title: react native build error: package android.support.annotation does not exist import android.support.annotation.Nullable ^
body: <p>I'm trying to make build of my app but getting error
  package android.support.annotation does not exist import android.support.annotation.Nullable. I just got that error but it's working fine few hours ago</p>
  <p>in that file</p>
  <pre><code>package com.gettipsi.stripe;
  
  import android.app.Activity;
  import android.os.Bundle;
  import android.support.annotation.Nullable;
  import android.util.Log;
  
  /**
   * Created by remer on 11/8/17.
   */
  
  public class RedirectUriReceiver extends Activity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
  
      if (StripeModule.getInstance() == null) {
        sendResult(RESULT_CANCELED);
      }
  
      StripeModule.getInstance().processRedirect(getIntent().getData());
      sendResult(RESULT_OK);
    }
  
    private void sendResult(int resultCode) {
      setResult(resultCode);
      finish();
    }
  }
  
  </code></pre>
  <p>builde.gralde file</p>
  <pre><code>// Top-level build file where you can add configuration options common to all sub-projects/modules.
  
  buildscript {
      ext {
          buildToolsVersion = &quot;29.0.2&quot;
          minSdkVersion = 19
          compileSdkVersion = 29
          targetSdkVersion = 29
          kotlinVersion = &quot;1.3.72&quot;
          RNNKotlinVersion = kotlinVersion
      }
      repositories {
          google()
          jcenter()
          mavenLocal()
          mavenCentral()
      }
      dependencies {
          classpath(&quot;com.android.tools.build:gradle:4.0.1&quot;)
          classpath(&quot;org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion&quot;)
          classpath 'com.google.gms:google-services:4.3.5'
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  
  allprojects {
      repositories {
          mavenLocal()
          maven {
              // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
              url(&quot;$rootDir/../node_modules/react-native/android&quot;)
          }
          maven {
              // Android JSC is installed from npm
              url(&quot;$rootDir/../node_modules/jsc-android/dist&quot;)
          }
  
          google()
          jcenter()
          maven { url 'https://www.jitpack.io' }
      }
  }
  // task wrapper(type: Wrapper) {
  //    gradleVersion = '2.0' //version required
  // }
  </code></pre>
  <p>it's working fine few hours ago but why I'm getting that error now. Anyone know why?</p>