title: libpng error: Not a PNG file Error Showing In Android Studio
body: <p>I just Imported a project from <code>Eclipe to Android Studio</code>. Just a plain and simple project. But the project folder is showing one error . </p>
  
  <p>May I know what is the correct way to achieve my objective? I am new in Android-studio .Does any guys meet this issue?Any help would be greatly appreciated.</p>
  
  <p>Here is <code>Logcat</code> :</p>
  
  <pre><code>Execution failed for task ':app:mergeDebugResources'.
  &gt; Error: Failed to run command:
      /home/amiya/android-studio/sdk/build-tools/android-4.4.2/aapt s -i /home/amiya/vola/app/src/main/res/drawable-mdpi/call.png -o /home/amiya/vola/app/build/res/all/debug/drawable-mdpi/call.png
    Error Code:
      42
    Output:
      libpng error: Not a PNG file
  </code></pre>
  
  <p>Here is my <code>build.gradle</code></p>
  
  <pre><code> apply plugin: 'android'
  
  android {
  
  
      compileSdkVersion 19
      buildToolsVersion "19.0.3"
  
  
  
      defaultConfig {
          minSdkVersion 17
          targetSdkVersion 19
      }
  
  
      buildTypes {
          release {
              runProguard false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
          }
      }
  
  
  
  }
  
  dependencies {
      compile 'com.android.support:appcompat-v7:+'
      compile 'com.android.support:support-v4:+'
      compile 'com.google.android.gms:play-services:+'
      compile files('libs/google-play-services.jar')
      compile files('libs/livesdk.jar')
  }
  </code></pre>
  
  <p>I am not using this file anywhere in my project with that name !! There are many other png files in my project though.</p>