[TIMOB-1910] Add a removeAllChildren method to views and windows

Description

Comments

1. Stephen Tramer 2012-01-26 The following is perfectly valid and demonstrates that there is no need for this method:

      var win = Ti.UI.createWindow({
      	backgroundColor:'black'
      });
      for (var i=0; i < 10; i++) {
      	var x = i * 20;
      	for (var j=0; j < 20; j++) {
      		var y = j * 20;
      		var color = 'red';
      		switch ((x+y) % 3) {
      			case 1:
      				color = 'green';
      				break;
      			case 2:
      				color = 'blue';
      				break;
      			default:
      				color = 'red';
      				break;
      		}
      		var view = Ti.UI.createView({
      			left:x,
      			top:y,
      			width:20,
      			height:20,
      			backgroundColor:color
      		});
      		win.add(view);
      	}
      }
      
      var b = Ti.UI.createButton({
      	title:'Clear the view!',
      	width:200,
      	height:40
      });
      win.add(b);
      b.addEventListener('click', function() {
      	var viewChildren = win.children;
      	Ti.API.info(viewChildren);
      	for (var i=0; i < viewChildren.length; i++) {
      		var child = viewChildren[i];
      		win.remove(child);	
      	}
      });
      win.open();
      

   Of course, this is a fairly extreme case... and the upcoming layout API allowing batching of operations should prevent issues like this.
2. Keith Gable 2012-01-26 Separate issue then, but view.remove(other_view) does not always work. Also, this would be incredibly inefficient if you had a lot of views to remove (and the platform provided a similar method to remove all child views).
3. Ivan Skugor 2012-01-27 Stephen's solution won't work (on Android at least), here is Q/A topic regarding this functionality: http://developer.appcelerator.com/question/131151/emptying-a-view Keith, if "remove" does not work, report it. :) And I agree that this functionality would be useful (along many other :D ).
4. Neville Dastur 2013-11-09 Only commenting to say at least with SDK 3.0+ there is now a removeAllChildren() method. This item appears high on a google search for this problem and it has been marked as won't fix. But actually it has been fixed.
5. Ingo Muschenetz 2013-11-11 Resolving as duplicate of linked issue.
6. Lee Morris 2017-03-20 Closing ticket as duplicate.

JSON Source