title: No resource identifier found for attribute 'textcolor' in package 'android'
body: <p>I am getting constant error in main_activity.
      Error:-
      No resource identifier found for attribute 'textcolor' in package 'android'</p>
  
  <p>The code for main activity is this</p>
  
  <pre><code>    &lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;linearlayout android:layout_height="fill_parent" 
                android:layout_width="fill_parent" 
                android:orientation="vertical" 
                xmlns:android="http://schemas.android.com/apk/res/android"&gt;
  
      &lt;imageview android:id="@+id/imageView_pic" 
                 android:layout_gravity="center" 
                 android:layout_height="100dp" 
                 android:layout_width="100dp"&gt;
  
      &lt;button android:id="@+id/button_selectpic" 
              android:layout_height="wrap_content" 
              android:layout_width="match_parent" 
              android:text="Select Picture"&gt;
  
      &lt;/button&gt;&lt;button android:id="@+id/uploadButton" 
                       android:layout_height="wrap_content" 
                       android:layout_width="fill_parent" 
                       android:text="Click To Upload File"&gt;
  
     &lt;textview android:id="@+id/messageText" 
                android:layout_height="wrap_content" 
                android:layout_width="fill_parent" 
                android:text="" 
                android:textcolor="#000000" 
                android:textstyle="bold"&gt;
  
  
     &lt;/textview&gt;
  
  
  
  
  
   &lt;/button&gt;
  
   &lt;/imageview&gt;
  
   &lt;/linearlayout&gt;
  </code></pre>