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Tutorials

Here is a list of tutorials written by me. Hope you will find something usefull

Android

Compile APK online

It was long time i was dreaming about ability to compile apk online. So this blog post (tutorial) will be how to prepare C9 online IDE or any similar based on ubuntu linux to be able to develop online.

First of all, create new empty ubuntu box and resize it to 1Gb RAM and 5GB storage. Simple APK compile stull will require about 1GB of storage, but if you decide to go on gradle dependency management system- storage will grow to 2.5GB.

I prepending everyhing with sudo command, in case any permission will be missing.

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AppInventor

Multiple Screens

All Android graphical user inteface elements are fitted into Screens. Your simple application may have just one screen. More sophisticated apps may have multiple screens. For example About, Help or Settings screens together with main app screen. Sometimes you need to pass information from one screen to another. This tutorial will cover this. It is about screens usage and passing data between them.

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2014/02/04 20:18 · 1 Comment

Radio Button in AppInventor

screenshot.02-04-2012_2010.55.59.jpgThere is no RadioButton in AppInventor's components list, so you have to build it yourself. I've saw youtube tutorial how to build RadioButtons based on CheckBoxes. I didn't realy liked that work-a-round, though it works. But that tutorial trow me idea how to build more RadioButton looking ones, out from Images and regular Buttons

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Separator

separator2.jpg If your applications requires to separate different parts of GUI elements, you can use separator for this. AppInventor does not have this by default, so you have to work-a-round it. Here is how: To create a separator in your android app, just use simple Label component. Set BackgroundColor to black (or whatever else that fits your theme), empty the text field, width- Fill parent, and Height- 1 pixel. And here you have a separator in your application.

2014/02/04 20:18

Cordova

JQuery getScript not working in Cordova

Creating Cordova (formerly known as PhoneGap ) application aimed to work with 1.6+ Android I've faced strange problem. Android 4.0.* versions devices does not load script via jQuery command getScript. And this was only in 4.0.* version devices

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2014/02/05 16:31 · 0 Comments

Python

Quick tips

2014/02/04 20:18  
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