Android之OptionMenu

public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu); //xml文件添加
MenuItem item = menu.add(1, 100, 1, "动态菜单"); //代码添加
item.setIcon(R.drawable.ic_launcher); // api >= 11 不显示图标
return true;
}


@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_menu_item1:
Intent intent = new Intent(MainActivity.this, Activity_Second.class); 
item.setIntent(intent); //实现页面跳转
break;


case R.id.action_menu_item2:

break;
}
return super.onOptionsItemSelected(item);
}