[3.4.0-map-sdk] code style and add npl catch

codequality/custom-pmd-ruleset.xml

@@ -13,6 +13,8 @@
     <exclude-pattern>.*/gen/.*</exclude-pattern>
     <exclude-pattern>.*Dagger*.*</exclude-pattern>
 
+<!--  最佳实践 -->
+
 <!--  用log代替e.PrintStackTrace  -->
 <!--    <rule ref="category/java/bestpractices.xml/AvoidPrintStackTrace" />-->
 <!--  for/foreach 避免index重新赋值  -->
@@ -33,6 +35,18 @@
             <property name="strictMode" value="true" />
         </properties>
     </rule>
+    <!--  检查赋值字段未使用问题  -->
+    <rule ref="category/java/bestpractices.xml/UnusedAssignment">
+        <properties>
+            <property name="checkUnusedPrefixIncrement" value="true" />
+            <property name="reportUnusedVariables" value="true" />
+        </properties>
+    </rule>
+    <!--  检查未使用的局部变量  -->
+    <rule ref="category/java/bestpractices.xml/UnusedLocalVariable" />
+    <!--  检查未使用的private变量  -->
+<!--    <rule ref="category/java/bestpractices.xml/UnusedPrivateField" />-->
+    <rule ref="category/java/bestpractices.xml/UseStandardCharsets" />
 
     <!--     容易出现运行时错误 -->
     <rule ref="category/java/errorprone.xml/AvoidBranchingStatementAsLastInLoop" />