GitHub workflow: add Android compile

Author: kaloudis

.github/workflows/main.yml

@@ -53,6 +53,15 @@ jobs:
       - name: go compile
         run: make build
 
+      - name: gomobile install
+        run: go install golang.org/x/mobile/cmd/gomobile@latest
+
+      - name: gomobile init
+        run: gomobile init
+
+      - name: android compile
+        run: make android
+
       - name: wasm compile
         run: make wasm
 

Makefile

@@ -86,7 +86,7 @@ macos:
 android:
 	@$(call print, "Building Android library ($(ANDROID_BUILD)).")
 	mkdir -p $(ANDROID_BUILD_DIR)
-	GOOS=js $(GOMOBILE_BIN) bind -target=android -tags="mobile $(DEV_TAGS) $(RPC_TAGS)" $(LDFLAGS_MOBILE) -v -o $(ANDROID_BUILD) $(MOBILE_PKG)
+	GOOS=js $(GOMOBILE_BIN) bind -target=android -androidapi=21 -tags="mobile $(DEV_TAGS) $(RPC_TAGS)" $(LDFLAGS_MOBILE) -v -o $(ANDROID_BUILD) $(MOBILE_PKG)
 
 mobile: ios android