Switch to GameActivity and gradle build

Fixes: https://github.com/damus-io/notedeck/issues/189
Fixes: https://github.com/damus-io/notedeck/issues/190
Signed-off-by: William Casarin <jb55@jb55.com>

Makefile

@@ -1,6 +1,7 @@
+.DEFAULT_GOAL := check
+.PHONY: fake
 
-all:
-	cargo check
+ANDROID_DIR := crates/notedeck_chrome/android
 
 check:
 	cargo check
@@ -8,4 +9,13 @@ check:
 tags: fake
 	find . -type d -name target -prune -o -type f -name '*.rs' -print | xargs ctags
 
-.PHONY: fake
+jni: fake
+	cargo ndk --target arm64-v8a -o $(ANDROID_DIR)/app/src/main/jniLibs/ build --profile release
+
+apk: jni
+	cd $(ANDROID_DIR) && ./gradlew build
+
+android: jni
+	cd $(ANDROID_DIR) && ./gradlew installDebug
+	adb shell am start -n com.damus.notedeck/.MainActivity
+	adb logcat -v color -s notedeck RustStdoutStderr