Update android_studio from 3.5.3.0 to 4.1.2.0 (#5348)

* Update android_studio from 3.5.3.0 to 4.1.2.0

* Add self.remove section

* Prompt to delete config dirs

packages/android_studio.rb

@@ -3,18 +3,18 @@ require 'package'
 class Android_studio < Package
   description 'Android Studio is the official IDE for Android development.'
   homepage 'https://developer.android.com/studio'
-  version '3.5.3.0'
+  version '4.1.2.0'
   compatibility 'x86_64'
   case ARCH
   when 'x86_64'
-    source_url 'https://dl.google.com/dl/android/studio/ide-zips/3.5.3.0/android-studio-ide-191.6010548-linux.tar.gz'
-    source_sha256 'af630d40f276b0d169c6ac8c7663a989f562b0ac48a1d3f0d720f5b6472355db'
+    source_url 'https://dl.google.com/dl/android/studio/ide-zips/4.1.2.0/android-studio-ide-201.7042882-linux.tar.gz'
+    source_sha256 '89f7c3a03ed928edeb7bbb1971284bcb72891a77b4f363557a7ad4ed37652bb9'
     depends_on 'jdk8'
     depends_on 'xdg_base'
     depends_on 'sommelier'
   end
 
-  def self.preinstall
+  def self.preflight
     free_space = `echo $(($(stat -f --format="%a*%S" .)))`.chomp.to_i
     abort 'Not enough free disk space.  You need at least 6 GB to install.'.lightred if free_space < 6442450944
   end
@@ -26,11 +26,11 @@ class Android_studio < Package
     FileUtils.cd(CREW_DEST_PREFIX + '/bin') do
       FileUtils.ln_s(CREW_PREFIX + '/share/android-studio/bin/studio.sh', 'studio')
     end
-    FileUtils.mkdir_p(CREW_DEST_PREFIX + '/.config/.AndroidStudio3.5')
+    FileUtils.mkdir_p(CREW_DEST_PREFIX + '/.config/.AndroidStudio4.1')
     FileUtils.mkdir_p(CREW_DEST_PREFIX + '/.config/Android')
     FileUtils.mkdir_p(CREW_DEST_HOME)
     FileUtils.cd(CREW_DEST_HOME) do
-      FileUtils.ln_sf(CREW_PREFIX + '/.config/.AndroidStudio3.5/', '.AndroidStudio3.5')
+      FileUtils.ln_sf(CREW_PREFIX + '/.config/.AndroidStudio4.1/', '.AndroidStudio4.1')
       FileUtils.ln_sf(CREW_PREFIX + '/.config/Android/', 'Android')
     end
   end
@@ -39,11 +39,22 @@ class Android_studio < Package
     puts
     puts 'To start using Android Studio, type `studio`.'.lightblue
     puts
-    puts 'To completely remove Android Studio, including the'.lightblue
-    puts 'settings, SDK and tools, execute the following:'.lightblue
-    puts 'crew remove android_studio'.lightblue
-    puts "rm -rf #{CREW_PREFIX}/.config/Android".lightblue
-    puts "rm -rf #{CREW_PREFIX}/.config/.AndroidStudio3.5".lightblue
-    puts
+  end
+
+  def self.remove
+    config_dirs = ["#{CREW_PREFIX}/.config/Android", "#{CREW_PREFIX}/.config/.AndroidStudio4.1"]
+    config_dirs.each { |config_dir|
+      if Dir.exists? config_dir
+        puts
+        print "Would you like to remove #{config_dir}? [y/N] "
+        case STDIN.getc
+        when "y", "Y"
+          FileUtils.rm_rf config_dir
+          puts "#{config_dir} removed.".lightred
+        else
+          puts "#{config_dir} saved.".lightgreen
+        end
+      end
+    }
   end
 end