Android隐藏ActionBar的方法

private ActionBar actionBar;
protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //设置界面布局
        setContentView(R.layout.activity_search);
        //隐藏工具栏
        actionBar = getSupportActionBar();
        //actionBar = getActionBar();
        actionBar.hide();
    }