title: Failed to resolve: support-v4?
body: <p>I have following dependencies in build.gradel file.
  I am not using any kind of v4 library but ,
  still it's giving "Failed to resolve: support-v4" error while i build the gradle.</p>
  
  <p>I have already gone through these 2 links </p>
  
  <ol>
  <li><p><a href="https://stackoverflow.com/questions/45385199/failed-to-resolve-com-android-supportsupport-v426-0-0-and-other-similar-err">&quot;Failed to resolve: com.android.support:support-v4:26.0.0&quot; and other similar errors on Gradle sync</a></p></li>
  <li><p><a href="https://stackoverflow.com/questions/33185086/failed-to-resolve-com-android-supportsupport-v423-0-0">Failed to resolve: com.android.support:support-v4:23.0.0</a></p></li>
  </ol>
  
  <p>But can't find solution. </p>
  
  <p>Here i have attached project structure image.</p>
  
  <p><a href="https://i.stack.imgur.com/pxKD9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pxKD9.png" alt="enter image description here"></a></p>
  
  <pre><code>android {
  
  compileSdkVersion 26
  dataBinding.enabled = true
  defaultConfig {
      applicationId "XXX.XXXXXXX.XXXXXXXXXX"
      minSdkVersion 21
      targetSdkVersion 26
      versionCode 1
      versionName "1.0"
      testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
      multiDexEnabled true
  }
  
  
  
  dataBinding {
      enabled = true
  }
  
  buildTypes {
      release {
          minifyEnabled false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
  }
   }
  
  dependencies {
      repositories {
          maven { url "https://maven.google.com" }
      }
  
  implementation fileTree(dir: 'libs', include: ['*.jar'])
  androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
      exclude group: 'com.android.support', module: 'support-annotations'
  })
  
  
  //noinspection GradleCompatible
  implementation 'com.android.support:appcompat-v7:26.1.0'
  implementation "com.android.support:customtabs:26.1.0"
  implementation 'com.android.support.constraint:constraint- 
  layout:1.0.2'
  implementation 'com.android.support:design:26.+'
  implementation 'com.android.support:cardview-v7:26.+'
  implementation 'com.google.android.gms:play-services:10.2.1'
  implementation 'com.android.support:multidex:1.0.0'
  implementation 'com.google.firebase:firebase-messaging:10.2.1'
  testImplementation 'junit:junit:4.12'
  
  }
  apply plugin: 'com.google.gms.google-services'
  </code></pre>
  
  <p>Please help me to get solved this issue.
  Thanks in advance. </p>