Class: EmulatorRecorder

Inherits:
Object
  • Object
show all
Defined in:
lib/capa/emulator_recorder.rb

Instance Method Summary collapse

Constructor Details

#initialize(filename: '') ⇒ EmulatorRecorder

Returns a new instance of EmulatorRecorder.



5
6
7
8
 
# File 'lib/capa/emulator_recorder.rb', line 5

def initialize(filename: '')
  abort('Please provide a name for the video') if filename.blank?
  @filename = filename
end

Instance Method Details

#pull_video_from_emulator ⇒ Object 



33
34
35
36
 
# File 'lib/capa/emulator_recorder.rb', line 33

def pull_video_from_emulator
  # We can specify the device, in case there is more than one connected: -s emulator-5554
  puts `adb pull #{emulator_video_path}`
end

#record ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/capa/emulator_recorder.rb', line 10

def record
  abort("You need exactly one emulator or device connected") unless can_record?
  
  Signal.trap("SIGINT") { raise Capa::UserAbort }
  Signal.trap("SIGTSTP") { raise Capa::UserAbort }

  Thread.new do
    # Might want to add '--size 720x1280' flag. That's the maximum permitted size for video recordings
    # We can specify the device, in case there is more than one connected: -s emulator-5554
    message = `adb shell screenrecord --verbose #{emulator_video_path}`
    
    abort("Maximum permitted resolution is 720x1280. Minimum Android version is Marshmallow.\n"\
      "Please choose a different device.\n"\
      "Tip: Galaxy Nexus works great!") if /err=-38/ =~ message
  end

  puts 'Capturing video... Press ENTER to save'
  p = gets.chomp
  `adb shell killall -SIGINT screenrecord`
  sleep 0.5
  pull_video_from_emulator
end