我一直收到这个错误：
12-02 17:34:55.648: E/AndroidRuntime(426): java.lang.NoClassDefFoundError: android.support.v7.appcompat.R$styleable
12-02 17:34:55.648: E/AndroidRuntime(426): at android.support.v7.app.ActionBarActivityDelegate.onCreate(ActionBarActivityDelegate.java:147)
12-02 17:34:55.648: E/AndroidRuntime(426): at android.support.v7.app.ActionBarActivityDelegateBase.onCreate(ActionBarActivityDelegateBase.java:138)
12-02 17:34:55.648: E/AndroidRuntime(426): at android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:123)
我尝试过无关紧要并重新导入android.support.v7.ActionBarActivity 我希望有人可以指导我找出错误