gistfile1.js

var imageScrollView = Titanium.UI.createScrollView({
    contentWidth:'auto',
    contentHeight:'auto',
    top:0,
    showVerticalScrollIndicator:true,
    showHorizontalScrollIndicator:true
});

var select;
var category;
var picture = '';
    
postPhoto.addEventListener('click',function(e){ 

  Titanium.Media.openPhotoGallery({
      
     success:function(event){      
      
      var saveImageView = Titanium.UI.createImageView({     
         top: 10,
         left: 10,
         width: '300',
         height: '220',
         canScale: true,
         image: event.media,
         
       });

       imageScrollView.add(saveImageView);
       picture = saveImageView.toBlob();
       
       win1.add(saveImageView);

     },
     
     cancel:function(){
       Titanium.API.info('Photo Gallery cancel');      
     },
     error:function(error){
       Titanium.API.info('Photo Gallery error');        
     },
     allowImageEditing:true
     
 
  });
 
win1.add(imageScrollView);
   
});

win1.add(postPhoto);