title: Android development. CardView not working?
body: <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:orientation="vertical" android:layout_width="match_parent"
      android:background="#F3F3F3F3"
      android:layout_height="wrap_content"&gt;
  
      &lt;android.support.v7.widget.CardView
          xmlns:card_view="http://schemas.android.com/apk/res-auto"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"&gt;
  
          &lt;TextView
              android:id="@+id/dersName"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:layout_marginLeft="10dp"
              android:layout_marginTop="10dp"
              android:layout_marginRight="10dp"/&gt;
  
      &lt;/android.support.v7.widget.CardView&gt;
  
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/rhT2G.png" rel="nofollow noreferrer">Unfortunately,ProjectTry has stopped</a></p>
  
  <p>Also I added  this code </p>
  
  <pre><code>implementation 'com.android.support:recyclerview-v7:28.0.0'
  //noinspection GradleCompatible
  implementation 'com.android.support:cardview-v7:28.0.0'
  </code></pre>
  
  <p><strong>compilation was successfull but, it gives me Unfortunately ProjectTry has stopped</strong>
  <em>How can i overcome this problem?</em> When I type