Simple bash script to remove, build, install and launch your ionic app on all connected android devices (android simulators or actual devices).

run_ionic_app_on_all_connected_android_devices.sh

#!/bin/sh

#Your app id which can be found in your config.xml file (widget id)
app=com.ionicframework.myNewApp

pathToAPK=platforms/android/build/outputs/apk/android-debug.apk

echo "Running Ionic Build"
ionic build

echo "Started to loop over the connected android devices"
for SERIAL in $(adb devices | grep -v List | cut -f 1);
	do

		echo "**** Uninstalling the app from the phone ****"
		adb -s $SERIAL shell pm uninstall $app
		echo "***** Clearing any local data stored with this app on the phone *****"
		adb -s $SERIAL shell pm clear $app
		echo "***** Installing the app on the phone *****"
		adb -s $SERIAL install -r platforms/android/build/outputs/apk/android-debug.apk
		echo "***** Launching the app on the phone *****"
		adb -s $SERIAL shell monkey -p $app -c android.intent.category.LAUNCHER 1
done