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Filip Němeček

I am primarily an iOS developer but I also create stuff with Python & Django. Feel free to reach out.

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Latest posts

Compositional Layout

How to show page indicator with Compositional Layout

Short guide how to do it with UIPageControl and Combine. Full source code available.

Swift & iOS

App promotion

8 "marketing" ideas for your app

Ideas to get you started when you want to "do marketing" for your app.

Swift & iOS

Quickly preview app icon on a real device

Introducing small new tool called App Icon Preview.

Swift & iOS

Diffable

Fixing wrong animations with Diffable Data Source

The most common causes and how to fix it.

Swift & iOS

App promotion

Careful when getting inspiration from popular apps

On the pitfalls of mistaking correlation with causation.

Swift & iOS

App promotion

Minimal Press Kit your app should have

Assuming you plan to contact the press.

Swift & iOS

Make rounding specific corners easier with extension

Renaming constants goes a long way...

Swift & iOS

App promotion

What is a Press Release? Should you care as a developer?

Why bother? And how to get started without getting overwhelmed.

Swift & iOS

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App promotion

5 tips for better App Store screenshots

Whether you are preparing to publish your first app or want to improve screenshots for already published one, I hope at least some of these tips will be helpful.

Swift & iOS

App promotion

4 reasons why ZIP file Press Kit isn't an ideal solution

You may be losing press coverage because of this.

Swift & iOS

ImpressKit with help with Press Release distribution

Normally I write about features once they are deployed but with this one I am so excited I decided to flip it 😆

ImpressKit

Django tip: Redirecting straight from urls.py

You don't need custom view to redirect URLs.

Django

App promotion

Places you can promote your app for free

Without hoping that some journalist will write about it.

Swift & iOS

Building SaaS

Few mistakes I made creating & launching ImpressKit

When looking back at the past months, there are a few things I wish I would do differently.

Projects

How to disable automatic transparent tabBar in iOS 15

With Xcode 13 and the iOS 15 SDK there are important changes to UITabBar.

Swift & iOS

How to disable automatic transparent navbar in iOS 15

Xcode 13 along with iOS 15 SDK brings substantial changes to UINavigationBar.

Swift & iOS

How to do press kit guides: publicly available

Currently there are three with more on the way.

ImpressKit

Creating dynamic RSS feed with parameters

Quick look at setting up RSS feed that takes a parameter.

Django

Loading HTML text into UITextView

Using NSAttributedString. With pitfalls to avoid.

Swift & iOS

ImpressKit September update: First guides + small improvements

First guides are finally available + a bunch of other useful tweaks/improvements.

ImpressKit

Indie Apps Catalog

I am building "Indie App Store"

Some news what I am up to, how to follow and sneak peek.

Projects

ImpressKit now offers press releases management

Manage and publish press releases for you app.

ImpressKit

How to check if Mobile Data is enabled for your app

Another niche topic, that may be quite useful in certain situations.

Swift & iOS

Building SaaS

ImpressKit improvements: July update

I have implemented some cool new features for ImpressKit.

ImpressKit

Implementing drag & drop for Collection View

A quick loot at implementing drag and drop capabilities in your app using Collection View.

Swift & iOS