How to set progressBar color in android? - android

So far I am just seeing an option to set background. I want to set the filled portion to one color and the unfilled portion to another color.

I think you could achieve this, setting background of progressBar to color of unfilled portion and setting progressTint to filled portion color.

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Android WebView change color with transparent (chroma key)

I need to change (better also color in area) any color on WebView with transparent.
It must work like AvoidXfermode (I can't use it because of deprecated)
Example:
I have red background and some dive with black color, I need to change this black color with transparent color and make a "hole" in WebView. In this hole, I must see any View what located behind the WebView.
Please help anybody ...

Android ListView alpha in background color only

I have a list view and now all cells have white background.
What I want is to keep the white color in listview's background and put some "alpha" value to make it semi transparent so the user can see the whole view's background.
If I put android:alpha in listview , everything gets alpha ( the content too ). I want the content of the listview to be fully visible and the background color to be semi-transparent. Is there any way to achive this?
Don't use white color as background, define a color in resources that has a transparency, you could do something like #66FFFFFF, this is a transparent white.

how can I customize and change the background color of spinner in android?

I want to change the background color of spinner and customize spinner. When I used this code in xml android:background="#000000" the color changed but the arrow on the spinner disappears. How can I cuztomize spinner and change the background color without disappearing the arrow?
The arrow is black (or close to it) by default, so it won't show up on a black background. You can change the arrow with the android:dropDownSelector attribute in your XML.
The "background" attribute on a spinner refers to a drawable which contains the background color and the arrow. By specifying a color for the background, there is no longer any arrow. To fix this you need to provide a new 9 patch drawable with the arrow in it.

Give app widget button custom colour with rounded rectangle shape

I've got an app which creates widgets where the user can set the colour of the button's background via a colour picking dialog. However, the only way I can set the button in the remote view to have this colour is by doing this
rv.setInt(R.id.button, "setBackgroundColor", colour);
but this always makes the background a rectangle shape, replacing any previously set background drawable. What I would like to do is have the button as a rounded-corners rectangle shape which can be set to a custom colour. Is this possible, and if so how?

How to have a color show through a transparent image on Android?

What would be the simplest way to have a background color visible through the transparent parts of a gif/png in an Android view?
You can simply set android:background="_colorspec_" in your layout.

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