请教一个安卓的InflateException异常

12-24 05:57:23.909: E/AndroidRuntime(948): Uncaught handler: thread main exiting due to uncaught exception12-24 05:57:23.959: E/AndroidRuntime(948): java.lang.RuntimeException: Unable to start activity ComponentInfo{cn.com.inpound/cn.com.inpound.StartActivity}: android.view.InflateException: Binary XML file line #2: Error inflating class android.widget.LinearLayout12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2454)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2470)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.ActivityThread.access$2200(ActivityThread.java:119)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1821)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.os.Handler.dispatchMessage(Handler.java:99)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.os.Looper.loop(Looper.java:123)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.ActivityThread.main(ActivityThread.java:4310)12-24 05:57:23.959: E/AndroidRuntime(948):     at java.lang.reflect.Method.invokeNative(Native Method)12-24 05:57:23.959: E/AndroidRuntime(948):     at java.lang.reflect.Method.invoke(Method.java:521)12-24 05:57:23.959: E/AndroidRuntime(948):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)12-24 05:57:23.959: E/AndroidRuntime(948):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)12-24 05:57:23.959: E/AndroidRuntime(948):     at dalvik.system.NativeStart.main(Native Method)12-24 05:57:23.959: E/AndroidRuntime(948): Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class android.widget.LinearLayout12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.LayoutInflater.createView(LayoutInflater.java:513)12-24 05:57:23.959: E/AndroidRuntime(948):     at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.LayoutInflater.inflate(LayoutInflater.java:385)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.LayoutInflater.inflate(LayoutInflater.java:320)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.LayoutInflater.inflate(LayoutInflater.java:276)12-24 05:57:23.959: E/AndroidRuntime(948):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.Activity.setContentView(Activity.java:1622)12-24 05:57:23.959: E/AndroidRuntime(948):     at cn.com.inpound.StartActivity.onCreate(StartActivity.java:22)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)12-24 05:57:23.959: E/AndroidRuntime(948):     ... 11 more12-24 05:57:23.959: E/AndroidRuntime(948): Caused by: java.lang.reflect.InvocationTargetException12-24 05:57:23.959: E/AndroidRuntime(948):     at android.widget.LinearLayout.<init>(LinearLayout.java:92)12-24 05:57:23.959: E/AndroidRuntime(948):     at java.lang.reflect.Constructor.constructNative(Native Method)12-24 05:57:23.959: E/AndroidRuntime(948):     at java.lang.reflect.Constructor.newInstance(Constructor.java:446)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.LayoutInflater.createView(LayoutInflater.java:500)12-24 05:57:23.959: E/AndroidRuntime(948):     ... 21 more12-24 05:57:23.959: E/AndroidRuntime(948): Caused by: android.content.res.Resources$NotFoundException: File res/drawable-mdpi/title_bar_shadow.9.png from drawable resource ID #0x7f02000712-24 05:57:23.959: E/AndroidRuntime(948):     at android.content.res.Resources.loadDrawable(Resources.java:1710)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.content.res.TypedArray.getDrawable(TypedArray.java:548)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.View.<init>(View.java:1850)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.View.<init>(View.java:1799)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.view.ViewGroup.<init>(ViewGroup.java:282)12-24 05:57:23.959: E/AndroidRuntime(948):     ... 25 more12-24 05:57:23.959: E/AndroidRuntime(948): Caused by: java.io.FileNotFoundException: res/drawable-mdpi/title_bar_shadow.9.png12-24 05:57:23.959: E/AndroidRuntime(948):     at android.content.res.AssetManager.openNonAssetNative(Native Method)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.content.res.AssetManager.openNonAsset(AssetManager.java:391)12-24 05:57:23.959: E/AndroidRuntime(948):     at android.content.res.Resources.loadDrawable(Resources.java:1702)12-24 05:57:23.959: E/AndroidRuntime(948):     ... 29 more