Automatic installation of multiple apk files.

Rakefile

def config
  # in this Rakefile we can allow that
  $config ||= Hash.new
end

# ADB command to be invoked when installing *.apk
config['adb']     = 'adb'
# Version 
config['version'] = '1.0'

# allows printing/logging as the task is running
STDOUT.sync = true

task :default => [ :all ]

desc 'Install all available apks'
task :install => [ :info ] do
  # Iterate over all the apks files in the 
  # next directory level.
  Dir['**/*.apk'].each do |apk|
    begin
      adb '-e', 'install', '-r', "#{apk}"
      print 'I.'
    rescue
      puts "Unable to install #{apk}" 
    end
  end
end

desc 'Run the ADB shell'
task :shell => [ :info ] do
  adb 'shell'
end

desc 'Uninstall all available apks'
task :trash => [ :info ] do
  Dir['**/*.apk'].each do |apk|
  begin
    adb 'shell', 'rm', "#{apk}"
    print 'U.'
  rescue 
    puts "Unable to uninstall #{apk}"
  end
  
  end
end

desc 'Print configuration'
task :info do
  puts "APK Installer Configuration: #{config.inspect}"
  puts "APK Installer Version: #{config['version']}" 
end

# adb command
def adb(*args)
  raise unless config['adb']
  invoke(config['adb'], args)
end

# Invoke the actual Android's command
def invoke(command, *arguments)
  args    = arguments.flatten.map {|arg| "'#{arg}'"}.join(' ')
  system  = "#{command} #{args}"  
end