Android Basics

There are at least 24,000 different Android devices, and they all have varying hardware components. This is why many developers publish several unique variants of their apps, which, among other things, helps accommodate all of the different display sizes and resolutions on Android phones and tablets.

Since Android is an open source operating system, that means anyone with a little know-how can download, view, and even alter its underlying code base. Manufacturers do it all the time, which is how we end up with skins like TouchWiz and Sense. But when Android's awesome third-party development community gets their hands on this code, we end up with custom ROMs like LineageOS and MIUI.

Android 6.0 Marshmallow added a new permissions system that can make your digital life much more secure. Unlike previous versions, apps now have to ask for your consent before they can access certain data, which puts you firmly in the driver's seat.

Starting with version 6.0 Marshmallow, Android now supports fingerprint scanners natively. This change has effectively opened the floodgates, and now almost every flagship Android device includes a fingerprint scanner out of the box.

If you ever need help troubleshooting an issue that you're having with your Android device, one of the most useful tools you have available to you is the screenshot. Essentially, this is an exact copy of everything that is showing on your screen at any point in time, which you could use to capture the issue you're having, then share the screenshot with your tech support.

The first time a friend or family member asks if they can borrow your phone or tablet, you probably just hand it over without a second thought. But the second, third, and fourth times? Now it's starting to become a habit, and something probably needs to be done about it.

Your average Android phone or tablet comes with quite a few apps already installed—even before you turn the device on for the first time. These pre-installed apps are certainly helpful when it comes to getting your feet wet with Android, but in many cases, they're not always the best apps available for accomplishing the tasks that they perform. Additionally, many third-party apps can add lots of cool functionality to your device, so you might say that sticking with only the pre-installed apps...

One of the first orders of business after purchasing a new smartphone is to load up your shiny new toy with phone numbers, email addresses, and general contact information for all the important people in your life.