This is a minimalist Hello World example that uses only the most basic Android tools.
This example assumes Linux. You may have to adjust the syntax for your own platform.
After unpacking the SDK release:
Don't use `android update sdk --no-ui` as instructed in the bundled Readme.txt;
it downloads some 30 GB of unnecessary files.
Instead use the interactive SDK manager `android sdk`
to get the recommended minimum of packages.
* JDK/bin
* SDK/platform-tools
* SDK/tools
* SDK/build-tools/LATEST *(as installed in step 1)*
Use the interactive AVD Manager (`android avd`).
You might have to fiddle a bit and search for advice;
the [on-site instructions][createAVD] aren't always helpful.
(You can also use your own device)
emulator -avd DEVICE
Leave it running while you code the app.