android在应用中打开另外的应用

[code=language-java]private void goToOtherApp(String packageName) {

PackageManager pm = getPackageManager();

Intent otherApp;

try {

otherApp = pm.getLaunchIntentForPackage(packageName);

if (null == otherApp) {

throw new PackageManager.NameNotFoundException();

}

otherApp.addCategory(Intent.CATEGORY_LAUNCHER);

startActivity(otherApp);

} catch (NameNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}