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Nikolai Prettner
Co-Founder, CDO at Shopprapp
Co-Founder, CDO at Shopprapp

Nikolai's posts

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Sketch MacOS Refresh Concept

A concept I made a few days ago, a Sketch MacOS Refresh Concept.


Hello everyone! Update 🕑

After a lot of back and forth and thought, I've decided to stop making Android themes (for now). I've started to update / create some of my themes just to find out that I won't be able to complete this or that update because of time constraints so I decided to put it on hold. Creating and maintaining themes takes a lot of time and effort. I really miss making themes, but I also don't want to constantly abandon my themes whenever I'm not free which happens a lot nowadays. I've also discovered new interests such as web development so I've been pretty much occupied with that apart from my job. Maybe down the road I'll be free(er) to do Android themes again, I definitely will but as of now I can't see myself doing it right now. Thanks to all of you for your continued support, much appreciated. 👌🏻

Hey everyone! I've been absent for a while now, I've been extremely busy with work & graduation to a point where i had absolutely no time to update any of my themes (i feel horrible). Now that I've graduated, I'll have more time to focus on Exo UI and upcoming themes I've had in my pipeline! 

Hey guys sorry for the one week absence and lack of updates. I've been incredible busy with sort-of-finals and work. I'm working on a big big update for Exo UI Dark, building it from the ground up again so I can eliminate a lot of bugs while also optimizing it a bit. I will also take out a couple of apps that have most colors hardcoded or linked (Don't worry, it will only be 1-3 apps tops).

The reason I'm doing this is because those themed apps look almost nothing like how Exo UI should initially look. Also because Quality ≠ Quantity. I know, I know the more apps the better, but it just doesn't look great at all. A lot of you have also been asking when I'll implement Google+, I've been working on that for the longest time. Google+ is a massive app, so much linked colors, right now the version that's on my phone looks like Holi (lol), its just, nah. But I'm trying my best to include it as soon as possible.

Exo UI Dark will also get a fourth color option for Arcus when it's released. I can't say when I'll update, but hopefully by the end of this week as I really want to get this update out to you guys.

I have also not forgotten about Exo UI L, it will get the usual bug fixes, some more themed apps, including (probably the first ever) white Spotify! :)

Stay tuned!

Exo UI D Update V3.1

• Spotify fully themed (With ripple :D)
• Arcus themed
• Google Translate themed
• Google Authenticator themed
• AirDroid themed
• Clock themed
• Power menu icons properly themed
• Status bar network & wifi icons made into vector drawables
• Flexcontrol in settings themed
• Dialer incall statusbar fixed
• DND status icons themed
• Instagram colors fixed

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The 1.4 update's bringing Arcus support with the same two styles Exo UI Dark has gotten a while ago. I'll be adding more and more styles as time goes by. Join the theme community if you're experiencing bugs here -

(Please allow a few hours for the update)
Get it here -

Arcus Community:

Exo UI L - V1.4

• Arcus Support (+Heat & Frost Styles)
• Chrome / Dev / Beta themed
• Clock themed
• Completely redone theme fixing a ton of bugs and color mismatches
• Dialog & text color fixes
• Wifi & Network status icons are now vector drawables so that they can be picked up by status bar mods
• Power menu icons color properly themed
• Gallery all issues fixed
• Downloads / Documents all issues fixed
• Instagram Upload / Editor / Statusbar colors fixed
• Dialer in-call status bar fixed
• Various small color fixes
• Google Play Drawer text padding fixed
• Flexcontrol settings icon themed

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You can now find the light & dark WhatsApp wallpaper in the Exo Resources folder in the pinned post or here

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Style Debug

I'm one of those people who dig really deep into android styles and modify them and that usually results in bugs that I don't exactly know how to fix or what's affected exactly. So I made myself an app that pretty much tells me in detail what I have themed and what the name of that is. Since it's been extremely useful for me, I've decided to share it on play and throw in some additional components. You have two themes to debug from - Theme.Material and Theme.Material.Light

Essentially what this does is it's similar to the Theme Debugger on the play store, however I found that it's useful in showing me what's themed but not telling me where I can find whatever I've themed or the exactly name of the style. With this, I can be even preciser in changing my styles, well that's just me.

(This is not a theme)
Get it here -

Exo UI Light - V1.3

• Gmail themed
• YouTube themed
• Google Chrome Dev themed
• Google Chrome Beta themed
• Resurrection Remix Settings icons themed
• Resurrection Remix Power menu icons themed
• AOSiP Owl icon themed in settings
• Screw’d ROM Screw’d settings icon themed - As for the privacy guard icon it looks like it's referencing the tint color from layouts
• Edit Text Tooltip background
• WhatsApp sound recording outline fixed on incoming and outgoing messages
• WhatsApp incoming background made white so group members can be seen clearly
• AICP Extras (Needs testing / Confirmation)
• Fixed a lot of text colors / dialog text colors
• Stock & Google Contacts FAB background fixed
• Hangouts conversation status bar background fixed
• Stock & Google Contacts white status bar fixed
• Google Messenger overall improvisations
• WhatsApp FCs fixed (due to memory leak) - haven't gotten any over the past day
• Statusbar battery icon color fixed

Arcus support will come in the next few days.
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