新增 夜间模式

common/src/main/java/com/stardust/util/BiMap.java

@@ -8,4 +8,9 @@ public interface BiMap<K, V> extends Map<K, V> {
     K getKey(V value);
 
     Set<V> valueSet();
+
+    V getOr(K key, V def);
+
+    K getKeyOr(V value, K def);
+
 }

common/src/main/java/com/stardust/util/BiMaps.java

@@ -115,6 +115,18 @@ public class BiMaps {
             return mVKMap.keySet();
         }
 
+        @Override
+        public V getOr(K key, V def) {
+            V v = get(key);
+            return v == null ? def : v;
+        }
+
+        @Override
+        public K getKeyOr(V value, K def) {
+            K key = getKey(value);
+            return key == null ? def : key;
+        }
+
         @NonNull
         @Override
         public Collection<V> values() {