I was making an alarm app using flutter. I added the flutter package android_alarm_manager_plus.
I added the package and run the pub get and I got the the error below:
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http://schemas.android.com/sdk/android/repo/repository2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/02 to old ns http://schemas.android.com/sdk/android/repo/sys-img2/01
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:12: error: package io.flutter.embedding.engine does not exist
import io.flutter.embedding.engine.FlutterEngine;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:13: error: package io.flutter.embedding.engine.dart does not exist
import io.flutter.embedding.engine.dart.DartExecutor;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:14: error: package io.flutter.embedding.engine.dart.DartExecutor does not exist
import io.flutter.embedding.engine.dart.DartExecutor.DartCallback;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:15: error: package io.flutter.embedding.engine.plugins.shim does not exist
import io.flutter.embedding.engine.plugins.shim.ShimPluginRegistry;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:16: error: package io.flutter.plugin.common does not exist
import io.flutter.plugin.common.BinaryMessenger;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:17: error: package io.flutter.plugin.common does not exist
import io.flutter.plugin.common.JSONMethodCodec;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:18: error: package io.flutter.plugin.common does not exist
import io.flutter.plugin.common.MethodCall;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:19: error: package io.flutter.plugin.common does not exist
import io.flutter.plugin.common.MethodChannel;
^
C:\Users\user\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\android_alarm_manager_plus-2.0.3\android\src\main\java\dev\fluttercommunity\plus\androidalarmmanager\FlutterBackgroundExecutor.java:20: error: package io.flutter.plugin.common.MethodChannel does not exist
Full Error Log: https://pastebin.com/SsKqkfMe
I don't know what to do. Help me please.
Thank You very much