title: How do I add appcompat-v7:27.0.1 to SDK?
body: <p>I have this error: <a href="https://i.stack.imgur.com/cs0Tm.png" rel="nofollow noreferrer">Error</a></p>
  
  <p>I think its happening because my SDK hasn't appcompat-v7:27.0.1 version. I dont know how add this version to my SDK. I need help!</p>
  
  <p><a href="https://i.stack.imgur.com/sTlu6.png" rel="nofollow noreferrer">My appcompat-v7 folder</a></p>
  
  <p>I paste relevant code below. If you see the error elsewhere, tell me please!:</p>
  
  <p>/app/build.gradle</p>
  
  <pre><code>  android {
        compileSdkVersion 23
        buildToolsVersion "23.0.1"
  
        defaultConfig {
            applicationId "com.reactnavigationdrawer"
            minSdkVersion 16
            targetSdkVersion 22
            versionCode 1
            versionName "1.0"
            ndk {
                abiFilters "armeabi-v7a", "x86"
            }
        }
        ...
   }
    dependencies {
        compile project(':react-native-vector-icons')
        compile fileTree(dir: "libs", include: ["*.jar"])
        compile "com.android.support:appcompat-v7:27.0.1"
        compile "com.facebook.react:react-native:+"  // From node_modules
        compile 'com.facebook.android:facebook-android-sdk:+'
    }
  </code></pre>
  
  <p>build.gradle</p>
  
  <pre><code>  buildscript {
        repositories {
            jcenter()
        }
        dependencies {
            classpath 'com.android.tools.build:gradle:2.2.3'
  
            // NOTE: Do not place your application dependencies here; they belong
            // in the individual module build.gradle files
        }
    }
  
    allprojects {
        repositories {
            mavenLocal()
            jcenter()
            mavenCentral()
            maven {
                // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
                url "$rootDir/../node_modules/react-native/android"
            }
        }
    }
  </code></pre>