layout

Source code to get an Android TableRow to align elements right alvin January 24, 2017 - 3:07pm

As a quick note, if you need to get an Android TableRow to align right, I can confirm that this layout code works:

An RSS Reader written with Scala and JavaFX (the beginning)

I just started writing an RSS Reader application using JavaFX and Scala, and I thought I’d post the initial code here. This code shows several advanced Scala techniques that Scala developers might need to use when writing Scala code to interact with Java, and in this case, JavaFX.

An Android GridView of text quotes (Fragment, layout, and AsyncTask source code)

Before I completely delete this code from my current Android application, I want to make a copy of it here. It was intended to show a series of quotes (text phrases) in a “Grid” (GridView), but (a) I never got it working as desired, and (b) I decided I didn’t want it in my application anyway.

Here’s the source code for the Java controller/fragment class:

What I learned today, February 23, 2015 (mostly Android)

This is a collection of notes about what I learned today, February 23, 2015. Most of it is about Android.

I need to refresh my cursor data set before calling notifyDataSetChanged

When (a) adding, editing, or deleting items in a ListView and (b) using a CursorAdapter, I need to update my cursor object before calling notifyDataSetChanged. I created this method, which I call from my fragment’s onResume method:

Android: How to look up a widget (defined in XML layout file) by its id

Android FAQ: How do I look up (find) a widget in my Java code that I’ve defined in an XML layout file?

Solution: When you define your Android widgets in XML and then need to find a widget by its id, the method you need is named findViewById.

For example, you’ll use code like this to look up a widget by its id and create it in your Java code: