content: package com.cpacm.demo.circularfloatingactionmenu_demo;
  
  import android.app.Activity;
  import android.app.Fragment;
  import android.content.Intent;
  import android.os.Bundle;
  import android.view.LayoutInflater;
  import android.view.Menu;
  import android.view.MenuItem;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.AdapterView;
  import android.widget.ArrayAdapter;
  import android.widget.ListView;
  
  public class DemoActivity extends Activity {
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_demo);
          if (savedInstanceState == null) {
              getFragmentManager().beginTransaction()
                      .add(R.id.container, new ContentFragment())
                      .commit();
          }
      }
  
  
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.demo, menu);
          return true;
      }
  
      @Override
      public boolean onOptionsItemSelected(MenuItem item) {
          // Handle action bar item clicks here. The action bar will
          // automatically handle clicks on the Home/Up button, so long
          // as you specify a parent activity in AndroidManifest.xml.
          int id = item.getItemId();
          if (id == R.id.action_settings) {
              return true;
          }
          return super.onOptionsItemSelected(item);
      }
  
      /**
       * A placeholder fragment containing a simple view.
       */
      public static class ContentFragment extends Fragment implements AdapterView.OnItemClickListener {
  
          private ListView demosListView;
  
          public ContentFragment() {
          }
  
          @Override
          public View onCreateView(LayoutInflater inflater, ViewGroup container,
                  Bundle savedInstanceState) {
              View rootView = inflater.inflate(R.layout.fragment_demo, container, false);
  
              String[] items = { "Menu with FloatingActionButton",
                                 "Menu attached to custom button",
                                 "Menu with custom animation",
                                 "Menu in ScrollView"
                              };
              ArrayAdapter<String> simpleAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1, items);
              demosListView = (ListView) rootView.findViewById(R.id.demosListView);
              demosListView.setAdapter(simpleAdapter);
              demosListView.setOnItemClickListener(this);
              return rootView;
          }
  
          @Override
          public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
              switch (position) {
                  case 0:
                      startActivity(new Intent(getActivity(), MenuWithFABActivity.class));
                      break;
                  case 1:
                      startActivity(new Intent(getActivity(), MenuWithCustomActionButtonActivity.class));
                      break;
                  case 2:
                      startActivity(new Intent(getActivity(), MenuWithCustomAnimationActivity.class));
                      break;
                  case 3:
                      startActivity(new Intent(getActivity(), MenuInScrollViewActivity.class));
                      break;
              }
          }
      }
  }
  