title: Android Studio: “libpng warning: iCCP: Not recognizing known sRGB profile that has been edited”
body: <p>I have upgrade gradle from :</p>
  
  <pre><code>dependencies {
          classpath 'com.android.tools.build:gradle:1.3.1'
      }
  </code></pre>
  
  <p>to :</p>
  
  <pre><code>dependencies {
          classpath 'com.android.tools.build:gradle:1.4.0-beta3'
      }
  </code></pre>
  
  <p>but I getting error :</p>
  
  <pre><code>AAPT err(Facade for 1057495093): E:\android_studio_workspace\P2JN\p2jn\src\main\res\drawable-mdpi\reload_data.png: libpng warning: iCCP: Not recognizing known sRGB profile that has been edited
  AAPT err(Facade for 1057495093): E:\android_studio_workspace\P2JN\p2jn\src\main\res\drawable\teamwork.png: libpng warning: iCCP: Not recognizing known sRGB profile that has been edited
  AAPT err(Facade for 2049818754): E:\android_studio_workspace\P2JN\p2jn\src\main\res\drawable-hdpi\ic_action_update.png: libpng warning: iCCP: Not recognizing known sRGB profile that has been edited
  AAPT err(Facade for 2049818754): E:\android_studio_workspace\P2JN\p2jn\src\main\res\drawable-ldpi\reload_data.png: libpng warning: iCCP: Not recognizing known sRGB profile that has been edited
  AAPT err(Facade for 2049818754): E:\android_studio_workspace\P2JN\p2jn\src\main\res\drawable\get_started.png: libpng warning: iCCP: Not recognizing known sRGB profile that has been edited
  </code></pre>
  
  <p><strong>edited</strong> buildToolsVersion on my gradle project:</p>
  
  <pre><code>buildToolsVersion "23.0.1"
  </code></pre>
  
  <p>so how to fix it ?</p>