Android native code prompts error

[qinjinze]

This app is using a deprecated version of the Android embedding.
To avoid unexpected runtime failures, or future build failures, try to migrate this app to the V2 embedding.
Take a look at the docs for migrating an app: https://github.com/flutter/flutter/wiki/Upgrading-pre-1.12-Android-projects
Launching lib\main.dart on 5G in debug mode...
E:\flutter_app\example\move_to_background-master\android\src\main\java\com\sayegh\move_to_background\MoveToBackgroundPlugin.java:13: ����: [deprecation] PluginRegistry�е�Registrar�ѹ�ʱ
import io.flutter.plugin.common.PluginRegistry.Registrar;
^
E:\flutter_app\example\move_to_background-master\android\src\main\java\com\sayegh\move_to_background\MoveToBackgroundPlugin.java:24: ����: [deprecation] PluginRegistry�е�Registrar�ѹ�ʱ
public static void registerWith(Registrar registrar) {
^
2 ������
E:\flutter_app\example\move_to_background-master\example\android\app\src\main\java\com\sayegh\move_to_background_example\MainActivity.java:4: ����: [deprecation] io.flutter.app�е�FlutterActivity�ѹ�ʱ
import io.flutter.app.FlutterActivity;
^
E:\flutter_app\example\move_to_background-master\example\android\app\src\main\java\com\sayegh\move_to_background_example\MainActivity.java:7: ����: [deprecation] io.flutter.app�е�FlutterActivity�ѹ�ʱ
public class MainActivity extends FlutterActivity {
^
E:\flutter_app\example\move_to_background-master\example\android\app\src\main\java\io\flutter\plugins\GeneratedPluginRegistrant.java:14: ����: [deprecation] PluginRegistry�е�registrarFor(String)�ѹ�ʱ
MoveToBackgroundPlugin.registerWith(registry.registrarFor("com.sayegh.move_to_background.MoveToBackgroundPlugin"));
^
E:\flutter_app\example\move_to_background-master\example\android\app\src\main\java\io\flutter\plugins\GeneratedPluginRegistrant.java:19: ����: [deprecation] PluginRegistry�е�hasPlugin(String)�ѹ�ʱ
if (registry.hasPlugin(key)) {
^
E:\flutter_app\example\move_to_background-master\example\android\app\src\main\java\io\flutter\plugins\GeneratedPluginRegistrant.java:22: ����: [deprecation] PluginRegistry�е�registrarFor(String)�ѹ�ʱ
registry.registrarFor(key);
^
5 ������
Running Gradle task 'assembleDebug'... 19.9s
√ Built build\app\outputs\flutter-apk\app-debug.apk.
Installing build\app\outputs\flutter-apk\app.apk... 14.1s
Syncing files to device 5G... 98ms

Flutter run key commands.
r Hot reload.