title: Android option menu: change size of icon
body: <p>I am using option menu, i want to increase the size of my icon...
  means icon are too small... how can increase their width or height ....
  or how remove space around icon.. i.e padding, margin etc...
  i want a menu with icon at bottom... 
  what i should do???</p>
  
  <pre><code> &lt;activity
          android:name="com.example.parentengagementtracking.BaseActivity"
          android:label="@string/title_activity_base"
          android:theme="@style/MenuTheme" &gt;
  
          &lt;!-- android:theme="@style/Theme.FixedSize"&gt; --&gt;
      &lt;/activity&gt;
  
  
  
  
  &lt;style name="MenuTheme" parent="android:Theme"&gt;
      &lt;item name="android:panelFullBackground"&gt;@drawable/back11&lt;/item&gt;
      &lt;item name="android:padding"&gt;1dip&lt;/item&gt;
      &lt;item name="android:drawablePadding"&gt;1dip&lt;/item&gt;
  &lt;/style&gt;
  </code></pre>
  
  <p>public class BaseActivity extends Activity {</p>
  
  <pre><code>@Override
  public boolean onCreateOptionsMenu(Menu menu) {
      getMenuInflater().inflate(R.menu.activity_parent_home, menu);
      return true;
  }
  
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item)
  {
      Bundle objBundle; 
      Intent objIntent;
      switch (item.getItemId())
      {
  
      case R.id.menu_about_us:
          objIntent=null;
          objIntent = new Intent(BaseActivity.this,InfoActivity.class);
          objBundle=new Bundle();            
          objBundle.putString("source","BaseActivity");
          objIntent.putExtras(objBundle);
          finish();
          startActivity(objIntent);
          return true;
  
      case R.id.menu_profile:
          objIntent=null;
          objIntent = new Intent(BaseActivity.this,UserProfile.class);
          finish();
          startActivity(objIntent);
          return true;
  
      case R.id.menu_activity:
          objIntent=null;
          objIntent = new Intent(BaseActivity.this,ViewActivity.class);
          finish();
          startActivity(objIntent);
          return true;
  
      default:
          return super.onOptionsItemSelected(item);
      }
  }   
  </code></pre>
  
  <p>}</p>
  
  <p></p>
  
  <pre><code>&lt;!--         android:icon="@drawable/homen" --&gt;
  &lt;item
      android:id="@+id/menu_profile"
      android:orderInCategory="2"
      android:showAsAction="always"
      android:icon="@drawable/profile1"
      android:title="Profile"/&gt;
  &lt;item
      android:id="@+id/menu_activity"
      android:orderInCategory="3"
      android:showAsAction="always"
      android:icon="@drawable/reports"
      android:title="Reports"/&gt;
  
  &lt;item
      android:id="@+id/menu_about_us"
      android:icon="@drawable/aboutusn"
      android:orderInCategory="4"
      android:showAsAction="always"
      android:title="Aboutus"/&gt;
  </code></pre>
  
  <p></p>
  
  <p>how can i set padding, margin, width and height etc of icon..??</p>