Arrange images in a radial stack, and manipulate overlap manually - flutter

I am using a stack to arrange images in a circle, with slight overlap. But I want the green icon to overlap the grey icon, while maintaining the other overlapping order. Basically I want each icon to be only partially obscured. Please see attached image and code.
Stack(
children: [
Positioned(
bottom: 3,
left: 0,
child: SvgPicture.asset(
'images/elem_earth.svg',
width: 15,
),
),
Positioned(
top: 3,
left: 0,
child: SvgPicture.asset(
'images/elem_dark.svg',
width: 15,
),
),
Positioned(
top: 0,
left: 0,
right: 0,
child: SvgPicture.asset(
'images/elem_light.svg',
width: 15,
),
),
Positioned(
top: 3,
right: 0,
child: SvgPicture.asset(
'images/elem_fire.svg',
width: 15,
),
),
Positioned(
bottom: 3,
right: 0,
child: SvgPicture.asset(
'images/elem_ice.svg',
width: 15,
),
),
Positioned(
bottom: 0,
left: 0,
right: 0,
child: SvgPicture.asset(
'images/elem_air.svg',
width: 15,
),
),
],
)

Related

Clip Container in Flutter

I want to clip a container in such a way like below image
I have read about a couple of clip but don't know how to achieve this.
I have tried implementing clipping using..
Container(
width: 300,
height: 300,
color: Colors.white,
child: ClipRRect(
child: Stack(
///clipBehavior: Clip.hardEdge,
children: [
Positioned(
left: 0,
top: 0,
child: Transform.rotate(
angle: 1,
child: Container(
color: Colors.red,
width: 250,
height: 250,
),
),
),
],
),
),
);
I have found a way to do this using CustomClipper

Strange blur in FLutter BackdropFilter

I try on the Back drop Filter in the Flutter widget but get a strange effect. On the one hand there is a blur, on the other hand the objects retain clear boundaries. What am I doing wrong?
child: Stack(
children: <Widget>[
Positioned(
right: 10,
top: 10,
child: Container(
width: 100,
height: 100,
color: Color(0xFFbfeb91),
),
),
Positioned(
bottom: 10,
left: 50,
child: Container(
width: 90,
height: 90,
color: Colors.green,
),
),
Text('Hello world'),
Container(
width: 180,
height: 180,
child: ClipRRect(
borderRadius: BorderRadius.circular(24),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 10.0, sigmaY: 10.0),
child: Container(
width: 100,
height: 100,
padding: EdgeInsets.all(24),
// color: Color(0xFF55aaff),
color: Colors.white.withOpacity(0.5),
child: Text(
"Flutter Dev's",
style: TextStyle(
fontSize: 28,
fontWeight: FontWeight.bold,
color: Colors.black38,
),
),
),
),
),
),
],
)
I here is what I've got. Look at the green square - its bounds are clear, like we have 2 layers^ one is blured, and the other one (at the top) is NOT blured).
Picture with blur effect
And the same effect with letters 'Hello world'
You should give blur container position by margin as you are using stack as base widget. As you set postioned in above for two widget from top and left. so above two postined overleaped by blur container layout. thats why you getting blur screen. Try below code it will serve your purpose.
Stack(
children: <Widget>[
Positioned(
left: 10,
top: 10,
child: Container(
width: 100,
height: 100,
color: Color(0xFFbfeb91),
),
),
Positioned(
left: 10,
top: 120,
child: Container(
width: 90,
height: 90,
color: Colors.green,
),
),
Text('Hello world'),
Container(
margin: EdgeInsets.only(top: 10, left: 120),
width: 180,
height: 180,
child: ClipRRect(
borderRadius: BorderRadius.circular(24),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 10.0, sigmaY: 10.0),
child: Container(
width: 100,
height: 100,
padding: EdgeInsets.all(24),
// color: Color(0xFF55aaff),
color: Colors.white.withOpacity(0.5),
child: Text(
"Flutter Dev's",
style: TextStyle(
fontSize: 28,
fontWeight: FontWeight.bold,
color: Colors.black38,
),
),
),
),
),
),
],
);

Flutter, Expanded Stack`s child cut/removed by other widget

Container(
padding:
EdgeInsets.only(left: 16, right: 20, top: 16, bottom: 16),
height: 68,
width: 200,
color: Colors.green,
child: Row(
children: [
Expanded(
child: Container(
child: Stack(
children: <Widget>[
Positioned(
// top: 16,
left: 0,
// height: 40,
// width: 40,
child: Container(
height: 36,
width: 60,
decoration: BoxDecoration(
color: Colors.black,
shape: BoxShape.circle,
),
),
),
],
),
),
),
SizedBox(
width: 4,
),
Container(
width: 120,
height: 30,
color: Colors.red,
),
],
),
)
The black circle is wrapped by Expanded
But the space is invaded by others
how to prevent this??
I'd rather this give overflow to the right without clipping my stack widget.
You can use Positioned in a container instead of circle.
Container(
padding: EdgeInsets.only(left: 16, right: 20, top: 16, bottom: 16),
height: 68,
width: double.infinity,
color: Colors.green,
child: Stack(
children: [
Container(
height: 36,
width: 60,
decoration: BoxDecoration(
color: Colors.black,
shape: BoxShape.circle,
),
),
Positioned(
left: 50,
top: 3,
child: Container(
width: MediaQuery.of(context).size.width-100,
height: 30,
color: Colors.red,
),
),
],
),
)
Output:

Flutter - BoxConstraints forces an infinite width

How put orange container full width?
I'm try with double.infinity but get error BoxConstraints forces an infinite width.
Container(
padding: EdgeInsets.symmetric(horizontal: 20),
height: 205,
color: Colors.grey,
//margin: EdgeInsets.symmetric(vertical: 20),
child: Stack(
children: [
Positioned(
left: 0,
bottom: 0,
child: Container(
height: 185,
width: 350, //double.infinity --not working
color: Colors.deepOrange,
),
),
Positioned(
right:0,
top:0,
child: Image.asset('assets/images/book-1.png',width: 150,),
),
],
),
)
You can use MediaQuery.of(context).size.width for full screen width of Container widget.

Make two widgets aligned to top center Flutter

I have tried to achieve this widget but nothing is working:
is it possible to create it?
You can try something like this, in case you are trying to put a widget over another.
Container(
width: 100,
margin: EdgeInsets.only(left: 16, right: 16, top: 16),
child: Stack(
children: [
Positioned(
top: 20,
child: Container(
height: 100,
width: 100,
color: Colors.red
)
),
Positioned(
top: 0,
left: 10,
right: 10,
child: Container(
height: 40,
color: Colors.green
)
),
]
),
)