Update as of 17 June 2011 : I have changed my phone from Nokia E71 to iPhone 4 and I found a better way to display my location. In Nokia Symbian Phones, the Google maps app itself included a feature to auto update in the background, but the battery drain was considerably high . Also , whenever I reboot my phone, I forget to enable tracking after bootup. Now in iPhone 4 in addition to the google latitude app, you could use Apple’s implementation of mobileme.com find my iphone tracking service right from iOS. I found this really cool script sometime back called playnice (PHP script run as a cronjob). This script will manually initiate a mobileme.com “find my iphone” request which will fetch my iphone’s current location instantly and use the data to update my google latitude location. This way, the battery drain is negligible because there is no background app running on my phone tracking my location, instead … my server initiates a location update request at a frequency which I specify and this request reaches my iPhone more or less consuming data as much as a PUSH notification only . This way I am always getting tracked even if I reboot my phone and there is no need of any app to be running in the background. Also there is no location history in mobileme.com, but with playnice, my server maintains a complete geo co-ordinates history in a text file, which will help me better track my phone , in case it gets lost.

My location data is automatically fetched using Google Latitude Location API. The Google maps app on my phone broadcasts my location automatically and thus you can see my current location on this page

The iframe displayed below uses google location API to fetch the address of my current location. You should head on to this post to read a tutorial on adding this to your own blog.

The mapme.at widget here shows all the locations I have visited in the last 1 week and can pull the data from both Google latitude and Foursquare servers. Pretty cool widget if you switch between foursquare and google latitude/maps on your phone very frequently.

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Please wait till the widget loads

The php curl script will automate a user login to google sms channel ( define username/password in the php code ) and then will send an invite sms to the number specified through the iphone UI. I also had written a script which will send a group sms to all your sms subscribers without actually logging-in to Google sms channels. I will try to find the script and post it here soon.

(573 hits) Flash sourcecode (.fla) file for the iphone widget Download

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The swf initially loads updates_setup.xml (shown below)

<data>

<title>Set your title here</title>

<data_source>updates.xml</data_source>

<reload_source_delay>0</reload_source_delay>

<next_update_delay>10</next_update_delay>

</data>

<data><title>Set your title here</title><data_source>updates.xml</data_source><reload_source_delay>0</reload_source_delay><next_update_delay>10</next_update_delay></data>

The <title> tag sets the title of the display widget.

The <data_source> is the relative path to the second xml file which contains the text content to be displayed (see below).

<reload_source_delay> must specify the time(beginning right after the xml loads) in seconds after which the text content auto refreshes itself. Set it to zero, if you want to disable auto refresh. Setting it to a value less than 10 seconds is not desirable.

<next_update_delay> will decide the time interval(beginning right after the previous message is shown) in seconds after which the next message/update is displayed. This value must be greater than the <reload_source_delay>, failing which the text content updates and shows the first update before all the remaining updates are shown.

Next, the swf will load updates.xml file and the updates get displayed

The Zip file attached includes the 2 XML files, the source .fla file and the TweenLite class required for the Tween. Extract all file to a single folder. Then open the .fla file in Adobe Flash CS3/4 if you want to modify it. The full source code is present in updates_class.as.

If you want to upload the files to your website without any modifications, you must upload updates_setup.xml,updates.xml and updates.swf into the same directory and then include a flash embed code in the html file on which you want to display the updates.

P.S: If the widget doesnt display updates on your site.. and just shows “loading..”, it could be that the url path of not pointing to the right XML. If you arent sure what relative and absolute urls are, just try using the url like http://yoursite.com/your_directory/updates.xml.

(416 hits) Flash Updates Widget Download

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