b-mobile や IIJmio などの MVNO SIM で Android を使用する際にアンテナ表示がされない問題に対処するためのパッチを自動適用するスクリプト。 パッチの内容は http://hyzero3.blogspot.jp/2012/12/galaxy-noteandroid421romjellybeer-v351.html このツールを使わなくても、簡単にできる方法あり→ http://bl.oov.ch/2013/04/android-docomo-mvno-sim.html

patch_for_mvno_sim.rb

#!/usr/local/bin/ruby
require 'fileutils'

system 'adb pull /system/framework/telephony-common.jar' or raise 'adb pull'
FileUtils.cp 'telephony-common.jar', 'telephony-common.jar.orig', :preserve=>true
system 'unzip telephony-common.jar classes.dex' or raise 'unzip'
system 'java -jar baksmali-1.4.2.jar classes.dex' or raise 'java baksmali'
file = 'out/com/android/internal/telephony/gsm/GsmServiceStateTracker.smali'
src = <<EOS
    :pswitch_data_20
    .packed-switch 0x0
        :pswitch_1b
        :pswitch_1c
        :pswitch_1b
        :pswitch_1b
        :pswitch_1b
        :pswitch_1e
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_1b
        :pswitch_5
        :pswitch_1b
        :pswitch_1b
        :pswitch_1b
    .end packed-switch
EOS
dest = <<EOS
    :pswitch_data_20
    .packed-switch 0x0
        :pswitch_1b
        :pswitch_1c
        :pswitch_1b
        :pswitch_1c
        :pswitch_1b
        :pswitch_1e
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_1b
        :pswitch_5
        :pswitch_1b
        :pswitch_1c
        :pswitch_1b
    .end packed-switch
EOS
content = File.read(file)
content.gsub!(/#{Regexp.escape src}/, dest)
File.write(file, content)

system 'java -jar smali-1.4.2.jar -o classes.dex out' or raise 'java smali'
system 'zip telephony-common.jar classes.dex' or raise 'zip'
system 'adb push telephony-common.jar /system/framework/telephony-common.jar' or raise 'adb push'