ADF Mobile : Best Practices for Developing Applications with Oracle ADF Mobile
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Transcript of ADF Mobile : Best Practices for Developing Applications with Oracle ADF Mobile
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Luc Bors, june 2013, ODTUG KScope 2013 New Orleans
Best Practices for Developing Applications with Oracle ADF Mobile
Oracle ADF Mobile
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Who Am I
• Luc Bors
• Principal Consultant
• AMIS Nieuwegein Netherlands
• Friends of Oracle & Java
• 5 Oracle ACE(D)
• Oracle Partner
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ADF Mobile Overview
17 Copyright © 2011, Oracle and/or its affiliates. All rights reserved.
Device Services
How It Works?
Phone Gap
Device Native Container Web View
Server HTML
ADF Mobile XML View
Java
Managed Beans
ADF Model
Third Party Web Sites
ADF Faces RC
ADF Mobile Browser
Mobile Device
Web Services (SOAP & REST)
Local HTML
HTML5 & JavaScript
Configuration Server
ADF Controller
Local'Data'
Credential M
anagement,
SSO &
Access C
ontrol
Application
Configuration
Server
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ADF mobile vs. Vanilla ADF
• The Obvious Differences
• The Annoying Differences
• The Not so Obvious Differences
• The Nice Differences
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The Obvious Differences
• Mobile
• Multiple Platforms
• Multiple Form Factors
• Touchscreens
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What Device are you on ?
• Device info
• Device Properties
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Work With Form Factors
• Respond to Form Factors • Conditionally Render Different content
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Demo
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Using the mouse for…..
• Clicking Menu Items • Clicking Links & Buttons • Expanding / Collapsing • Selecting / Deselecting
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Gesture Support
• You can configure Button, Link, and List Item components to react to the following gestures:
• Swipe to the right • Swipe to the left • Swipe up • Swipe down • Tap-and-hold
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Gesture examples
• The Swipe Gesture
• The Tap Gesture
<amx:actionListener binding="#{mybean.DoX}" type="swipeRight"/>
<amx:showPopupBehavior popupid="pop1" type="tapHold“ />
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Annoying differences
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A simple calculator….
• In Vanilla ADF…… • InputText for Value • Autosubmit
• OutputText for Result • PartialTriggers
• Managed Bean • Holds the values
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This is annoying….
• ADF Mobile • Autosubmit and PartialTriggers does not exist !
• 2 Options
I. Use application Scoped Variables (no Coding) • Not meant for this purpose
II. Use the Property Change Listener Pattern
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PropertyChangeSupport
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The not so obvious ones
• No menu structure….. • What about Application Start ? • What about Navigation ?
• No ADF Business Components • Now what ?
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Springboard & navigationbar
• Springboard configuration in adfmf-application.xml
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The Default Springboard
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The Custom SpringBoard
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Configuring the springboard
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Using the Local Database
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Creating the Local Database
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Register Listener
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Using the POJO Datacontrol
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Talking to the DB (Select)
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Talking to the DB (DML…)
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Using Webservices
• Create a Webserivce Datacontrol
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Using Webservices (1)
• Just drag & drop the method from the Data Control
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Using Webservices (1)
• The PageDefinition File
• The PageDefinition
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Using Webservices (2)
• Invoke directly from java. • Does not use the binding layer
• Uses Framework utilityMethod • AdfmfJavaUtilities.invokeDataControlMethod()
• Datacontrol must be in available in DataBindings.cpx
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Advice
• Do Not Hook Up Webservices Directly to Your Page
– Use Multiple Layers of Datacontrols For Abstraction
– You are in control
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Demo
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Use Caching
• By default the webservice will be called on every request
• Simply compare if what is in memory is the same as what needs to be shown.
if (!s_locationsList.isEmpty()){ MyLocation cur = (MyLocation)s_locationsList.get(0); Integer currentLoc = cur.getId(); if (currentLoc.compareTo(Integer.valueOf(<NEWVALUE>))!=0){ // clear cache callWebservice(); } }
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The return of the invokeAction
• The current row in ADF Mobile is not preserved across pages that bind to the same data collection
• Steps: – Inside the <amx:listItem> element of the list page, you need to add a
<amx:setPropertyListener> element to store the row key in a pageFlowScope variable.
– In the page definition of the detail page, you need to add a setCurrentRowWithKey action, which uses the pageFlowScope variable to set the current row.
– In the page definition of the detail page, you need to add an invokeAction executable for the setCurrentRowWithKey action to ensure the current row is automatically set when entering the detail page.
– http://www.ateam-oracle.com/adf-mobile-preserving-the-current-row-across-pages/
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The Nice Differences
• Device Interaction
• Thematic Maps
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Device Interaction
• The Device Datacontrol
• Drag n Drop support
• Attributes as fields
• Operations as buttons
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Camera interaction
• Take a picture ……………
• …… or get one from the Library
import oracle.adf.model.datacontrols.device; DeviceManagerFactory.getDeviceManager().getPicture(100, DeviceManager.CAMERA_DESTINATIONTYPE_FILE_URI, DeviceManager.CAMERA_SOURCETYPE_CAMERA, false, DeviceManager.CAMERA_ENCODINGTYPE_PNG, 0, 0);
DeviceManager.CAMERA_SOURCETYPE__PHOTOLIBRARY
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Be careful !!
• DESTINATIONTYPE_DATA_URL you will get the image as base64 encoded string
• Camera’s are very good. • Picture quality is amazing.
– Encoding such images as base64 causes memory issues
• Don’t blow up your app. – iOS you should set quality parameter to a value less then 50 to avoid – On Android out-of-memory can be caused with default image settings. Make
image smaller by setting targetWidth and targetHeight
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Demo
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I wish ADF could do this
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Custom Thematic Map
• Configuration File
• Custom Image
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Custom Thematic Map
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Custom Thematic Map
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Demo
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Summary
• Today was about differences • Know the differences • Know the ADF Mobile way to do it
• There are many parallels • Developing ‘feels’ like Vanilla ADF • Component Based Developement • ADF ‘like’ config files • DataControl / DataBinding
• My advise • Use ADF Mobile like ADF • Know The DataControl by heart • Know how to use Multiple (levels) of Datacontrols • Use Java; it is more flexible then declarative
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Questions ?