content: package com.cpacm.demo.circularfloatingactionmenu_demo;
  
  import android.app.Activity;
  import android.os.Bundle;
  import android.view.Menu;
  import android.view.MenuItem;
  import android.widget.ImageView;
  
  import com.cpacm.library.FloatingActionButton;
  import com.cpacm.library.FloatingActionMenu;
  import com.cpacm.library.SubActionButton;
  
  /**
   * Created by cpacm on 2014/11/24.
   */
  public class MyFABActivity extends Activity {
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_menu_with_fab);
  
          // Set up the white button on the lower right corner
          // more or less with default parameter
          ImageView fabIconNew = new ImageView(this);
          fabIconNew.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_new_light));
          FloatingActionButton rightLowerButton = new FloatingActionButton.Builder(this)
                  .setContentView(fabIconNew)
                  .build();
  
          SubActionButton.Builder rLSubBuilder = new SubActionButton.Builder(this);
          ImageView rlIcon1 = new ImageView(this);
          ImageView rlIcon2 = new ImageView(this);
          ImageView rlIcon3 = new ImageView(this);
          ImageView rlIcon4 = new ImageView(this);
  
          rlIcon1.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_chat_light));
          rlIcon2.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_camera_light));
          rlIcon3.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_video_light));
          rlIcon4.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_place_light));
  
          // Build the menu with default options: light theme, 90 degrees, 72dp radius.
          // Set 4 default SubActionButtons
          FloatingActionMenu rightLowerMenu = new FloatingActionMenu.Builder(this)
                  .addSubActionView(rLSubBuilder.setContentView(rlIcon1).build())
                  .addSubActionView(rLSubBuilder.setContentView(rlIcon2).build())
                  .addSubActionView(rLSubBuilder.setContentView(rlIcon3).build())
                  .addSubActionView(rLSubBuilder.setContentView(rlIcon4).build())
                  .setAnimationHandler(new SliderAnimationHandler())
                  .attachTo(rightLowerButton)
                  .build();
      }
  
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.menu_with_fab, 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);
      }
  }
  