The getActionBar method returns null

This question already has an answer here:

getActionBar() returns null 22 answers

---

For AppCompat v21:

All of your Activities must extend from ActionBarActivity

You then use getSupportActionBar() to retrieve the Action Bar.

链接地址: http://www.djcxy.com/p/78918.html

上一篇: 我如何在偏好片段中创建登录表单

下一篇: getActionBar方法返回null