base64encode image

app.js

var win = Ti.UI.createWindow();
win.open();
 
function takePhoto() {
    Ti.Media.showCamera({
        mediaTypes: [Ti.Media.MEDIA_TYPE_PHOTO],
        success: function(event) {
            console.log(event);
            if(event.mediaType === Ti.Media.MEDIA_TYPE_PHOTO) {
                var image = event.media;
                Ti.API.info(Ti.Utils.base64encode(image));
                Ti.API.info(Ti.Utils.base64encode(image).text);
            }
        },
        error: function(e) {
        },
        cancel: function(e) {
        }
    });
}
 
 
win.addEventListener('click', function(e) {
    var hasCameraPermissions = Ti.Media.hasCameraPermissions();
 
    if (hasCameraPermissions) {
        takePhoto();
    }
 
    Ti.Media.requestCameraPermissions(function(e) {
        takePhoto();
    });
});

tiapp.xml

  <ios>
    <plist>
      <dict>
        <key>NSCameraUsageDescription</key>
        <string>ADD_YOUR_PERMISSION_TEXT_HERE</string>
      </dict>
    </plist>
  </ios>