Updating my application with the users
Im in the process of making a java application.
Im making a complete application but i need to update it on a regularly basis on the users machines. Its a financial application and there are a lot of changes every year to the application, so theres no way i can avoid making changes to it.
So how do i update the application?
Can i just download a new jar file for each new version and use it instead of the old?
jacob_hansen wrote:
Anyway if i just need to make a button in my application which can download a new jar file to replace the current - how do i do that?Use the DownloadService. Actually, that is not strictly necessary, since JWS updates are automatic.
Or to put that another way. Use webstart.
Edit 1:
From earlier..
..Its very simple to you and me, but many of my users can manage clicking something on their desktop and thats about it.Obviously your understanding of webstart is very 'minimal'.
Let us compare the two experiences..
||Step||InstallShield installer||JWS|
|Find the application & download(1)|Click a link to a .exe|Click a link to a .jnlp|
|Choose what do do with it|Choose 'Save As' or 'Run'|-|
|If 'Save As'|Double click the downloaded EXE (to run it)|-|
|Allow the security prompt|-|Applies only to extended permissions apps.|
|Choose whether to allow desktop shortcut/menu items|-|Applies only to sand-boxed JWS apps.|
|Run the app.|Double click the desktop shortcut or click the menu item|Same|
|Update the app.|Click your hypothetical 'Update Button'|- (happens automatically)|
1) The InstallShield installer might offer, what? Windows and Linux/Unix variants? The user has to pick the correct one. Webstart works for Mac, Unix/Linux and Windows. No 'choice' necessary on the user's part.
So, ultimately starting a downloaded webstart app. is just as easy as starting your InstallShield app., but the IS app. user has to click the 'Update' button, which is not necessary for webstart, unless you wish to take active control of the download, and attach it to your 'update' button.
I'm just curious as to what your next (pathetic) excuse for not trying webstart will be.
Edited by: AndrewThompson64 on Jan 8, 2010 6:19 PM
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