title: "RNCSafeAreaView" was not found in the UIManager
body: <p>I try to open a bundle, but when the android is running it shows the next message </p>
  
  <blockquote>
    <p>2020-01-05 23:15:45.366 26210-26210/com.note.principal
    W/.note.principa: Accessing hidden field
    Landroid/view/View;->mAccessibilityDelegate:Landroid/view/View$AccessibilityDelegate;
    (light greylist, reflection) 2020-01-05 23:15:45.470
    26210-26242/com.note.principal E/ReactNativeJS: Invariant Violation:
    requireNativeComponent: "RNCSafeAreaView" was not found in the
    UIManager.</p>
  
  <pre><code>This error is located at:
      in RNCSafeAreaView
      in Unknown
      in Unknown
      in n
      in Unknown
      in Unknown
      in C
      in P
      in u
      in RCTView
      in RCTView
      in h 2020-01-05 23:15:45.494 26210-26242/com.note.principal E/ReactNativeJS: Invariant Violation: requireNativeComponent:
  </code></pre>
    
    <p>"RNCSafeAreaView" was not found in the UIManager.</p>
  
  <pre><code>This error is located at:
      in P
      in u
      in RCTView
      in RCTView
      in h 2020-01-05 23:15:45.502 26210-26242/com.note.principal E/ReactNativeJS: Invariant Violation: requireNativeComponent:
  </code></pre>
    
    <p>"RNCSafeAreaView" was not found in the UIManager.</p>
  
  <pre><code>This error is located at:
      in P
      in u
      in RCTView
      in RCTView
      in h 2020-01-05 23:15:45.794 26210-26244/com.note.principal E/unknown:ReactNative: Invariant Violation: requireNativeComponent:
  </code></pre>
    
    <p>"RNCSafeAreaView" was not found in the UIManager.</p>
  
  <pre><code>This error is located at:
      in RNCSafeAreaView
      in Unknown
      in Unknown
      in n
      in Unknown
      in Unknown
      in C
      in P
      in u
      in RCTView
      in RCTView
      in h, stack:
  exports@175:1634
  get@163:682
  Al@89:70673
  Ml@89:70108
  Ul@89:67144
  Ul@-1
  Pl@89:65839
  Pl@-1
  &lt;unknown&gt;@89:25495
  unstable_runWithPriority@168:3915
  sn@89:25442
  cn@89:25377
  kl@89:64831
  la@89:87813
  render@89:90592
  exports@342:541
  run@334:1305
  runApplication@334:2287
  value@25:3685
  &lt;unknown&gt;@25:841
  value@25:2939
  value@25:813
  value@-1 2020-01-05 23:15:45.832 26210-26244/com.note.principal E/unknown:ReactNative: Invariant Violation: requireNativeComponent:
  </code></pre>
    
    <p>"RNCSafeAreaView" was not found in the UIManager.</p>
  
  <pre><code>This error is located at:
      in P
      in u
      in RCTView
      in RCTView
      in h, stack:
  exports@175:1634
  get@163:682
  Al@89:70673
  Ml@89:70108
  Ul@89:67144
  Ul@-1
  Pl@89:65839
  Pl@-1
  &lt;unknown&gt;@89:25495
  unstable_runWithPriority@168:3915
  sn@89:25442
  cn@89:25377
  kl@89:64831
  la@89:87813
  render@89:90592
  exports@342:541
  run@334:1305
  runApplication@334:2287
  value@25:3685
  &lt;unknown&gt;@25:841
  value@25:2939
  value@25:813
  value@-1 2020-01-05 23:15:45.856 26210-26244/com.note.principal E/AndroidRuntime: FATAL EXCEPTION: mqt_native_modules
  Process: com.note.principal, PID: 26210
  com.facebook.react.common.JavascriptException: Invariant Violation: requireNativeComponent: "RNCSafeAreaView" was not found in
  </code></pre>
    
    <p>the UIManager.</p>
  
  <pre><code>This error is located at:
      in P
      in u
      in RCTView
      in RCTView
      in h, stack:
  exports@175:1634
  get@163:682
  Al@89:70673
  Ml@89:70108
  Ul@89:67144
  Ul@-1
  Pl@89:65839
  Pl@-1
  &lt;unknown&gt;@89:25495
  unstable_runWithPriority@168:3915
  sn@89:25442
  cn@89:25377
  kl@89:64831
  la@89:87813
  render@89:90592
  exports@342:541
  run@334:1305
  runApplication@334:2287
  value@25:3685
  &lt;unknown&gt;@25:841
  value@25:2939
  value@25:813
  value@-1
  
      at com.facebook.react.modules.core.ExceptionsManagerModule.reportException(ExceptionsManagerModule.java:71)
      at java.lang.reflect.Method.invoke(Native Method)
      at com.facebook.react.bridge.JavaMethodWrapper.invoke(JavaMethodWrapper.java:371)
      at com.facebook.react.bridge.JavaModuleWrapper.invoke(JavaModuleWrapper.java:150)
      at com.facebook.react.bridge.queue.NativeRunnable.run(Native Method)
      at android.os.Handler.handleCallback(Handler.java:873)
      at android.os.Handler.dispatchMessage(Handler.java:99)
      at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:26)
      at android.os.Looper.loop(Looper.java:193)
      at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:225)
      at java.lang.Thread.run(Thread.java:764) 2020-01-05 23:15:45.862 26210-26244/com.note.principal I/Process: Sending signal.
  </code></pre>
    
    <p>PID: 26210 SIG: 9</p>
  </blockquote>
  
  <p>The package of project is </p>
  
  <pre><code>{
    "name": "Notes",
    "version": "0.0.1",
    "private": true,
    "scripts": {
      "android": "react-native run-android",
      "ios": "react-native run-ios",
      "start": "react-native start",
      "bundle_android": "react-native bundle --entry-file index.js --platform android --dev false --bundle-output ./bundles/android/index.android.bundle",
      "bundle_ios": "react-native bundle --entry-file index.js --platform ios --dev false --bundle-output ./bundles/ios/main.jsbundle",
      "test": "jest",
      "lint": "eslint ."
    },
    "dependencies": {
      "@react-native-community/masked-view": "^0.1.5",
      "prop-types": "^15.7.2",
      "react": "16.9.0",
      "react-native": "0.61.5",
      "react-native-gesture-handler": "^1.5.3",
      "react-native-linear-gradient": "^2.5.6",
      "react-native-safe-area-context": "^0.6.2",
      "react-navigation": "^4.0.10",
      "react-navigation-stack": "^2.0.8"
    },
    "devDependencies": {
      "@babel/core": "^7.7.7",
      "@babel/runtime": "^7.7.7",
      "@react-native-community/eslint-config": "^0.0.6",
      "babel-jest": "^24.9.0",
      "eslint": "^6.8.0",
      "jest": "^24.9.0",
      "metro-react-native-babel-preset": "^0.57.0",
      "react-test-renderer": "16.9.0"
    },
    "jest": {
      "preset": "react-native"
    }
  }
  </code></pre>
  
  <p>The project of gradle</p>
  
  <pre><code>include ':app'
  rootProject.name='Notes'
  
  
  include ':hermes-engine'
  project(':hermes-engine').projectDir = new File(rootProject.projectDir, '../node_modules/hermes-engine/android/')
  
  include ':react-native-gesture-handler'
  project(':react-native-gesture-handler').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-gesture-handler/android')
  
  include ':react-native-linear-gradient'
  project(':react-native-linear-gradient').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-linear-gradient/android')
  
  
  
  // Top-level build file where you can add configuration options common to all sub-projects/modules.
  
  buildscript {
      ext.kotlin_version = '1.3.50'
      repositories {
          google()
          jcenter()
          mavenLocal()
  
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:3.4.2'
          classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  
  allprojects {
      repositories {
          google()
          jcenter()
          mavenLocal()
          maven {
              // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
              url "$rootDir/../node_modules/react-native/android"
          }
          maven {
              // Android JSC is installed from npm
              url("$rootDir/../node_modules/jsc-android/dist")
          }
      }
  }
  
  task clean(type: Delete) {
      delete rootProject.buildDir
  }
  
  
  
  
  apply plugin: 'com.android.application'
  
  apply plugin: 'kotlin-android'
  
  apply plugin: 'kotlin-android-extensions'
  
  android {
      compileSdkVersion 28
      buildToolsVersion "28.0.3"
      defaultConfig {
          applicationId ""
          minSdkVersion 21
          targetSdkVersion 28
          versionCode 1
          versionName "1.0"
          testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  project.ext.react = [
          enableHermes: false,
  ]
  
  def jscFlavor = 'org.webkit:android-jsc:+'
  def enableHermes = project.ext.react.get("enableHermes", false)
  
  dependencies {
      implementation fileTree(dir: 'libs', include: ['*.jar'])
      implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
      implementation 'com.android.support:appcompat-v7:28.0.0'
      implementation 'com.android.support.constraint:constraint-layout:1.1.3'
      testImplementation 'junit:junit:4.12'
      androidTestImplementation 'com.android.support.test:runner:1.0.2'
      androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
      implementation "com.facebook.react:react-native:+"
      implementation 'com.android.support:support-annotations:27.1.1'
      implementation project(':react-native-gesture-handler')
      implementation project(':react-native-linear-gradient')
  
      if (enableHermes) {
          implementation project(':hermes-engine')
          debugImplementation files(hermesPath + "hermes-debug.aar")
          releaseImplementation files(hermesPath + "hermes-release.aar")
      } else {
          implementation jscFlavor
      }
  }
  </code></pre>
  
  <p>This is the code of activity</p>
  
  <pre><code>package com.note
  
  import android.content.Intent
  import android.net.Uri
  import android.os.Build
  import android.os.Bundle
  import android.provider.Settings
  import android.util.Log
  import androidx.appcompat.app.AppCompatActivity
  import com.facebook.react.ReactInstanceManager
  import com.facebook.react.ReactRootView
  import com.facebook.react.common.LifecycleState
  import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler
  import com.facebook.react.shell.MainReactPackage
  import com.facebook.soloader.SoLoader
  import com.swmansion.gesturehandler.react.RNGestureHandlerPackage
  import com.BV.LinearGradient.LinearGradientPackage
  
  class ReactActivity : AppCompatActivity(), DefaultHardwareBackBtnHandler {
  
      private val OVERLAY_PERMISSION_REQ_CODE = 1
  
      private lateinit var mReactRootView: ReactRootView
      private lateinit var mReactInstanceManager: ReactInstanceManager
  
      override fun onCreate(savedInstanceState: Bundle?) {
          super.onCreate(savedInstanceState)
          SoLoader.init(this, false)
          mReactRootView = ReactRootView(this)
          mReactInstanceManager = ReactInstanceManager.builder()
              .setApplication(application)
              .setCurrentActivity(this)
              .setApplication(application)
              .setBundleAssetName("aaaaaa.android.bundle")
              .addPackage(MainReactPackage())
              .addPackage(RNGestureHandlerPackage())
              .addPackage(LinearGradientPackage())
              .setInitialLifecycleState(LifecycleState.RESUMED)
              .build()
          // The string here (e.g. "MyReactNativeApp") has to match
          // the string in AppRegistry.registerComponent() in index.js
          mReactRootView.startReactApplication(mReactInstanceManager, "Notes", null)
  
          setContentView(mReactRootView)
  
          if (Build.VERSION.SDK_INT &gt;= Build.VERSION_CODES.M) {
              if (!Settings.canDrawOverlays(this)) {
                  val intent = Intent(
                          Settings.ACTION_MANAGE_OVERLAY_PERMISSION,
                          Uri.parse("package:$packageName")
                  )
                  startActivityForResult(intent, OVERLAY_PERMISSION_REQ_CODE)
              }
          }
      }
  
      override fun invokeDefaultOnBackPressed() {
          super.onBackPressed()
      }
  
      override fun onBackPressed() {
          if (mReactInstanceManager != null) {
              mReactInstanceManager.onBackPressed()
          } else {
              super.onBackPressed()
          }
      }
  
      override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
          if (requestCode == OVERLAY_PERMISSION_REQ_CODE) {
              if (Build.VERSION.SDK_INT &gt;= Build.VERSION_CODES.M) {
                  if (!Settings.canDrawOverlays(this)) {
                      // SYSTEM_ALERT_WINDOW permission not granted
                  }
              }
          }
          mReactInstanceManager?.onActivityResult(this,requestCode, resultCode, data)
      }
  }
  </code></pre>
  
  <p>someone knows what is the solution?</p>