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Latest News
Ubuntu Now Running on Apple M1 Silicon
Security company Corellium has announced that it has successfully ported Ubuntu to Apple Mac devices containing Apple’s M1 processor. This is a native port with the Ubuntu operating system …
Raspberry Pi Pico Launched and Priced at $4
Raspberry Pi has just launched the new Pico microcontroller board. The board includes 264KB of on-chip SRAM, 2MB of on-board QSPI flash and a single USB 1.1 controller and port. The board also …
Google Has Deprecated the IntentService Class
As of Android API 30 (otherwise known as Android 11) the IntentService class has been deprecated. Provided since Android API 3, the purpose of IntentService was to allow asynchronous tasks to be …
Android Studio 4.2 Beta 3 Released
Google has now released Android Studio 4.2 Beta 3 for early access testing and is available via the Beta channel. If your copy of Android Studio is already subscribed to the Beta channel, it can be …
Red Hat Announces There will be No CentOS 9
Red Hat has announced that the end of life date for CentOS 8 will be brought forward to December 31, 2021 after which there will be no further updates. They have also announced that when RHEL 9, …
Google Deprecating Android AsyncTask
If you are writing multi-threaded asynchronous code using Android Studio you can’t help but have noticed that any reference to AsyncTask appears with a strikethrough. This, as we all know, is …
Software Development
A Basic Overview of Java Threads, Handlers and Executors
The next chapter will be the first in a series of chapters intended to introduce the use of Android Services to perform application tasks in the background. It is impossible, however, to understand …
An Android MotionLayout KeyCycle Tutorial
The previous chapters introduced and demonstrated the concepts of integrating animation into Android app user interfaces using the MotionLayout container combined with the features of the Android …
An Android MotionLayout Editor Tutorial
Now that the basics of MotionLayout have been covered, this chapter will provide an opportunity to try out MotionLayout in an example project. In addition to continuing to explore the main features …
An Introduction to Android MotionLayout
The MotionLayout class provides an easy way to add animation effects to the views of a user interface layout. This chapter will begin by providing an overview of MotionLayout and introduce the …
Operating Systems
Ubuntu 20.04 System and Process Monitoring
An important part of running and administering an Ubuntu system involves monitoring the overall system health in terms of memory, swap, storage and processor usage. This includes knowing how to …
Adding and Managing Ubuntu 20.04 Swap Space
An important part of maintaining the performance of an Ubuntu system involves ensuring that adequate swap space is available comparable to the memory demands placed on the system. The goal of this …
Adding a New Disk to an Ubuntu 20.04 Volume Group and Logical Volume
In the previous chapter we looked at adding a new disk drive to an Ubuntu system, creating a partition and file system and then mounting that file system so that the disk can be accessed. An …
Adding a New Disk Drive to an Ubuntu 20.04 System
One of the first problems encountered by users and system administrators these days is that systems tend to run out of disk space to store data. Fortunately disk space is now one of the cheapest IT …
