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POjava.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams
 

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  1. POjava.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams
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    <p>Hello i'm just edited my XML, i'm put slide menu code in my XML, but it's error.</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;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" android:background="#ffffff" &gt; &lt;ListView android:id="@+id/menu_content_menulist" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="8dp" android:cacheColorHint="@android:color/transparent" android:divider="@null" android:listSelector="@null"/&gt; &lt;RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent"&gt; &lt;com.mozaik.tangsel.side_menu_scroll.ScrollerLinearLayout android:id="@+id/menu_content_side_slide_layout" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="verti_ &lt;LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/content_statis" android:orientation="vertical" android:background="@drawable/bg_app" &gt; &lt;include layout="@layout/layout_action_bar" /&gt; &lt;ScrollView android:id="@+id/SV" android:layout_width="fill_parent" android:layout_height="match_parent" android:fillViewport="true" &gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" &gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_margin="4dp" android:background="@drawable/inbox_interface" android:orientation="vertical" &gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" &gt; &lt;ImageView android:id="@+id/ImageMozaikTangsel" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_margin="10dip" /&gt; &lt;/LinearLayout&gt; &lt;LinearLayout android:id="@+id/tabMozaikTangselLayout" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" &gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;/ScrollView&gt; &lt;/LinearLayout&gt; &lt;/com.mozaik.tangsel.side_menu_scroll.ScrollerLinearLayout&gt; &lt;/RelativeLayout&gt; &lt;/RelativeLayout&gt; </code></pre> <h1>and this error in logcat</h1> <pre><code> 10-26 15:53:32.126: E/AndroidRuntime(10869): FATAL EXCEPTION: main 10-26 15:53:32.126: E/AndroidRuntime(10869): java.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.RelativeLayout$DependencyGraph.findRoots(RelativeLayout.java:1352) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.RelativeLayout$DependencyGraph.getSortedViews(RelativeLayout.java:1299) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.RelativeLayout.sortChildren(RelativeLayout.java:316) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:337) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.View.measure(View.java:15193) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4816) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.View.measure(View.java:15193) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4816) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1390) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.LinearLayout.measureVertical(LinearLayout.java:681) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.LinearLayout.onMeasure(LinearLayout.java:574) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.View.measure(View.java:15193) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4816) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 10-26 15:53:32.126: E/AndroidRuntime(10869): at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2217) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.View.measure(View.java:15193) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1850) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1102) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1275) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4216) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.Choreographer.doCallbacks(Choreographer.java:555) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.Choreographer.doFrame(Choreographer.java:525) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.os.Handler.handleCallback(Handler.java:615) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.os.Handler.dispatchMessage(Handler.java:92) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.os.Looper.loop(Looper.java:137) 10-26 15:53:32.126: E/AndroidRuntime(10869): at android.app.ActivityThread.main(ActivityThread.java:4794) 10-26 15:53:32.126: E/AndroidRuntime(10869): at java.lang.reflect.Method.invokeNative(Native Method) 10-26 15:53:32.126: E/AndroidRuntime(10869): at java.lang.reflect.Method.invoke(Method.java:511) 10-26 15:53:32.126: E/AndroidRuntime(10869): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789) 10-26 15:53:32.126: E/AndroidRuntime(10869): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556) 10-26 15:53:32.126: E/AndroidRuntime(10869): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>can you help me, how to fix it?</p>
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    1. PO
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    1. PTQuestion
    1. USBill the Lizard
    1. USbukanamay
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    1. PO
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    1. COLooks like you're modifying the `LayoutParams` in code. XML layout alone won't cause this. So, include relevant code in the question.
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      1. POjava.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams
      1. USlaalto
    2. COMake sure you import the correct LayoutParams.
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      1. POjava.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams
      1. USKalai.G
    3. COmy error solved with @kalyan pvs's answer, thank for you too :)
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      1. POjava.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams
      1. USbukanamay
 

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