ci: check android code formatting

Signed-off-by: Michael Nahkies <[email protected]>

Author: mnahkies

.github/workflows/android.yml

@@ -35,3 +35,6 @@ jobs:
 
       - name: Run tests
         run: make test
+
+      - name: Run lint
+        run: make lint-ci

Makefile

@@ -316,6 +316,14 @@ checkandroidsdk: ## Check that Android SDK is installed
 test: gradle-dependencies ## Run the Android tests
 	(cd android && ./gradlew test)
 
+.PHONY: lint
+lint: gradle-dependencies ## Format the Android code
+	(cd android && ./gradlew ktfmtFormat)
+
+.PHONY: lint-ci
+lint-ci: gradle-dependencies ## Check the Android code is formatted
+	(cd android && ./gradlew ktfmtCheck)
+
 .PHONY: emulator
 emulator: ## Start an android emulator instance
 	@echo "Checking installed SDK packages..."

README.md

@@ -58,6 +58,9 @@ shell.
 The ktmft plugin on the default setting should be used to autoformat all Java, Kotlin
 and XML files in Android Studio.  Enable "Format on Save".
 
+This is checked in CI using `make lint-ci`, and you can also run reformat the files locally
+using: `make lint`
+
 ### Docker
 
 If you wish to avoid installing software on your host system, a Docker based development strategy is available, you can build and start a shell with: