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Does anybody know why the blank activity in the latest version of Android Studio now includes two .xml files for each Activity? My instinct is to use Empty Activity and continue doing things "the old way" but I'm wondering what Android's "bigger picture" is with these changes? Is it wiser to develop any future applications using this new Blank Activity format? Thank you.
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Blank Activity is the same as Empty Activity. 2.) Blank Activity is the simplest activity which you can create. Basic Activity is more advanced than Empty/Blank Activity because have toolbar and one button (FAB). Follow this answer to receive notifications.
Empty Activity is the same as Blank Activity. It will gives you . xml file that will be your layout where you put your Buttons or EditTexts and . java file where you will code your activity. But Basic Activity will gives you two .
What is empty process in android. It is a process with no running activities, services, or broadcast receivers (and where nothing presently is connected to one of the app's content providers, if any, though this is a fairly obscure case).
This also refers to the context of current Class. MainActivity is just a class name that extends Activity or Activity instance. MainActivity is class name and this is a keyword referring to particular context.
Does anybody know why the blank activity in the latest version of Android Studio now includes two .xml files for each Activity?
For Android Studio 1.5, content_main.xml contains the core UI of the activity. activity_main.xml wraps that in a bunch of other stuff (e.g., CoordinatorLayout) to demonstrate a couple of particular UI elements (e.g., FAB). activity_main uses <include> to incorporate content_main by reference.
These templates change occasionally, and so if you are reading this in the future, your edition of the templates may differ substantially (and please stop reading Stack Overflow answers from your flying car, as that's a safety hazard).
I'm wondering what Android's "bigger picture" is with these changes?
IMHO, you are seriously overstating the role of these templates. They are samples, nothing more.
Is it wiser to develop any future applications using this new Blank Activity format?
It is wiser to not pay all that much attention to the templates. They are samples, nothing more. Developers should know what they want to build and how they want to build it. If one of the templates is close to what is desired, use it. Otherwise, skip the new-activity wizard entirely and just add the new activity yourself.
In cases where the new-activity logic is not directly avoidable (e.g., new-project wizard), either use "Empty Activity" (as it has the least stuff that you would need to delete) or find some other solution. For example, other than for experimenting with the new-project wizard itself, I never use it, and I make a few Android projects a week. Instead, I'll copy an existing project and adjust it to the new package name and stuff, then import it into Android Studio, as I find that less irritating than having to rip out template-generated gunk.
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If you choose Blank Activity then you will have the option of having the activity use a Fragment. Also, Android Studio will automatically create two layout files for the activity, three if you choose the Fragment option, and also a menu resource file.
If you choose Empty Activity then you get to choose whether or not you want Android Studio to generate a layout file for the activity. If you choose the layout file option Android Studio will create one layout file, as opposed to two layout files in case of Blank Activity, and no menu resource file. Also, the layout file is much simpler and does not contain things like: Coordinator Layout, Floating Action Button, etc., whereas the layout file for Blank Activity contains these items, assuming you are using the latest version of Android Studio.
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