[TIMOB-3115] iOS: Expose didReceiveMemoryWarning Event to JS

   
   var win1 = Titanium.UI.createWindow({  
       title:'Home Window',
       backgroundColor:'#fff'
   });
   var input = Ti.UI.createTextField({
   	hintText:'Enter number of rows to be generated',
   	top:20
   });
   var but = Ti.UI.createButton({
   	title:'Check Available memory',
   	top: 50
   });
   var but1 = Ti.UI.createButton({
   	title:'add '+input.getValue()+ 'table rows',
   	top: 80
   });
   
   var tableData = [];
   but.addEventListener('click',function(e){
   	alert(Titanium.Platform.getAvailableMemory() );
   });
   but1.addEventListener('click',function(e){
   	createRow();
   });
   
   var table = Ti.UI.createTableView({ 
   	objName: 'table',
   	top: 150
   	 });
   	 
   
   function createRow(){
   	for(var i = 0;i<input.getValue();i++){
   	var row = Ti.UI.createTableViewRow({
       className: 'row',
       objName: 'row'+i,
       touchEnabled: true,
       //height: 100
     });
     var label = Ti.UI.createLabel({
       backgroundColor:'red',
       color: 'white',
       objName: 'label',
       text: 'Titanium'+i,
       touchEnabled: false,
       left: 0,
   
     });
     row.add(label);
     tableData.push(row);
   	}
   	table.setData(tableData);
   }
   
   	Titanium.App.addEventListener('memorywarning',function(e){
   		alert("Low Memory detected !!");
   	});
   
   win1.add(input);
   win1.add(but);
   win1.add(but1);
   win1.add(table);
   win1.open();