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Formatting Syntax

sample_code:about_dialog

About Dialog

First create a .js-File and save it as aboutdlg.js in a Droidscriptfolder where you need the file.
Then write the informations you want to display in the dialogbox on a seperate HTML-file.
Call it about.html and put the file in the same folder. So it is later easy to change the informations.

aboutdlg.js
/********************************************************************
 * About Dialog
=====================================================================
 * Creation date: 22-01-2015 by octazid
 * Last update: 22-01-2015 by octazid
=====================================================================
 * Simple dialog to show some things about the app
********************************************************************/
 
//*** AboutDialog class ***//
function AboutDialog(information, infowidth, infoheight, backcolor)
{
  var self = this;
  this.dlg = app.CreateDialog("About:");
  this.lay = app.CreateLayout( "linear", "FillXY" );
  this.txt = app.CreateWebView(infowidth, infoheight);
  this.txt.SetBackColor(backcolor);
  this.txt.LoadHtml(information);
  this.txt.SetMargins(0,0.01,0,0);
  this.txt.parent = self;
  this.lay.AddChild(this.txt);
  this.btnlay = app.CreateLayout( "Linear", "Horizontal,FillXY" );
  this.dlgbtn = app.CreateButton("OK", 0.45,-1);
  this.dlgbtn.parent = self;
  this.dlgbtn.SetOnTouch(dlgbtn_OnTouch);
  this.btnlay.AddChild(this.dlgbtn);
  this.lay.AddChild(this.btnlay);
  this.dlg.AddLayout(this.lay);
  this.Show = function(){self.dlg.Show();}
  this.Hide = function(){self.dlg.Hide();}
}//function AboutDialog()
 
 
// Called if button is touched
function dlgbtn_OnTouch()
{
    var par = this.parent;
    par.Hide();
}//function dlgbtn_OnTouch

In your app you have to do three things,

1. Load the Script with

  app.LoadScript("aboutdlg.js")

2. Create a Button to call the Dialog and add it to the layout

  btn = app.CreateButton( "About", 0.3, 0.1, "Alum" );
  btn.SetOnTouch(CreateAboutDlg);
  lay.AddChild( btn );

3. Write a function to call the Dialog

  function CreateAboutDlg()
  {
  var txt = app.ReadFile("about.html");
  DlgAbout = new AboutDialog(txt, -1, -1, "#ff222222");
  DlgAbout.Show();    
  }

Or you can use this Example.

exampleapp.js
//Called when application is started.
 
function OnStart()
{
    app.LoadScript("aboutdlg.js")      
    lay = app.CreateLayout( "Linear", "VCenter,FillXY" );    
    btn = app.CreateButton( "About", 0.3, 0.1, "Alum" );
    btn.SetOnTouch(CreateAboutDlg);
    lay.AddChild( btn );
    app.AddLayout( lay );    
} 
 
 
function CreateAboutDlg()
{
    var txt = app.ReadFile("about.html");
    DlgAbout = new AboutDialog(txt, -1, -1, "#ff222222");
    DlgAbout.Show();    
}
sample_code/about_dialog.txt · Last modified: 2015/01/25 14:32 by octazid