title: Gradle - Error Could not find method implementation() for arguments [com.android.support:appcompat-v7:26.0.0]
body: <p>I am trying to open existing android project in android studio and it gradle cannot build the app without the error</p>
  
  <p>Error android studio keeps on throwing</p>
  
  <pre><code>Error:(74, 1) A problem occurred evaluating project ':app'.
  &gt; Could not find method implementation() for arguments 
  [com.android.support:appcompat-v7:26.0.0] on object of type 
  org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.
  </code></pre>
  
  <p>My Code in build.gradle Which can help to understand my issue
  My dependencies</p>
  
  <pre><code>dependencies {
  compile fileTree(include: ['*.jar'], dir: 'libs')
  
  // google &amp; support
  implementation "com.android.support:appcompat-v7:$supportVersion"
  implementation "com.android.support:cardview-v7:$supportVersion"
  implementation "com.android.support:recyclerview-v7:$supportVersion"
  implementation "com.android.support:design:$supportVersion"
  implementation "com.android.support:palette-v7:$supportVersion"
  implementation "com.android.support:customtabs:$supportVersion"
  implementation "com.android.support:support-v4:$supportVersion"
  implementation 'com.google.android.exoplayer:exoplayer:r2.0.4'
  
  // utils
  implementation 'com.github.bumptech.glide:glide:4.0.0'
  annotationProcessor 'com.github.bumptech.glide:compiler:4.0.0'
  implementation 'com.koushikdutta.ion:ion:2.1.7'
  implementation 'com.github.Commit451:bypasses:1.0.4'
  implementation 'com.jakewharton:butterknife:8.8.0'
  annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.0'
  implementation 'com.drewnoakes:metadata-extractor:2.9.1'
  implementation "com.orhanobut:hawk:2.0.1"
  
  }
  </code></pre>
  
  <p>Please help to solve the issue</p>