title: Error using the RecyclerView: The specified child already has a parent
body: <p>I am trying to create a listView with a new RecyvlerView Adapter. I have followed the exact guide present on android developer resources. But this is giving me a strange error: <strong><em>The specified child already has a parent. You must call removeView() on the child's parent first.</em></strong>
  I have the latest SDK. I also define dependencies in gradle.</p>
  
  <p><em>MyActivity</em> (Main Activity):</p>
  
  <pre><code>public class MyActivity extends Activity {
  
      private RecyclerView mRecyclerView;
      private RecyclerView.Adapter mAdapter;
      private RecyclerView.LayoutManager mLayoutManager;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_my);
          mRecyclerView = (RecyclerView) findViewById(R.id.my_recycler_view);
  
          // use this setting to improve performance if you know that changes
          // in content do not change the layout size of the RecyclerView
          mRecyclerView.setHasFixedSize(true);
  
          // use a linear layout manager
          mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
          mRecyclerView.setItemAnimator(new DefaultItemAnimator());
  
          // specify an adapter (see also next example)
          mAdapter = new MyAdapter(new String[]{"Zain", "Nadeem"});
  
          mRecyclerView.setAdapter(mAdapter);
      }
  }
  </code></pre>
  
  <p>MyAdapter :</p>
  
  <pre><code>public class MyAdapter extends RecyclerView.Adapter&lt;MyAdapter.ViewHolder&gt; {
      private String[] mDataset;    
      // Provide a reference to the views for each data item
      // Complex data items may need more than one view per item, and
      // you provide access to all the views for a data item in a view holder
      // Provide a suitable constructor (depends on the kind of dataset)
      public MyAdapter(String[] myDataset) {
          mDataset = myDataset;
      }
  
      // Create new views (invoked by the layout manager)
      @Override
      public MyAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
          // create a new view
          LayoutInflater inflater = LayoutInflater.from(parent.getContext());  
  
          View v = inflater.inflate(R.layout.my_text_view, parent, true);
          ViewHolder vh = new ViewHolder(v);
          return vh;
      }
  
      // Replace the contents of a view (invoked by the layout manager)
      @Override
      public void onBindViewHolder(ViewHolder holder, int position) {
          // - get element from your dataset at this position
          // - replace the contents of the view with that element    
          holder.mTextView.setText(mDataset[position]);
      }
  
      // Return the size of your dataset (invoked by the layout manager)
      @Override
      public int getItemCount() {
          return mDataset.length;
      }
  
      public static class ViewHolder extends RecyclerView.ViewHolder {
          // each data item is just a string in this case
          public TextView mTextView;
          public ViewHolder(View v) {
              super(v);
              mTextView = (TextView) v.findViewById(R.id.item_title);
          }
      }
  }
  </code></pre>
  
  <p>my_text_view.xml (layout for list items):</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="fill_parent"
      android:layout_height="80dp"
  
      &gt;
      &lt;!-- title --&gt;
      &lt;TextView
          android:id="@+id/item_title"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:textColor="@android:color/darker_gray"
          android:layout_marginLeft="8dp"
          android:layout_marginRight="8dp"
          android:layout_marginTop="8dp"
          android:textSize="22dp" /&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>activity_my.xml (main activity):</p>
  
  <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:tools="http://schemas.android.com/tools"
      xmlns:card_view="http://schemas.android.com/apk/res-auto"
      android:layout_height="fill_parent"
      android:layout_width="fill_parent"
      android:background="@android:color/holo_orange_light"
      &gt;
      &lt;!-- A CardView that contains a TextView --&gt;
      &lt;android.support.v7.widget.RecyclerView
          android:id="@+id/my_recycler_view"
          android:scrollbars="vertical"
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          tools:context=".MyActivity"/&gt;
      &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>And here is the logcat output:</p>
  
  <pre><code>10-28 01:20:30.287  22729-22729/osman.zaingz.com.lollipop E/AndroidRuntime﹕ FATAL EXCEPTION: main
      Process: osman.zaingz.com.lollipop, PID: 22729
      java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
              at android.view.ViewGroup.addViewInner(ViewGroup.java:3562)
              at android.view.ViewGroup.addView(ViewGroup.java:3415)
              at android.view.ViewGroup.addView(ViewGroup.java:3360)
              at android.support.v7.widget.RecyclerView$4.addView(RecyclerView.java:322)
              at android.support.v7.widget.ChildHelper.addView(ChildHelper.java:79)
              at android.support.v7.widget.RecyclerView$LayoutManager.addViewInt(RecyclerView.java:4845)
              at android.support.v7.widget.RecyclerView$LayoutManager.addView(RecyclerView.java:4803)
              at android.support.v7.widget.RecyclerView$LayoutManager.addView(RecyclerView.java:4791)
              at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1316)
              at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1265)
              at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:522)
              at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:1918)
              at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:2155)
              at android.view.View.layout(View.java:14817)
              at android.view.ViewGroup.layout(ViewGroup.java:4631)
              at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)
              at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1660)
              at android.widget.LinearLayout.onLayout(LinearLayout.java:1436)
              at android.view.View.layout(View.java:14817)
              at android.view.ViewGroup.layout(ViewGroup.java:4631)
              at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
              at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
              at android.view.View.layout(View.java:14817)
              at android.view.ViewGroup.layout(ViewGroup.java:4631)
              at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:374)
              at android.view.View.layout(View.java:14817)
              at android.view.ViewGroup.layout(ViewGroup.java:4631)
              at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
              at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
              at android.view.View.layout(View.java:14817)
              at android.view.ViewGroup.layout(ViewGroup.java:4631)
              at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1983)
              at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1740)
              at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:996)
              at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5600)
              at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
              at android.view.Choreographer.doCallbacks(Choreographer.java:574)
              at android.view.Choreographer.doFrame(Choreographer.java:544)
              at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
              at android.os.Handler.handleCallback(Handler.java:733)
              at android.os.Handler.dispatchMessage(Handler.java:95)
              at android.os.Looper.loop(Looper.java:136)
              at android.app.ActivityThread.main(ActivityThread.java:5001)
              at java.lang.reflect.Method.invoke(Native Method)
              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
  </code></pre>