Uploaded byPranay Airan
Android 101
This document provides an overview of Android development including: 1. It discusses the growth and popularity of Android with over 2 million activations per day and 750 million devices activated. 2. It covers the basic building blocks of Android apps such as activities, intents, views, services, content providers, and broadcast receivers. 3. It provides information on setting up the Android development environment in Eclipse and describes the app development lifecycle including debugging, signing, and distributing apps to marketplaces.
![[Android] Services and Broadcast Receivers](https://cdn.slidesharecdn.com/ss_thumbnails/trainingandroidlesson11-130304083805-phpapp01-thumbnail.jpg?width=640&height=640&fit=bounds)
Android 101
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- 2. Pranay Airan Web applicationdeveloper @Intuit Android Developer by choice Assistant organizer Blrdroid @pranayairan
- 3. Bangalore Android User Group( www.BlrDroid.org) • Largest open Android developer community in the country and second largest in the world. • Over 3800 members • 30 meetups • 12 Teach Events • 4 hackathons • Active participation in events like Droidcon, Global Android Developer hackathon etc
- 4. Why Android 2 million Androiddevice activation per day
- 5. Why Android 750+ million Androiddevice activated till now
- 6. Why Android 70% Android marketshare world wide
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- 8. Getting Started • IDEEclipse • Folder Structure • Setting your development environment • Different tools available in eclipse
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- 12. Activities • Provides ascreen with which users can interact • Activity has UI. • An app usually consists of multiple activities • 1 Activity is always main. • Activity has lifecycle
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- 15. Intents • Intents aresimple message objects which are use to move from 1 activity to another • Intent defines “intention” of what application want • Intents can be use to communicate from 1 application to another
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- 20. Views • Views areUI basic building blocks • Know how to draw themselves • Respond to events • Organized as trees to build up GUIs • Described in XML in layout resources
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- 22. Layouts Linear Layout RelativeLayout Grid Layout
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- 24. Android Manifest • Itnames the Java package for the application. • Components of the application — the activities, services, broadcast receivers, and content providers that the application is composed of. • Permissions • Lists the library • And more
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- 26. Services • Use toperform long running tasks in the background • No User interface • Runs in the background for certain amount of time • Use in combination with broadcast often to perform heavy operations like file upload sync etc
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- 29. Content Providers • Helpsin managing access to structure set of data • Content providers are the standard interface that connects data in one process with code running in another process • Provide a level of abstraction for data store in any format, in the file system, in sqllite or on network • Android platform provides common data like contacts calendars sms as content providers
- 30. Sqllite db File Remote Content provider ContactApp Activity 1.1 Activity 1. App 2 Activity 1.1 Activity 1. App 3 Activity 1.1 Activity 1.
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- 32. BroadCast Receiver • BroadCastreceiver is android components which allows to register for system events • Different kind of system events which do broadcast o Battery low o Headset plugged o Location change o Sms received o Call received etc
- 33. Notifications • Notifies usersabout events happening in phone • It appears as a small icon in notification bar • User Can interact with this notifications • Sent via notification manager • Example SMS, alarm, miss call
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- 40. Generating APK • Androidapplication package file is the format to distribute and install android app • Apk can be Signed and unsigned • Generating signed and unsigned apk
- 41. Launch in marketplace •What is required? • Typical launch process
- 42. Debugging • How todebug • Using debug perspectives
- 43. Connecting your phone •Developing without emulator • Debugging in phone
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- 46. Resources • Developer.android.com • http://www.vogella.com/android.html •http://www.mkyong.com/tutorials/android-tutorial/ • Stackoverflow • Books o Hello Android o Basic android programming by mark murphy
Editor's Notes
- #39 Adding new emulator