Android Question Corner radius button

Blue.Sky · Oct 15, 2015

Hi
I use statelistdrawable for button
I use colordrawable with radius 50 for convert button to circle
Now in many device is correct but with different dpi button not circle complete
How set radius to button for convert to circle?

MaFu · Oct 15, 2015

Did you use 50 or 50dip?

ilan · Oct 15, 2015

just make sure that the height and width are the same like

btn1.height = 10%x (use %)
btn1.width = 10%x (use also x for the width to get a square)

now set the radius to 5%x (half of the width)

you should now get a circle on any device.

regards, ilan

Blue.Sky · Oct 15, 2015

MaFu said:
Did you use 50 or 50dip?

I use 50 not 50dip

Blue.Sky · Oct 15, 2015

ilan said:
just make sure that the height and width are the same like

btn1.height = 10%x (use %)
btn1.width = 10%x (use also x for the width to get a square)

now set the radius to 5%x (half of the width)

you should now get a circle on any device.

regards, ilan

Thank you
I define view's size in designer

ilan · Oct 15, 2015

you can use in designer %

then in your code you just set corner radius to btn1.widht /2

MaFu · Oct 15, 2015

Blue.Sky said:
I use 50 not 50dip

You should avoid using normal values for view sizes, in all cases. Use dip and your views have (almost) the same size on all devices.
This belongs to code, designer uses dip automatically.

Blue.Sky · Oct 16, 2015

Thank you.

Cableguy · Oct 16, 2015

Also to note, any radius bigger than the half of the bigger side(x or y) will render to as if it was set to its half

Blue.Sky · Oct 16, 2015

Cableguy said:
Also to note, any radius bigger than the half of the bigger side(x or y) will render to as if it was set to its half

I adjust to View's width and height (Radius = View1.Width / 2)

Android Question Corner radius button

Blue.Sky

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ilan

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