Android basics
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The document introduces Android programming and provides an overview of key concepts including: - Android applications are developed using Java and compiled into APK files to run on the Android operating system which uses a Linux kernel and Dalvik virtual machine. - The AndroidManifest.xml file contains app metadata and declares app components like activities, services, and permissions. - UI resources like layouts, drawables, and strings are organized by screen density in folders like res/layout-hdpi. Common layouts include LinearLayout and RelativeLayout. - Activities display app screens and follow a back stack model. Fragments allow modular reuse of UI. - Services run in the background, AsyncTask simpl
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Android is an open source software platform that includes an operating system, middleware and key applications. It is based on Linux and developed by Google. Developers write managed code using Java-like language and Google libraries. The architecture includes application, framework, and Android runtime layers. Key framework components include activity manager, resource manager and location manager. Developing Android apps requires knowledge of Java, XML, Android SDK and Eclipse IDE. Important tools include aapt, adb and dx. Application fundamentals include activities, services, broadcast receivers, content providers and intents. Activities present a visual UI, services run in the background, and broadcast receivers receive system broadcasts. The activity lifecycle includes active, paused and stopped states.
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The document provides an overview of setting up an Android development environment and creating basic Android applications. It discusses installing the Android SDK and Eclipse IDE, creating Android Virtual Devices, using the Android emulator, and understanding key Android application components like activities, services, and intents. The document also covers building user interfaces with XML layouts, handling user input, and moving between activities.
Android development tutorial
The document provides an overview of Android development. It discusses what Android is, its architecture including the Linux kernel, libraries, Dalvik virtual machine and application framework. It then demonstrates how to set up an Android development environment in Eclipse, and walks through building a simple "Hello World" Android app that displays text when run on an emulator. The app's components like layouts, strings, and icons are also explained.
Android development tutorial
The document provides an overview of Android development. It describes Android as an open source software stack that includes an operating system, middleware and applications. It covers the Android architecture including its Linux kernel, libraries, Dalvik virtual machine, application framework and core applications. It then discusses the Android software development environment and provides a step-by-step tutorial for creating a basic "Hello World" Android application.
Introduction to Android Development Part 1
An introduction to get you started on Android Development which includes History, Architecture and setup of development environment in eclipse
01 02 - introduction - adroid stack
The document provides an overview of the Android software stack and development process. It describes the key components of the Android stack including the Linux kernel, runtime environment with Dalvik VM, core libraries, application framework, and applications. It notes that Android is based on the Linux kernel but customized for mobile with its own libraries and frameworks. It also outlines the software development process for Android including using Java, Android SDK, Eclipse IDE, and emulator for app development and testing.
Android workshop material
This document discusses Android application development using Java. It provides an overview of Android, including what Android is, its system architecture using the Dalvik VM, and development environment. It covers Android application fundamentals like the application package, components, and manifest. It also discusses user interface creation using activities and resources, as well as supporting multiple screen sizes and densities. The document concludes with opportunities in the Android market.
Android
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Android Basic
Android is a software stack that includes an operating system and applications for mobile devices. It is based on the Linux kernel and was developed by the Open Handset Alliance, including Google. Android supports a variety of hardware platforms and provides features like storage, messaging, a web browser, media support, Bluetooth, and more. Developers can create Android applications using the Android SDK and Eclipse IDE, targeting the Dalvik virtual machine. The SDK includes tools, libraries, and sample code needed to build Android apps.
Android activity, service, and broadcast recievers
1. An Android project file structure contains key folders like src, res, gen and AndroidManifest.xml. The src folder contains Java code, res contains resources, gen is auto-generated and Manifest defines the app components and permissions.
2. An Activity provides a screen interface for the user and must be created as a subclass of Activity. Key methods include onCreate() to set the layout, and onPause() for persisting changes.
3. The activity lifecycle involves methods like onStart(), onResume(), onPause() and onStop() that get called as the activity transitions between foreground and background states.
Intro To Android App Development
Intro To Android App Development presentation that I gave at the Cleveland Java Users Group on Feb 10, 2010
Android Overview
This short presentation was given during a Xebia internal event. It makes a technical overview of the Android technology.
Core Android
In dieser Session werfen wir einen Blick auf die Android Platform jenseits der Dalvik VM. Wir entdecken den Android Source Code und erklären wo sich interessante Beispiele und Referenzen für App-Entwickler sowie nützliche Tools verbergen. Ein High-Level Überblick über die Platform-Architektur und das Platform-Build-System runden die Session ab.
An Introduction To Android
This document provides an overview of the Android mobile platform architecture. It describes that Android is based on the Linux kernel with additional enhancements for power management, inter-process communication, and more. It also discusses the Dalvik virtual machine, core libraries, and hardware abstraction layer. Finally, it covers aspects of application development including setting up the manifest, laying out UI with XML, and debugging apps.
Begining Android Development
Presentasi Pengembangan Applikasi Android untuk pengguna Linux di OSCA (Open Source Community AKAKOM),
Yogyakarta, 25 September 2011
Android application development
This document provides an introduction and overview of Android application development. It discusses what Android is, how to install the necessary development tools like Eclipse and the Android SDK, and covers Android application fundamentals such as the different application components and the Android manifest file. It also demonstrates how to create a simple "Hello World" Android application in Eclipse by setting up an Android virtual device, creating an Android project, writing the code, and running the app on the emulator.
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Android activity, service, and broadcast recievers
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- 1. Introduction to Android Programming – Workshop Berglind Ósk Bergsdóttir CC-BY-SA 2012
- 3. The Android SDK tools compile the code into an Android package (.apk)
- 4. The Android operating system is a multi-user Linux system ( 2.6 ) in which each application is a different user.
- 5. Each process has its own instance of the Dalvik virtual machine.
- 7. Info about version number, min sdk version, install location
- 13. UI –LinearLayout
- 15. Must implement onCreate(Bundle savedInstanceState)
- 16. Needs a view (xml layout file) setContentView(R.layout.activity_layout )
- 18. Fragments (API level 11> = 3.0>)
- 21. Getting extras
- 27. startService();
- 28. bindService();
- 29. Runs in the main thread!!
- 31. defined by 3 generic types, called Params, Progress and Result, and 4 steps, called onPreExecute, doInBackground, onProgressUpdate and onPostExecute.
- 33. Instantiated for you when the process for your application/package is created.
- 35. Shared prefs
- 39. adb logcat | ~/coloredlogcat.py
- 40. http://jsharkey.org/blog/2009/04/22/modifying-the-android-logcat-stream-for-full-color-debugging/
- 51. [email_address]
- 52. @beggaboo85