Auf der 12. droidcon Berlin fanden sich die führenden Android-Experten der Branche vom 20. bis 22. Oktober 2021 zusammen. Die drei Konferenztage waren mit 30- bis 60-minütigen Vorträgen gefüllt. Im Folgenden beschreiben wir unsere Erfahrungen zu den Talks und abschließend ein Fazit, welche Erkenntnisse und Inspirationen wir von der Konferenz mitnehmen konnten.

In diesem Blogbeitrag zeige ich einen Teil meiner Thesis: meine Erkenntnisse zum Fingerprinting als Verfahren zur Positionsbestimmung.

Dieser Blogbeitrag geht auf die Indoor-Positionsbestimmung mit Bluetooth Low Energy ein. Genauer wird der Ansatz Multilateration bzw. Trilateration evaluiert und die Erkenntnisse aus einem Experiment dargestellt.

Some time ago we decided to expand our pool of Android devices. These are used in our Continuous Integration (CI) pipeline. But running our tests we noticed a peculiar behaviour: Only 3 devices would execute the suite while the rest would wait. Then as soon as a device finished one of the waiting devices would proceed with the test suite.

Klingt langweilig und abgedroschen? Nicht bei uns! Gegen Ende des letzten Jahres entfachte sich eine spannende Diskussion über Werte. Die Idee dahinter: ein gemeinsames Wertebild für unser Unternehmen zu finden.…

In my previous post, I showed you the basic setup for android with maven using the android-maven-plugin. Now I’ll show you how to configure it to make releases with maven,…

Building and managing Android projects with maven is not as easy as it could be. So in this blog, I’ll show you how we managed to get it work nicely.…

We had a case in an internal app, where on Phones only the Portrait mode should be possible and on Tablets only the Landscape mode. So I googled a bit…

Within the scope of some Android R&D I took a look at Google’s Cloud Message Service, GCM. Well, the starter guide at http://developer.android.com/google/gcm/gs.html is almost all you need to get started,…

In today’s tutorial I’d like to show you how to implement a ListView, that only displays a limited number of entries. With a button at the end of the list,…

In a recent project I encountered a problem with SQLite on android 2.1. On later versions, my code worked perfectly, but on 2.1 it crashed every time when trying to…

In my last project I needed to implement a ListView with rounded corners, because the app had to be supplied for Android and iPhone and they needed to look somewhat…

For an upcoming, probably large mobile project, I was asked to look at the current situation on mobile multiplatform frameworks that cover at least Android and iOS and provide access…

It has been a while since these pages saw some content. The daily software engineering business calls for our full attention, leaving us writing more code than content. Which is…

It has been a while since our 1.0 release of I think I spider, but we have been working hard on a new major release with a couple of great…

One of the most impressive talks for me at WWDC 2010 was session 306 – “Automating Use Interface Testing with Instruments”. I’ve been wanting to check it out ever since…

On Wednesday, I’ll be giving a presentation on Apple’s Game Center at the local CocoaHeads Group, here in Karlsruhe. Game Center is Apple’s social gaming network, that lets you invite…

When prototyping Android activities with a lot of view elements, the onCreate method can quickly become cluttered. Setup code that simply retrieves the views from the declarative layout (by using…

When you enable Apple Push Notifications (APN) for your App, your device generates a unique device token and pass it to the didRegisterForRemoteNotificationsWithDeviceToken method in your App delegate. Usually, you’ll…

Today we are proud to present our own very first App (it’s actually our second Android App) that made it to the App Store and Android Market – I think…

During the process of developing I think I spider we discovered various problems regarding Android’s different resolutions. Here you can see which problems we encountered and how we solved them:…

In the previous part of this series we took a look on how to develop mobile applications with plain HTML, CSS & JavaScript (furthermore refered to as the web stack). A…

If you add a store to your app and use In App Purchases to collect your payments, there are a couple of limitations your have to live with. One of…

We improved our “I think I spider” App quite a bit since Beta 1. Among other stuff we added some nice sound effects. If you want to check it out,…

Once in a while a demand for fast development of a mobile application for several platforms at once comes up. Your team of developers might be small or knowledge about…

Our little pet project “I think I spider” is almost ready to be thrown out into the wild! That means we are running a closed beta for iOS devices for…

If you need to send apple push notifications to your users, like we do in a secret project mentioned earlier this week, notnoop’s java-apns library is a good choice, because…

We are working on a fair number of Apps here at our mobile team and today we are proud to announce one of them: I think I spider! The “I…

During development I realized that many device specific features are not available in the emulator. So I decided to find a way to debug software in realtime on the device.…

Have you ever pondered on the NSString class reference and you were overwhelmed by the sheer amount of methods? I certainly have and due to the endless possibilities those methods…

Before flying off to WWDC last month, I watched a whole bunch of sessions from 2009. Among others a session on “Prototyping iPhone User Interfaces” by Bret Victor. If you…

Dealing with self-signed ssl certificates is a real pain, because it’s not that simple to add them in your app and let android accept them. But fortunately, there’s a workaround…

After you got the route from wherever, you probably want to draw it on a MapView. But how to do it? That’s what I will show you now. Create a…

Complementary to Sebastian’s posts about how to navigate with the MapView and how to add customized overlays to it, I want to show you, how you display the route between…

In this post i will show you how to realize a Maemo 5 Qt 4.6 application with google maps integration. The map: There is a good short tutorial with included…

I’m going to Apple’s WWDC this year and I’m pretty excited to fully dive into iPhone development for the whole next week. That it takes place in San Francisco is…

Configuration of Qt: My last post described howto setup your sdk an ide for Maemo5 and Qt development on the N900 devide. This time i will show you how to…

Now that SynyxSudoku has been on the market a little while, I want to tell a little about what kind of measurements we took to optimize the performance of it.…

FroYo (Frozen Yoghurt) is the name Google gave its new Android 2.2 Release. FroYo is like each previous version a mixture between API Changes, new Userfeatures and some new cool…

In my first installment, we laid the foundation for todays blog post. So don’t hesitate to head back for a recap, if you need to. You can download the code…

When you submit an App to the Apple App Store it has to go through a “rigorous quality check”, conducted by Apple. Although there are plenty of resources out there,…

First of all, I was quite surprised as i saw that 70% of the SynyxSudoku users that uploaded their highscores have also agreed to send us their device specific data,…

There were a few little things that had to be changed on SynyxSudoku after the release, so today we uploaded an update to the version 1.02. Here’s a quick changelog:…

In my last post about Google Maps on Android I showed you how to use the basic navigation features of google maps, like moving the map to a defined area…

We wanted to give our users the possibility to find our office. On the iPhone, the simplest way to do it, is to use Google Maps and the MapKit framework.…

Integrating a google map on android is quiet simple – how to do this basically is shown in the tutorial on the android developer site. Showing the map itself is…

We are proud to announce, that our sudoku app, “SynyxSudoku” is now available on the android store. And best of all: It’s completely free of charge ! (except for your traffic costs,…

As a Java developer it was not easy for me to find the right entry point for developing c++, using the trend-setting Qt 4.6 environment and having a cute ide…

Here’s a quick preview of our upcoming sudoku app on android: [youtube S_wjWf7V660] The layout has yet to be polished a little, but altogether the app is nearly finished.

This is the inception of Synyx Mobile Solutions. In the near future we’ll blog here about a wide range of topics in the mobile space. No matter if it’s Google’s…