title: Error:Failed to resolve: com.android.support:design:25.4.0;Error:Failed to resolve: com.android.support:support-core-utils:25.4.0
body: <p>I'm learning Firebase and I've been stuck because of these following errors :</p>
  
  <pre><code>Error:Failed to resolve: com.android.support:customtabs:25.4.0
  Error:Failed to resolve: com.android.support.constraint:constraint-layout:1.1.0-beta1
  Error:Failed to resolve: com.android.support:design:25.4.0
  Error:Failed to resolve: com.android.support:support-core-utils:25.4.0
  Error:Failed to resolve: com.android.support:cardview-v7:25.4.0
  </code></pre>
  
  <p>The dependencies in my app/build.gradle file are these:</p>
  
  <pre><code>dependencies {
      compile fileTree(include: ['*.jar'], dir: 'libs')
      androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
          exclude group: 'com.android.support', module: 'support-annotations'
      })
      compile 'com.android.support:appcompat-v7:25.3.1'
      compile 'com.android.support:design:25.3.1'
      compile 'com.android.support.constraint:constraint-layout:1.0.2'
      //Firebase
      compile 'com.google.firebase:firebase-database:10.0.1'
      compile 'com.google.firebase:firebase-auth:11.0.2'
      compile 'com.firebaseui:firebase-ui-auth:2.1.1'
      testCompile 'junit:junit:4.12'    
  }
  </code></pre>
  
  <p>and for my build.gradle file outside the app folder</p>
  
  <pre><code>buildscript {
      repositories {
          jcenter()
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:2.3.3'
  
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
          classpath 'com.google.gms:google-services:3.0.0'
      }
  }
  
  allprojects {
      repositories {
          jcenter()
          maven {
              url "https://maven.google.com"
          }
      }
  }
  </code></pre>
  
  <p>I would like to ask if what is/are solution/s for these errors? 
  I've Been searching the net about the solutions for these errors but can't find one that can solve my problem.</p>