php hello world on OSX

By | July 10, 2017

Getting a php hello world up and running is very quick in OSX. First of all, everything is there already. Apache and php. To start apache run: > sudo su > apachectl start Then go to http://localhost and you should see: The web directory is /Library/WebServer/Documents If you put hello.php there <html> <head> <title>PHP Test</title>… Read More »

Opening up an application using terminal in OSX

By | June 28, 2017

If you have ever wondered how to open an application using terminal, the command is very simple. > open -a application_name For instance: > open -a Note that auto-complete will place a forward slash like this > open -a You will have to remove it. Your current directory in terminal should be the… Read More »

Category: OSX

Creating a simple navigation drawer in Android

By | June 26, 2017

There are lots of articles on how to create a navigation drawer in Android but they are all slightly different with some extending ActionBar and some extending Activity. I wanted to extend AppCompatActivity as this is the most up to date version to use. The notes at: are ok but it doesn’t explain step by… Read More »

Learning Android toast the long way

By | June 11, 2017

It is relatively easy to show a toast (a short message that appears on screen for a few seconds and then disappears) with the following code: Toast.makeText(getApplicationContext(), “hi”, Toast.LENGTH_LONG ).show(); The trick is trying to understand how this short hand method was created. This is what it looks like written the long way: Context context;… Read More »

Best Android 101 Tutorials

By | June 7, 2017

This site has a very high quality android tutorial. Old school versions: Make Your First Android App: Part 1/3 Android Tutorial for Beginners: Part 2 Android Tutorial for Beginners: Part 3 Updated versions: Beginning Android Development Part One: Installing Android Studio Beginning Android Development Part Two: Using Android Studio It is well worth reading both.… Read More »

What is an Android Intent?

By | June 5, 2017

The official definition is: An Intent is an object that provides runtime binding between separate components, such as two activities. (taken from: In plain English, if you want to pass variables or parameters between screens (activities), use Intents

Could not find

By | June 4, 2017

If you are running into this problem, it will be because Android Studio has this quirk where the constraint folder is not in the android directory structure but outside it. Let’s start from the beginning. The libraries are all in the /User/<username>/Library/Android/sdk/extras/android/m2repository/com/android/support/ However, constraint sits in a slightly different place. It is at /User/<username>/Library/Android/sdk/extras/m2repository/com/android/support/ Note the… Read More »