hello android tutorial in mirah/pindah

gistfile1.rb

package com.example.android.hello_world;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

class HelloWorld < Activity
  def onCreate(state:Bundle)
    super state
    tv = TextView.new(self)
    tv.setText("Hello, World!")
    setContentView(tv)
  end
end