Develop Reference

Image inside Stack not taking parent border radius

I need your help. I am trying to replicate a design I saw from Instagram for personal growth. I have an Image inside Stack, the Stack is a child to a Container with Border radius. However, the image inside the box doesn't take after the border radius. I have tried different methods but none of them worked.
What I am getting is
VS what I am trying to get
How can I make the image have a border radius even though is Positioned outside the box ??
Here is a snippet of my code
Container(
width: 300,
height: 500,
decoration: BoxDecoration(
color: boxColor,
borderRadius: BorderRadius.circular(12.0),
),
child: Stack(
children: [
Positioned(
right: -150,
top: -200,
child: ClipRRect(
clipBehavior: Clip.antiAlias,
// borderRadius: BorderRadius.circular(12.0),
child:Image.asset(
height: width*.35,
width: width*.35,
"assets/box.png",
),
),
),
],
),
)

Include clipBehavior: Clip.hardEdge, on container
Container(
width: 300,
height: 500,
clipBehavior: Clip.hardEdge,
decoration: BoxDecoration(
color: Colors.red,
borderRadius: BorderRadius.circular(12.0),
),
If you still like to use ClipRRect use it on top of container.

How do I prevent the background image from shrinking when a value is entered from the phone keyboard in Flutter?

View before the keyboard is seen
The view after the keyboard is seen
I want the background image to always stay at the size before the keyboard is seen.
return Scaffold(
body: Container(
decoration: const BoxDecoration(
image: DecorationImage(
image: AssetImage('assets/back.png'),
fit: BoxFit.cover,
),
),
alignment: Alignment.center,
padding: const EdgeInsets.fromLTRB(50, 100, 70, 0),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Center(
child: TextFormWidget(form: name, hint: 'Name',),
),
SizedBox(
height: 15,
),
TextFormWidget(form: surname, hint: 'Surname'),
],
),
),
);

resizeToAvoidBottomInset on scaffold
If true the [body] and the scaffold's floating widgets should size themselves to avoid the onscreen keyboard whose height is defined by the ambient [MediaQuery]'s [MediaQueryData.viewInsets] bottom property.
For example, if there is an onscreen keyboard displayed above the scaffold, the body can be resized to avoid overlapping the keyboard, which prevents widgets inside the body from being obscured by the keyboard.
Defaults to true.
Also you might also like to wrap Scaffold with SafeArea to get view after statusBar.

Rounded Tab Bar in Flutter

I am new to flutter and creating a project where the design contains rounded top navigation. In flutter we have tab bars. So I searched around but could not find the solution. There were solution for rounded tabs but not the tab bar as whole. Is it even possible or is there a work around it.

You can create custom tab bar using Container and Stack to positioned Container on top.
Something like this.
Container(
width: MediaQuery.of(context).size.width,
height: MediaQuery.of(context).size.height,
child: Stack(
children: <Widget>[
Positioned(
top: 0,
child: Container(
width: MediaQuery.of(context).size.width,
height: 80,
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.all(Radius.circular(25.0))
),
child: Row(
children: <Widget>[
//icons buttons
],
),
),
)
],
)
),

Flutter: How to make some area of image transparent in Flutter?

I want the lower path of Doctor image to get transparent so that I can see the tiles going underneath it.
How can I do that? I tried opacity but it is making the whole image fade.
Remember just the lower part not whole image

For different opacity in the same image, you can use a ShaderMask like this:
ShaderMask(
shaderCallback: (rect) {
return LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: <Color>[
Colors.black.withOpacity(1.0),
Colors.black.withOpacity(1.0),
Colors.black.withOpacity(0.3),
Colors.black.withOpacity(0.3),// <-- change this opacity
// Colors.transparent // <-- you might need this if you want full transparency at the edge
],
stops: [0.0, 0.5,0.55, 1.0], //<-- the gradient is interpolated, and these are where the colors above go into effect (that's why there are two colors repeated)
).createShader(Rect.fromLTRB(0, 0, rect.width, rect.height));
},
blendMode: BlendMode.dstIn,
child: FlutterLogo(size: 80, colors: Colors.red),
),
You'll have to play around with the LinearGradient stops in order to get the effect that you're looking for. Just for completeness sake, let me explain the colors and the stops that I chose. Since the gradient is interpolated, you need a really strong step from one color to the other. So, looking at the stops and colors, it reads like this:
start the first color (with opacity = 1.0) at 0% of the way down and go until you hit 50% of the way down, then interpolate from 50% to 55% from opacity 1.0 to opacity 0.3 (that's why those numbers need to be close together) Finally, end with opacity 0.3 at 100% of the image.
I explained that piece, because you will have to adjust the 0.5 and 0.55 piece to make it look how you want.

You will have to use Stack and positioned widget side by side.
Add your image as child of the Container. I hope this helps
Stack(
children: <Widget>[
Positioned(
right: 20,
child: Container(
height: 150,
width: 100,
color: Colors.black,
),
),
ListView(
padding: EdgeInsets.only(top: 100),
children: <Widget>[
Ink(
color: Colors.green,
child: ListTile(
title: Text("Tile 1"),
subtitle: Text("subtitle"),
),
),
Ink(
color: Colors.blue,
child: ListTile(
title: Text("Tile 2"),
subtitle: Text("subtitle"),
),
),
Ink(
color: Colors.green,
child: ListTile(
title: Text("Tile 3"),
subtitle: Text("subtitle"),
),
),
],
),
],
),

How do I set the background colour/image to be stacked above another expanded widget? Or is there another way

Currently the only way I could make this kind of curved effect would be through making 2 container, making 1 a child of another and making 1 container's colour into the background colour.
However I cannot replicate this effect if the background is an image. Could anyone assist?
Example of the code I use:
Scaffold(
body: SafeArea(
child: Column(
children: <Widget>[
Container(
height: 100,
color: Color(0xFF0D6068),
),
Expanded(
child: Container(
color: Color(0xFF0D6068),
child: Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.only(
topLeft: Radius.circular(50),
topRight: Radius.circular(50),
)),
),
))
],
)),
);

You can make use of a Stack widget to achieve this, such that the background color or image would be at the back then the curved container would be stacked on it. Here is an example code.
Stack(children <Widget> [
Image.asset(''),
Container()
]
)
Instead of using an image asset, you can make use of BoxDecoration with the decoration parameter of a container. The BoxDecoration has an image parameter where you can provide your image with a DecorationImage() widget.