@Override 
public boolean onCreateOptionsMenu(Menu menu) 
{ 
 // Inflate the menu; this adds items to the action bar if it is present. 
 //getMenuInflater().inflate(R.menu.main, menu); 
 menu.add(0,1,1,"设置").setIcon(R.drawable.setting); 
 menu.add(0,3,3,"设置").setIcon(R.drawable.setting); 
 menu.add(0,2,2,"下载").setIcon(R.drawable.download); 
 
} 

@Override 
public boolean onOptionsItemSelected(MenuItem item) 
{ 
 // TODO Auto-generated method stub 
 if (item.getGroupId() == 0 &&item.getItemId() == 1) 
 { 
  Intent intent = new Intent(this, SecondActivity.class); 
  startActivity(intent); 
 } 
 else 
 { 
  Toast.makeText(this, item.getTitle(), Toast.LENGTH_SHORT).show(); 
 } 
 return super.onOptionsItemSelected(item); 
} 

@Override 
public void onCreateContextMenu(ContextMenu menu, View v, 
  ContextMenuInfo menuInfo) 
{ 
  menu.add(0, 1, 0, "红色背景"); 
  menu.add(0, 2, 0, "绿色背景"); 
  menu.add(1, 3, 0, "白色背景"); 
 // TODO Auto-generated method stub 
 super.onCreateContextMenu(menu, v, menuInfo); 
} 

@Override 
public boolean onContextItemSelected(MenuItem item) 
{ 
 // TODO Auto-generated method stub 
  switch(item.getItemId()) { 
   case 1: 
    myText.setBackgroundColor(Color.RED); 
   break; 
   case 2: 
    myText.setBackgroundColor(Color.GREEN); 
   break; 
   case 3: 
    myText.setBackgroundColor(Color.WHITE); 
   break; 
   } 
 return true; 
} 

 private TextView myText; 
@Override 
protected void onCreate(Bundle savedInstanceState) 
{ 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.activity_main); 
 myText = (TextView)findViewById(R.id.mytext); 
 registerForContextMenu(myText); 
} 

@Override 
public boolean onCreateOptionsMenu(Menu menu) 
{ 
 // Inflate the menu; this adds items to the action bar if it is present. 
 SubMenu subMenu = menu.addSubMenu(0, 4, 4, "登录/注册"); 
 subMenu.add(1, 1, 1, "登录"); 
 subMenu.add(1, 2, 2, "注册"); 
 return true; 
} 

public boolean onOptionsItemSelected(MenuItem item) { 
 // TODO Auto-generated method stub 
 if(item.getTitle().equals("登录")) 
 { 
  Log.e("action:","点击了 注册/登录"); 
 } 
 return super.onOptionsItemSelected(item); 
} 

<menu xmlns:android="http://schemas.android.com/apk/res/android" > 
 <item 
  android:id="@+id/action_edit" 
  android:orderInCategory="100" 
  android:showAsAction="never" 
  android:title="edit"/> 
  <item 
  android:id="@+id/action_share" 
  android:orderInCategory="100" 
  android:showAsAction="never" 
  android:title="popup"/> 
</menu> 

public void showPopuMenu(View v) 
{ 
 PopupMenu popup = new PopupMenu(MainActivity.this, v); 
 MenuInflater inflater = popup.getMenuInflater(); 
 inflater.inflate(R.menu.popup, popup.getMenu()); 
 popup.show(); 
 
}