Module: Ruboto::Util::Emulator

Defined in:
lib/ruboto/util/emulator.rb

Constant Summary collapse

ON_WINDOWS = 
(RbConfig::CONFIG['host_os'] =~ /mswin|mingw/i)
ON_MAC_OS_X = 
RbConfig::CONFIG['host_os'] =~ /^darwin/
ON_LINUX = 
RbConfig::CONFIG['host_os'] =~ /linux/
ON_TRAVIS = 
ENV['TRAVIS'] == 'true'

Instance Method Summary collapse

Instance Method Details

#add_property(new_avd_config, property_name, value) ⇒ Object 



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# File 'lib/ruboto/util/emulator.rb', line 271

def add_property(new_avd_config, property_name, value)
  pattern = /^#{property_name}=(.*)$/
  property = "#{property_name}=#{value}"
  if new_avd_config =~ pattern
    if $1 != value
      new_avd_config.gsub! pattern, property
      puts "Changed property: #{property}"
    end
  else
    new_avd_config << "#{property}\n"
    puts "Added property: #{property}"
  end
end

#create_avd(avd_home, avd_name, heap_size, sdk_level) ⇒ Object 



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# File 'lib/ruboto/util/emulator.rb', line 194

def create_avd(avd_home, avd_name, heap_size, sdk_level)
  puts "Creating AVD #{avd_name}"

  target = `android list target`.split(/----------\n/).
      find { |l| l =~ /android-#{sdk_level}/ }

  if target.nil?
    puts "Target android-#{sdk_level} not found.  You should run"
    puts "\n    ruboto setup -y -t #{sdk_level}\n\nto install it."
    exit 3
  end

  abis = target.slice(/(?<=ABIs : ).*/).split(', ')
  has_x86 = abis.find { |a| a =~ /x86/ }
  has_x86_64 = has_x86 && abis.find { |a| a =~ /x86_64/ }

  # FIXME(uwe): Remove this check when HAXM is available on travis
  # FIXME(uwe): or the x86(_64) emulators don't require HAXM anymore
  # Newer Android SDK tools (V24) require HAXM to run x86 emulators.
  # HAXM is not available on travis-ci.
  if ON_TRAVIS && sdk_level.to_i >= 22
    abi_opt = '--abi armeabi-v7a'
    # EMXIF
  elsif has_x86
    if has_x86_64
      abi_opt = '--abi x86_64'
    else
      abi_opt = '--abi x86'
    end
  else
    abi_opt = '--abi armeabi-v7a'
  end

  skin = 'HVGA'
  # skin_filename = "#{Ruboto::SdkLocations::ANDROID_HOME}/platforms/android-#{sdk_level}/skins/#{skin}/hardware.ini"
  # if File.exists?(skin_filename)
  #   old_skin_config = File.read(skin_filename)
  #   new_skin_config = old_skin_config.gsub(/vm.heapSize=([0-9]*)/) { |m| $1.to_i < heap_size ? "vm.heapSize=#{heap_size}" : m }
  #   add_property(new_skin_config, 'hw.mainKeys', 'no')
  #   add_property(new_skin_config, 'hw.lcd.density', '160')
  #   File.write(skin_filename, new_skin_config) if new_skin_config != old_skin_config
  # end

  puts `echo no | android create avd -a -n #{avd_name} -t android-#{sdk_level} #{abi_opt} -c 64M -s #{skin} -d "Nexus One"`

  if $? != 0
    puts 'Failed to create AVD.'
    exit 3
  end
  patch_config_ini(avd_home, heap_size)

  # hw_config_file_name = "#{avd_home}/hardware-qemu.ini"
  # if File.exists?(hw_config_file_name)
  #   old_hw_config = File.read(hw_config_file_name)
  #   new_hw_config = old_hw_config.gsub(/vm.heapSize=([0-9]*)/) { |m| $1.to_i < heap_size ? "vm.heapSize=#{heap_size}" : m }
  #   File.write(hw_config_file_name, new_hw_config) if new_hw_config != old_hw_config
  # end
end

#device_ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruboto/util/emulator.rb', line 267

def device_ready?
  `adb get-state`.gsub(/^WARNING:.*$/, '').chomp == 'device'
end

#patch_config_ini(avd_home, heap_size) ⇒ Object 



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# File 'lib/ruboto/util/emulator.rb', line 253

def patch_config_ini(avd_home, heap_size)
  avd_config_file_name = "#{avd_home}/config.ini"
  old_avd_config = File.read(avd_config_file_name)
  new_avd_config = old_avd_config.dup
  new_avd_config.gsub!(/vm.heapSize=([0-9]*)/) { |m| $1.to_i < heap_size ? "vm.heapSize=#{heap_size}" : m }
  # add_property(new_avd_config, 'hw.device.manufacturer', 'Generic')
  # add_property(new_avd_config, 'hw.device.name', '3.2" HVGA slider (ADP1)')
  # add_property(new_avd_config, 'hw.keyboard.lid', 'no')
  add_property(new_avd_config, 'hw.lcd.density', '160')
  add_property(new_avd_config, 'hw.mainKeys', 'no')
  # add_property(new_avd_config, 'hw.sdCard', 'yes')
  File.write(avd_config_file_name, new_avd_config) if new_avd_config != old_avd_config
end

#sdk_level_name(sdk_level) ⇒ Object 



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# File 'lib/ruboto/util/emulator.rb', line 13

def sdk_level_name(sdk_level)
  Ruboto::SdkVersions::API_LEVEL_TO_VERSION[sdk_level.to_i] || sdk_level
end

#start_emulator(sdk_level, no_snapshot) ⇒ Object 



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# File 'lib/ruboto/util/emulator.rb', line 17

def start_emulator(sdk_level, no_snapshot)
  sdk_level = sdk_level.gsub(/^android-/, '')
  STDOUT.sync = true
  if RbConfig::CONFIG['host_cpu'] == 'x86_64'
    if ON_MAC_OS_X
      emulator_cmd = '-m "emulator64-(arm|x86)"'
    elsif ON_LINUX
      emulator_cmd = '-r "emulator64-(arm|x86)"'
    else
      emulator_cmd = 'emulator64-arm'
    end
  else
    emulator_cmd = 'emulator-arm'
  end

  avd_name = "Android_#{sdk_level_name(sdk_level)}"
  new_snapshot = false

  if `adb devices` =~ /emulator-5554/
    t = Net::Telnet.new('Host' => 'localhost', 'Port' => 5554, 'Prompt' => /^OK\n|^KO:/)
    t.waitfor(/Android Console:/)
    output = ''
    t.cmd('avd name') { |c| output << c }
    t.close
    if output =~ /(.*)\nOK\n/
      running_avd_name = $1
      if running_avd_name == avd_name
        puts "Emulator #{avd_name} is already running."
        return
      else
        puts "Emulator #{running_avd_name} is running."
      end
    else
      puts "Unexpected response from emulator: #{output.inspect}"
      puts 'Assuming wrong emulator is running.'
    end
  else
    puts 'No emulator is running.'
  end

  # FIXME(uwe):  Change use of "killall" to use the Ruby Process API
  loop do
    emulator_opts = '-partition-size 256'
    emulator_opts << ' -noskin'
    emulator_opts << ' -no-snapshot-load' if no_snapshot
    if !ON_MAC_OS_X && !ON_WINDOWS && ENV['DISPLAY'].nil?
      emulator_opts << ' -no-window -no-audio'
    end

    `killall -0 #{emulator_cmd} 2> /dev/null`
    if $? == 0
      `killall #{emulator_cmd}`
      10.times do |i|
        `killall -0 #{emulator_cmd} 2> /dev/null`
        if $? != 0
          break
        end
        if i == 3
          print 'Waiting for emulator to die: ...'
        elsif i > 3
          print '.'
        end
        sleep 1
      end
      puts
      `killall -0 #{emulator_cmd} 2> /dev/null`
      if $? == 0
        puts 'Emulator still running.'
        `killall -9 #{emulator_cmd}`
        sleep 1
      end
    end

    avd_home = "#{ENV['HOME'].gsub('\\', '/')}/.android/avd/#{avd_name}.avd"
    manifest_file = 'AndroidManifest.xml'
    large_heap = (!File.exists?(manifest_file)) || (File.read(manifest_file) =~ /largeHeap/)
    heap_size = large_heap ? 256 : 48

    unless File.exists? avd_home
      create_avd(avd_home, avd_name, heap_size, sdk_level)
      new_snapshot = true
    else
      # FIXME(uwe):  Patch old emulator AVDs.  Remove December 2016.
      patch_config_ini(avd_home, heap_size)
      # EMXIF
    end

    puts "Start emulator #{avd_name}#{' without snapshot' if no_snapshot}"
    system "emulator -avd #{avd_name} #{emulator_opts} #{'&' unless ON_WINDOWS}"
    return if ON_WINDOWS

    3.times do |i|
      sleep 1
      `killall -0 #{emulator_cmd} 2> /dev/null`
      if $? == 0
        break
      end
      if i == 3
        print 'Waiting for emulator: ...'
      elsif i > 3
        print '.'
      end
    end
    puts
    `killall -0 #{emulator_cmd} 2> /dev/null`
    if $? != 0
      puts 'Unable to start the emulator.  Retrying without loading snapshot.'
      system "emulator -no-snapshot-load -avd #{avd_name} #{emulator_opts} #{'&' unless ON_WINDOWS}"
      10.times do |i|
        `killall -0 #{emulator_cmd} 2> /dev/null`
        if $? == 0
          new_snapshot = true
          break
        end
        if i == 3
          print 'Waiting for emulator: ...'
        elsif i > 3
          print '.'
        end
        sleep 1
      end
    end

    `killall -0 #{emulator_cmd} 2> /dev/null`
    if $? == 0
      print 'Emulator started: '
      60.times do
        break if device_ready?
        print '.'
        sleep 1
      end
      puts
      break if device_ready?
      puts 'Emulator started, but failed to respond.'
      unless no_snapshot
        puts 'Retrying without loading snapshot.'
        no_snapshot = true
      end
    else
      puts 'Unable to start the emulator.'
      exit 1 if ON_TRAVIS
    end
  end

  if new_snapshot
    puts 'Allow the emulator to calm down a bit.'
    60.times do
      break if `adb shell ps` =~ /android.process.acore/
      print '.'
      sleep 1
    end
    puts
  end

  system <<EOF
(
  set +e
  for i in {1..10} ; do
    sleep 6
    adb shell input keyevent 82 >/dev/null 2>&1
    if [ "$?" = "0" ] ; then
set -e
adb shell input keyevent 82 >/dev/null 2>&1
adb shell input keyevent 4 >/dev/null 2>&1
exit 0
    fi
  done
  echo "Failed to unlock screen"
  set -e
  exit 1
) &
EOF
  system 'adb logcat > adb_logcat.log &'

  puts "Emulator #{avd_name} started OK."
end