Installatron: bash script for installing an .apk on all connected devices.

installatron.sh

#!/bin/bash

# Installatron: installs an Android APK-file provided onto all attached devices.
# IMPORTANT: This script assumes that `adb` and `aapt` are located on PATH.

# Require at least one argument
if [ -z "$1" ]
then
  echo "usage: $(basename $0) [-u] apk_file"
  exit 1
fi

# Parse arguments
if [ "$1" == '-u' ] || [ "$1" == '--uninstall' ]
then
  APK="$2"
  UNINSTALL=true
else
  APK="$1"
fi
APK_NAME=$(basename "$APK")

# Fetch package name from .apk, error on failure.
PACKAGE=`aapt dump badging "$APK" | grep package | awk '{print $2}' | sed s/name=//g | sed s/\'//g`
if [ -z $PACKAGE ]
then
  echo "$APK_NAME doesn't seem to be an Android binary."
  exit 1
fi

# Grab device serial numbers
DEVICE_SERIALS=$(adb devices | tail -n +2 | cut -sf 1)

# Uninstall/install on all devices
INSTALL_COUNT=0
for SERIAL in $DEVICE_SERIALS
do
  # Uninstall existing app, if asked
  if [ "$UNINSTALL" = true ]
  then
    adb -s $SERIAL uninstall $PACKAGE > /dev/null
  fi

  # Install APK
  adb -s $SERIAL install "$APK" > /dev/null
  if [ $? -eq 0 ]
  then
    ((INSTALL_COUNT++))
  fi
done

echo "$APK_NAME ($PACKAGE) installed on $INSTALL_COUNT device(s)."