cordova-android/droidgap

#!/usr/bin/env ruby

class Build
  attr_reader :android_sdk_path, :name, :pkg, :www, :path
  
  def initialize(*a)
    @android_sdk_path, @name, @pkg, @www, @path = a
  end
  
  # runs the build script
  def run
    build_jar
    create_android
    generate_manifest
    copy_libs
    add_name_to_strings
    write_java
  end 
  
  # removes local.properties and recreates based on android_sdk_path 
  # then generates framework/phonegap.jar
  def build_jar
    `rm framework/local.properties` if File.exists? 'framework/local.properties'
    `rm framework/phonegap.jar`     if File.exists? 'framework/phonegap.jar'
    `rm framework/phonegap.js`      if File.exists? 'framework/phonegap.js'
    `ECHO 'sdk.dir=#{ @android_sdk_path }' > framework/local.properties`
    `cd framework; ant jar`
  end 

  # runs android create project
  # TODO need to allow more flexible SDK targetting
  # TODO validate Android SDK
  def create_android
    `#{ @android_sdk_path }/tools/android create project -t 5 -k #{ @pkg } -a #{ @name } -n #{ @name } -p #{ @path }`
    `mkdir -p #{ @path }/assets/www`  
    `cp -R #{ @www } #{ @path }/assets/www`
  end

  # creates an AndroidManifest.xml for the project
  def generate_manifest
    manifest = ""
    open('framework/AndroidManifest.xml', 'r') do |old| 
      manifest = old.read
      manifest.gsub! 'android:versionCode="5"', 'android:versionCode="1"'
      manifest.gsub! 'package="com.phonegap"', "package=\"#{ @pkg }\""
      manifest.gsub! 'android:name=".StandAlone"', "android:name=\".#{ @name }\""
      manifest.gsub! 'android:minSdkVersion="5"', 'android:minSdkVersion="3"'
    end
    open("#{ @path }/AndroidManifest.xml", 'w') { |x| x.puts manifest }
  end

  # copies stuff from framework into the project
  # TODO need to allow for www import inc icon
  def copy_libs
    `cp framework/phonegap.jar #{ @path }/libs`
    `cp framework/res/values/strings.xml #{ @path }/res/values/strings.xml`
    `cp framework/res/layout/main.xml #{ @path }/res/layout/main.xml`
    `cp framework/res/layout/preview.xml #{ @path }/res/layout/preview.xml`
    %w(drawable-hdpi drawable-ldpi drawable-mdpi).each do |e|
      `cp framework/res/drawable/icon.png #{ @path }/res/#{ e }/icon.png`
    end 
    `cp -R example #{ @path }/assets`
    `mv #{ @path }/assets/example #{ @path }/assets/www`
  end
  
  # puts app name in strings
  def add_name_to_strings
    x = "<?xml version=\"1.0\" encoding=\"utf-8\"?>
    <resources>
      <string name=\"app_name\">#{ @name }</string>
      <string name=\"go\">Snap</string>
    </resources>
    "
    open("#{ @path }/res/values/strings.xml", 'w') do |f| 
      f.puts x.gsub('    ','')
    end 
  end 

  # this is so fucking unholy yet oddly beautiful
  # not sure if I should thank Ruby or apologize for this abusive use of string interpolation
  def write_java
    j = "
    package #{ @pkg };

    import android.app.Activity;
    import android.os.Bundle;
    import com.phonegap.*;

    public class #{ @name } extends DroidGap
    {
        @Override
        public void onCreate(Bundle savedInstanceState)
        {
            super.onCreate(savedInstanceState);
            super.loadUrl(\"file:///android_asset/www/index.html\");
        }
    }
    "
    dir = "#{ @path }/src/#{ @pkg.gsub '.', '/' }";
    cls = "#{ @name }.java"
    pth = File.join(dir,cls)
    open(pth,'w') { |f| f.puts j.gsub('    ','') }
  end
  #
end


if ARGV.length == 5
  Build.new(*ARGV).run
else
  puts <<-EOF
  
  DroidGap: PhoneGap/Android Project Generator
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Creates a fresh app for hybrid mobile web hacking. Delicious robot!
  
  Usage:
  
    ./droidgap <android_sdk_path> <name> <package_name> <www> <path>
  
  Params:
  
  android_sdk_path ... The path to your Android SDK install.
  name ............... The name of your application.
  package_name ....... The name of your package (For example: com.nitobi.demo)
  www ................ The path to your www folder. (Wherein your HTML, CSS and JS app is.)
  path ............... The path to generate the application.
  
  EOF
end