Category Archives: Other

Join the OpenSignal and WeatherSignal Beta

We’re making it easier for the OpenSignal/WeatherSignal Android community to access and test the latest features by introducing a Google Play Beta Program. By joining the Google+ beta communities and then opting-in to receive updates, you’ll get the latest development … Continue reading

Posted in App Update, Help Needed!, OpenSignalMaps Android App, Quantified Self, WeatherSignal | Leave a comment

“All units are ridiculous” – how to understand scale

I am occasionally and gratifyingly asked what I study – perhaps because I’ve never learnt to dress or shave properly despite having left university over 6 years ago. I say that I build apps to measure the world through mobile … Continue reading

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Android Permissions Misery

We recently noticed something pretty worrying when looking at our rating: After a year in which our averaged rating has climbed up almost every day, it has started to decline. Why? The app is working better than ever, with every … Continue reading

Posted in Android Development, App Update, FAQ | 4 Comments

What does 24 hours of OpenSignal data look like?

The above image shows all the signal readings we have collected from the OpenSignal app over the past 24 hours. We’ve been looking for a way to emphasise quite how much data our community shares with us, and simply plotting … Continue reading

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We built an Android Arduino Cake

Yesterday we hit 5 Million downloads of the OpenSignal Android app, naturally a cause for celebration. Celebrating, to our minds, = cake, but we wanted this cake to be different, to be really appropriate for the occasion. Sure we could … Continue reading

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40 Developer Tips for Android Optimization

Here’s a good way to get into Android programming:  Find some code that does something similar to what you want to do  Adjust it to try to make it do your thing  Watch it fail  Troubleshoot using StackOverflow Repeat the … Continue reading

Posted in Android Development | Tagged , , , , , , , , | 3 Comments

The SHTC1: Inside the chip that powers WeatherSignal

I once cracked the screen on my Nexus One. If you’ve done this yourself you’ll know that to replace it you need to dismantle your phone to a near-molecular level and in doing so you get to see the exposed … Continue reading

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3.5% of clocks are over an hour out on Android

At OpenSignal, each datapoint we collect has two timestamps: the time the reading was taken and the time the reading was inserted to our server. Because we make extensive use of SQLite cacheing on devices, these times can be far … Continue reading

Posted in Android Development, Reports | Leave a comment

Traveling Man: Tools and Apps for Testing Cell Networks Across America, Part II

Early on we realized that some kind of tablet would be necessary to monitor the internal testing dashboard on the go. To be totally honest, I was hesitant about the usefulness of an iPad Mini. We just needed to monitor … Continue reading

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Traveling Man: Tools and Apps for Testing Cell Networks Across America, Part I

When I set out on my journey traveling the country doing signal testing with OpenSignal & TechHive, my aim was to travel light. Hitting 20 cities in five weeks is no mean feat, and the less to cart around with … Continue reading

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