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alexmercerind / flutter_media_metadata

A Flutter plugin to read 🔖 metadata of 🎵 media files. Supports Windows, Linux, macOS, Android, iOS & Web.
MIT License
69 stars 35 forks source link

Null check operator used on a null value #13

Closed 4-alok closed 3 years ago

4-alok commented 3 years ago

this line throw such error await retriever.setFile(File(song.path));

[ERROR:flutter/runtime/dart_isolate.cc(1137)] Unhandled exception:
Null check operator used on a null value
#0      MethodChannel.binaryMessenger
package:flutter/…/services/platform_channel.dart:142
#1      MethodChannel._invokeMethod
package:flutter/…/services/platform_channel.dart:148
#2      MethodChannel.invokeMethod
package:flutter/…/services/platform_channel.dart:331
#3      MetadataRetriever.setFile
package:flutter_media_metadata/flutter_media_metadata.dart:85
<asynchronous suspension>
#4      GenerateThumbnails.isolatedThread
package:ruminate/…/utils/generate_thumbnails.dart:38
<asynchronous suspension>

dart version sdk: '>=2.13.0 <3.0.0'

alexmercerind commented 3 years ago

@4-alok , please check that you gave permissions & file existence etc. The plugin is working fine for me.