title: Android Studio: Plugin with id 'com.android.application' not found
body: <p>out of the blue, I got this error that I can not find a way to fix. Plugin with id 'com.android.application' not found. If there are any more files that you guys need to see, feel free to ask me. Thank you!</p>
  
  <p>It's referring me to this file:</p>
  
  <p>Here is my build.gradle(Project OddJob):</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 28
      defaultConfig {
          applicationId "com.tamir.offen.actionbar"
          minSdkVersion 21
          targetSdkVersion 28
          versionCode 1
          versionName "1.0"
          testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  repositories {
      maven {
          url 'https://dl.bintray.com/spark/maven'
      }
  }
  configurations.all {
      resolutionStrategy {
          force 'com.android.support:support-annotations:23.1.1'
      }
  }
  
  dependencies {
      implementation  fileTree(dir: 'libs', include: ['*.jar'])
      implementation 'com.android.support:appcompat-v7:27.1.1'
      implementation 'com.android.support.constraint:constraint-layout:1.1.2'
      implementation 'com.google.android.gms:play-services-maps:15.0.1'
      implementation "com.google.android.gms:play-services-location:15.0.1"
      implementation 'com.android.support:support-v4:26.1.0'
      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 'me.spark:submitbutton:1.0.1'
      implementation 'com.wdullaer:materialdatetimepicker:3.1.3'
  
  // for the bottom nav bar:
  implementation 'com.android.support:design:27.1.1'
  }
  </code></pre>
  
  <p>Here is build.gradle(Module App):</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 28
      defaultConfig {
          applicationId "com.tamir.offen.actionbar"
          minSdkVersion 21
          targetSdkVersion 28
          versionCode 1
          versionName "1.0"
          testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      implementation  fileTree(dir: 'libs', include: ['*.jar'])
      implementation 'com.android.support:appcompat-v7:27.1.1'
      implementation 'com.android.support.constraint:constraint-layout:1.1.2'
      implementation 'com.google.android.gms:play-services-maps:15.0.1'
      implementation "com.google.android.gms:play-services-location:15.0.1"
      implementation 'com.android.support:support-v4:26.1.0'
      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 'me.spark:submitbutton:1.0.1'
      implementation 'com.wdullaer:materialdatetimepicker:3.1.3'
  
      // for the bottom nav bar:
      implementation 'com.android.support:design:27.1.1'
  }
  </code></pre>