Bad notification for startForeground: java.lang.RuntimeException: invalid channel for service

Android 8.0 通过startService开启服务引起crash问题
解决方法：

Intent intent = new Intent(this, ForegroundService.class);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
startForegroundService(intent);
} else {
startService(intent);
}

/**
* @author：jhonjson
* @date：2019/9/28 17:56 AM
* @describe：前台进程 作用保活
*/
public class ForegroundService extends Service {
private static final String TAG = ForegroundService.class.getSimpleName();
private NotificationManager notificationManager;
private String notificationId = "channel_Id";
private String notificationName = "channel_Name";
@Override
public void onCreate() {
super.onCreate();
Log.d(TAG, "onCreate()");
notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
//创建NotificationChannel
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
NotificationChannel channel = new NotificationChannel(notificationId, notificationName, NotificationManager.IMPORTANCE_HIGH);
notificationManager.createNotificationChannel(channel);
}
startForeground(1, getNotification());
}
private Notification getNotification() {
Notification.Builder builder = new Notification.Builder(this)
.setSmallIcon(R.mipmap.ic_launcher_de)
.setContentTitle("视频交友")
.setContentText("");
//设置Notification的ChannelID,否则不能正常显示
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
builder.setChannelId(notificationId);
}
Notification notification = builder.build();
return notification;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.d(TAG, "onStartCommand()");
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
super.onDestroy();
Log.d(TAG, "onDestroy()");
}
@Override
public boolean onUnbind(Intent intent) {
Log.d(TAG, "onUnbind()");
return super.onUnbind(intent);
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
Log.d(TAG, "onBind()");
return null;
}
}

最后

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