Sample Activity for a Ruboto Article

quick_start_activity.rb

require 'ruboto/activity'
require 'ruboto/widget'
require 'ruboto/util/toast'

require 'socket'

ruboto_import_widgets :Button, :LinearLayout, :EditText

$activity.start_ruboto_activity "$sample_activity" do
  setTitle 'Funky TestApp'

  def on_create(bundle)
    self.content_view =
      linear_layout(:orientation => :vertical) do
        @host = edit_text(:single_line => true, :hint => "Hostname[:port]",
              :layout => {:width= => :fill_parent, :height= => :wrap_content, :weight= => 1.0})
        @message = edit_text(:single_line => true, :hint => "Message",
              :layout => {:width= => :fill_parent, :height= => :wrap_content, :weight= => 1.0})
        button :text => 'Send message!', :width => :wrap_content, :on_click_listener => @handle_click
      end
  end

  @handle_click = proc do |view|
    begin
      host, port = @host.getText.to_s.split(':')
      @sock = TCPSocket.open(host, port || 1234) if !@sock || @sock.closed?
      @sock.puts @message.getText.to_s
    rescue
      toast "#{$!}"
      @sock.close rescue nil
    end
  end
end