1 Intent intent = new Intent();2         ComponentName cmp = new ComponentName("com.tencent.mobileqq","com.tencent.mobileqq.activity.SplashActivity");3         intent.setAction(Intent.ACTION_MAIN);4         intent.addCategory(Intent.CATEGORY_LAUNCHER);5         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);6         intent.setComponent(cmp);7         startActivity(intent);

1 Intent intent=new Intent(Intent.ACTION_SEND);   2 3         intent.setType("text/plain");   4 5         intent.putExtra(Intent.EXTRA_SUBJECT,"分享");   6         intent.putExtra(Intent.EXTRA_TEXT, "hello，weibo！");    7         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);   8         startActivity(Intent.createChooser(intent, "share"));