如果该编码停止运行,应用程序会停止运行并向我显示此部分有问题,我可以知道是什么问题。请帮助谢谢
错误
E/AndroidRuntime: FATAL EXCEPTION: Firebase-MyFirebaseMessaging
Process: com.example.mychat, PID: 6510
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
at com.example.mychat.Notifications.MyFirebaseMessaging.onMessageReceived(MyFirebaseMessaging.java:32)
at com.google.firebase.messaging.FirebaseMessagingService.zzd(Unknown Source:60)
at com.google.firebase.iid.zzg.run(Unknown Source:4)
at java.util.concurrent.ThreadPoolExecutor.processTask(ThreadPoolExecutor.java:1187)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at com.google.android.gms.common.util.concurrent.zza.run(Unknown Source:7)
at java.lang.Thread.run(Thread.java:784)
代码
@Override
public void onMessageReceived(RemoteMessage remoteMessage){
super.onMessageReceived(remoteMessage);
String sented = remoteMessage.getData().get("sented");
FirebaseUser firebaseUser = FirebaseAuth.getInstance().getCurrentUser();
if (firebaseUser != null && sented.equals(firebaseUser.getUid())){
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O){
sendOreoNotification(remoteMessage);
}else {
sendNotification(remoteMessage);
}
}
}
override fun onMessageReceived(remoteMessage: RemoteMessage) {
Log.d(TAG, "From: " + remoteMessage!!.from!!)
if (remoteMessage.data.isNotEmpty()) {
Log.d(TAG, "Message data payload: " + remoteMessage.data)
val jObj = JSONObject(remoteMessage.data)
try {
msg = jObj.optString("msg")
type = jObj.optString("type")
title = jObj.optString("title")
createNotificationData()
} catch (e: JSONException) {
e.printStackTrace()
}