1 files changed, 14 insertions, 3 deletions
diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/ui/about/AboutFragmentLicenseTab.java b/app/src/main/java/it/niedermann/nextcloud/deck/ui/about/AboutFragmentLicenseTab.java
index f33b30ea3..c00ff212a 100644
--- a/app/src/main/java/it/niedermann/nextcloud/deck/ui/about/AboutFragmentLicenseTab.java
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/ui/about/AboutFragmentLicenseTab.java
@@ -1,18 +1,26 @@
 package it.niedermann.nextcloud.deck.ui.about;
 
 import android.content.Intent;
+import android.content.res.ColorStateList;
+import android.graphics.Color;
 import android.net.Uri;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.ColorInt;
 import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
+import androidx.core.graphics.drawable.DrawableCompat;
 
 import it.niedermann.nextcloud.deck.R;
 import it.niedermann.nextcloud.deck.databinding.FragmentAboutLicenseTabBinding;
 import it.niedermann.nextcloud.deck.ui.branding.BrandedFragment;
+import it.niedermann.nextcloud.deck.util.ColorUtil;
 
+import static it.niedermann.nextcloud.deck.DeckApplication.isDarkTheme;
+import static it.niedermann.nextcloud.deck.util.ColorUtil.contrastRatioIsSufficientBigAreas;
 import static it.niedermann.nextcloud.deck.util.SpannableUtil.setTextWithURL;
 
 public class AboutFragmentLicenseTab extends BrandedFragment {
@@ -29,8 +37,11 @@ public class AboutFragmentLicenseTab extends BrandedFragment {
     }
 
     @Override
-    public void applyBrand(int mainColor, int textColor) {
-        binding.aboutAppLicenseButton.setBackgroundColor(mainColor);
-        binding.aboutAppLicenseButton.setTextColor(textColor);
+    public void applyBrand(int mainColor) {
+        @ColorInt final int finalMainColor = contrastRatioIsSufficientBigAreas(mainColor, ContextCompat.getColor(requireContext(), R.color.primary))
+                ? mainColor
+                : isDarkTheme(requireContext()) ? Color.WHITE : Color.BLACK;
+        DrawableCompat.setTintList(binding.aboutAppLicenseButton.getBackground(), ColorStateList.valueOf(finalMainColor));
+        binding.aboutAppLicenseButton.setTextColor(ColorUtil.getForegroundColorForBackgroundColor(finalMainColor));
     }
 }
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