title: Unable to resolve target 'android-19'
body: <p>I want to work with Android API 19. I changed inside project.properties file <strong>target=android-19</strong>. In AndroidManifest.xml. I have this : </p>
  
  <pre><code>&lt;uses-sdk android:minSdkVersion="10" android:targetSdkVersion="19" /&gt;
  </code></pre>
  
  <p>But in project properties I have this : 
  <img src="https://i.stack.imgur.com/91Nzj.png" alt="enter image description here"></p>
  
  <p>How can I change API level to 19 there to get rid of the error in the title.
  Thanks.</p>