Do not unconditionally override icon tint in BottomNavigationItemView.

Material Design Team · dsn5ft · commit c42b77fdad12 · 2019-07-15T19:14:14.000-04:00
PiperOrigin-RevId: 257828981
diff --git a/lib/java/com/google/android/material/bottomnavigation/BottomNavigationItemView.java b/lib/java/com/google/android/material/bottomnavigation/BottomNavigationItemView.java
@@ -327,7 +327,9 @@ public void setIcon(Drawable iconDrawable) {
       iconDrawable =
           DrawableCompat.wrap(state == null ? iconDrawable : state.newDrawable()).mutate();
       wrappedIconDrawable = iconDrawable;
-      DrawableCompat.setTintList(wrappedIconDrawable, iconTint);
+      if (iconTint != null) {
+        DrawableCompat.setTintList(wrappedIconDrawable, iconTint);
+      }
     }
     this.icon.setImageDrawable(iconDrawable);
   }

Original file line number	Diff line number	Diff line change
`@@ -327,7 +327,9 @@ public void setIcon(Drawable iconDrawable) {`
`327`	`327`	`iconDrawable =`
`328`	`328`	`DrawableCompat.wrap(state == null ? iconDrawable : state.newDrawable()).mutate();`
`329`	`329`	`wrappedIconDrawable = iconDrawable;`
`330`		`- DrawableCompat.setTintList(wrappedIconDrawable, iconTint);`
	`330`	`+ if (iconTint != null) {`
	`331`	`+ DrawableCompat.setTintList(wrappedIconDrawable, iconTint);`
	`332`	`+ }`
`331`	`333`	`}`
`332`	`334`	`this.icon.setImageDrawable(iconDrawable);`
`333`	`335`	`}`