react-native-push-notification 无法在 android 中构建 [英] react-native-push-notification can not build in android

问题描述

我将在我的应用程序中使用 react-native-push-notification 作为通知，但是当我使用这个库时，它给了我这样的错误......

I'll be using react-native-push-notification for notifications in my app but when I use this library it gives me error like this.....

> Task :react-native-push-notification:compileDebugJavaWithJavac FAILED
E:\AndroidNotify\node_modules\react-native-push-notification\android\src\main\java\com\dieam\reactnativepushnotification\modules\RNPushNotificationHelper.java:7: error: cannot find symbol
import android.app.NotificationChannel;
                  ^
  symbol:   class NotificationChannel
  location: package android.app
E:\AndroidNotify\node_modules\react-native-push-notification\android\src\main\java\com\dieam\reactnativepushnotification\modules\RNPushNotificationHelper.java:480: error: cannot find symbol
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O)
                                                       ^
  symbol:   variable O
  location: class VERSION_CODES
E:\AndroidNotify\node_modules\react-native-push-notification\android\src\main\java\com\dieam\reactnativepushnotification\modules\RNPushNotificationHelper.java:488: error: cannot find symbol
        int importance = NotificationManager.IMPORTANCE_DEFAULT;
                                            ^
  symbol:   variable IMPORTANCE_DEFAULT
  location: class NotificationManager
E:\AndroidNotify\node_modules\react-native-push-notification\android\src\main\java\com\dieam\reactnativepushnotification\modules\RNPushNotificationHelper.java:489: error: cannot find symbol
        NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, name, importance);
        ^
  symbol:   class NotificationChannel
  location: class RNPushNotificationHelper
E:\AndroidNotify\node_modules\react-native-push-notification\android\src\main\java\com\dieam\reactnativepushnotification\modules\RNPushNotificationHelper.java:489: error: cannot find symbol
        NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, name, importance);
                                          ^
  symbol:   class NotificationChannel
  location: class RNPushNotificationHelper
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
5 errors

推荐答案

尝试在react-native-push-notification/android/build.gradle上升级这个依赖

Try to upgrade on react-native-push-notification/android/build.gradle this dependencies

• 定义 DEFAULT_COMPILE_SDK_VERSION = 26
• def DEFAULT_BUILD_TOOLS_VERSION = "26.1.0"
• 定义 DEFAULT_TARGET_SDK_VERSION = 23
• def DEFAULT_SUPPORT_LIB_VERSION = "26.1.0"
• def DEFAULT_GOOGLE_PLAY_SERVICES_VERSION = "+"
• def DEFAULT_FIREBASE_MESSAGING_VERSION = "+"

如果这对您有帮助，请告诉我

let me know if that helps you

RNPushNotifications android 出错

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