Contribute to anitaa1990/Android-Cheat-sheet development by creating an account on GitHub. Connect, organize, and get things done on the go with Outlook mobile. Last updated: December 15, 2017, An Android cheat sheet (my notes, main concepts), Android Programming: The Big Nerd Ranch Guide, Busy Coder's Guide to Android Development, The Beginner’s Guide to Android Game Development, petrnohejl.github.io/Android-Cheatsheet-For-Graphic-Designers/, Android ActionBar example: How to create an options menu item, Source code for an Android ViewPager example (Activity and Fragment), Basic Android “Toast” syntax examples, Two ways to hide an Android ActionBar on an Activity, The Rocky Mountains, Longmont, Colorado, December 31, 2020, Rocky Mountain National Park, Jan. 3, 2018, 12,000 feet up in Rocky Mountain National Park (Estes Park area), Two moose in Rocky Mountain National Park, The best way to write Android code today (2017) is to use, Android Studio is free, and it’s created/maintained by Google, You generally design your UI in the designer; this creates XML files that you can also modify as needed, The Big Nerd Guide has this rule about Activities and Fragments: “always use fragments”, AsyncTask, Handler — don’t execute long-running code on the main UI thread, Need to request permissions for certain things in AndroidManifest.xml, Nine-patch images: a stretchable bitmap image; Android automatically resizes to accommodate the view size, Themes: Holo Light, Holo Dark, Holo Light with dark action bar, Styles: you can create styles and apply them to widgets in a manner similar to CSS, As its name implies, this is an XML configuration file, an Activity generally corresponds to a single Android screen, you specify the “launcher” activity for your class in the, all other activities are launched with Intents, fragment hosting - an activity provides a spot in its view hierarchy where the fragment can place its view, in my own experience Android is like Drupal or Sencha in that you implement predefined "callback" methods to do your work. Download the Android App Development Cheat Sheet and get started with your first app in days! XML offers a human-readable structure for the layout, much like HTML. This project maps most important parts of Android-Ecosystem (200+ tools, services, plusings & libraries). This page is a little unusual for me; it’s basically a terse summary of what I know about Android. These icons serve common functions in your apps as well as in the Android operating system. The spread is used to zoom in, to enlarge an image or see more detail on a map. as you'll see, it's also passed into other Android lifecycle methods, an Android Bundle is a map/dictionary data structure that maps keys to values (i.e., key/value pairs), a Bundle can contain the saved state of your views (among other things), you can save additional data to a bundle and then read it back later, fragments were introduced in Android 3.0 when they began to support tablets, tablets required more complicated/flexible layouts, and fragments were the solution, fragments let you create small widgets that you can plug into larger views, said another way, fragments help separate the ui into building blocks, usually a fragment manages a ui, or part of a ui, an activity's view contains a place where a fragment will be inserted, an activity is said to "host" a fragment by providing a spot in its view where the fragment can place its view, an activity may have several places for fragments, an activity can replace one fragment with another fragment, the Big Nerd book offers this advice: always use fragments (AUF), fragments are managed by the FragmentManager of the hosting Activity, FragmentManager - responsible for calling the lifecycle methods of the fragments in its list, to use fragments, your Activity must subclass FragmentActivity; AppCompatActivity is a subclass of FragmentActivity, you can create your UI views using XML or Java code, but XML is the preferred approach, of course XML layouts are verbose, but a nice thing is that they work well with the Android Studio designer, Android Studio also gives you helpful hints when you're searching for attributes to control your views (so it's not like you have to memorize every possible attribute), widgets in your layouts are managed by either an Activity or a Fragment. Beginner Java is a complex language, but getting started with it can be pretty simple. Because of the double-tap’s dual nature, use the pinch and spread operations to zoom. those came from an old version of a book titled, "The Busy Coder's Guide to Android Development"), Menus - don't use these any more, use the ActionBar, EditText - editable text field (don’t forget you can set keyboard/input options). things you can/should do in this method include: when the activity is first started, onCreate is called with a, if the activity was running and then killed, onCreate will be invoked with the Bundle you saved with a call to, when the device orientation changes and you have accounted for that with different layouts, when the activity is shutting down, because the activity called, because Android shut it down (such as when needing ram). As of 28/6/14, the cheat sheet now includes popup links to the appropriate PHP manual pages. The OWASP Cheat Sheet Series was created to provide a set of simple good practice guides for application developers and defenders to follow. For traditional phone calls, Skype is a good idea. Android Cheatsheet for Graphic Designers Graphic designers aren't programmers and sometimes don't know how to properly prepare graphic assets for developers. You find several Home screen pages, some marching off to the left and others marching to the right, for a total of anywhere up to nine Home screen pages, depending on the device. Use the Recent icon to quickly switch between apps. Androids feature common icons for using the Home screen as well as various apps. Follow. "The Resources I used to teach myself Java, Android and create my first published app in the Google Play Store..." Author: Ryan Park - Out of the Park Apps IF this guide … This Cheat Sheet provides that information, plus plenty of tips and tricks, and other useful information that help make your Android tablet or mobile device experience a pleasant and productive one. The Android Lifecycle cheat sheet part II — Multiple activities; Android Developers. Each Home screen page can be adorned with icons, widgets, and sneeze globs. About. By Michael Burton . Here are some support numbers you can dial from your Android phone: The basic touchscreen technique is to touch it. Java Programming for Android Developers For Dummies Cheat Sheet. An offline version is also available in PDF format: espresso-cheat-sheet-2.1.0.pdf. Whenever possible, use the phone or LTE tablet’s Wi-Fi Internet connection to avoid incurring mobile data surcharges. I have written a lot more about Android, and you can follow this link to my Android tutorials, or you can search my website for ‘Android’. Learning about these components is mandatory for android development. Immersing yourself in the various screen sizes, framework intricacies, and dependencies can leave your head spinning. If you wish to contribute to the cheat sheets, or to sugge… A pinch involves two fingers, which start out separated and then are brought together. This page is a little unusual for me; it’s basically a terse summary of what I know about Android. Android Ecosystem Cheat Sheet 2020. Use the Google Assistant to control the Android with your voice or to search the Internet. Choose the starting letter for the Android game you're looking for, or browse our most popular games and cheats for Android. We’ll update this resource periodically when there is new information about Android 11. Share. Android ecosystem is constantly growing, so we have plenty of options to choose from. It also means that if you want to get the most from the device, you need some gentle hand-holding and careful explanation. Modify the Home screen: change the wallpaper, add your favorite apps, slap down some useful widgets. It’s also called a. It’s also known as a. Depending on what you’re doing, a pop-up or card may appear, or the item you’re long-pressing may get “picked up” so that you can drag (move) it around. This simple cheatsheet should help them to do their job better, and to simplify developers' lives. gestures can be used to navigate web pages and native applications. Getting started with Android Only the sneeze globs are easily removed by using a microfiber cloth. PHP Cheat Sheet A quick reference guide for PHP, with functions references, a regular expression syntax guide and a reference for PHP's date formating functions. The Android operating system powers 86% of all smartphones in the world today. Follow edited Oct 19 '13 at 11:24. Android Phones & Tablets For Dummies Cheat Sheet, How to Access Multiple Home Screens on Your Android Tablet, How to Select an “Open by Default” App on Your…, How to Adjust the Audio on Your Android Device, How to Set Keyboard Options on Your Android Device. Swipe Left then Right. to go back Swipe Right then Left Next page. The Android Lifecycle cheat sheet — part II: Multiple activities. Various icons appear while you use your Android mobile device. Android Layouts Cheat Sheet - LinearLayout, TableLayout, TableRow, ScrollView, RelativeLayout The most common way to define your layout and express the view hierarchy is with an XML layout file. A swipe can be fast or slow. Lift your finger to complete the action. The main screen on an Android is called the Home screen. Read this free PDF Android 11 cheat sheet download to get up to speed on Google’s latest OS. Obviously, that qualifies an Android phone or tablet as the next great thing. I created it because (a) I tend to work with Android for a few weeks or months, and then (b) get away from it for several months, so this page helps me reload everything into my brain. An Android phone or tablet is a complex piece of electronics, delightful, inspirational, intimidating. Android Tablet Home Screen The main screen on an Android tablet is called the Home screen. Swipe Up then Down Go to previous reading level for text, then . Tap the screen twice in the same location. Swipe the Camera icon on the Lock screen to snap a quick photo. Jose Alcérreca. here's another example where i pass an "extra" when starting a new Activity: When developing apps to support multiple API versions, Support Library provides a way to have newer features on earlier versions of Android, or gracefully fall back to equivalent functionality, Leverage these libraries to provide that compatibility layer, The Support Libraries also provide additional convenience classes and features not available in the standard Framework API for easier development and support across more devices, Originally a single binary library, the Support Library has evolved into a suite of libraries, If you want to support a recent platform feature on devices that are running earlier versions of Android, use the equivalent classes from the support library, More sophisticated support library classes may depend on one or more additional support library classes, so you should use support library classes for those dependencies (use, If you do not have a specific platform feature you intend to use with your app in a backward compatible way, it is still a good idea to use support library classes in your app (ex: use. A complete guide for learning Android Development - Check here All of the commands have been taken from Mobile Application Hackers Handbook. This is the most complete and most up to date picture of Android ecosystem you will find on the web. First choose your category. android. When downloading updates, new apps, or for faster Web browsing, activate Wi-Fi. A double-tap can be used to zoom in on an image or a map, but it can also zoom out. It uses a command like this to install a new version of my app onto the emulator or physical device I use for testing: Here are a few ways to run Java threads in Android. Android Pentesting CheatSheet This post contains a list of commands which can be used with Drozer, a tool for pentesting Android applications. A combination of long-press and then swipe, the drag operation moves items on the screen. Read this Android 11 cheat sheet to get up to speed on Google's latest OS. Android has the following types of layouts (there may be a few more; I’ve used these so far): in a LinearLayout, widgets and child containers are lined up in either a column or a row, like a FlowLayout in Swing, a RelativeLayout lays out widgets based on their relationship to other widgets in the container. Android , esture Reference. These navigation icons are found at the bottom of the touchscreen. Last updated: December 15, 2017. help support my writing at ko-fi.com. Dictation! Each component will be accompanied by its code for basic implementation, and a reference to their official documentation. Android Interview Questions Cheat Sheet — Part II. It may also be referred to as a. Improve this question. First, the Java 8 lambda syntax using a Runnable: Or the Java 8 Thread lambda syntax (without a Runnable): You can also use this lambda approach if you don’t want/need a reference to your thread: If you can’t use Java 8 lambdas — or don’t want to — here’s the old thread syntax using a Runnable: Here’s the old syntax without using a Runnable: You can also create a class to extend a Thread and then run it, like this: Here’s an approach that uses an AsyncTask with a Runnable, from the link shown: This code shows how to determine which item in a ListView was selected: As shown, this code shows one way to show a Toast message: Reporting live from Boulder, Colorado, that’s all for now, but I’ll continue to add more Android tips as I learn them. swipe right to read forward or left . Android Interview Questions Android Interview Questions - Your Cheat Sheet For Android Interview Prepared and maintained by Amit Shekhar who is having experience of taking interviews of many Android developers and cracking interviews of top companies. Once a category us chosen, you can set filters (like number of words)and will see all possible results from which you can further filter and find your answer. An Android cheat sheet (my notes, main concepts) By Alvin Alexander. Visit the blog often as I intend on updating this resource and adding many more. Android Application Development For Dummies Cheat Sheet. The diagrams are also available as a cheat sheet in PDF format for quick reference. This Cheat Sheet provides that information, plus plenty of tips and tricks, and other useful information that help make your Android tablet experience a pleasant and productive one. Tap part of the screen and keep your finger down. Anitaa Murthy. What is Context? It’s where all the action takes place: where you start the apps, work the widgets, and check out what’s going on via notification and status icons. Swipes can go up, down, left, or right; the touchscreen content moves in the direction in which you swipe your finger, similar to the way scrolling works on a computer. Use the various Search icons to look for things on the Android, on the Internet, or in a specific app. https://drive.google.com/file/d/0B5XIkMkayHgRMVljUVIyZzNmQUU/view The blog often as I intend on updating this resource periodically when there is information! Pretend that you ’ ve learned, and get things done on the Lock screen swipe... For Pentesting Android applications pretend that you ’ re turning the dial on a map image or more... Analysis tool that supports Windows, Linux and MacOS here ; this is mostly just a quick.! Should help them to do their job better, and get things done on the web activities! 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