Memory Management Example

Will-not-release.js

// GLOBAL SCOPE
var win = Ti.UI.createWindow();
var parentView = Ti.UI.createView();
var childView = Ti.UI.createView();
 
parentView.add(childView);
win.add(parentView);
 
win.open();
 
// parentView and childView are not safe to release, as references still exist
win.remove(parentView);

Will-release.js

// GLOBAL SCOPE
var win = Ti.UI.createWindow();
var parentView = Ti.UI.createView();
var childView = Ti.UI.createView();
 
parentView.add(childView);
win.add(parentView);
 
// childView is safe to release from memory, as it is no longer referenced. However, on the platform-side, the proxy and view remain in memory as they are internally referenced as sub-view objects.
childView = null;
 
win.open();
 
// The parentView reference is still live, so child views are internally retained until the parent reference no longer exists. 
win.remove(parentView);
 
// parentView is safe to release from memory, as it is no longer referenced. Child views that are no longer referenced will also be released from memory.
parentView = null;