我正在创建应用程序的最后一点，但我遇到了一个似乎无法修复的错误。堆栈跟踪是：
06-16 20:58:21.568: W/dalvikvm(10648): threadid=1: thread exiting with uncaught exception (group=0x40a71930)
06-16 20:58:21.608: E/AndroidRuntime(10648): FATAL EXCEPTION: main
06-16 20:58:21.608: E/AndroidRuntime(10648): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.unrealonline.timesheet/com.unrealonline.timesheet.MainActivity}: android.view.InflateException: Binary XML file line #1: Error inflating class frameLayout
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.ActivityThread.access$600(ActivityThread.java:141)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.os.Handler.dispatchMessage(Handler.java:99)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.os.Looper.loop(Looper.java:137)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.ActivityThread.main(ActivityThread.java:5041)
06-16 20:58:21.608: E/AndroidRuntime(10648): at java.lang.reflect.Method.invokeNative(Native Method)
06-16 20:58:21.608: E/AndroidRuntime(10648): at java.lang.reflect.Method.invoke(Method.java:511)
06-16 20:58:21.608: E/AndroidRuntime(10648): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
06-16 20:58:21.608: E/AndroidRuntime(10648): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
06-16 20:58:21.608: E/AndroidRuntime(10648): at dalvik.system.NativeStart.main(Native Method)
06-16 20:58:21.608: E/AndroidRuntime(10648): Caused by: android.view.InflateException: Binary XML file line #1: Error inflating class frameLayout
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:698)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
06-16 20:58:21.608: E/AndroidRuntime(10648): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:270)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.Activity.setContentView(Activity.java:1881)
06-16 20:58:21.608: E/AndroidRuntime(10648): at com.unrealonline.timesheet.MainActivity.onCreate(MainActivity.java:24)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.Activity.performCreate(Activity.java:5104)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
06-16 20:58:21.608: E/AndroidRuntime(10648): ... 11 more
06-16 20:58:21.608: E/AndroidRuntime(10648): Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.frameLayout" on path: /data/app/com.unrealonline.timesheet-1.apk
06-16 20:58:21.608: E/AndroidRuntime(10648): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
06-16 20:58:21.608: E/AndroidRuntime(10648): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
06-16 20:58:21.608: E/AndroidRuntime(10648): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.createView(LayoutInflater.java:552)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.onCreateView(LayoutInflater.java:643)
06-16 20:58:21.608: E/AndroidRuntime(10648): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:66)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)
06-16 20:58:21.608: E/AndroidRuntime(10648): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
06-16 20:58:21.608: E/AndroidRuntime(10648): ... 20 more
我的 main.xml 是
<frameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:id="@+id/layout1"
tools:context=".MainActivity" >
<EditText
android:id="@+id/username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:ems="10"
android:hint="@string/hints_username"
android:inputType="textNoSuggestions"
android:textAllCaps="false" />
<EditText
android:id="@+id/password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@+id/username"
android:ems="10"
android:hint="@string/hints_password"
android:inputType="textPassword" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@+id/password"
android:text="@string/buttons_text_login" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:id="@+id/layout2"
tools:context=".MainActivity" >
<Button
android:id="@+id/clockin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:text="@string/buttons_text_checkin" />
<Button
android:id="@+id/clockout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@+id/clockin"
android:text="@string/buttons_text_checkout" />
</RelativeLayout>
</frameLayout>
我已经尝试过诸如“清理项目”之类的建议，但它们似乎不起作用。我似乎无法弄清楚它有什么问题。
如果您需要任何其他详细信息，请随时询问。