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--- sample_code:backup_apps [2015/01/11 19:43]
stevegarman created
+++ sample_code:backup_apps [2015/11/15 00:00]
@@ Line 1: / Line 1: @@
-====== Backup your apps ======
-Following a reminder from Dave on the discussion group that we should be backing up our apps regularly, I thought I would post a simple way of sending yourself an email archive of your DroidScript folder.
-The following code is intended as a guide to one way you can keep a snapshot of your code at any given time.
-You may well find the archiving code more useful than the email code.
-<code JavaScript archive.js>
-var mygmail = "mymail@gmail.com";
-var mypass = "mypassword";
-//Called when application is started.
-function OnStart()
-{
-    //Create a layout with objects vertically centered.
-    lay = app.CreateLayout( "linear", "FillXY" );
-    //Create a text label and add it to layout.
-    txt = app.CreateText( "..." );
-    lay.AddChild( txt );
-    //Add layout to app.
-    app.AddLayout( lay );
-    var fname = CreateArchive();
-    sendGmail( mygmail, mypass, fname);
-}
-//Create a backup archive.
-function CreateArchive( )
-{
-    var archfolder = "/sdcard/sjgapps/archive/";
-    app.MakeFolder(archfolder);
-    //Create project zip file.
-    var zip = app.CreateZipUtil();
-    var fldr = "/sdcard/DroidScript";
-    var archname = (new Date).toISOString().slice(0,19 );
-    archname = "ds"+archname.replace(/[-:]/gi,"");
-    archname =  archname.replace(/T/gi,"_");
-    var file = archfolder+archname+".zip";
-    zip.Create( file );
-    app.ShowProgress( "Archiving..." );
-    AddFolder( zip, "DroidScript", fldr );
-    app.HideProgress();
-    zip.Close();
-    return file;
-}
-//Recursively add folder contents to zip.
-function AddFolder( zip, name, fldr )
-{
-    txt.SetText(name);
-    var list = app.ListFolder( fldr,"",0,"alphasort" );
-    for( var i=0; i<list.length; i++ )
-    {
-        var title = list[i];
-        if( !app.IsFolder( fldr+"/"+title ) )
-            zip.AddFile( name+"/"+title, fldr+"/"+title );
-        else
-            AddFolder( zip, name+"/"+title, fldr+"/"+title );
-    }
-}
-function sendGmail(addr,pass,attach)
-{
-    //Create email object.
-    var email = app.CreateEmail( addr, pass );
-    email.SetSMTP( "smtp.gmail.com", 465 );
-    email.SetOnStatus( email_OnStatus );
-    //Send the email message.
-    app.ShowProgress( "Sending..." );
-    email.Send( attach, "DroidScript backup for you.",
-       addr, addr, attach );
-}
-//Handle status messages.
-function email_OnStatus( status )
-{
-    app.HideProgress();
-    app.Alert( status );
-}
-</code>
-===== Warnings =====
-==== Personalise the code ====
-You must change the email address and password in the first two lines
-==== Version required ====
-This code makes the assumption that you are using at least version 1.15 of DroidScript, as the path for your apps is hard coded but older versions used a different path
-==== Possible Gmail Problem ====
-The code used for emailing is pretty simplistic and you may get an authentication error if your gmail account is set to high security.
-==== Filling your sdcard ====
-There is no code included to delete the zip files.
-Over time, /sdcard/sjgapps/archive will build up all the archives you create.
-You should probably delete those files manually from time to time, probably after emailing them or placing them in your cloud storage.

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