Always show WarningScene and LoginScene if necessary

app/src/main/java/com/hippo/scene/Announcer.java

@@ -30,11 +30,19 @@ public final class Announcer {
         this.clazz = clazz;
     }
 
+    public Class<?> getClazz() {
+        return clazz;
+    }
+
     public Announcer setArgs(Bundle args) {
         this.args = args;
         return this;
     }
 
+    public Bundle getArgs() {
+        return args;
+    }
+
     public Announcer setTranHelper(TransitionHelper tranHelper) {
         this.tranHelper = tranHelper;
         return this;