i am doing one application in android but i have one problem in layout file
i am doing by viewFliper
here is code
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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" >
<TextView
android:id="@+id/Quesiontext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="44dp"
android:text="@string/Question"
android:textSize="18sp" />
<RadioGroup
android:id="@+id/radioGroupOptions"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/Quesiontext"
android:layout_marginTop="30dp" >
<RadioButton
android:id="@+id/optionOne"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="false"
android:text="@string/option1" />
<RadioButton
android:id="@+id/optionTwo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/option2" />
<RadioButton
android:id="@+id/optionthree"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/option3" />
<RadioButton
android:id="@+id/optionFour"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/option4" />
</RadioGroup>
<TextView
android:id="@+id/corrertView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/radioGroupOptions"
android:layout_marginRight="48dp"
android:text="@string/correct" />
<Button
android:id="@+id/btnNext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/corrertView"
android:layout_below="@+id/corrertView"
android:layout_marginTop="42dp"
android:text="@string/Next"
android:textSize="16sp" />
<Button
android:id="@+id/Btnpervious"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/btnNext"
android:layout_alignBottom="@+id/btnNext"
android:layout_alignParentLeft="true"
android:text="@string/Pervious"
android:textSize="16sp" />
<RelativeLayout
android:id="@id/layout"//error
android:layout_width="match_parent"
android:layout_height="match_parent">
<ViewFlipper
android:id="@+id/ViewFlipper01"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
</RelativeLayout>
</RelativeLayout>
i didnt get it that how i put another button into ViewFliper ..its confusion and generating error...