Which item specifically did you edit, can you share that line here.
I'll look for trace color variable.
I tried changing this value:
<color name="yellow">#ffffff00</color>
And this:
<color name="chan1">@color/yellow</color>
If you want to change the icons and such being used, just edit the images (attached)
Yes, I've seen it all before. But some (rather most) images in .xml files are in SVG format, and I haven’t figured out how to easily change them yet
the @ sign is a symbol for "
reference", it refers back to the already defined color yellow by name,
<color name="yellow">#fff1e504</color>, this way they can define more variables that map back to the same color definition, etc. Don't change any of the entries that use @
You need to edit the other entry in colors.xml file, I listed it. It appears more bad coding on Rigol part, why they use two variable, one for line color and one for button color? One color definition is all that's needed. Maybe the $4000 scopes allow you to set both button and line color? Recall much of the DHO800-900 code comes from other dev work.
As mattert of fact, you can make it a one color reference, just change
<color name="bg_channel1_color">#fff1e504</color> to
<color name="bg_channel1_color">@color/yellow</color>, so when you change
<color name="yellow">#fff1e504</color> then both button and line change to that color.
They are using android.graphics.color scheme, a decimal value converted as hex in the xml.
The other color definition in other xml file
<stroke android:width="1.0dip" android:color="@color/bg_channel1_color" /> is the yellow color being used for line (should be), it refers back to the colors.xml file, etc, so be sure the color you want is an android.graphics.color decimal value converted back to hex.
See -->
https://convertingcolors.com/android-color-4294042884.html?search=Android(4294042884)
when you change value on webpage the top section of the page becomes that color.
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If you want to preserve Rigol data, just make your own color by name entry, something like
<color name="my_ch1_color">#00ffff00</color>, then change the other two referencing entries to use "@color/my_ch1_color",
<color name="chan1">@color/my_ch1_color</color>. It's that simple.
If you want me to write a bash script to mod that file using color values as args, I can do that, but I think 1st step is to manually try your edits to see results.