var inbox, txt;
function OnStart()
{
  var lay = app.CreateLayout( "linear", "VCenter,FillXY" );  
  txt = app.CreateText( "Hello" );
  txt.SetTextSize( 32 );
  lay.AddChild( txt );
  var ask = app.CreateButton( "Ask for some text" );
  ask.SetOnTouch( ask_OnTouch );
  lay.AddChild( ask );
  app.AddLayout( lay );  
  
  inbox = inputBox("What is your name?", gotInput,"Name",0.9);
}
  
function ask_OnTouch()
{
    //inbox.SetText("");
    //inbox.Show();
    inbox.ShowWithKeyboard();
}
  
function gotInput()
{
  txt.SetText( this.GetText() );
}
  
// This function returns an input dialog
// title (optional) dialog title, suppressed if empty
// okCallback (required) function called when Ok touched
// hint (optional) empty string displays no hint
// width (optional) 0 to 1 used when creating TextBox
function inputBox(title, okCallback, hint, width)
{
    var options = "NoCancel"
    title = title || "";
    hint = hint || "Your text";
    //suppress title line if no title - pass " " to override
    if( title==="") options += ",NoTitle";
    
    // create dialog
    var dlg = app.CreateDialog( title,options  );
    var lay = app.CreateLayout( "Linear", "" );
    dlg.AddLayout( lay );
    
    // add controls
    var edt = app.CreateTextEdit( "", width );
    edt.SetHint( hint );
    lay.AddChild( edt );
    var layBtn = app.CreateLayout( "Linear", "Horizontal" );
    lay.AddChild( layBtn );
    var btnCancel = app.CreateButton( "Cancel",-1,-1,"custom" );
    btnCancel.SetOnTouch( function(){dlg.Dismiss();} );
    layBtn.AddChild( btnCancel );
    var btnOk = app.CreateButton( "Ok",-1,-1,"custom" );
    layBtn.AddChild( btnOk );    
    btnOk.SetOnTouch( function(){okCallback.call(edt);dlg.Dismiss()} );
    
    // public functions
    dlg.ShowKeyboard = function(  )
    {edt.Focus();app.ShowKeyboard( edt );}
    
    dlg.SetText = function(txt){edt.SetText(txt);}
    
    dlg.ShowWithKeyboard=function()
    {setTimeout(dlg.ShowKeyboard, 100);dlg.Show();}
    
    // 
    return dlg
}