XML detect debug mode

Question

I know that programatically I can use

if (BuildConfig.DEBUG) {
  // do something for a debug build
}

However, what I'd like to do is show a watermark when in debug mode. Is there a way to do something similar to this in the XML files?

No, you cant do that, at least not easily, theres no conditional statement for xml files, maybe you can find a way to make the app use the watermarked xmls like it does for different density but im unsure. you should just do it by code. — Nanoc
– Nanoc, Commented Nov 24, 2015 at 9:29

gabhor · Accepted Answer · 2021-02-04 10:34:50Z

6

It's possible now with the Data Binding Library.

First, you have to define a variable for the BuildConfig object:

<data>
  <import type="android.view.View" />

  <variable
    name="buildConfig"
    type="your.app.domain.BuildConfig"/>
</data>

Then just use it like this:

<ImageView
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:visibility="@{buildConfig.DEBUG ? View.VISIBLE : View.GONE}">

edited Feb 4, 2021 at 10:34

answered Feb 3, 2021 at 10:50

gabhor

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4 Comments

Daniël van den Berg Over a year ago

After over five years :D

gabhor Over a year ago

Actually, the data binding is available for some years. Unfortunately, I didn't see this question earlier. :)

lasec0203 Over a year ago

As a note, this only works for layout files.

Elfnan Sherif Over a year ago

didn't work till i add buildFeatures { dataBinding true } in build.gradle

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