dimension

How to determine Android screen size (dimensions) and orientation alvin February 24, 2015 - 8:37pm

The following Java source code shows how to determine the screen size (dimensions) of the Android device your application is running on:

A Java JRuby screenshot (screen capture) example alvin May 25, 2010 - 8:44pm

Java image FAQ: Can you show me how to create a screen capture in Java?

I don't have any Java screen capture code to share at the moment, but if you don't mind a JRuby screen capture example (which you can easily convert to Java), this JRuby screenshot (screen capture) source code example should help point you in the right direction:

JFrame color - How to set the JFrame background color alvin January 11, 2010 - 2:46pm

JFrame color FAQ: How do I set the JFrame background color?

In general, to set the JFrame background color, just call the JFrame setBackground method, like this:

jframe.setBackground(Color.RED);

Note that there are many more things you can do with the Java Color class, including:

How to set the initial size of a Java JFrame

I've been getting back into the Java/Swing world during the last few days, and I thought I'd share some example code here. In my current application, one of the things I just worked on was setting the initial JFrame size to a value I liked.

How to tell a JFrame to fill the entire screen

In an earlier tutorial, I shared some code on how to maximize a JFrame, but every once in a while you'll run into a situation where you want to fill an entire screen with a JFrame, but not call a method to actually maximize it. This is rare, but I just ran into this situation, so I thought I'd share the source code here.

LaTeX PDF document size/length example alvin June 1, 2004 - 12:09pm

In the example below I'm showing how you can change a bunch of LaTeX document length parameters. The values don't really make any sense -- I've just thrown some numbers in there. I just want to remember how to do this for the next time I need to create a LaTeX PDF document.

(For what I'm trying to achieve today my goal was to get rid of all the margins on the left side of the page. Then I decided to throw in a few other values.)

I found some of these LaTeX examples on pp. 84-89 of The LaTeX Companion.