Mobile Application Development With Android 100310121313 Phpapp02
Content
Mobile Application Development with ANDROID
A.UMASHANKAR 06078115
Agenda
Mobile Application Development (MAD) Intro to Android platform Platform architecture Application Framework & API Application building blocks Development tools Hello Android Porting application to Mobile
Few reasons to go MAD. . .
Smart Phones
± Internet access anywhere ± Social networking ± GPS and Google Maps
Millions of mobile users Open standards
Introduction to Android
Open software platform for mobile development A complete stack ± OS, Middleware, Applications An Open Handset Alliance (OHA) project Powered by Linux operating system Fast application development in Java Open source under the Apache 2 license
Android APIs
android.util android.os android.graphics android.text android.database android.content android.view android.widget com.google.android.maps android.app android.telephony android.webkit
Application building blocks
Activity IntentReceiver Service ContentProvider
Activities
Typically correspond to one UI screen But, they can:
± Be faceless ± Be in a floating window ± Return a value ± Activity refers to (J)Frame in Swing
Intents
Think of Intents as a verb and object; a description of what you want done
± E.g. VIEW, CALL, PLAY etc..
System matches Intent with Activity that can best provide the service Activities and IntentReceivers describe what Intents they can service
Intent Recievers
Components that respond to broadcast µIntents¶ Way to respond to external notification or alarms Apps can invent and broadcast their own Intent
Services
Faceless components that run in the background
± E.g. music player, network download etc«
ContentProviders
Enables sharing of data across applications
± E.g. address book, photo gallery
Provides uniform APIs for:
± querying ± delete, update and insert.
Content is represented by URI and MIME type
Android User Interfaces
Different Layouts Linear Layout Absolute Layout Table Layout
Hierarchy of Screen Elements
Comparing Android UI Elements to Swing UI Elements
Comparing Android UI Elements to Swing UI Elements
Activities in Android refers almost to a (J)Frame in Swing. Views in Android refers to (J)Components in Swing. TextViews in Android refers to a (J)Labels in Swing. EditTexts in Android refers to a (J)TextFields in Swing. Buttons in Android refers to a (J)Buttons in Swing.
AndroidManfest.xml
<manifest> This is the root node of each AndroisManifest.xml. It contains the packageattribute, which points to any package in out Activity. Other Activities-path will base relative to its value.
<application> Root element containing declarations of the application-level components contained in the package. This element can also include global and/or default attributes for the application, such as a label, icon,theme, required permission, etc.Quantity: 0 or 1. <activity> An Activity is the primary thing for an application to interact with the user. The initial screen the user sees when launching an application is an activity, and most other screens they use will be implemented as separate activities declared with additional activity tags.
<intent-filter> Declares what kind of Intents a component supports. In addition to the various kinds of values that can be specified under this element, attributes can be given here to supply a unique label, icon, and other information for the action being described.
<action> An action-type that the component supports. Example: .
<category> A category-type that the component supports. Example:
Some other Tags Available«« <meta-data> <receiver> <service> <provider>
Application Development Steps
Download and Install the Android SDK and Test the Emulator. Installing JDK and JRE(1.5 or above) Install Eclipse. Install ADT plugin for Eclipse
Creating HelloWorld Application
Application development contd.,
New > Project«
Select Android project in wizard menu
Application development contd.,
Application development contd.,
Main Activity>>
Main.xml>>
Application development contd.,
AndroidManifest.xml>>
Application development contd.,
>>Running Your First Application
Application development contd.,
Output in the emulator
Application development contd.,
Uis using Java way
Porting Applications to Mobile
Resource files are bundled to .apk file archive Bundled by aapt tool One .apk file archive is a Single application
Interesting things to do
Android is open source Opportunities for researchers Get the source, compile and update the device image
References
http://developer.android.com http://code.google.com/android http://anddev.org
Thank You
Queries
A.UMASHANKAR 06078115
Agenda
Mobile Application Development (MAD) Intro to Android platform Platform architecture Application Framework & API Application building blocks Development tools Hello Android Porting application to Mobile
Few reasons to go MAD. . .
Smart Phones
± Internet access anywhere ± Social networking ± GPS and Google Maps
Millions of mobile users Open standards
Introduction to Android
Open software platform for mobile development A complete stack ± OS, Middleware, Applications An Open Handset Alliance (OHA) project Powered by Linux operating system Fast application development in Java Open source under the Apache 2 license
Android APIs
android.util android.os android.graphics android.text android.database android.content android.view android.widget com.google.android.maps android.app android.telephony android.webkit
Application building blocks
Activity IntentReceiver Service ContentProvider
Activities
Typically correspond to one UI screen But, they can:
± Be faceless ± Be in a floating window ± Return a value ± Activity refers to (J)Frame in Swing
Intents
Think of Intents as a verb and object; a description of what you want done
± E.g. VIEW, CALL, PLAY etc..
System matches Intent with Activity that can best provide the service Activities and IntentReceivers describe what Intents they can service
Intent Recievers
Components that respond to broadcast µIntents¶ Way to respond to external notification or alarms Apps can invent and broadcast their own Intent
Services
Faceless components that run in the background
± E.g. music player, network download etc«
ContentProviders
Enables sharing of data across applications
± E.g. address book, photo gallery
Provides uniform APIs for:
± querying ± delete, update and insert.
Content is represented by URI and MIME type
Android User Interfaces
Different Layouts Linear Layout Absolute Layout Table Layout
Hierarchy of Screen Elements
Comparing Android UI Elements to Swing UI Elements
Comparing Android UI Elements to Swing UI Elements
Activities in Android refers almost to a (J)Frame in Swing. Views in Android refers to (J)Components in Swing. TextViews in Android refers to a (J)Labels in Swing. EditTexts in Android refers to a (J)TextFields in Swing. Buttons in Android refers to a (J)Buttons in Swing.
AndroidManfest.xml
<manifest> This is the root node of each AndroisManifest.xml. It contains the packageattribute, which points to any package in out Activity. Other Activities-path will base relative to its value.
<application> Root element containing declarations of the application-level components contained in the package. This element can also include global and/or default attributes for the application, such as a label, icon,theme, required permission, etc.Quantity: 0 or 1. <activity> An Activity is the primary thing for an application to interact with the user. The initial screen the user sees when launching an application is an activity, and most other screens they use will be implemented as separate activities declared with additional activity tags.
<intent-filter> Declares what kind of Intents a component supports. In addition to the various kinds of values that can be specified under this element, attributes can be given here to supply a unique label, icon, and other information for the action being described.
<action> An action-type that the component supports. Example: .
<category> A category-type that the component supports. Example:
Some other Tags Available«« <meta-data> <receiver> <service> <provider>
Application Development Steps
Download and Install the Android SDK and Test the Emulator. Installing JDK and JRE(1.5 or above) Install Eclipse. Install ADT plugin for Eclipse
Creating HelloWorld Application
Application development contd.,
New > Project«
Select Android project in wizard menu
Application development contd.,
Application development contd.,
Main Activity>>
Main.xml>>
Application development contd.,
AndroidManifest.xml>>
Application development contd.,
>>Running Your First Application
Application development contd.,
Output in the emulator
Application development contd.,
Uis using Java way
Porting Applications to Mobile
Resource files are bundled to .apk file archive Bundled by aapt tool One .apk file archive is a Single application
Interesting things to do
Android is open source Opportunities for researchers Get the source, compile and update the device image
References
http://developer.android.com http://code.google.com/android http://anddev.org
Thank You
Queries
