import os import os.path import subprocess import sys ( script, adb, build_dir, phony, apk_name, ) = sys.argv apk_path = os.path.join(build_dir, apk_name) if subprocess.run([ adb, 'shell', 'am', 'start', '--activity-clear-top', '-n', 'uk.co.powdertoy.tpt/.PowderActivity', ]).returncode: sys.exit(1)