功能优化

app/build.gradle

@@ -121,4 +121,5 @@ dependencies {
     implementation 'com.joanzapata.pdfview:android-pdfview:1.0.4@aar'
     //okhttputils
     implementation 'org.bouncycastle:bcprov-jdk15on:1.56'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.13.0'
 }

app/src/main/java/com/bonus/app/activity/basic/MainActivity.java

@@ -436,8 +436,10 @@ public class MainActivity extends BaseActivity implements ClickUtils.OnClick2Exi
 
     @Override
     public void onDestroy() {
-        time.cancel();
-        time = null;
+        if (time != null) {
+            time.cancel();
+            time = null;
+        }
         super.onDestroy();
     }
 

app/src/main/java/com/bonus/app/fragment/index/mail/MailTreeContentFragment.java

@@ -31,6 +31,10 @@ import com.bonus.app.util.mail.PinyinComparator;
 import com.bonus.app.util.mail.SideBar;
 import com.bonus.app.util.mail.SortAdapter;
 import com.bonus.app.util.mail.SortModel;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.xuexiang.xpage.annotation.Page;
 import com.xuexiang.xpage.enums.CoreAnim;
 import com.xuexiang.xutil.common.ClickUtils;
@@ -39,6 +43,7 @@ import org.easydarwin.easypusher.R;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Iterator;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -193,6 +198,7 @@ public class MailTreeContentFragment extends BaseFragment implements ClickUtils.
                     String orgCode = orgJsonObject.getString("code");
                     if (orgCode.equals("200")) {
                         String data = orgJsonObject.getString("data");
+                        data = getStringJSON(data);
                         listTree = JsonHelper.jsonArrStrToBeanList(data, MailContentBean.class);
                         listTree.forEach(c->{
                             c.setName(c.getName() + "\n" + c.getPhone());
@@ -215,6 +221,33 @@ public class MailTreeContentFragment extends BaseFragment implements ClickUtils.
         }
     };
 
+    /**
+     * 去除JSON字符串中的null值
+     */
+    public String getStringJSON(String value) {
+        // 创建 ObjectMapper 实例
+        ObjectMapper mapper = new ObjectMapper();
+
+        // 将字符串转换为 JsonNode
+        ArrayNode jsonArray = null;
+        try {
+            jsonArray = (ArrayNode) mapper.readTree(value);
+            // 迭代器遍历数组元素
+            Iterator<JsonNode> it = jsonArray.elements();
+            while (it.hasNext()) {
+                JsonNode node = it.next();
+                if (node.isNull()) {
+                    // 如果是 null，则从迭代器中移除
+                    it.remove();
+                }
+            }
+            return mapper.writeValueAsString(jsonArray);
+        } catch (JsonProcessingException e) {
+            e.printStackTrace();
+        }
+        return value;
+    }
+
     /**
      * ΪListView<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
      * @param date