1.
按照网上的Fragment官网资料翻译来做一直有错：
10-03 02:43:13.971: E/AndroidRuntime(1921): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mzb.fragmenttest/com.mzb.fragmenttest.MainActivity}: android.view.InflateException: Binary XML file line #17: Error inflating class fragment
10
