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CIS 136 Building Mobile Apps
Contacts CIS 136 Building Mobile Apps
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Contacts API provides an interface that can be used to create, locate, edit, copy and delete contacts Interfaces with the native Contacts database provided by the mobile platform
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Creating a contact Synchronous API call, as it has no callback functions Create method creates an empty object Syntax: var contact = navigator.contacts.create([parameters]); Next steps are: to populate the properties of the object with contact data save the object to the Contacts’ application database
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Example - Creating a contact
<script> $(document).on("deviceready", onDeviceReady); function onDeviceReady() { var myContact = navigator.contacts.create({"displayName": "Test User"}); myContact.note = "This contact has a note."; myContact.save(onSuccess,onError) } </script> </head> <body> <h1>Example</h1> <p>Create Contact</p> </body> </html>
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Contact data example using JSON string
var myContact = navigator.contacts.create({ “FullName”: “Michael Smith”, “LastName”: “Smith”, “Firstname”: “Michael”, “ Address”: “OfficePhone:” : “ ”, “MobilePhone”: “ ” });
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Finding a contact Asynchronous method that queries the device contacts database and returns an array of Contacts as objects Syntax: navigator.contacts.find(contactFields, contactSuccess, contactError, contactFindOptions); Parameters contactFields: Required. Contact fields to use as a search qualifier. The resulting Contact object only features values for these fields. contactSuccess: Required. Success callback function invoked with the contacts returned from the database. Returns an Array contactError: Optional. Error callback function, invoked when an error occurs. contactFindOptions: Optional. Search options to filter contacts.
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Contact Error Returned through the ContactError callback function
Properties code: One of the predefined error codes listed below. Constants ContactError.UNKNOWN_ERROR ContactError.INVALID_ARGUMENT_ERROR ContactError.TIMEOUT_ERROR ContactError.PENDING_OPERATION_ERROR ContactError.IO_ERROR ContactError.NOT_SUPPORTED_ERROR ContactError.PERMISSION_DENIED_ERROR
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contactFindOptions properties that can be used to filter the results of a contacts.find operation filter: The search string used to filter contacts. (Default: "") multiple: Determines if the find operation returns multiple contacts. (Boolean) (Default: false)
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Finding contacts - Example 1
// specify contact search criteria var options = new ContactFindOptions(); options.filter=""; // empty search string returns all contacts options.multiple=true; // return multiple results fieldsToReturn = {"displayName“}; // return contact.displayName field // find contacts navigator.contacts.find(fieldsToReturn, onSuccess, onError, options); // success callback function onSuccess(contacts) { for (var i=0; i<contacts.length; i++) { alert(contacts[i].displayName); } }; // error callback function onError(contactError) { alert('onError!');
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Finding contacts - Example 2
$(document).on("deviceready", onDeviceReady); function onDeviceReady() { // find all contacts with 'Bob' in any name field var options = new ContactFindOptions(); options.filter = "Bob"; var fieldsToReturn = ["displayName", "name"]; navigator.contacts.find(fields,ToReturn onSuccess, onError, options); } function onSuccess(contacts) { for (var i = 0; i < contacts.length; i++) { console.log("Display Name = " contacts[i].displayName); function onError(contactError) { alert('onError!');
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Look at your contacts on your mobile device what fields do you see on your device?
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Contact Objects Objects Contact ContactName ContactField
ContactAddress ContactOrganization ContactFindOptions ContactError
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Contact Object methods
clone() Returns a new Contact object that is a deep copy of the calling object, with the id property set to null. remove() Removes the contact from the device contacts database, otherwise executes an error callback with a ContactError object. save() Saves a new contact to the device contacts database, or updates an existing contact if a contact with the same id already exists.
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Contact object properties describe a contact, such as a user's personal or business contact
id A unique identifier for the contact displayName The name of the contact name (object) – defines different components of the name (i.e. given name, family name, middle name, etc.) nickname Casual name phoneNumbers (array) –phone numbers s (array) addresses Addresses (array) – physical addresses – home, business, etc.
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Contact properties (continued)
ims (array) – instant messaging addresses Organizations (array) – a list of the organizations the contact is associated with Birthday Contacts date of birth note Variable used for text-based notes photos (array) – photos of the contact categories (array) user-defined categories associated with the contacts (i.e. friend, family, etc) urls (array) – web addresses associated with the contact
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Name Object defines different components of the name (i. e
Name Object defines different components of the name (i.e. given name, family name, middle name, etc.) Includes string values: formatted: contacts complete name givenName: family name middleName: middle name honorificPrefix: Dr. Mrs. Mr. etc honorificSuffix: Jr, III, PhD, etc.
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Example var options = new ContactFindOptions(); options.filter = ""; fieldsToShow= ["displayName", "name"]; navigator.contacts.find(fieldsToShow, onSuccess, onError, options); function onSuccess(contacts) { for (var i = 0; i < contacts.length; i++) { alert("Formatted: " + contacts[i].name.formatted + "\n" + "Family Name: " + contacts[i].name.familyName + "\n" + "Given Name: " + contacts[i].name.givenName + "\n" + "Middle Name: " + contacts[i].name.middleName + "\n" + "Suffix: " + contacts[i].name.honorificSuffix + "\n" + "Prefix: " + contacts[i].name.honorificSuffix); } }; function onError(contactError) { alert('onError!');
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Addresses (array) – physical addresses – home, business, etc.
Two-dimensional array of contact address objects with these values pref: Boolean value that defines if the entry is the default address for the contact type: String defining the address type (home/work) formatted: Full address formatted for display streetAddress: Full street address locality: city region: state postalCode: Zip code country Country associated with address
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Example function onSuccess(contacts) {
// find all contacts var options = new ContactFindOptions(); options.filter = ""; var fieldsToShow = ["displayName", "addresses"]; navigator.contacts.find(fieldsToShow, onSuccess, onError, options); function onSuccess(contacts) { for (var i = 0; i < contacts.length; i++) { for (var j = 0; j < contacts[i].addresses.length; j++) { alert("Pref: " + contacts[i].addresses[j].pref + "\n" + "Type: “ contacts[i].addresses[j].type + "\n" + "Formatted: " + contacts[i].addresses[j].formatted "\n" + "Street Address: " + contacts[i].addresses[j].streetAddress + "\n" + "Locality: " contacts[i].addresses[j].locality "\n" + "Region: " contacts[i].addresses[j].region "\n" + "Postal Code: " + contacts[i].addresses[j].postalCode + "\n" + "Country: " contacts[i].addresses[j].country); } }; function onError(contactError) { alert('onError!');
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Two-dimensional array of organization objects with these values
Organizations (array) – a list of the organizations the contact is associated with Two-dimensional array of organization objects with these values pref: Boolean value that defines if the entry is the preferred or default organization for the contact type: String defining the type of organization (home/work) name: name of the organization department: department where the contact works title: Contacts title in the organizations
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Example – 2 dimensional function onSuccess(contacts) {
for (var i = 0; i < contacts.length; i++) { for (var j = 0; j < contacts[i].organizations.length; j++) { alert("Pref: " contacts[i].organizations[j].pref "\n" + "Type: " contacts[i].organizations[j].type "\n" + "Name: " contacts[i].organizations[j].name "\n" + "Department: " + contacts[i].organizations[j].department + "\n" + "Title: " contacts[i].organizations[j].title); } }; function onError(contactError) { alert('onError!'); var options = new ContactFindOptions(); options.filter = ""; filter = ["displayName", "organizations"]; navigator.contacts.find(filter, onSuccess, onError, options);
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Phones, s, and ims Two-dimensional array of objects with these values pref: Boolean value that defines if the entry is the default value type: String defining the type of value (home/work) value: Contact value such as phone number or address
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Example var contact = navigator.contacts.create();
// store contact phone numbers in ContactField[] var phoneNumbers = []; phoneNumbers[0] = new ContactField('work', ' ', false); phoneNumbers[1] = new ContactField('mobile', ' ', true); phoneNumbers[2] = new ContactField('home', ' ', false); contact.phoneNumbers = phoneNumbers; // save the contact contact.save();
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