title: android in Camera how to set focusable Area in api 14 or greater
body: <p>i tried to add focusable area in <strong>"Camera.getParameters()"</strong> but don't reflect in Camera surface view.</p>
  
  <p>my code like this</p>
  
  <pre><code>Camera.Area area = new Area(new Rect(-500, -500, 500,500), 0);\\put 0 or max 1000 weight but not any changes.
  ArrayList&lt;Area&gt; listArea = new ArrayList&lt;Camera.Area&gt;();
  listArea.add(area);
  parameters.setFocusAreas(areas);
  camera.setParameters(parameters);
  </code></pre>
  
  <p>there are any problem in code or if this is wrong style to apply focusable then help me plz.. how perticular area can focus in camera view macro mode.</p>