HelloWorld on dalvik

gistfile1.scala

package com.hello

import java.lang.String
import android.net.Uri

import com.android.dx.dex.DexOptions
import com.android.dx.dex.file.DexFile
import dalvik.system.DexClassLoader
import java.io.{PrintWriter, FileInputStream, FileOutputStream, File}
import com.android.dx.dex.cf.{CfOptions, CfTranslator}
import java.io._
object HelloWorld {

  def main(args: Array[String]) {

    println("Hello, world!")

    val u = Uri.parse("content://test")
    val f = new File("/tmp/dexfile.dex");
    println(" l " + f.exists());

    val a = new DexFile(new DexOptions);

    val i = new FileInputStream("/tmp/remote/net/novoda/HelloWorldJava.class")

    val array = Stream.continually(i.read).takeWhile(-1 !=).map(_.toByte).toArray
    i.close()

    val clazz = CfTranslator.translate("net/novoda/HelloWorldJava.class", array, new CfOptions, new DexOptions)
    a.add(clazz)

    val out = new FileOutputStream("/tmp/dexfile.dex")
    

    val humanOutRaw = new FileOutputStream(f);
    val humanOut =  new OutputStreamWriter(scala.Console.out);
    //val outArray = a.toDex(humanOut, true)

    a.writeTo(humanOutRaw, humanOut, true);
    
    out.close
    val l = new DexClassLoader("/tmp/dexfile.dex", "/tmp/and/android-data", "/media/server/FOSS/android/head/out/host/linux-x86/lib", ClassLoader.getSystemClassLoader)

    import scala.collection.JavaConversions._
    new dalvik.system.DexFile(f).entries().foreach(println)

    val classs = new dalvik.system.DexFile(f).loadClass("net.novoda.HelloWorldJava", l)
    val s = classs.newInstance //.asInstanceOf[{ def hello() }].hello()

    println(s + " < ========== ")
    s.getClass.getDeclaredMethods.foreach(println)

    val aaaa = l.loadClass("net.novoda.HelloWorldJava")
    
    //aaaa.getClass.getDeclaredMethods.foreach(println)

    println(aaaa)
    println(aaaa.getClass)
    val foo = aaaa.newInstance.asInstanceOf[{ def hello() }]
    foo.hello()
    println(aaaa)

  }
}

rm /tmp/and/android-data/dalvik-cache/*
rm hello.dex.jar
rm -r out/
mkdir out
/usr/local/scala-2.9.1/bin/scalac -cp /opt/android-sdk-linux_x86/platforms/android-15/android.jar:/opt/android-sdk-linux_x86/platform-tools/lib/dx.jar hello.scala
mv com out/
dx --dex --output=hello.dex.jar out
ANDROID_PRINTF_LOG=tag ANDROID_LOG_TAGS=*:i ANDROID_DATA=/tmp/and/android-data ANDROID_ROOT=/media/server/FOSS/android/head/out/host/linux-x86 LD_LIBRARY_PATH=/media/server/FOSS/android/head/out/host/linux-x86/lib DYLD_LIBRARY_PATH=/media/server/FOSS/android/head/out/host/linux-x86/lib /media/server/FOSS/android/head/out/host/linux-x86/bin/dalvikvm -classpath /media/server/FOSS/android/head/out/target/product/generic_x86/dex_bootjars/system/framework/framework.jar:/tmp/remote/scala-actors.jar:/tmp/remote/scala-collection.jar:/tmp/remote/scala-immutable.jar:/tmp/remote/scala-library.jar:/tmp/remote/scala-mutable.jar:/tmp/remote/hello.dex.jar -Duser.dir=/tmp/and/ -Djava.io.tmpdir=/tmp/and/ -Xbootclasspath::/tmp/remote/dx.dex.jar:/media/server/FOSS/android/head/out/host/linux-x86/framework/core-hostdex.jar:/media/server/FOSS/android/head/out/host/linux-x86/framework/bouncycastle-hostdex.jar:/media/server/FOSS/android/head/out/host/linux-x86/framework/apache-xml-hostdex.jar -Duser.language=en -Duser.region=US -Xverify:none -Xdexopt:none -Xcheck:jni -Xjnigreflimit:2000 com.hello.HelloWorld