title: Where to add Proguard Custom Rules?
body: <p>I am trying to add custom Proguard rules for my app, but I am not sure into which file I should add those custom rules. I know of three files </p>
  
  <pre><code>1)Android/sdk/tools/proguard/proguard-android.txt
  2)Android/sdk/tools/proguard/proguard-project.txt
  3)Project --&gt; app --&gt; proguard-rules.pro
  </code></pre>