How to change the color of the boot via code on android?

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1

How to change the color of the button via the code, because when touching the button I want it to change the color, the color is inside the drawable.

java android xml

3 answers

3

You can change the color of the button like this:

Button botao = (Button) findViewById(R.id.botao);

botao.setBackgroundResource(R.color.Red);

The color has to be in the res->values->color_list.xml us Resources:

<color name="Red">#FF0000</color>

2


Use:

seuButton.setBackgroundResource(R.drawable.my_button_style);

With this method, you will assign to Background from the button, a Shape coming XML with your desired color/style.

But with this solution, you will apply a color filter without needing an XML-Drawable.

PorterDuffColorFilter colorFilter = new PorterDuffColorFilter(Color.WHITE, PorterDuff.Mode.MULTIPLY);
seuButton.getBackground().setColorFilter(colorFilter);

more in: Porterduffcolorfilter - Documentation

-1

Use this within the code XML of Button to switch to the desired color:

android:background="@android:color/(coloque sua cor aqui, exemplo: holo_blue_dark)"

To change color without code (even if you haven’t asked this, I’ll write to maybe help those who need) go to Desing>Button>Background>Resources(ellipsis next to Background), then just click on the chosen color.

  • The question is actually how to change the color of the button via java code. It wants to change the color on the mouseover.

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