How to put space in a text loop - flutter

Question

I want to give some width or space in "Your Likes" section between the users. How can I put some space, please give some suggestion and example.
children: [
UserImageSmall(
height: 64,
width: 64,
url: inactiveMatches[index].matchedUser.imageUrls),
Text(
inactiveMatches[index].matchedUser.name,
style: Theme.of(context).textTheme.bodyText1,
),
],
How can I remove the error showed in the "Your Chats" section here I want some help. Please let me know how can I do it. Please check the code and image below.
Text('Your Chats',
style: Theme.of(context).textTheme.headline5),
ListView.builder(
shrinkWrap: true,
itemCount: activeMatches.length,
itemBuilder: (context, index) {
return InkWell (
onTap: () {
Navigator.push(
context, MaterialPageRoute(
builder: (context) => ChatScreen(userMatch: userMatch,),
),
);
},
child: Row(children: [
UserImageSmall(
height: 60,
width: 60,
url: activeMatches[index].matchedUser.imageUrls,
),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
activeMatches[index].matchedUser.name,
style: Theme.of(context).textTheme.headline6,
),
SizedBox(height: 10),
Text(
activeMatches[index].chat![0].messages[0].message,
style: Theme.of(context).textTheme.bodyText1,
),
],
),
],
),
);
}
)
This is the exact emulator screen running with this given code.

Answer 1

In Your Likes section, give width to UserImageSmall Widget such as:
Container( width: 16, child: UserImageSmall())
Check index 0 exists or not, as in the image seems like null on index: 0
activeMatches[index].chat![0].messages[0].message
I have modified the code, hope this helps!
Text('Your Chats',
style: Theme.of(context).textTheme.headline5),
ListView.builder(
shrinkWrap: true,
itemCount: activeMatches.length,
itemBuilder: (context, index) {
return InkWell (
onTap: () {
Navigator.push(
context, MaterialPageRoute(
builder: (context) => ChatScreen(userMatch: userMatch,),
),
);
},
child: Row(children: [
UserImageSmall(
height: 60,
width: 60,
url: activeMatches[index].matchedUser.imageUrls,
),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
activeMatches[index].matchedUser.name,
style: Theme.of(context).textTheme.headline6,
),
SizedBox(height: 10),
Text(
activeMatches[index].chat![0]==null ? ""
: activeMatches[index].chat![0].messages[0].message,
style: Theme.of(context).textTheme.bodyText1,
),
],
),
],
),
);
}
)