我收到许多主题中显示的错误.这些错误似乎是偶然的，我无法重现.从堆栈中，我可以了解到，对于我的不同布局资源，可能会发生这种错误.XML的种类也各不相同.
有人能解释为什么会发生这种错误吗？我能做些什么来解决这个问题？
堆栈
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com.fsp.android.f generated the following exception:
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.fsp.android.f/com.life360.android.ui.tour.TourActivity}: android.view.InflateException: Binary XML file line #12: Error inflating class <unknown>
--------- 堆栈 trace ---------
1. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2649)
2. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2674)
3. android.app.ActivityThread.access$2200(ActivityThread.java:131)
4. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1975)
5. android.os.Handler.dispatchMessage(Handler.java:99)
6. android.os.Looper.loop(Looper.java:123)
7. android.app.ActivityThread.main(ActivityThread.java:4702)
8. java.lang.reflect.Method.invokeNative(Native Method)
9. java.lang.reflect.Method.invoke(Method.java:521)
10. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
11. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
12. dalvik.system.NativeStart.main(Native Method)
-------------------------------
----------- Cause -----------
android.view.InflateException: Binary XML file line #12: Error inflating class <unknown>
1. android.view.LayoutInflater.createView(LayoutInflater.java:513)
2. com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
3. android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563)
4. android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
5. android.view.LayoutInflater.rInflate(LayoutInflater.java:621)
6. android.view.LayoutInflater.inflate(LayoutInflater.java:382)
7. android.view.LayoutInflater.inflate(LayoutInflater.java:320)
8. android.view.LayoutInflater.inflate(LayoutInflater.java:276)
9. com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:208)
10. android.app.Activity.setContentView(Activity.java:1629)
11. com.solvek.sample.ui.BaseActivity.onCreate(BaseActivity.java:23)
12. com.solvek.sample.ui.tour.TourActivity.onCreate(TourActivity.java:161)
13. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
14. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2587)
15. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2674)
16. android.app.ActivityThread.access$2200(ActivityThread.java:131)
17. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1975)
18. android.os.Handler.dispatchMessage(Handler.java:99)
19. android.os.Looper.loop(Looper.java:123)
20. android.app.ActivityThread.main(ActivityThread.java:4702)
21. java.lang.reflect.Method.invokeNative(Native Method)
22. java.lang.reflect.Method.invoke(Method.java:521)
23. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
24. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
25. dalvik.system.NativeStart.main(Native Method)
-----------------------------
-------- Environment --------
Time =2010-12-20 08:27:35 AM
Device =tmobile/htc_espresso/espresso/espresso:2.1-update1/ERE27/216830:user/release-keys
Make =HTC
Model =T-Mobile myTouch 3G Slide
Product =htc_espresso
App =com.fsp.android.f, version 2.0.9 (build 1232)
这是XML的一个结果，但在其他XML中也会发生这种错误
<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android">
<ViewFlipper android:layout_gravity="fill" android:id="@+id/flipper" android:layout_height="fill_parent" android:layout_width="fill_parent">
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_1"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_2"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_3"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_4"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_5"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_6"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_7"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_8"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_9"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_10"/>
<ImageView android:scaleType="fitXY" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/tour_11"/>
</ViewFlipper>
<LinearLayout android:id="@+id/exit_bar" android:layout_gravity="top" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@drawable/blue_bar" android:visibility="invisible">
<Button android:background="@drawable/orange_btn" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_gravity="center" android:textStyle="bold" android:textColor="#000000" android:shadowColor="#ffffff" android:shadowRadius="1.6" android:shadowDx="1.5" android:shadowDy="1.3" android:id="@+id/exit_tour_btn" android:text="Exit" android:layout_marginLeft="20dip"/>
<TextView android:layout_height="wrap_content" android:textColor="#ffffff" android:layout_gravity="center" android:layout_width="110dip" android:layout_marginLeft="20dip" android:textSize="16dip" android:textStyle="bold" android:text="Life360 Tour"/>
</LinearLayout>
<Button style="@style/BlueBtn" android:text="Continue" android:layout_marginTop="40dip" android:id="@+id/continue_btn" android:visibility="gone" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_gravity="center" />
<FrameLayout android:id="@+id/bottom_bar" android:layout_gravity="bottom" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@drawable/blue_bar" android:visibility="invisible">
<ImageView android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/left" android:layout_gravity="left|center" android:background="@drawable/tour_left" android:layout_marginLeft="10dip"/>
<ImageView android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/right" android:layout_gravity="right|center" android:background="@drawable/tour_right" android:layout_marginRight="10dip"/>
</FrameLayout>
</merge>