“It's just awesome to look at. You can even change what [part of the Earth] is in the middle of the screen. … Go ahead and buy it, It'll make your screen a little better.”
Choose from 4 gorgeous daylight maps:
Your Journal for Life. App for iPhone, iPad, and Mac. Time Out is exclusive to Mac and is a good app for those who aren’t sure how to space out their breaks. It gives you a set break plan that involves 50 minute chunks of working with 10 minute breaks, as well as “micro” breaks throughout your work time, 10 seconds every 10 minutes. The idea for NightOwl was born. At first I started to develop a simple menu bar app that allowed me to switch between the two modes. Since the small tool brought me a lot of added value, I thought that other users could also benefit from my app. I designed a suitable app icon and made the first version of NightOwl available for download.
The official source for NFL news, video highlights, fantasy football, game-day coverage, schedules, stats, scores and more. Day/night areas are updated in real-time. Optionally, switch to interactive mode to simulate any time and date. Follow the seasons. Cannot send email on mac. As the sun illuminates different portions of the Northern and Southern Hemispheres. Take screenshots of the map. Save a snapshot of the current map to an image file. Great for sharing via Facebook and Twitter.
See Earth at night.
A beautiful image of Earth's city lights by NASA Visible Earth.
Show your location on Earth.
Using Apple’s Core Location technology (Internet access required). Mac photos app update.
See how the sun moves across the sky.
Day/night areas are updated in real-time. Optionally, switch to interactive mode to simulate any time and date.
Follow the seasons.
As the sun illuminates different portions of the Northern and Southern Hemispheres.
Take screenshots of the map.
Save a snapshot of the current map to an image file. Great for sharing via Facebook and Twitter.
Set it up the way you like it:
This post has been updated multiple time since first publishing. The content is correct as-of March 13th 2019.
The DayNight functionality in AppCompat allows your app to easily switch between a dark ⚫ and light ⚪ theme. This has many benefits for your users, especially if you have a content-heavy app (such as a Reddit client).
How do I use it?
You need to change your theme to extend from one of the DayNight variants, and then call one method to enable the feature. Here’s an example theme declaration:
If you’re using Material Design Components then you can also use Theme.MaterialComponents.DayNight from their v1.1.0 release. The rest of this post remains the same.
You then need to enable the feature in your app. You do that by calling AppCompatDelegate.setDefaultNightMode(), which takes one of the follow values:
The method is static, therefore you can call it at any time. The value you set is not https://merpyuo.weebly.com/blog/blink-app-mac-os. persisted, therefore you need to set it every time your app process is brought up. I would recommend setting it in your application class (if you have one) like so:
![]() setLocalNightMode()
You can also override the default value in each component with a call to its AppCompatDelegate’s setLocalNightMode(). This is handy when you know that only some components should use the DayNight functionality, or for development so that you don’t have to sit and wait for night to fall to test your layout.
If you call this method and a theme change is required, it will recreate your Activity automatically by calling recreate(), so that the new theme can be applied. This is a good opportunity to test whether your Activity + Fragments save their instance state correctly.
How can I check what configuration I’m currently in?
You can easily do this by checking your resource configuration:
WebViews
There is currently one big caveat to using this feature: WebViews. Since they can not use theme attributes, and you rarely have control over any web content’s styling, there is a high probability that your WebViews will be too contrasting against your dynamic themed app. So make sure you test your app in both modes to ensure that it’s not annoying to the user.
System night mode
Android Pie onward has a system night mode which can be enabled in ‘Developer Options’. When running on Android Pie or later, you should default to using MODE_NIGHT_FOLLOW_SYSTEM, to let the user’s device setting work.
In-app setting![]()
It is recommended to provide a way for the user to override the default theme in your app. The recommended options and strings are:
A common way to do to implement would be via a ListPreference.
Updating your themes + styles
As well as calling AppCompat, you will likely need to do some work to update your themes, styles and layouts so that they work seamlessly across both dark and light themes.
The rule-of-thumb for these things is to always use theme attributes when you can. Here are the most important to know about:
Using Material Design Components also makes this a lot easier, as it’s attributes (such as ?attr/colorSurface and ?attr/colorOnSurface) provide you an easy generalized themed color to use. These attributes of course can be customized in your theme.
Using your own resources for dark/light
AppCompat in simple terms is just enabling the use of the night and notnight resource qualifiers. These have actually been available in the platform since API 8, but were previously only used in very specific scenarios.
Under the hood Theme.AppCompat.DayNight is implemented as so:
res/values/themes.xml
Day Night Mac App Setup
res/values-night/themes.xml
Day Night Mac App Free
This means that you can also provide alternative resources for your light and dark UIs. Just use the -night qualifier on your resource folders: drawable-night, values-night, etc.
Last updated: 2019-04-10
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