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sample/concept to share... Iphone log in pad and coding a backspace key for dialog

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    #1

    sample/concept to share... Iphone log in pad and coding a backspace key for dialog

    if you are like me desperate to launch a Mobile app
    and with lack of proper login screen for iphone.
    with the annoying pop up keypad normally seen on iphone/ipad

    I have successfully created a simple elegant keypad for that purpose
    it is linked to the ordinary user security database, where i added a new field
    called "mobile_pin", which is typical 6 digits numeric.

    The coding for the backspace/error correct key as follow:

    var dtl = {dialog.Object}.getValue('mobile_pin');
    dtl = dtl.substring(0, dtl.length - 1);
    {dialog.Object}.setValue('mobile_pin',dtl);
    {dialog.Object}.setValue('label1',dtl);

    see sample, my number 1 button has these codes.

    var dtl = {dialog.Object}.getValue('mobile_pin')+'1';
    {dialog.Object}.setValue('mobile_pin',dtl);
    {dialog.Object}.setValue('label1',dtl);

    my number 2 button has ...

    var dtl = {dialog.Object}.getValue('mobile_pin')+'2';
    {dialog.Object}.setValue('mobile_pin',dtl);
    {dialog.Object}.setValue('label1',dtl);


    My "clear" button would have these :
    here i actually reset geolocation watch event, in case you had it on,
    i then re apply/track/update user's latest GPS coordinate.
    there are many field on my dialog.


    {dialog.object}.resetForm(false);
    {dialog.Object}.geolocation.clearWatch();
    {dialog.Object}.setValue('mobile_pin','');
    {dialog.Object}.setValue('userid','');
    {dialog.Object}.setValue('display_name','');
    {dialog.Object}.setValue('label1','');
    {dialog.Object}.setValue('ulink','');
    {dialog.Object}.setValue('guid','');
    {dialog.Object}.setValue('user_password','');
    {dialog.Object}.setValue('latitude','');
    {dialog.Object}.setValue('longitude','');
    navigator.geolocation.getCurrentPosition(geoLocateSuccess,geoLocateFailed,{enableHighAccuracy : true, timeout:15000, maximumAge:30000});
    {dialog.Object}.submit();

    REMEMBER:
    to have a label to represent the keypad entry value, so user can see what is being keyed
    "this one very important" to prevent the ipad/iphone virtual keypad from popping up !!!!"
    so make sure you keep the actual mobile_pin field hidden....

    place this dialog on a simple blank a5w page of your choice
    i called it mob_pin.a5w

    please insert these meta codes, to prevent iphone user from stretching the display !!!
    yes, a fixed size data all the way, user can operate with one had in portrait mode.

    <!doctype html>
    <html>
    <head>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0"/>
    <meta name="format-detection" content="telephone=no" />
    <META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">
    <script language="javascript">

    in addition, on iphone, please download an excellent browser called
    "perfect browser" which give you full screen view on your iphone screen.
    instead the default with showing other apple tools.

    you will like the way alpha5 work on iphone


    see picture for more explanation,

    the submit, function etc are conditionally disabled,
    once the validation match the mobile_pin entry,
    your dialog would have user name, password shown.

    so the condition , if user_id field <> "" then enable
    by the way, once you hit clear, all critical button would be disabled nicely.

    100% done under the spirit of sharing & DIY,
    no complicated codes.

    Ken Tjiaiphone pad.png
    Tags: None
    #2
    Re: sample/concept to share... Iphone log in pad and coding a backspace key for dialo

    once you passed this log in, you decide what to do.
    i have the function to open up another mini screen with
    plenty of button to push, this apps design for mobile worker
    with button to push,, avoiding virtual popup keyboard
    which i was told can not get disabled , at least on my iphone.

    Comment

      #3
      Re: sample/concept to share... Iphone log in pad and coding a backspace key for dialo

      Ken Tjia - thank you for posting this information, very useful as we are designing for primarily iPad. I have another question for you regarding the appearence on iPad. We have designed at 980 pixels page width as we intend to primarily use portrait mode. However, the buttons and grids (everything) are very small - still workable, but we'd like the overall appearance to be larger. Do you know anythinng about this? Should we use a smaller page width and force iPad to zoom?

      Appreciate it if you know anything on this subject.

      Thanks,
      Mark

      Comment

        #4
        Re: sample/concept to share... Iphone log in pad and coding a backspace key for dialo

        Hi, i intend to work on an ipad interface, similar idea no keyboard pop up
        instead utilizing touch and pin # concept...

        i hope to start on it this afternoon, see if i can post the result

        Comment

          #5
          Re: sample/concept to share... Iphone log in pad and coding a backspace key for dialo

          Great - look forward to your progress and thanks for the reply. I did also find meta tag info for hiding the safari browser - maximizes the screen space and looks more native. Just need a button on the home screen of the ipad to lauch the site.

          Comment

            #6
            Re: sample/concept to share... Iphone log in pad and coding a backspace key for dialo

            please give me the link to such meta, that would be nice
            allowing to eliminate the use of "perfect browser"
            whihc by the way is very good

            Comment

              #7
              Re: sample/concept to share... Iphone log in pad and coding a backspace key for dialo

              Here's the site - talks about iPhone, but the settings are the same for safari in iPad.

              http://developer.apple.com/library/i...lications.html



              Here's what it says:
              Hiding Safari User Interface Components

              On iOS, as part of optimizing your web application, have it use the standalone mode to look more like a native application. When you use this standalone mode, Safari is not used to display the web content—specifically, there is no browser URL text field at the top of the screen or button bar at the bottom of the screen. Only a status bar appears at the top of the screen. Read “Changing the Status Bar Appearance” for how to minimize the status bar.

              Set the apple-mobile-web-app-capable meta tag to yes to turn on standalone mode. For example, the following HTML displays web content using standalone mode.




              <meta name="apple-mobile-web-app-capable" content="yes" />

              You can determine whether a webpage is displaying in standalone mode using the window.navigator.standalone read-only Boolean JavaScript property.

              Comment

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