这是我从logcat获得的代码。有什么想法？ 这个工作好几周，就在今天已经坏了，我已经更新了所有的参考库，重写了代码，但我得到了这个......
07-22 12:28:00.737: D/OpenGLRenderer(6759): Flushing caches (mode 0)
07-22 12:28:02.258: D/dalvikvm(6759): GC_FOR_ALLOC freed 4989K, 43% free 7856K/13763K, paused 34ms
07-22 12:28:02.418: D/dalvikvm(6759): GC_CONCURRENT freed 1485K, 41% free 8158K/13763K, paused 3ms+6ms
07-22 12:28:02.479: E/ActivityThread(6759): Failed to inflate
07-22 12:28:02.479: E/ActivityThread(6759): android.view.InflateException: Binary XML file line #58: Error inflating class com.google.ads.AdView
07-22 12:28:02.479: E/ActivityThread(6759): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:691)
07-22 12:28:02.479: E/ActivityThread(6759): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
07-22 12:28:02.479: E/ActivityThread(6759): at android.view.LayoutInflater.rInflate(LayoutInflater.java:742)
07-22 12:28:02.479: E/ActivityThread(6759): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
07-22 12:28:02.479: E/ActivityThread(6759): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
07-22 12:28:02.479: E/ActivityThread(6759): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
07-22 12:28:02.479: E/ActivityThread(6759): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
07-22 12:28:02.479: E/ActivityThread(6759): at android.app.Activity.setContentView(Activity.java:1835)
07-22 12:28:02.479: E/ActivityThread(6759): at g.t.GT5Activity.onCreate(GT5Activity.java:17)
07-22 12:28:02.479: E/ActivityThread(6759): at android.app.Activity.performCreate(Activity.java:4465)
07-22 12:28:02.479: E/ActivityThread(6759): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
07-22 12:28:02.479: E/ActivityThread(6759): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2033)
07-22 12:28:02.479: E/ActivityThread(6759): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2104)
07-22 12:28:02.479: E/ActivityThread(6759): at android.app.ActivityThread.access$600(ActivityThread.java:132)
07-22 12:28:02.479: E/ActivityThread(6759): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1157)
07-22 12:28:02.479: E/ActivityThread(6759): at android.os.Handler.dispatchMessage(Handler.java:99)
07-22 12:28:02.479: E/ActivityThread(6759): at android.os.Looper.loop(Looper.java:137)