Jamie Munro's 20 Recipes for Programming PhoneGap: Cross-Platform Mobile PDF

By Jamie Munro

Gain hands-on adventure with the fantastic PhoneGap library, utilizing the sensible recipes during this convenient consultant. With those suggestions, you could let your cellular net apps to have interaction with device-specific beneficial properties reminiscent of the accelerometer, GPS, digital camera, and handle booklet. easy methods to use your wisdom of HTML, CSS, and JavaScript to construct complete cellular apps for iOS, Android, and several systems with out rewriting apps within the local platform language. every one recipe contains pattern code you should use on your undertaking at once, in addition to a dialogue of why the answer works.
* upload performance that’s on hand simply on a undeniable machine or platform
* Retrieve the device’s present GPS position and position a marker on a map
* Create and shop a brand new touch or edit an present touch within the tackle booklet
* Take photographs with the digicam or decide on one of many user’s present images
* add a dossier from the neighborhood gadget to an exterior server
* enable the machine to list audio or video via your app
* let your software to avoid wasting records in the neighborhood

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Additional info for 20 Recipes for Programming PhoneGap: Cross-Platform Mobile Development for Android and iPhone

Example text

Href is used and stored in the currentUrl global variable. Then, if the variable isPhoneGapReady is already set and true, there is no need to add the listener and wait, so it just calls the onDeviceReady function. Executing a Callback Function Once the Device Is Ready | 17 The onDeviceReady function has been slightly reorganized and some of the previous work has been moved into new functions for later expansion, including the newly added executeCallback function. , the index. This name is then used to check whether there is a function called onIndexLoad.

Html. This contains a basic form that will be used to collect the contact’s information. js">

A Save and Cancel button have been added to the header bar and the various contact fields that are shown in the view page are included in this form. html pages. The header bar needs to be updated to include Add and Edit buttons in the respective pages that will link the user to the form. html file. html" data-icon="save" data-theme="b">Add

... html" data-icon="save" data-theme="b">Edit

...

The getParameterByName function is a simple helper function that is used to retrieve the id from the query string. The final function, showContacts, is called when a successful list of contacts is received from the first function, onContactsLoad. html file. As a nice addition, the contacts are sorted alphabetically by the Retrieving Contacts in the Address Book | 33 givenName. This is done so that dividers can be added to group the items by the first letter of the contact’s name. See Also “Displaying Table-View Data” on page 28 Creating a New Contact in the Address Book Problem You want to allow your application to create and save a new contact or edit an existing contact in the device’s address book.