title: My first app. Error: Invalid start tag LinearLayout. Why?
body: <p>It was working perfectly but then I made some minor edits and now it isn't working... Here's the main layout xml file... It gives an error in line 3.</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:orientation="horizontal"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"&gt;
  
      &lt;LinearLayout
          android:layout_width="0dip"
          android:layout_height="fill_parent"
          android:orientation="vertical"
          android:layout_weight="6"&gt;
  
          &lt;TextView
              android:layout_width="fill_parent"
              android:layout_height="0dip"
              android:layout_weight="2"
              android:background="#FFFF00"
              android:text="@string/yellow"
              android:textColor="#FFFFFF"
              android:gravity="center_horizontal"
              /&gt;
          &lt;TextView
              android:layout_width="fill_parent"
              android:layout_height="0dip"
              android:layout_weight="1"
              android:background="#FFFFFF"
              android:text="@string/helo"
              android:textColor="#000000"
              android:gravity="center_horizontal"
              /&gt;
          &lt;TextView
              android:layout_width="fill_parent"
              android:layout_height="0dip"
              android:layout_weight="1"
              android:background="#FFFF00"
              android:text="@string/yellow"
              android:textColor="#FFFFFF"
              android:gravity="center_horizontal"
              /&gt;
  
      &lt;/LinearLayout&gt;
      &lt;LinearLayout
          android:layout_width="0dip"
          android:layout_height="fill_parent"
          android:orientation="vertical"
          android:layout_weight="4"&gt;
  
          &lt;TextView
              android:layout_width="fill_parent"
              android:layout_height="0dip"
              android:text="@string/blue"
              android:layout_weight="3"
              android:textColor="#FFFFFF"
              android:background="#0000FF" /&gt;
  
          &lt;TextView
              android:background="#FFFFFF"
              android:text="@string/helo"
              android:layout_width="fill_parent"
              android:layout_height="0dip"
              android:textColor="#000000"
              android:layout_weight="1" /&gt;
  
          &lt;TextView
              android:layout_width="fill_parent"
              android:layout_height="0dp"
              android:layout_weight="1"
              android:textColor="#FFFFFF"
              android:text="@string/yellow"
              android:background="#FFFF00" /&gt;
  
          &lt;TextView
              android:layout_width="fill_parent"
              android:layout_height="0dp"
              android:layout_weight="1"
              android:text="@string/blue"
              android:background="#0000FF"
              android:textColor="#FFFFFF" /&gt;
      &lt;/LinearLayout&gt;
  &lt;/LinearLayout&gt;
  </code></pre>