FATAL EXCEPTION: main Process: com.flutter_image, PID: 32038 kotlin.KotlinNullPointerException - flutter

Question

I am getting this error and app crashes when I am pressing the button after compressing the image plzz help me
Thanks in advance
this is my code
onPressed: () async {
print('Selected Item = '+'$radioItemHolder');
if (radioItemHolder.contains('High')) {
print('High');
for (int i = 0;i < widget.image.length;i++) {
var path = await FlutterAbsolutePath.getAbsolutePath(
widget.image[i].identifier);
print("path");
print(path);
File compressedFile =await FlutterNativeImage.compressImage(path, quality:
90);
images.add(compressedFile);
GallerySaver.saveImage(compressedFile.path, albumName: 'Image Resizer')
.then((bool success) {
Fluttertoast.showToast(msg: "Image saved to gallary",toastLength:
Toast.LENGTH_SHORT,
gravity: ToastGravity.BOTTOM,
timeInSecForIosWeb: 5,
backgroundColor: Colors.red,
textColor: Colors.white,
fontSize: 16.0);
});
}
Navigator.push(context,
MaterialPageRoute(builder: (context) => Share_Convert_Iamge(image:
images)),
);
}}

Answer 1

First, download this package:
https://pub.dev/packages/common_utils
Then try to force wait for the compression to complete, before running the navigation logic. Just do this:
import 'package:common_utils/common_utils.dart';
///.........
Future runImageCompressionLogic() async {
for (int i = 0;i < widget.image.length;i++) {
var path = await FlutterAbsolutePath.getAbsolutePath(
widget.image[i].identifier);
print("path");
print(path);
await FlutterNativeImage.compressImage(path, quality:
90).then((compressedFile) {
if (!TextUtil.isEmpty(compressedFile)) {
images.add(compressedFile);
GallerySaver.saveImage(compressedFile.path,
albumName: 'Image Resizer')
.then((bool success) {
Fluttertoast.showToast(msg: "Image saved to
gallary",toastLength:
Toast.LENGTH_SHORT,
gravity: ToastGravity.BOTTOM,
timeInSecForIosWeb: 5,
backgroundColor: Colors.red,
textColor: Colors.white,
fontSize: 16.0);
});
});
}
}
}
}
///.....
onPressed: () async {
print('Selected Item = '+'$radioItemHolder');
if (radioItemHolder.contains('High')) {
print('High');
runImageCompressionLogic().whenComplete((){
Navigator.push(context,
MaterialPageRoute(builder: (context) =>
Share_Convert_Iamge(image:
images)),
});
);
}}