OpenEdge Development: Mobile Applications - Product ...

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Chapter 4: Creating Mobile Apps using JSDOs ABL invoke routine: GetCreditLimit( ) The following example shows a method that might be designated as an invoke method, which can be called on the JSDO: METHOD PUBLIC DECIMAL GetCreditInfo ( INPUT piCustNum AS INT, OUTPUT TABLE eTable): END METHOD. Client JavaScript code: Invoking GetCreditLimit( ) The following example illustrates an asynchronous call to the preceding method: dsOrderEntry.subscribe('afterInvoke', 'GetCreditInfo', onAfterInvokeGetCreditInfo); dsOrderEntry.GetCreditInfo ( { piCustNum : 10 } ); function onAfterInvokeGetCreditInfo (jsdo , success , request ) { }; var res = request.response; if (success) { var creditLimit = res._retVal; var eTableObj = res.eTable.eTable; } else { if (res && res._errors && res._errors.length > 0){ var lenErrors = res._errors.length; for (var idxError=0; idxError < lenErrors; idxError++) { var errorEntry = res._errors[idxError]; var errorMsg = errorEntry._errorMsg; var errorNum = errorEntry._errorNum; /* handle error */ } } } Notice that the sample code: • Subscribes an event-handler function, onAfterInvokeGetCreditInfo, to the afterInvoke event to enable error-checking and processing of the results. • Declares the eTableObj variable with a value of request.eTable.eTable. The parameter name (eTable) must be specified twice. The first instance refers to the parameter name as defined in the ABL routine; the second instance is for the temp-table serialized as a JSON object. 116 OpenEdge ® Development: Mobile Applications
Managing user login sessions Managing user login sessions The first task in accessing a Mobile resource with a JSDO is to create a user login session for the Mobile Web application that provides the Mobile service and resource you need. This might require user authentication prior to calling the login( ) method on an instance of the OpenEdge JavaScript class, progress.data.Session. Once user authorization is obtained, you must then call the addCatalog( ) method on this Session object to load the JSDO catalog for the service into your Mobile App. You can then create a JSDO for a Mobile resource defined in the catalog. However, you need to gather some information to determine how best to configure and code the user login sequence. Requirements for creating a user login session You need to identify the following information to configure and code a user login session: • The Web server authentication model that the Mobile Web application will use: Web servers support a number of authentication models to manage client access to Web resources. OpenEdge Mobile supports the following authentication models: – Anonymous — No authentication is required. This is the default value. – HTTP Basic Authentication — The Mobile Web application requires a valid user ID and password, but does not provide a page containing a login form (credentials are typically entered in a generic login dialog provided by either the Mobile App, the Web browser, or the native device container in which the App is running). – HTTP Forms Authentication — The Mobile Web application requires a valid user ID and password and provides a page containing a login form. The exact user login sequence depends on the Web server authentication model, the Mobile App type and platform, and how Mobile Web application resources are protected on the Web server. Because of this, differences in platform behavior can cause problems with reliable access to Mobile resources. To minimize the chances of such access problems, you must know the Web server authentication model to be configured for the Mobile Web application and set the authenticationModel property on the Session object accordingly. For more information on Web server authentication models and OpenEdge Mobile, see the sections on security considerations in Chapter 5, “Deploying Mobile Applications.” OpenEdge ® Development: Mobile Applications 117
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® ® PROGRESS® OPENEDGE® OpenEdg
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Contents Preface . . . . . . . . .
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Contents Packaging and Deploying An
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Figures Contents Figure 1: OpenEdge
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Preface This Preface contains the f
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Using this manual Chapter 4, “Cre
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SMALL, BOLD CAPITAL LETTERS Preface
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Preface In this example, you must s
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On UNIX platforms, use the OpenEdge
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Preface end-user documentation incl
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Preface in all copies of the suppor
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Preface not be used in advertising
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Preface pertaining to distribution
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Preface LIABILITY, WHETHER IN CONTR
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Preface CONSEQUENTIAL DAMAGES (INCL
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Preface Except as contained in this
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OpenEdge Mobile Overview OpenEdge
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Run-time architecture As shown in F
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Run-time architecture An OpenEdge R
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Run-time architecture As shown in F
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Run-time architecture For informati
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Building Mobile services Developmen
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Development architecture and tools
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Example: A Simple Mobile App This c
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Creating a new Mobile OpenEdge proj
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Creating an include file Creating a
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Creating a new Business Entity 5. I
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3. In the Event menu, select Load.
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Adding the JSDO service to the clie
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Building and testing the Mobile App
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2. Check the JavaScript associated
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Creating Mobile Services OpenEdge
Page 65 and 66: Getting started with OpenEdge Mobil
Page 67 and 68: Getting started with OpenEdge Mobil
Page 69 and 70: Coding AppServer services for OpenE
Page 77 and 78: Creating Mobile resources Creating
Page 79 and 80: Creating Mobile services Creating M
Page 81 and 82: URIs for accessing Mobile Web appli
Page 83 and 84: URIs for accessing Mobile Web appli
Page 85 and 86: est URIs for accessing Mobile Web a
Page 87 and 88: Creating Mobile Apps using JSDOs Op
Page 89 and 90: Creating a Mobile App from Develope
Page 91 and 92: JSDO overview JSDO overview A JSDO
Page 93 and 94: JSDO overview A Mobile resource can
Page 95 and 96: JSDO overview If a method leaves a
Page 97 and 98: JSDO overview - assign( ) — Calle
Page 99 and 100: Comparing asynchronous and synchron
Page 101 and 102: Managing JSDO event subscriptions J
Page 103 and 104: Two additional properties are avail
Page 105 and 106: Creating a JSDO for a Mobile resour
Page 107 and 108: Accessing built-in CRUD operations
Page 109 and 110: Client JavaScript code: Create Acce
Page 111 and 112: Client JavaScript code: Update Acce
Page 113 and 114: Notice that the sample code: Access
Page 115: Accessing non-built-in invoke opera
Page 119 and 120: Managing user login sessions • Th
Page 121 and 122: Managing user login sessions If the
Page 123 and 124: Getting started with other HTML cod
Page 125 and 126: Using a custom template Getting sta
Page 127 and 128: Publishing Mobile Apps for testing
Page 129 and 130: Deploying Mobile Applications OpenE
Page 131 and 132: Packaging and deploying Mobile serv
Page 133 and 134: 9. To upload the certificate: a. Cl
Page 135 and 136: Devices Packaging and Deploying iOS
Page 137 and 138: Packaging and Deploying Android App
Page 139 and 140: Packaging and Deploying Mobile Web
Page 141 and 142: Security considerations Security co
Page 143 and 144: Security considerations In order to
Page 145 and 146: SSL connections Security considerat
Page 147 and 148: ABL to JavaScript Data Type Mapping
Page 149 and 150: JavaScript data type overview JavaS
Page 151 and 152: ROWID String (Base64 encoded) Data
Page 153 and 154: OpenEdge JavaScript Class and Objec
Page 155 and 156: progress.data.JSDO class progress.d
Page 157 and 158: object-ref progress.data.JSDO class
Page 159 and 160: Table 12: progress.data.JSDO table-
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progress.ui.UIHelper class Construc
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Table 20: Example — index.html pr
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equest object Properties request ob
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OpenEdge JavaScript Class Propertie
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• onOpenRequest property • para
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addCatalog( ) method addCatalog( )
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addItem( ) method addItem( ) method
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In Release 11.2, the following form
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afterCreate event afterCreate event
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afterDelete event afterDelete event
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afterFill event afterFill event Fir
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afterSaveChanges event afterSaveCha
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afterUpdate event afterUpdate event
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assign( ) method (JSDO class) assig
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async property async property A Boo
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atch property A reference to an obj
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eforeDelete event beforeDelete even
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eforeInvoke event beforeInvoke even
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eforeUpdate event beforeUpdate even
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clearItems( ) method Clears the ite
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display( ) method display( ) method
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fill( ) method After this method co
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In following code fragment, jsdo re
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findById( ) method The following co
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foreach( ) method foreach( ) method
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getData( ) method getData( ) method
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getFormRecord( ) method getFormReco
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getListViewRecord( ) method Returns
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invocation method invocation method
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jsdo property jsdo property An obje
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login( ) method login( ) method Sta
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OpenEdge Mobile supports the follow
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loginResult property loginResult pr
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logout( ) method logout( ) method T
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onOpenRequest property onOpenReques
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paramObj property paramObj property
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emove( ) method remove( ) method De
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saveChanges( ) method saveChanges(
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services property services property
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serviceURI property serviceURI prop
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setFieldTemplate( ) method setField
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setListView( ) method Defines a lis
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subscribe( ) method subscribe( ) me
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success property success property A
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table reference property (JSDO) Bot
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unsubscribe( ) method unsubscribe(
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useRelationships property useRelati
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xhr property xhr property A referen
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