sit(a, "action", "android.intent.action.SEND")
sit(a, "type", "text/plain")
sit(a,"classname","com.tencent.mobileqq", "com.tencent.mobileqq.activity.JumpActivity")
sit(a, "extra", "android.intent.extra.TEXT","分享内容")
uit(a, "chooser", "分享")