How To Change Resolution in Mobile Java Games

How to change resolutions of Mobile Java Games.

Rating: +7

Lets get to the point straight!

You have to open a *.jar file for example in WinRar and than open file “manifest.mf” from folder “META-INF”. Than write there this in the end:

Nokia-MIDlet-Original-Display-Size: 176,208
Nokia-MIDlet-Target-Display-Size: 352,416

First is original resolution of game and the second is the resolution of your phone.”

Detailed Info:

Open the jar(with winrar)

->open META-INF(directory)
->Open manifest.mf(drag it to your desktop and open it with notepad)-add the two lines Nokia-MIDlet-Original-Display-Size: 176,208 (the original resolution of the game)

Nokia-MIDlet-Target-Display-Size: 352,416 (the resolution of you phone)

->Drag the edited manifest.mf back to your jar(in meta-inf directory)
->Close Winrar
->Send to phone
->Enjoy!

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4 Responses to “How to change resolutions of Mobile Java Games.”

4
aniket Says:
July 2nd, 2008 at 3:13 pm
thanks dude it really worked on my n73 . can i upload games here ? i have sum gud ones. thanks again
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3
zeta Says:
June 12th, 2008 at 6:07 pm
Sabretooth,
the reason u r having this invalid error is, u have extracted the whole jar file & zipped again after modification.
but, u should not extract the whole file. rather open the jar file with winrar or similar. Then, go to meta-inf. There u will get the manifest file. drag the manifest.mf in ur desktop. then edit it following chaos’s rule. After that drag the edited manifest into the winrar window (from the place u dragged the manifest for the first time). Then save it.
That should help u avoid the invalid error.
Now, for the main problem. I did everything. But, still the game resolution didn change at all in mobile. I tried to change the resolution from 176×208 to 240×320. Nothing happened. Any help on this?
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2
Sabretooth Says:
May 19th, 2008 at 6:06 pm
Hi Chaos,
Your site is cool. I tried to change the resolution of a java game, i did exactly what is written in your tutorial. But when i started to install it in my phone, it become an “invalid jar file!”. I hope u teach me more, about this topic. Thanks and more power to ur site!
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1
ashok Says:
March 17th, 2008 at 1:25 am
Execuse me this does not work with screen with small resolution. I was not able to change the resolution from higher to smaller. is it possible to do so. And mainly how to find out the actual or original resolution of the game. Please help me out.
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