title: Resource entry ic_launcher already defined
body: <p>can any body plz help he with this issue i want to use this library on my android studio project</p>
  
  <pre><code>https://github.com/daimajia/AndroidImageSlider
  </code></pre>
  
  <p>put when i put it in my gradle file it shows these errors</p>
  
  <pre><code>Information:Gradle tasks [:app:generateDebugSources]
  Information:res\drawable-mdpi-v4\ic_launcher.png:0: error: Resource entry ic_launcher is already defined.
  Information:res\drawable-mdpi\ic_launcher.png:0: Originally defined here.
  Information:res\drawable-xhdpi-v4\ic_launcher.png:0: error: Resource entry ic_launcher is already defined.
  Information:res\drawable-xhdpi\ic_launcher.png:0: Originally defined here.
  Information:res\drawable-xxhdpi-v4\ic_launcher.png:0: error: Resource entry ic_launcher is already defined.
  Information:res\drawable-xxhdpi\ic_launcher.png:0: Originally defined here.
  Information:1 error
  Information:0 warnings
  Information:See complete output in console
  Error:Execution failed for task ':app:processDebugResources'.
  &gt; com.android.ide.common.internal.LoggedErrorException: Failed to run command:
      C:\Users\Razi\AppData\Local\Android\android-studio\sdk\build-tools\19.1.0\aapt.exe package -f --no-crunch -I C:\Users\Razi\AppData\Local\Android\android-studio\sdk\platforms\android-19\android.jar -M C:\Users\Razi\AndroidStudioProjects\AllahNames\app\build\manifests\debug\AndroidManifest.xml -S C:\Users\Razi\AndroidStudioProjects\AllahNames\app\build\res\all\debug -A C:\Users\Razi\AndroidStudioProjects\AllahNames\app\build\assets\debug -m -J C:\Users\Razi\AndroidStudioProjects\AllahNames\app\build\source\r\debug -F C:\Users\Razi\AndroidStudioProjects\AllahNames\app\build\libs\app-debug.ap_ --debug-mode --custom-package com.ua.allahnames.app --output-text-symbols C:\Users\Razi\AndroidStudioProjects\AllahNames\app\build\symbols\debug
  Error Code:
      1
  Output:
      res\drawable-mdpi-v4\ic_launcher.png:0: error: Resource entry ic_launcher is already defined.
      res\drawable-mdpi\ic_launcher.png:0: Originally defined here.
      res\drawable-xhdpi-v4\ic_launcher.png:0: error: Resource entry ic_launcher is already defined.
      res\drawable-xhdpi\ic_launcher.png:0: Originally defined here.
      res\drawable-xxhdpi-v4\ic_launcher.png:0: error: Resource entry ic_launcher is already defined.
      res\drawable-xxhdpi\ic_launcher.png:0: Originally defined here.
  </code></pre>
  
  <p>ic_launcher already defined!
  What could be the error?
  I have tried to change build tools to 19.1.0 but I don't think it's an issue?</p>
  
  <p>here is my build.gradle code</p>
  
  <pre><code>dependencies {
      compile 'com.android.support:appcompat-v7:+'
      compile 'com.daimajia.slider:library:1.0.1@aar'
      compile fileTree(dir: 'libs', include: ['*.jar'])
  }
  </code></pre>