screen

How to “pin” a screen in Android 5 (Android screen pinning)

Android FAQ: How do I “pin” a screen in Android?

Pinning a screen in Android requires a setting change. Once you’ve made that change, you can “pin” a screen so it is always shown when you log into your Android device. Here’s how to do it.

Android screen pinning setting

To pin a screen in Android, you first have to go into your settings and make a change. So go to the Settings app, then tap Security. When you scroll down you’ll see a “Screen pinning” setting, as shown here:

iPhone 4 screen cleaning tips from Apple

iPhone 4 screen cleaning FAQ: How do I clean the front screen on my iPhone 4 (the iPhone 4 glass)? Also, what kind of iPhone 4 cleaning cloth can I use?

I just bought an iPhone 4 a few days ago, and the front glass screen and oleophobic coating is pretty awesome. I used it for a while without noticing any smudges on the glass. As soon as I got a little bit of a smudge on it this morning I began to wonder, how am I supposed to clean the iPhone 4 screen/glass?

Java - Getting the mouse cursor location (current mouse position)

Java mouse cursor location FAQ: How do I get the location of the mouse (mouse cursor) in Java?

I just ran into this problem in my Java Robot programming, and the short answer is, to get the current mouse cursor location/position, use the getPointerInfo method of the java.awt.MouseInfo class, like this:

Point p = MouseInfo.getPointerInfo().getLocation();

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 center a JFrame on screen

I'm often asked, "How do I center a JFrame on screen?", or, "Is there a method to center a JFrame?"

I always center my initial JFrame on screen using the setLocationRelativeTo method, and pass it a null reference. As the Javadoc for setLocationRelativeTo method states:

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.