Open Titanium app through intent.

App.js

/**
 app.js file for target App.
 */
var win = Ti.UI.createWindow();

/*Ti.Android.currentActivity.addEventListener('newintent', function(e){
alert('onNewIntent');
});*/

// Create a Button.
var open = Ti.UI.createButton({
	title : "Open Source Win",
	height : 100,
	width : Ti.UI.SIZE,
	color: "black",
	top : 50
});

open.addEventListener("click", function(e) {

	var activity = Ti.Android.currentActivity;

	// var launcherActivity = (new Activity(activity));
	// var packageManager = launcherActivity.getPackageManager();
	// var launchIntent = packageManager.getLaunchIntentForPackage(APP_B_PACKAGE_NAME);
	//
	// if (launchIntent!=null) {
	//
	// } else {
	//
	// alert("App A not isntalled");
	// }

	var intent = Ti.Android.createIntent({
		className : "com.bd.source.SourceappActivity",
		packageName : "com.bd.source"
	});

	intent.addFlags(Ti.Android.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
	intent.addFlags(Ti.Android.FLAG_ACTIVITY_CLEAR_TOP);
	intent.addFlags(Ti.Android.FLAG_ACTIVITY_NEW_TASK);
	intent.addCategory(Ti.Android.CATEGORY_LAUNCHER);

	activity.startActivity(intent);
});

win.add(open);

win.open();

app.js

/**
 app.js file for source App
 */
var win = Ti.UI.createWindow({
	backgroundColor : "white"
});

// Create a Button.
var open = Ti.UI.createButton({
	title : "Open Target Win",
	height : 100,
	width : Ti.UI.SIZE,
    color : "black",
	top : 50
});

open.addEventListener('click', function(e) {

	var activity = Ti.Android.currentActivity;
	// var launcherActivity = (new Activity(activity));
	// var packageManager = launcherActivity.getPackageManager();
	// var launchIntent = packageManager.getLaunchIntentForPackage(APP_B_PACKAGE_NAME);
	//
	// if (launchIntent!=null) {
	//
	// } else {
	//
	// alert("App B not installed");
	// }

	var intent = Ti.Android.createIntent({
		className : "com.bd.target.TargetappActivity",
		packageName : "com.bd.target"
	});

	intent.addFlags(Ti.Android.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
	intent.addFlags(Ti.Android.FLAG_ACTIVITY_CLEAR_TOP);
	intent.addFlags(Ti.Android.FLAG_ACTIVITY_NEW_TASK);
	intent.addCategory(Ti.Android.CATEGORY_LAUNCHER);

	activity.startActivity(intent);

});

win.add(open);

/**
 * Open the tabGroup
 */
win.open();