![]() ![]() Control + J = Quick documentation lookup.Control + Space = Basic code completion.Press Shift twice = Search everything (including code and menus).Command + B = Go to declaration (directly).Command + N = Generate code (getters, setters, constructors, hashCode/equals, toString, new file, new class).Option + Enter = read my brain aka Project quick fix (show intention actions and quick fixes).Here are my favorites that I use a lot - for Mac (Windows/Linux in the link above). I've used a handful of a potentially large set of shortcuts on offers see here for comprehensive listing Using Android Studio shortcuts for cleaning and generating code help reduce errors. Use Android Shortcuts - they're your friend This is always a good thing to do if there are spurious errors in a project you know is clean. If for some reason there are errors try a clean. The project should be opened and ready to run. ![]() Find the MyFirstApp directory and click Choose. Otherwise, click Open an existing Android Studio project at Welcome to Android Studio screen. In Android Studio, click File->Open if you have already opened a project.Unzip the MyFirstApp.zip and you have MyFirstApp directory/ project.Click on the MyFirstApp.zip file and download and save the file on your desktop or download folder.To open each of the demo projects we give out, you will need to do this: Open an existing Android project in Android Studio As a rule I will include all source code examples and projects used in course when I can. I recommend that you code this project up from the notes rather than just open the project in Android Studio and run it - but feel free to do that if you really want. Intents and starting another activity, namely, the DisplayMessageActivityÄownload the demo the MyFirstApp.zip app to go with these notes.Next, we consider a more complex with multiple UIs, activities and intents - it's called MyFirstApp and the code is linked in so you can download and run it. I know all just to print Hello World! There is a lot to take in regarding the Android program plumbing but an important separation principal presented in the single HelloWorld is the separation between UI design in XML and the program. Even though the HelloWorld program is trivial in introduces a wealth of new ideas - the framework, activities, manifest, intents, UI, resources such as layouts, strings, etc. ![]()
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