android - How to define Intent for call other applications? -

i got simple widget that's show label text. i'm trying give chance send text via sms, mail, tweet or set state message in gtalk.

how should build intents objects?

to give user choice of apps 'share' twitter, email, etc use this

    public static void launchnewshareintent(context c, string subject, string text, string dialogtitle){        intent shareintent = new intent(intent.action_send);        shareintent.putextra(intent.extra_subject, subject);        shareintent.putextra(intent.extra_text, text);        shareintent.settype("text/plain");        shareintent.setflags(intent.flag_activity_new_task);        c.startactivity(intent.createchooser(shareintent, dialogtitle)); }