_for iOS users

This gist is only for Android.
If you would like launch native apps 
on iPhone, iPad, you can find information about it in Appcelerator Docs:
-https://developer.appcelerator.com/apidoc/mobile/latest/Titanium.Platform.canOpenURL-method.html
-https://developer.appcelerator.com/apidoc/mobile/latest/Titanium.Platform.openURL-method.html


More info about iOS URL Schemes: http://handleopenurl.com/

_skeleton.js

function shareToFB(){
    try{
        var intFB = Ti.Android.createIntent({
	        action: Ti.Android.ACTION_SEND,
	        packageName: "com.facebook.katana",
	        className: "com.facebook.katana.ShareLinkActivity",
	        flags: 0x30000000,
	        type: "text/plain"
	});
	intFB.putExtra( Ti.Android.EXTRA_TEXT, "http://www.google.com"); //facebook only supports LINKS(!!!)
	intFB.addCategory( Ti.Android.CATEGORY_LAUNCHER );
	Ti.Android.currentActivity.startActivity( intFB );
    }catch( x ){
	//FB app is not installed, fallback to sg else
    }
}
function shareToTwitter(){
    try{
        var intTwitter = Ti.Android.createIntent({
                action: Ti.Android.ACTION_SEND,
		packageName: "com.twitter.android",
		className: "com.twitter.android.PostActivity",
		flags: Ti.Android.FLAG_ACTIVITY_NEW_TASK,
		type: "text/plain"
	});
	intTwitter.putExtra( Ti.Android.EXTRA_TEXT, "http://www.google.com with some message"); //twitter supports any kind of string content (link, text, etc)
	Ti.Android.currentActivity.startActivity( intTwitter );
    }catch( x ){
        //Twitter app is not installed, fallback to sg else
    }
}
function shareChooser(){
     var intShare = Ti.Android.createIntent({
             action: Ti.Android.ACTION_SEND,
	     type:"text/plain"
     });
     intShare.putExtra( Ti.Android.EXTRA_TEXT, "http://www.google.com with some message" );
     Ti.Android.currentActivity.startActivity( intShare );
}

example.js

var app = {
        sharer: {
            fb: function( content ){
                try{
                    var intFB = Ti.Android.createIntent({
	                    action: Ti.Android.ACTION_SEND,
               	            packageName: "com.facebook.katana",
	                    className: "com.facebook.katana.ShareLinkActivity",
                	    flags: 0x30000000,
	                    type: "text/plain"
                    });
        	    intFB.putExtra( Ti.Android.EXTRA_TEXT, "http://www.google.com"); //facebook only supports LINKS(!!!)
         	    intFB.addCategory( Ti.Android.CATEGORY_LAUNCHER );
                    Ti.Android.currentActivity.startActivity( intFB );
                }catch( x ){
                    //FB app is not installed, fallback to sg else
                    app.sharer.fallbackFB( content );
                }
            },
            twitter: function( content ){
                 try{
                     var intTwitter = Ti.Android.createIntent({
                             action: Ti.Android.ACTION_SEND,
		             packageName: "com.twitter.android",
		             className: "com.twitter.android.PostActivity",
		             flags: Ti.Android.FLAG_ACTIVITY_NEW_TASK,
		             type: "text/plain"
	             });
	             intTwitter.putExtra( Ti.Android.EXTRA_TEXT, "http://www.google.com with some message"); //twitter supports any kind of string content (link, text, etc)
	             Ti.Android.currentActivity.startActivity( intTwitter );
                 }catch( x ){
                      //Twitter app is not installed, fallback to sg else
                      app.sharer.fallbackTwitter( content );
                 }
            },
            chooser: function( content ){
                var intShare = Ti.Android.createIntent({
                        action: Ti.Android.ACTION_SEND,
	                type:"text/plain"
                }); 
                intShare.putExtra( Ti.Android.EXTRA_TEXT, "itten kontent" );
                Ti.Android.currentActivity.startActivity( intShare );
            },
            fallbackFB: function( content ){
                app.sharer._openWebViewWindow( String.format( "http://m.facebook.com/sharer.php?u=%s&t=%s", content, content ) );
            },
            fallbackTwitter: function( content ){
                app.sharer._openWebViewWindow( String.format( "http://m.twitter.com/?status=%s", content ) );
            },
            _openWebViewWindow: function( url ){
                var webViewWin = Ti.UI.createWindow({
		        modal: true
         	});
	        var webView = Ti.UI.createWebView({
		        url: url,
		        canGoBack: true,
		        canGoForward: true
            	});
	        webViewWin.add( webView );
	        webViewWin.open();
            }
        }
};
var MESSAGE = "http://google.com is great search engine";

var btnShareFB = Ti.UI.createButton({
    title: "Share to native FB app"
});
btnShareFB.addEventListener( "click", app.sharer.fb.bind( null, MESSAGE );
Ti.UI.currentWindow.add( btnShareFB );

var btnShareTwitter = Ti.UI.createButton({
    title: "Share to native Twitter app"
});
btnShareTwitter.addEventListener( "click", app.sharer.twitter.bind( null, MESSAGE ) );
Ti.UI.currentWindow.add( btnShareTwitter );


var btnShareChooser = Ti.UI.createButton({
    title: "Share to Chooser"
});
btnShareChooser.addEventListener( "click", app.sharer.chooser.bind( null, MESSAGE ) );