multiple chargers with the Charmast Portable Charger. Its built-in cables and wall plug make it compatible with all phones, so you can travel light without worrying about charging woes with this battery pack. Need a quick boost for your phone? The Charmast Power Bank has got you covered. With its 20W PD and 18W QC 3.0 fast charging, you can power up your iPhone 13 from 20% to 70%, or Samsung S21 from 20% to 60% in just 30 minutes—three times faster than an original 5W charger. Don’t let low battery levels slow you down. With its massive 20000mAh capacity, the Charmast Portable phone charger can provide 2.71 charges for iPhone 15 pro max, 3.75 charges for iPhone 14 Pro Max, 3.87 charges for iPhone 13, 1.55 Charges for iPad 10th generation, 2.4 charges for your Samsung Galaxy s22 ultra, and 4.33 charges for your Google Pixel or One Plus 11. Looking for a portable power bank that’s both powerful and compact? The Charmast Power Bank fits the bill. Weighing just around 12.99 ounces, this slim-profile charger offers a comfortable grip and fully rubberized cover for added protection against scratches and drops. Get peace of mind with the Charmast Portable Charger. Our 24-month support, and 7-day/24-h friendly customer service. If you have any problems, please contact us and we will solve them within 24 hrs.
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Clear HD Camera, Front 2.0MP and Back 8.0MP, Use tablets for photograph, and Videos.
Support Bluetooth and Wifi, Quick connect and surfing internet more smoothly.
10 inch Android 13 Tablet
This tablet use a 10 inch IPS Screen. 1280*800 Resolution, 2.5D edged wide-viewing glass screen with vivid colors,stays clear in any light and “reading mode” to reduce harmful light to the eyes. which offers you a great viewing experience when you watching movie and surfing internet.
Ideal Gift Choice
This tablet has a lightweight, stylish design, and excellent performance. Ideal for various life scenarios. For example, reading, watching movies, music, photography, online classes, etc. Therefore, this tablet is very suitable as a gift choice. Such as Easter, Halloween, Black Friday, Christmas, etc.
Big Storage Tablets
Tablet with 8GB (4GB + 4GB expansion) RAM and 64GB ROM. Support Up to 512GB Expand.
You can storage more apps, photos, musics, videos and games.
HD Camera
This Android tablet adopt back 8.0MP and front 2.0MP HD Camera. Good for taking photos and video calls. Meets daily demands. Suit for home and travelling.
Entertainment and working tablet
This tablet is suitable for all age groups, seniors can use it for online lesson and do school work. Office workers can use it to participate in video conferences middle. Meets the most situation in daily life.
【Powerful Processor】10 inch tablet loaded with Android 13,features a high speed Processor,delivering quick app launches,making your app run smoother. 8GB (4GB+4GB expansion) RAM,64GB Storage,includes a micro sd card slot which can expanded up to 512GB, you can download any app such as YouTube,Instagram,Skype,Netfix,Games and more,meet your daily requirement. 【Fast Response】This portable tablet provid a superior experience of entertainment, browse, games and shopping.Support Wi-Fi,delivering high-speed and stable network connections.Features Bluetooth 5.0,provides faster transfer speeds communication distances than Bluetooth 4.2. photos,videos,and music transfer become easy and faster. 【1280*800 IPS Screen】The andriod tablet equipped with 1280*800 IPS display, 2.5D edged wide-viewing glass screen with vivid colors,stays clear in any light which offers you a great viewing experience when you watching movie and play game. It is also a good choose use it for online lesson and do school work. 【6000mAH Long Battery Life】Equipped With a 6000mAh battery for 8-10 hours mixed use.Providing a long-lasting reading and watching times,enjoy your favorite activities and apps for longer.Convenient to charging via Type C USB cable. Package include: Tablet *1, Cable*1. 【Dual Speaker and Camera】Featuring with dual speakers,powerful audio,improved entertainment experience.With front-facing 2.0 MP and Rear 8.0 MP dual cameras,convenient for capturing and sharing great monment with friends and family.
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KAIGERR LAPTOP
Service Team
【EFFICIENT PERFORMANCE】KAIGERR AX16 Laptop featuring the latest Intel 12th Gen Alder Lake N97 processor (4 cores/4 threads, 6MB cache, up to 3.6GHz). Outperforming the Pentium N5030 and Celeron N5095, it delivers robust multitasking capabilities. The laptop computer has an integrated Intel UHD graphics card clocked at up to 1200MHz for stronger graphics processing performance. KAIGERR laptop is designed to elevate your computing experience. 【Powerful Configuration】Featuring 16GB of DDR4 RAM and a speedy 512GB M.2 SSD, this notebook offers a 50% performance boost compared to DDR3-equipped machines and ensures seamless system operation while accommodating your personal files. Support expand your storage with a 128GB TF card, and enjoy the convenience of a pre-installed operating system. The 512 GB SSD can be replaced with a maximum SSD of 2TB to provide you with ample space to record and store your files/favorites. 【16.0 INCH Visual Treat】Immerse yourself in a 16.0-inch laptop experience with an innovative thin-bezel display, offering more screen real estate for immersive viewing. The colors of the 16 inch traditional laptop are fuller, more vivid, and concise, the details on the screen are clearer, and the viewing angle is wide. It will create extraordinary visual effects for you. 【LONG BATTERY LIFE】 Take KAIGERR laptop PC with you anywhere without bringing the power adaptor. Its 38Wh long battery life gives you the flexibility to work or play anywhere for 8 hours. The long battery life and reliable performance make your life and work more secure. 【KAIGERR: Quality Laptops, Exceptional Support.】Enjoy peace of mind with unlimited technical support and 12 months of repair for all customers, with our team always ready to help. If you have any questions or concerns, feel free to reach out to us—we’re here to help.
YiziAifsion focus on TV Antenna for over 10 years. Committed to upgraded TV Antennas to receive more Crystal HD Channels.
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FREE FULL HD CHANNELS: Tired of paying hugh cable bills? YiziAifsion tv antenna for local channels let you enjoy hundreds channels with no pixelation! TV Antenna indoor access the news,sitcoms,kids and sports programs! Antenna TV can all the local channels 1000+ MILES RANGE RECEPTION: 2024 Upgraded tv antenna equipped with the newest smart IC chip optimize the signal transmission protection against interference with other signals. TV Antennas make sure you can get more channels if far away broadcast towers INDOOR OUTDOOR ANTENNA: Indoor TV Antenna can receive signals from 360° direction. Digital TV antenna indoor work great in anywhere,especially for customers whose televisions are quite far away from windows! Choose this strongest outdoor tv antenna now BUILT-IN AND CRYSTAL PICTURES: TV antenna for smart TV Indoor adopted new generation and built-in Smart IC,you can get instant and steady signals,and make your family enjoy kinds of TV shows with crystal quality pictures! Watch local channels without cable PORTABLE DESIGN AND EASY TO MOUNT: Digital antenna for smart tv indoor comes with 25ft coaxial cable,you can set it behind your TV,on the wall or window. You can get tons of channels in your living room, bedroom, basement and RV with antenna for smart tv Tips: If your house is close to a broadcast tower (within 35 miles), switch the antenna to “Short Range”,the yellow light is on.Otherwise (outside 35 miles), switch to “Long Range” and the green light is on
IP55 waterproof and high brightness can adapt to various outdoor weather, which can be used for terrace, backyard or gardens.
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15.6″ smart portable TV, 10000mAh rechargeable battery, IP66 waterproof, perfect for car camping travel
12V Smart RV TV & Bathroom TV
Kitchen TV
Bring this TV into your kitchen and instantly turn your kitchen into a smart kitchen that cooks and entertains.
Outdoor Soundbar & TV Brackets
Sylvox is a global smart specialty TV development, manufacturing and Internet application development services company. We have accumulated more than 15 years of specialty TV industry, our industry chain covers Europe, America, Africa, China, Japan…
How do we start?
TVs are not just for the living room. With due consideration of the complexity and variability of indoor and outdoor environment, Sylvox has launched a variety of TVs suitable for various scenes.
What are we focusing on?
Sylvox focus on home furnishing, commercial TVs, including Outdoor TVs, RV TVs, Bathroom TVs, Kitchen TVs, Portable TVs, etc… To meet the needs of our users anywhere at any time, Integrate the TV perfectly with the user’s usage and the home design, give the users a premium and comfortable experience at home and outdoors.
Latest Smart Google TV System: This RV TV is equipped with the latest Google TV system, offering a wide range of applications, a cleaner interface, and smarter viewing modes. Google TV also provides a dedicated remote control with a Google Assistant button, allowing users to easily discover content through voice commands. Google Play & built-in Chromecast: 12V smart TVs provide access to the Google Play Store, enabling users to browse and download various applications, games, and media streaming services. With built-in Chromecast support, users can effortlessly stream and display content from their mobile devices or computers onto the TV screen. Supports DC and AC Power Supply: Our RV TVs can be directly powered by the RV or yacht battery, with wide voltage protection and shock resistance, suitable for voltage ranges of 10.5V-28V. It also comes with a power adapter, allowing usage under a 110V AC power supply. Suitable for various scenarios. 1080P HD Picture Quality and Built-in 2 HiFi Speakers: The Smart RV TV offers stunning 1080P high-definition picture quality, ensuring a crisp and immersive viewing experience. It also comes with two built-in HiFi speakers, delivering rich and immersive audio for an enhanced entertainment experience. Rich Connectivity Ports: Sylvox 12V TVs feature HDMI, USB, RJ45, Optical, RF, AV, and other ports for connecting various devices. They can also be connected wirelessly via Bluetooth and WiFi. Whether at home, on the road, or during camping trips, you can enjoy TV entertainment anytime.
Providing satisfied consumers from 57 countries and regions worldwide with outstanding video & audio accessories for 4 years, WARRKY strives for aesthetic design, wonderful quality, frustration-free package, and easy-to-reach customer support.
We keep listening to your needs and are having more exciting series coming soon. Grow with us and stay tuned!
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HDMI Switch 3 In 1 Out
USB-C to HDMI Adapter 4K 60Hz
Package Dimensions : 8.27 x 6.85 x 0.63 inches; 2.82 ounces Item model number : WARRKY-AV-CH13B3 Date First Available : May 16, 2020 Manufacturer : WARRKY ASIN : B087213LB3
[Effortless Plug & Play] Crystal-clear and vibrant 4K@30Hz resolution backward compatible for 1440P@60Hz and 1080P@120Hz. Instantly mirror or extend UHD content from your Type-C phone, tablet, laptop, and desktop computer to larger displays like monitors, TVs, and projectors. Leave behind the worries of unstable WiFi and the hassle of drivers. HDCP compliance lets you enjoy media streaming without any limitations. *Note: one-way chord, exclusively from USB-C host devices to HDMI displays. [Exquisite Craftsmanship] Every detail is meticulously designed for excellence: The gold-plated connector ensures secure and high-speed data transmission, delivering interference-free performance. The uni-body molding ensures an unbreakable connection, while the aluminum case efficiently dissipates heat for extended usage. The thicker copper wire minimizes signal loss, providing maximum conductivity for an impeccable audio-visual experience. [Intricate Design] Elevate your experience with impeccable materials. The nylon braided cable jacket offers worry-free usage, eliminating concerns of fraying, heating, or kinking. The non-slip thumb grip provides a comfortable and secure plug-in experience. The streamlined metal pieces seamlessly connect, offering shock-proof reliability. Bonus Velcro tie adds convenience for travel. The stylish gray metallic case with a hint of blue embodies elegance and sophistication. [Extensive Compatibility] Designed for Type C ports with video output capability (DP Alt Mode) and Thunderbolt 3 & 4. Enjoy compatibility with a wide range of devices, including iPhone 15 Series, Apple MacBook Pro (2016 and later), iMac (2017 and later), MacBook Air (2018 and later), iPad Pro (2021 and later), Mac Studio, Mac Pro, Surface Book 2/3, Surface Laptop 3, Dell XPS 15/13, HP Chromebook x360, Samsung Galaxy S23/S22/S21/S20/S10/S9/S8, Note 20/10/9/8, LG V40, Steam Deck, and more. [WARRKY: Elevating Connections in Work and Life] Provides superb-quality products that harmonize sophistication and affordability, helping you enhance both your work and personal life. We are committed to delivering fast and responsive support within 18 hours. Please consult WARRKY anytime.
Kensington’s W2050 Pro 1080p Auto Focus Webcam provides a wide field of view to accommodate multiple participants and adds the professional touch to today’s video conferencing applications. Optimized to showcase your team, your background, or yourself, the W2050 delivers crisp high-quality video (1080p @ 30fps), dynamic zoom, two omnidirectional stereo microphones, flexible camera placement, and excellent low light imaging. Host a meeting, highlight your location, present a whiteboard, or conduct a product demo. Be a part of Kensington’s Professional Video Conferencing ecosystem—an elevated experience that empowers you to spend more time collaborating and less time troubleshooting. The W2050 provides a powerfully flexible experience—on Microsoft Teams, Google Meet, Zoom, and more. The W2050 accommodates both USB-A and USB-C devices like laptops and desktops—so you can present like a pro on any device High precision glass lenses deliver professionally crisp and vibrant video at 1080p (1920×1080/30fps)—with automatic focus and large sensor for excellent low-light performance Customize your video settings with the click of a button. Use Kensington KonnectTM to optimize your focus, lighting, and experience in any setting Manually adjust your webcam up to 37° vertically and 360° horizontally to ensure the best camera angles. Take control with electronic pan, tilt, and 2x zoom (ePTZ) to showcase you, your products, or your team Two omnidirectional stereo microphones with noise-reduction and echo-cancelling technology ensure you sound like a pro in every meeting and presentation The W2050 accommodates both USB-A and USB-C devices like laptops and desktops—so you can present like a pro on any device Create a tailored Professional Video Conferencing setup based on your environment and budget by combining the W2050 with a Desktop Stand (K87651) and Ring Light (K87653)—and Kensington Konnect will bring it all together Meets MIL-STD-810H Method 504.3 Contamination by Fluids with disinfectants with no degradation.* *No visual degradation or inability to use as directed upon test completion Connect with confidence knowing Kensington stands behind the W2050 with a 2-year warranty
OKIOCAM S-4K – Featuring an 8-megapixel CMOS Sensor, the S-4K USB Document Camera captures real-time images at Ultra High Definition up to 3264 x 2448p. It offers enhanced low-light performance, image noise reduction, and vibrant color reproduction. You can even get the optional Tech Pouch to perfectly store the camera and carry it in your bag protected! LAG FREE STREAMING – Experience lag-free streaming at up to 30fps in full HD, and up to 15fps at maximum resolution. Features 4 button controls, allowing users to easily re-adjust focus, set the desired exposure and zoom levels, and flip the image 180 degrees CAPTURES LETTER-SIZE IN LANDSCAPE – The S-4K is capable of viewing Letter-size materials in LANDSCAPE orientation despite its portable size. It is the best portable document camera for teachers who have no space to waste! To ensure durability, all of the S4K’s hinges endured over 10,000 rotations in lab testing INCLUDES OKIOPoint – Enjoy AI-tracking for documents with the OKIOPoint visual pointer on the OKIOCAM Live software. OKIOCAM Live breathes life into your classroom presentations by making lessons fun and engaging. Watch the VIDEO to see how it works! Wherever you point using OKIOPoint, the camera will zoom in and follow COMPREHENSIVE SOFTWARE TO CHOOSE FROM – Download a variety of feature-packed software offering live image annotation, digital zoom, rotation, video recording, snapshots, stop-motion, timelapse, and more! The S-4K document camera is plug and play and compatible with Windows, Mac, iOS, Chrome and interactive display operation systems.
AI Hand Warmers Rechargeable 2 Pack 【Hand Warmers with Long Battery Life】Hand warmers rechargeable 2 pack with 6000mAh,a single full charge will up to 20 hours of use,2-in-1 large battery capacity electric hand warmers can meet the needs of one day’s use,no longer afraid of the cold of winter. 【Portable 2-in-1 Pocket Size Hand Warmer】Rechargeable hand warmers 2 pack net weight 3.5oz, only 30% of the weight of traditional hand warmers, 30% of the size of the phone.2 in 1 hand warmer small size and light weight,easy to carry, easy to put in pocket and warmer to warm your hands at the same time 【Handwarmers with 3 Gears Temperature】Fast Heating Handwarmers with 3 Levels temperature to meet the needs of various places,adopt new temperature control chips,it can keep a stable heating temperature, first/second gear temperature is suitable for indoor,study use, second/third gear temperature is suitable for outdoor,camping,hunting,golf 【Safe and Eco-friendly fast heating】Reusable hand warmer adopt new semiconductor heating materials and temperature control chips,fast heating up in 3 seconds, the use of electric energy into heat, no fuel, no waste gas, good environmental protection 【Great Winter Gifts】Electric hand warmers rechargeable keep your hands warm throughout the winter,great gifts for men,women,kids,mom,dad,freinds.gifts for christmas.Surprise your family and any women and men you care about, with the best gift for Christmas, Birthday, Thanksgiving, or Valentine’s Day. Gifts can not only warm her hands but also make his heart feel warm.
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