fix: Apply rubocop corrections

Gemfile

@@ -4,3 +4,23 @@ source "https://rubygems.org"
 
 # Specify your gem's dependencies in android_apk.gemspec
 gemspec
+
+# General ruby development
+gem "rake", "~> 10.0"
+
+# Testing support
+gem "rspec", "~> 3.4"
+gem "simplecov"
+
+# Linting code and docs
+gem "rubocop"
+gem "yard"
+
+# Makes testing easy via `bundle exec guard`
+gem "guard", "~> 2.14"
+gem "guard-rspec", "~> 4.7"
+
+gem "irb"
+gem "pry"
+
+gem "mini_magick" # to compare extracted png files

android_apk.gemspec

@@ -22,24 +22,5 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "rubyzip", "~> 2.3.0"
 
-  # General ruby development
-  spec.add_development_dependency "rake", "~> 10.0"
-
-  # Testing support
-  spec.add_development_dependency "rspec", "~> 3.4"
-  spec.add_development_dependency "simplecov"
-
-  # Linting code and docs
-  spec.add_development_dependency "rubocop"
-  spec.add_development_dependency "yard"
-
-  # Makes testing easy via `bundle exec guard`
-  spec.add_development_dependency "guard", "~> 2.14"
-  spec.add_development_dependency "guard-rspec", "~> 4.7"
-
-  spec.add_development_dependency "irb"
-  spec.add_development_dependency "pry"
-
-  spec.add_development_dependency "mini_magick" # to compare extracted png files
   spec.metadata["rubygems_mfa_required"] = "true"
 end

lib/android_apk.rb

@@ -6,10 +6,10 @@
 require "tmpdir"
 require "zip"
 
-require_relative "./android_apk/app_icon"
-require_relative "./android_apk/error"
-require_relative "./android_apk/resource_finder"
-require_relative "./android_apk/xmltree"
+require_relative "android_apk/app_icon"
+require_relative "android_apk/error"
+require_relative "android_apk/resource_finder"
+require_relative "android_apk/xmltree"
 
 class AndroidApk
   FALLBACK_DPI = 65_534
@@ -348,7 +348,7 @@ def backward_compatible_adaptive_icon?
   def self._parse_values_workaround(str)
     return nil if str.nil?
 
-    str.scan(/^'(.+)'$/).map { |v| v[0].gsub(/\\'/, "'") }
+    str.scan(/^'(.+)'$/).map { |v| v[0].gsub("\\'", "'") }
   end
 
   # Parse values of aapt output
@@ -361,10 +361,10 @@ def self._parse_values(str)
     if str.index("='")
       # key-value hash
       vars = str.scan(/(\S+)='((?:\\'|[^'])*)'/).to_h
-      vars.each_value { |v| v.gsub(/\\'/, "'") }
+      vars.each_value { |v| v.gsub("\\'", "'") }
     else
       # values array
-      vars = str.scan(/'((?:\\'|[^'])*)'/).map { |v| v[0].gsub(/\\'/, "'") }
+      vars = str.scan(/'((?:\\'|[^'])*)'/).map { |v| v[0].gsub("\\'", "'") }
     end
     return vars
   end

lib/android_apk/xmltree.rb

@@ -20,7 +20,7 @@ def initialize(content:)
       @root_element = nil
 
       line_num = 1
-      content&.split(/\n/) do |line|
+      content&.split("\n") do |line|
         line.strip!
 
         if line.start_with?("E: ")