public static pluckViews(parent: GridLayout): View[] {
		let returnViews: View[] = [];
		parent.eachLayoutChild((child: View) => {
			returnViews.push(child);
		});
		parent.removeChildren();
		return returnViews;
	}

 public ResetGridRows(value: number){
   let grid : GridLayout = this.gridRef.nativeElement;
  
   grid.removeRows();
   
   for(let i =0; i<value; i++){
     console.log("add row defintion");
     grid.addRow(new ItemSpec(1, "star"));
   }
   
   let rows = grid.getRows();
   console.log("grid-row count: " + rows.length);
 }

    public ResetGridColumns(value: number){
      let grid : GridLayout = this.gridRef.nativeElement;

      grid.removeColumns();
     
      for(let i =0; i<value; i++){
        console.log("add column defintion");
        grid.addColumn(new ItemSpec(1, "star"));
      }
      
      let columns = grid.getColumns();
      console.log("grid-column counts: " + columns.length);
    }

    public loginPageFunc() {
        let wv = new TnsOauthWebView(this._cancelEventHandler);

        TnsOAuthWebViewHelper.initWithWebViewAndIntercept(wv, this._checkCodeIntercept);

        let grid = new GridLayout();
        grid.addChild(wv);

        let stack = new StackLayout();
        stack.addChild(grid);

        let page = new Page();
        page.content = stack;

        if (isAndroid) {
            page.actionBarHidden = true;
        }

        wv.src = this._authUrl;

        return page;
    };

	public static displayDevWarning(parent:GridLayout, message: string, ...viewsToCollapse: View[]): void {
		let warningText = new Label();
		warningText.text = message;
		warningText.color = new Color('red');
		warningText.textWrap = true;
		warningText.marginTop = 50;
		parent.addChild(warningText);
		viewsToCollapse.forEach((view: View) => {
			if (view != null) {
				view.visibility = 'collapse';
			}
		});
	}

export function onClearCache(args: EventData) {
    var imagePipeLine = frescoModel.getImagePipeline();
    imagePipeLine.clearCaches();
    layout.removeChildren();
    toggleBusyIndicator(true);
    setContent();
}

function setContent() {
    myComponentInstance = builderModule.load({
        path: "~/examples/",
        name: xmlFileName
    });
    if (tabViewItem && tabViewItem.view) {
        if (layout && layout.getChildrenCount() <= 0) {
            timerId = timerModule.setInterval(function () {
                toggleBusyIndicator(false);
                layout.addChild(myComponentInstance);
                timerModule.clearInterval(timerId);
            }, 800);
        }
    }
}

 timerId = timerModule.setInterval(function () {
     toggleBusyIndicator(false);
     layout.addChild(myComponentInstance);
     timerModule.clearInterval(timerId);
 }, 800);