【Android Studio】ActionBarActivity is deprecated

ref:
http://developer.android.com/tools/support-library/index.html
http://android-developers.blogspot.tw/2015/04/android-support-library-221.html

Since the version 22.1.0, the class ActionBarActivity is deprecated. You should use AppCompatActivity.

解決方法：
https://www.youtube.com/watch?t=49&v=5Be2mJzP-Uw

需修改以下兩處：

• AndroidManifest.xml
• <application android:theme="@style/Theme.AppCompat">
• MainActivity.xml
• public class MainActivity extends AppCompatActivity