ShareActionProvider https://www.youtube.com/watch?v=JApBHLZaNpo#t=335

gistfile1.java

/*
  ShareActionProvider
  android.support.v7.widget.ShareActionProvider
*/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
    
    // Inflate the menu
    getMenuInflater().inflate(R.menu.main_memu, menu);
    
    // Find the share item
    MenuItem shareItem = menu.findItem(R.id.menu_share);
    
    // Rettieve the ShareActionProvider
    mShareAp = (ShareActionProvider) MenuItemCompat.getActionProvider(shareItem);
    
    return super.onCreateOptionsMenu(menu);
}

//Later when you have create a share intent
mShareAp.setShareIntent(shareIntentForContent);