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July 26, 2008

Add multi-language UI for KEmu

Filed under: Programming

English & Chinese are added, 2008.07.26

Users can add their own language file for the emulator.

—/language                      //language path
————/default.txt       //rename your language file to default.
————/english.txt
————/chinese.txt

July 13, 2008

Image Effects

Filed under: Programming

Image Effects in my “MGE”… a little funny thing after OT work.




July 6, 2008

New release of v0.9.5

Filed under: Programming

there are 2 big bugs in v0.9.5 released at 07/03/2008

Now fixed.. emoticon

July 2, 2008

Strange setFullMode

Filed under: Programming

Strange usage of Canvas.setFullMode(boolean) ?。。。

———- Before calling setFullMode, the routine records the height of canvas(getHeight()) into "a"
———- After then, for(; a == getHeight(); sleep(200L)); so so so….

To running "Iron man", I fill up the setFullMode function!! — add Ticker to "normal mode" Canvas

replace Timer&TimerTask in JDK with ASM

Filed under: Programming

It’s a problem one year before…  refer to: http://lyo.blogsome.com/2007/03/24/javautiltimer-diffs-in-j2me-j2se/

Today,I meet the problem again!After hours testing & coding, it was done!so exciting!^_^

Powerful ASM lib ( http://asm.objectweb.org/ )

==========

We need to replace 2 classes:  java.util.Timer & java.util.TimerTask  ( they must in the same package:( )

1. get both classes’ source codes from MIDP implement.
2. adapter user’s classes

     // deal with the super class
     public void visit(final int version, final int access, final String name,
            final String signature, final String superName, final String[] interfaces)
    {
        if(superName.equals("java/util/TimerTask"))
        {
            super.visit(version, access, name, signature, "xxx/xxx/xxx/SubTimerTask", interfaces);
            return;
        }
        else if(superName.equals("java/util/Timer"))
        {
            super.visit(version, access, name, signature, "xxx/xxx/xxx/Timer", interfaces);
            return;
        }
       
        super.visit(version, access, name, signature, superName, interfaces);
    }

    // deal with class members
   public FieldVisitor visitField(int access, String name,
            String desc, String signature, Object value)
    {
        if(desc.equals("Ljava/util/Timer;"))
            desc = "Lxxx/xxx/xxx/Timer;";
       
        return cv.visitField(access, name, desc, signature, value);
    }

3. adapter new Timer()   

    public void visitTypeInsn(final int opcode, final String desc)
    {
       ……….
        if(desc.equals("java/util/Timer"))
        {
            super.visitTypeInsn(opcode, "xxx/xxx/xxx/Timer");
            return;
        }
       ……….
    }

4. adapter method calls

    public void visitMethodInsn(int opcode, String owner, String name, String desc)
   {
       ……….
        if(owner.equals("java/util/Timer"))
        {
            if(desc.indexOf("java/util/TimerTask") != -1)
                desc = desc.replaceAll("java/util/TimerTask", "xxx/xxx/xxx/SubTimerTask");
           
            super.visitMethodInsn(opcode, "xxx/xxx/xxx/Timer", name, desc);
            return;
        }
        else if(owner.equals("java/util/TimerTask"))
        {
            super.visitMethodInsn(opcode, "xxx/xxx/xxx/SubTimerTask", name, desc);
            return;
        }
       ……….
    }

=========

This will be included in next version of KEmulator…