如何在android布局中更改背景

Question

我想知道如何更改布局背景。

Answer 1

There are multiple ways to accomplish this, it can be done via XML...

• android:background XML attritube. This can use a drawable in the form of "@drawable/imagefile" or a color value "#FF000000" .

or perform the color change programmatically with the following functions:

• setBackgroundResource : Set the background to a given resource. The resource should refer to a Drawable object or 0 to remove the background.
• setBackgroundColor : Sets the background color for this view.

Answer 2

in layout tag in your xml file write

android:background="@drawable/image">

and put image.jpg(gif,bmp,png) on drawable folder

Answer 3

This might help: You can set layout color as well as an image to it.

change background color of the layout in Android

Answer 4

Configure background programmatically in Kotlin language:

    val mainLayout = findViewById<ConstraintLayout>(R.id.mainLayout)
    mainLayout.setBackgroundColor(currentColor)

You can change the ConstraintLayout to whatever Layout you want.