title: Browser and initial activity issue
body: <p>I'm having trouble when activity A call browser activity. Browser will parse url e when the user press back, i want the first activity will restart and not show blank page.
  Here's the code</p>
  
  <pre><code>    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main);
  
      Integer id =getIntent().getExtras().getInt("id");
  
      Intent browserIntent;
  
      switch (id) { 
      case 1: 
          browserIntent = new Intent(Intent.ACTION_VIEW,Uri.parse("http:example"));
          startActivity(browserIntent);
              break;
     etc etc
  </code></pre>