title: "MissingPluginException(No implementation found for method getDatabasesPath on channel com.tekartik.sqflite)" when i use floor database
body: <p>I'm trying to use <a href="https://pub.dev/packages/floor" rel="noreferrer">floor</a> database but when i want to build database i got below <strong>error</strong> :</p>
  <pre><code>E/flutter (26007): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: MissingPluginException(No implementation found for method getDatabasesPath on channel com.tekartik.sqflite)
  E/flutter (26007): #0      MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:154:7)
  E/flutter (26007): &lt;asynchronous suspension&gt;
  E/flutter (26007): #1      MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:329:12)
  E/flutter (26007): #2      invokeMethod (package:sqflite/src/sqflite_impl.dart:17:13)
  E/flutter (26007): #3      SqfliteDatabaseFactoryImpl.invokeMethod (package:sqflite/src/factory_impl.dart:82:7)
  E/flutter (26007): #4      SqfliteDatabaseFactoryMixin.safeInvokeMethod.&lt;anonymous closure&gt; (package:sqflite_common/src/factory_mixin.dart:25:35)
  E/flutter (26007): #5      wrapDatabaseException (package:sqflite/src/exception_impl.dart:7:32)
  E/flutter (26007): #6      SqfliteDatabaseFactoryImpl.wrapDatabaseException (package:sqflite/src/factory_impl.dart:78:7)
  E/flutter (26007): #7      SqfliteDatabaseFactoryMixin.safeInvokeMethod (package:sqflite_common/src/factory_mixin.dart:25:7)
  E/flutter (26007): #8      SqfliteDatabaseFactoryMixin.getDatabasesPath (package:sqflite_common/src/factory_mixin.dart:143:26)
  E/flutter (26007): #9      getDatabasesPath (package:sqflite/sqflite.dart:168:54)
  E/flutter (26007): #10     DatabaseFactoryExtension.getDatabasePath (package:floor/src/sqflite_database_factory.dart:23:23)
  E/flutter (26007): #11     _$AppDatabaseBuilder.build (package:fluttermiwallet/db/database.g.dart:46:40)
  E/flutter (26007): #12     main (package:fluttermiwallet/main.dart:9:67)
  E/flutter (26007): #13     _runMainZoned.&lt;anonymous closure&gt;.&lt;anonymous closure&gt; (dart:ui/hooks.dart:241:25)
  E/flutter (26007): #14     _rootRun (dart:async/zone.dart:1184:13)
  E/flutter (26007): #15     _CustomZone.run (dart:async/zone.dart:1077:19)
  E/flutter (26007): #16     _runZoned (dart:async/zone.dart:1619:10)
  E/flutter (26007): #17     runZonedGuarded (dart:async/zone.dart:1608:12)
  E/flutter (26007): #18     _runMainZoned.&lt;anonymous closure&gt; (dart:ui/hooks.dart:233:5)
  E/flutter (26007): #19     _startIsolate.&lt;anonymous closure&gt; (dart:isolate-patch/isolate_patch.dart:301:19)
  E/flutter (26007): #20     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)
  
  </code></pre>
  <p><strong>my flutter version:</strong></p>
  <pre><code>Flutter 1.17.5 • channel stable • https://github.com/flutter/flutter.git
  Framework • revision 8af6b2f038 (13 days ago) • 2020-06-30 12:53:55 -0700
  Engine • revision ee76268252
  Tools • Dart 2.8.4
  </code></pre>
  <p><strong>the version of floor,floor_generator and build_runner are as below :</strong></p>
  <pre><code>environment:
    sdk: &quot;&gt;=2.7.0 &lt;3.0.0&quot;
  
  dependencies:
    flutter:
      sdk: flutter
    cupertino_icons: ^0.1.3
    floor: ^0.13.0
  
  dev_dependencies:
    flutter_test:
      sdk: flutter
    floor_generator: ^0.13.0
    build_runner: ^1.7.3
  
  </code></pre>
  <p>in the <strong>main.dart</strong> i build my database using $FloorAppDatabase :</p>
  <pre><code>void main() async {
    WidgetsFlutterBinding.ensureInitialized();
    var db = await $FloorAppDatabase.databaseBuilder('mydb.db').build();
    runApp(MyApp(db));
  }
  </code></pre>
  <p>and in the android folder <strong>GeneratedPluginRegistrant.java</strong>:</p>
  <pre><code>package io.flutter.plugins;
  
  import androidx.annotation.Keep;
  import androidx.annotation.NonNull;
  
  import io.flutter.embedding.engine.FlutterEngine;
  import io.flutter.embedding.engine.plugins.shim.ShimPluginRegistry;
  
  /**
   * Generated file. Do not edit.
   * This file is generated by the Flutter tool based on the
   * plugins that support the Android platform.
   */
  @Keep
  public final class GeneratedPluginRegistrant {
    public static void registerWith(@NonNull FlutterEngine flutterEngine) {
      ShimPluginRegistry shimPluginRegistry = new ShimPluginRegistry(flutterEngine);
        io.flutter.plugins.flutter_plugin_android_lifecycle.FlutterAndroidLifecyclePlugin.registerWith(shimPluginRegistry.registrarFor(&quot;io.flutter.plugins.flutter_plugin_android_lifecycle.FlutterAndroidLifecyclePlugin&quot;));
      flutterEngine.getPlugins().add(new io.flutter.plugins.imagepicker.ImagePickerPlugin());
      flutterEngine.getPlugins().add(new io.flutter.plugins.pathprovider.PathProviderPlugin());
      flutterEngine.getPlugins().add(new io.flutter.plugins.sharedpreferences.SharedPreferencesPlugin());
      flutterEngine.getPlugins().add(new com.tekartik.sqflite.SqflitePlugin());
    }
  }
  </code></pre>
  <p>and <strong>MainActivity.kt</strong>:</p>
  <pre><code>import android.os.Bundle
  import io.flutter.app.FlutterActivity
  import io.flutter.plugins.imagepicker.ImagePickerPlugin
  
  
  class MainActivity : FlutterActivity() {
      override fun onCreate(savedInstanceState: Bundle?) {
          super.onCreate(savedInstanceState)
          ImagePickerPlugin.registerWith(
                  registrarFor(&quot;io.flutter.plugins.imagepicker.ImagePickerPlugin&quot;))
  
      }
  
  }
  </code></pre>