D-Day Countdown is at the #AdDuplex HERO App! Live Tile Enabled! - Counting remaining/passed days - Count the target date as day one or day zero - 'Live Tile' at Start Menu - Multiple countdown tiles. Various tile colors - Photo tiles - Drag to re-order tiles - Simple & intuitive design. Pro Version provides more than 2 tiles! It can even be used as a background. In addition, you can choose the screensaver background and font color. Back to menu ↑ Countdown. Countdown is the simplest, but also a cute application that will allow you to set an arbitrary date to which you need to keep an exact count of time in days, hours, minutes.
Choose a screen saver
Your Mac comes with several screen savers that display photos, messages, artwork from your Apple Music library or photo library, and more.
- From the Apple menu, choose System Preferences, then click Desktop & Screen Saver.
- Click the Screen Saver tab. Screen savers appear on left side of the window, and a preview of the selected screen saver appears on the right.
- Click a screen saver to select it. To see a full-screen preview, move your pointer over the preview, then click the Preview button that appears within.
To create a slideshow screen saver, select one of the slideshow options on the left, such as Floating, Reflections, Origami, or Shifting Tiles. Then use the Source pop-up menu to choose your own photos or one of the built-in slideshow collections.
Choose when and how to start the screen saver
Use the “Start after” pop-up menu to choose how long your Mac needs to be inactive before the screen saver starts. If you don’t want a screen saver to start, choose Never.
The Hot Corners button gives you options to start or stop the screen saver or put your display to sleep by moving your pointer to one of the corners of the screen. Choose an option from the pop-up menu that corresponds to a specific corner.
Require a password after the screen saver begins
You can set your Mac to require your login password to unlock the screen after the screen saver starts:
- Choose System Preferences from the Apple menu, then click Security & Privacy.
- Click the General tab.
- Select the option to require password after sleep or screen saver begins.
Turn off your display or put it to sleep
Your Mac uses its processor, graphics chip, and display when it shows a screen saver. To save energy, you can use Energy Saver preferences to choose how long your Mac needs to be inactive before the display turns off or goes to sleep.
- Choose System Preferences from the Apple menu, then click Energy Saver.
- Use the slider to choose the time of inactivity. If you set your display to turn off before the screen saver starts, the screen saver won't start after a period of inactivity.
If you're using a notebook computer, such as a MacBook Pro, you can set different times based on whether you're using your battery or a power adapter.
I found the method on this page from CNET, the author of which apparently found it here. In 10.8, no matter how I tried altering the permissions of the relevant file and folder in the Finder or 'unlocking' the file (as XCode refers to it), I could not get XCode (or TextWrangler) to write to the file, so I had to alter the CNET instructions a bit. (Side rant: I feel justified in refusing to resort to the terminal for a simple permissions change, a capability that has supposedly existed in the Finder for 9 major iterations of OS X.) Do the following:
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- Navigate to this folder in the Finder and find the file called 'EffectDescriptions.plist':
- Option-drag the file to create a duplicate copy and rename it 'EffectDescriptions.original.plist' (just in case). Authenticate when asked.
- Drag 'EffectDescriptions.plist' to the desktop (it will copy).
- Open the desktop copy in XCode, TextWrangler, or your preferred text editor.
- Hit Command-F to search for the entry called 'JustASlide' (this works in XCode and TextWrangler).
- Find the sub-entry called 'mainDuration.' Change its numerical value from 3 to whatever value you prefer (in seconds).
- Save the file, close it, and drag it back into the folder you copied it from. It will ask you to authenticate, and then whether to replace the file. Do both. (You did do step 2, right?)
- In Terminal, type: This will set the permissions of the file as they were before.
- Go to System Preferences and confirm with a slideshow preview that your change was effective.
Mac App To Set Screensaver To Count Days Online
As I said earlier, this is an ugly way to accomplish what should be a very simple preference setting, so if anyone knows of a more elegant solution, please share. I toyed with the idea of having a separate screensaver file in my own Library folder, but I wasn't able to determine whether that would work. Given that we're altering this setting in a private framework, it seems to me that it wouldn't.