Android Basics

In this tutorial, we will how to create the First project in Android. In the last tutorial, we learned about the Android studio. I hope you have downloaded and installed the Android studio in your machine. In this tutorial, we will learn how to start First Project your first Android project in Android studio. Apart from starting a project, we will also discuss here the project structure because it’s so important to know about the project structure to make an Android App. In case you don’t have Android Studio installed on your machine. Please Install it Now. Steps to Start First Project in Android: In very first step click on File->New->New Project. After Clicking this a dialogue box will popup. In this Dialog box, you will see some activity templates. At present we will just click on Empty Activity and then click Next. This Dialog box you have to write Name of your Application, Package name for your Application, location where you want to save you project and language from Kotlin or Java and then minimum API level we are choosing here API 21 here. Then click on Finish button. This is the final screen you will see. We have successfully started our first project. Please try to keep you laptop/PC connected to internet in starting because sometimes Android studio download some required things from internet. Parvesh SandilaParvesh Sandila is a passionate web and Mobile app developer from Jalandhar, Punjab, who has over six years of experience. Holding a Master’s degree in Computer Applications (2017), he has also mentored over 100 students in coding. In 2019, Parvesh founded Owlbuddy.com, a platform that provides free, high-quality programming tutorials in languages like Java, Python, Kotlin, PHP, and Android. His mission is to make tech education accessible to all aspiring developers.​ new.owlbuddy.com

Welcome to the captivating world of Android application development! Every Android app is built upon a foundation of essential components that orchestrate its functionality and user experience. In this engaging tutorial, we'll dive into the core Android Application Components, unlocking the secrets behind their magic. From Activities that shape your app's screens to Services running seamlessly in the background, we'll explore each component and its unique role in creating powerful Android applications. 1. Demystifying the Android Manifest: Before we embark on our journey through Android's components, let's begin with the all-important Android Manifest. This master file holds a treasure trove of information, including hardware specifications, app components, required permissions, and much more. We'll delve into the details of the Android Manifest in our next tutorial. For now, let's focus on the building blocks of every Android app. 2. Activities: Unraveling the Screens of Your App: Imagine an Activity as a window to your app's soul. Each screen within your app, like the captivating UI for user login, is an Activity. Your app can have multiple Activities, each serving different purposes. We can customize the layout of an Activity using Views or Fragments (topics we'll explore in upcoming tutorials). Embrace the Activity class as the proud parent of all your Activities. 3. Services: Silent Heroes in the Background: Some tasks within your app don't need a visible UI but require dedicated background processing. Meet the unsung heroes called Services. They handle background tasks like the alarm clock that triggers timely notifications even when your app isn't in the foreground. Services use the Service class as their guiding light, allowing your app to multitask efficiently. 4. Content Providers: Data Sharing Maestros: Data sharing between different apps is a breeze with Content Providers. These wizards enable your app to share data with others, promoting seamless communication between applications. All Content Provider classes come under the nurturing guidance of the Content Provider parent class. 5. Intents: The Messengers of Android: Picture Intents as the messengers that carry messages throughout the Android universe. Need to start or stop an Activity or Service? Intents have your back, connecting various components within or even between apps. These versatile couriers enable seamless communication, expanding your app's horizons. 6. Broadcast Receivers: Receiving Intents with Grace: When an Intent reaches its destination, Broadcast Receivers come into play as gracious receivers. They accept these Intents and act upon them, initiating relevant actions within your app. It's like an elegant dance of communication, making sure nothing is missed. 7. Widgets: Captivating UI on the Home Screen: Widgets bring a touch of your app's magic to the user's Home screen. They offer an interactive UI for quick access and interaction. Think of the music player widget that lets you control your tunes directly from the Home screen. Get creative and make your app stand out with enticing widgets. 8. Notifications: Capturing User Attention: Notifications are the artists of attention, capturing the user's focus with timely updates. Whenever a new message arrives, your device notifies you instantly. Harness the power of notifications to keep users engaged and informed. Conclusion: Congratulations! You've now unlocked the secrets of Android's basic application components. With Activities forming your app's screens, Services diligently working in the background, and Intents and Broadcast Receivers gracefully communicating between components, you have the tools to create a captivating Android experience. Embrace the power of Widgets to make your app shine on the Home screen and master Notifications to keep your users engaged. As you embark on your Android development journey, remember that understanding these components is the first step toward creating exceptional apps that resonate with users worldwide. Happy coding! Parvesh SandilaParvesh Sandila is a passionate web and Mobile app developer from Jalandhar, Punjab, who has over six years of experience. Holding a Master’s degree in Computer Applications (2017), he has also mentored over 100 students in coding. In 2019, Parvesh founded Owlbuddy.com, a platform that provides free, high-quality programming tutorials in languages like Java, Python, Kotlin, PHP, and Android. His mission is to make tech education accessible to all aspiring developers.​ new.owlbuddy.com

In the palm of your hand, you hold a world of possibilities, thanks to Android, the leading mobile operating system. Behind its vibrant interface and a vast array of apps lies a captivating architectural marvel that fuels its seamless performance and delightful user experiences. Curious to peek behind the curtain? In this article, we'll embark on a journey to unravel the mysteries of Android's architecture, bringing you closer to the heart of this technology wonder. The Building Blocks: Android's Layers: Imagine Android as a well-organized skyscraper, with each floor serving a specific purpose. At its core, we find the solid foundation known as the Linux kernel. This powerful layer handles essential tasks like memory management, process handling, and device drivers, ensuring that everything runs smoothly behind the scenes. 1. The Powerhouse: Android Runtime (ART/Dalvik) Now, let's take the elevator to the next level, where the Android Runtime (ART) takes the stage. Its primary role is to execute and manage Android applications. Before ART stole the spotlight, Dalvik was the star of the show, but ART's debut brought improved performance and efficiency, dazzling the audience. ART/Dalvik transforms the code of Android apps (often written in Java or Kotlin) into a format that your device's processor can effortlessly comprehend and execute. It's like translating a foreign language into one your device understands, making it perform like a virtuoso. 2. The Bridge to Excellence: Framework Layer As we ascend further, we arrive at the Framework layer, a crucial connector in this architectural symphony. This layer serves as an abstraction heaven, offering a set of APIs that app developers can use to access various system services and hardware functionalities with ease. Imagine it as a magical portal, eliminating the need for developers to tinker with complex hardware intricacies. Activities, Content Providers, Location Managers, and Notification Managers are just a few of the talented performers on this stage, orchestrating the perfect harmony of user experiences. 3. Where Dreams Come True: Application Layer Finally, the top floor of our Android skyscraper is reserved for the stars of the show: the apps themselves. From the most straightforward utilities to the most captivating games and productive tools, this layer houses a vibrant community of apps that cater to your every desire. Brilliant developers breathe life into these apps, utilizing the Framework layer's functionalities to create experiences that are as diverse as they are captivating. Here, creativity knows no bounds. 4. The Master Plan: Android Manifest No architectural masterpiece is complete without a detailed blueprint, and for Android, the Android Manifest is precisely that. This vital file provides essential information about each app to the Android system, such as its identity, required permissions, and various components. It's like the VIP pass that grants access to the Android world, ensuring smooth integration into the grand Android ecosystem. 5. Safeguarding the Oasis: Security Measures In this grand architectural spectacle, security plays a leading role. Android's design emphasizes robust protection, combining Linux's fortified security features with a nifty sandboxing mechanism for apps. Imagine each app dwelling in its own magical bubble, preventing them from interfering with each other's data and ensuring your privacy remains unbreachable. To add an extra layer of safety, Android's permission system allows you to grant or deny specific permissions to apps, putting you firmly in control. Conclusion: As we conclude our journey through the architecture of Android, we hope you now see it as a spellbinding blend of technology and creativity. Behind the curtain, Android's layers work in perfect harmony, creating a mobile operating system that empowers you to explore endless possibilities. So, the next time you tap that app icon or immerse yourself in a captivating game, take a moment to appreciate the captivating architectural brilliance that makes it all possible. Android's architecture is not just an engineering marvel; it's a captivating tale of innovation and magic that continues to shape the future of mobile technology. Parvesh SandilaParvesh Sandila is a passionate web and Mobile app developer from Jalandhar, Punjab, who has over six years of experience. Holding a Master’s degree in Computer Applications (2017), he has also mentored over 100 students in coding. In 2019, Parvesh founded Owlbuddy.com, a platform that provides free, high-quality programming tutorials in languages like Java, Python, Kotlin, PHP, and Android. His mission is to make tech education accessible to all aspiring developers.​ new.owlbuddy.com

Welcome to Android App Development tutorial series of Owlbuddy. In this tutorial, we would learn about how to install android studio and about the components of android studio and also about the project structure of android studio. Now a question might be come in your mind that what is Android Studio? Android Studio is IDE(Integrated Development Environment) software which allows us to develop applications for the Android operating system. Click here to Download Android Studio. Parvesh SandilaParvesh Sandila is a passionate web and Mobile app developer from Jalandhar, Punjab, who has over six years of experience. Holding a Master’s degree in Computer Applications (2017), he has also mentored over 100 students in coding. In 2019, Parvesh founded Owlbuddy.com, a platform that provides free, high-quality programming tutorials in languages like Java, Python, Kotlin, PHP, and Android. His mission is to make tech education accessible to all aspiring developers.​ new.owlbuddy.com

In this tutorial, we will learn an introduction to Android. Android is a mobile operating system developed by Google. It was released to the public in August 2008 and has come to the most-used smartphone operating system in the world. The popularity of Android can be attributed to its robust features and ease of use, which allow users to connect with friends, manage their social media accounts and indeed play games, all from their smartphones. Note! Basic knowledge of Java Programming is required to follow this tutorial series. If you are not familiar with Java please click here to learn Java. History of Android Version Name Released On Android 1.0   September 23, 2008 Android 1.0   September 23, 2008 Android 1.5 Cupcake April 27, 2009 Android 1.6 Donut September 15, 2009 Android 2.0 Eclair October 26, 2009 Android 2.2 Froyo May 20, 2010 Android 2.3 Gingerbread December 6, 2010 Android 3.0 Honeycomb February 22, 2011 Android 4.0 Ice Cream Sandwich October 18, 2011 Android 4.1 to 4.3.1 Jelly Bean July 9, 2012 Android 4.4 to 4.4.4 KitKat October 31, 2013 Android 5.0 to 5.1.1 Lollipop November 12, 2014 Android 6.0 to 6.0.1 Marshmallow October 5, 2015 Android 7.0 to 7.1 Nougat August 22, 2016 Android 8.0 to Android 8.1 Oreo August 21, 2017 Android 9.0 Pie August 6, 2018 Android 10.0 Quince Tart September 3, 2019 Android 11.0 Red Velvet Cake September 8, 2020 Android 12 Snow Cone October 4, 2021 Android 12L Snow Cone v2 March 7, 2022 Android 13 Tiramisu August 15, 2022 Android 14 Upside Down Cake February 8, 2023 Parvesh SandilaParvesh Sandila is a passionate web and Mobile app developer from Jalandhar, Punjab, who has over six years of experience. Holding a Master’s degree in Computer Applications (2017), he has also mentored over 100 students in coding. In 2019, Parvesh founded Owlbuddy.com, a platform that provides free, high-quality programming tutorials in languages like Java, Python, Kotlin, PHP, and Android. His mission is to make tech education accessible to all aspiring developers.​ new.owlbuddy.com