Module: Ruboto::Util::Emulator

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

Constant Summary collapse

ON_WINDOWS =
(RbConfig::CONFIG['host_os'] =~ /mswin|mingw/i)
API_LEVEL_TO_VERSION =
{
    7 => '2.1', 8 => '2.2', 10 => '2.3.3', 11 => '3.0', 12 => '3.1',
    13 => '3.2', 14 => '4.0', 15 => '4.0.3', 16 => '4.1.2', 17 => '4.2.2',
}

Instance Method Summary collapse

Instance Method Details

#sdk_level_name(sdk_level) ⇒ Object



13
14
15
# File 'lib/ruboto/util/emulator.rb', line 13

def sdk_level_name(sdk_level)
  API_LEVEL_TO_VERSION[sdk_level]
end

#start_emulator(sdk_level) ⇒ Object



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
# File 'lib/ruboto/util/emulator.rb', line 17

def start_emulator(sdk_level)
  sdk_level = sdk_level.gsub(/^android-/, '').to_i
  STDOUT.sync = true
  if RbConfig::CONFIG['host_cpu'] == 'x86_64'
    emulator_cmd = 'emulator64-arm'
  else
    emulator_cmd = 'emulator-arm'
  end

  emulator_opts = '-partition-size 256'
  if !ON_WINDOWS && ENV['DISPLAY'].nil?
    emulator_opts << ' -no-window -no-audio'
  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/)
    t.waitfor(/^OK\n/)
    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
      raise "Unexpected response from emulator: #{output.inspect}"
    end
  else
    puts 'No emulator is running.'
  end

  loop do
    `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

    if [17, 16, 15, 13, 11].include? sdk_level
      abi_opt = '--abi armeabi-v7a'
    elsif sdk_level == 10
      abi_opt = '--abi armeabi'
    end

    unless File.exists? "#{ENV['HOME']}/.android/avd/#{avd_name}.avd"
      puts "Creating AVD #{avd_name}"
      puts `echo n | android create avd -a -n #{avd_name} -t android-#{sdk_level} #{abi_opt} -c 64M -s HVGA`
      if $? != 0
        puts 'Failed to create AVD.'
        exit 3
      end
      avd_config_file_name = "#{ENV['HOME']}/.android/avd/#{avd_name}.avd/config.ini"
      old_avd_config = File.read(avd_config_file_name)
      heap_size = (File.read('AndroidManifest.xml') =~ /largeHeap/) ? 256 : 48
      new_avd_config = old_avd_config.gsub(/vm.heapSize=([0-9]*)/) { |m| p m; m.to_i < heap_size ? "vm.heapSize=#{heap_size}" : m }
      File.write(avd_config_file_name, new_avd_config) if new_avd_config != old_avd_config
      new_snapshot = true
    end

    puts 'Start emulator'
    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: '
      50.times do
        if `adb get-state`.chomp == 'device'
          break
        end
        print '.'
        sleep 1
      end
      puts
      if `adb get-state`.chomp == 'device'
        break
      end
    end
    puts 'Unable to start the emulator.'
  end

  if new_snapshot
    puts 'Allow the emulator to calm down a bit.'
    sleep 15
  end

  system <<EOF
(
  set +e
  for i in 1 2 3 4 5 6 7 8 9 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