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Follow instructions for setting up web-ext, Android Studio SDK, and adb.
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Get your device's ID:
adb devices
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Run on the device (replace
XXX
with the device ID):
(Firefox Nightly)
web-ext run -t firefox-android --adb-device XXX --firefox-apk org.mozilla.fenix
(Firefox Beta)
web-ext run -t firefox-android --adb-device XXX --firefox-apk org.mozilla.firefox_beta
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Build with
web-ext build
. This generates a .zip file. -
Sign with
web-ext sign
. See docs.