FrameLayout.LayoutParams

Layout:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    >

     <FrameLayout android:id="@+id/preview_frame"
                  android:layout_width="match_parent"
                  android:layout_height="match_parent"
                  >
         <SurfaceView android:id="@+id/camera_preview"
                      android:layout_width="match_parent"
                      android:layout_height="match_parent"
                      />
     </FrameLayout>

</RelativeLayout>

ERROR:
01-22 11:06:13.774: E/AndroidRuntime(7064): FATAL EXCEPTION: main
01-22 11:06:13.774: E/AndroidRuntime(7064): java.lang.ClassCastException: android.widget.FrameLayout$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.widget.RelativeLayout$DependencyGraph.findRoots(RelativeLayout.java:1723)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.widget.RelativeLayout$DependencyGraph.getSortedViews(RelativeLayout.java:1670)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.widget.RelativeLayout.sortChildren(RelativeLayout.java:382)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:403)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.View.measure(View.java:15848)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.View.measure(View.java:15848)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at com.android.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:302)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.View.measure(View.java:15848)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2189)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.View.measure(View.java:15848)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1905)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1104)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1284)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.Choreographer.doCallbacks(Choreographer.java:562)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.Choreographer.doFrame(Choreographer.java:532)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.os.Handler.handleCallback(Handler.java:730)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.os.Handler.dispatchMessage(Handler.java:92)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.os.Looper.loop(Looper.java:137)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at android.app.ActivityThread.main(ActivityThread.java:5103)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at java.lang.reflect.Method.invokeNative(Native Method)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at java.lang.reflect.Method.invoke(Method.java:525)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
01-22 11:06:13.774: E/AndroidRuntime(7064):     at dalvik.system.NativeStart.main(Native Method)