Simple Line Graph with Plotly.js

Draw a simple line graph with Plotly.js. With Plotly, drawing a line graph is just a single line of code.

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Aikataulu – Mobiilituotekehitys bus4tn008-6 – syksyllä 2016

Keksi ja koodaa oma Android-ohjelma. JavaScriptilla. Julkaise Google Playssa. Aiemmilla kursseilla menestyivät Cordovalla toteutetut Laurin Times Table Grid Game (yli 50 000 asennusta), Villen Hirsipuu Suomi (yli 10 000 asennusta)  ja Elmon SuomiSanakirja (yli 10 000 asennusta). Jos voitat Laurin … Continue reading

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Make Moodle Main Content Full Width – GreaseMonkey User Script

A theme in an installation of Moodle was broken. The content was shown in a keyhole, surrounded by large white sorrow borders. This GreaseMonkey userscript fixes the issue. It overrides some CSS styles on target pages. You can use it … Continue reading

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Android Map with GPS Location – Using Cordova, OpenStreetMap and Leaflet.js

A Free Android map that centers on your GPS position. This is a programming example. It combines Cordova geolocation API, OpenStreetMap.org API and Leaflet.js map library. I have explained each of these technologies in separate articles.

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OpenStreetMap & Leaflet.js – Free Map on Your Homepage, No Registration Needed

OpenStreetMap is a Free map of the world. You can even use it on your web pages without registering anywhere. Leaflet.js is a JavaScript library that makes it easy to embed a map on a web page. This article teaches … Continue reading

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GPS GeoLocation in Cordova and Android – add permissions to Android manifest

Where in the world is your cell phone? With Cordova, you can write your app in JavaScript, build an Android apk and sell it on Google Play. This article shows you how to use GeoLocation (GPS) from Javascript. We show … Continue reading

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Hello Cordova – Develop Android Apps on Ubuntu Linux

Write Android Apps in HTML5 and JavaScript. Cordova allows access to hardware (GPS, accelerometer…) and packaging for Google Play.

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Translate titles for Wikipedia – Firefox Addon

Add English and Finnish translations to Wikipedia pages. A Firefox addon.

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Javascript Basics – variable function loop if-then-else print

Learn the very basics of Javascript: variables, functions, loops, if-then-else and printing. Run the short example in your browser, then view the source. Knowing the basics will make it more fun to jQuery/PhoneGap/Cordova/ProcessingJs.

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Processing.js Graphics in PhoneGap/Cordova – Example for Android

Create simple graphics and animations with Processing.js. You can publish your games and graphics as Android Apps with Cordova. Cordova (aka PhoneGap) allows you to write Android and IOS apps with HTML5 and Javascript.

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Memory Game in Whole Helsinki

Play memory game – using the whole Helsinki as a map! My students Panu Koskela and Henry Kokko submitted their game to Apps4Finland. Competition entry on Apps4Finland Youtube video Free Android Download on Google Play

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Hello PhoneGap – from xUbuntu 12.04 Live CD

Install PhoneGap development environment and emulator from scratch. Start writing Android applications with Javascript and HTML. Guru version Hello Android $ sudo apt-get -y install ia32-libs eclipse Eclipse: Help: Install New Software. https://dl-ssl.google.com/android/eclipse/. Install Android 2.2. New Android Virtual Device? … Continue reading

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Teaching PhoneGap – Write Apps in Javascript and HTML5

I’ll teach the next mobile development course in PhoneGap. The Haaga-Helia course Mobiilituotekehitys bus4tn008-2 will be in Finnish. The course seems to be fully booked already, but you can get a place if someone cancels. I’ll teach the course with … Continue reading

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Getting Started with OpenLayers and OpenStreetmap

Add a free, interactive map on your homepage. Just plain HTML5 and JavaScript, no special server needed. Live demo with source. No API keys needed. And if you really like it, you can later download planet vector data for free! … Continue reading

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