1

app/src/main/java/com/naz/sdkdemo/weight/UserCache.java

@@ -7,6 +7,7 @@ import com.google.gson.Gson;
 import com.naz.sdkdemo.bean.UserDetail;
 import com.naz.sdkdemo.comm.Constants;
 import com.naz.sdkdemo.utils.SPUtils;
+import java.io.File;
 
 import android_serialport_api.SerialPortFinder;
 
@@ -90,7 +91,10 @@ public class UserCache extends SPUtils {
     }
 
     public static String getSerialName() {
+
         SerialPortFinder finder = new SerialPortFinder();
+
+        searchDevDirectory(new File("/dev"));
         if (finder.getAllDevicesPath().length>0){
             for (int i = 0; i < finder.getAllDevicesPath().length; i++) {
                 Log.e("------------>","---------->finder.getAllDevicesPath("+i+")="+finder.getAllDevicesPath()[i]);
@@ -101,4 +105,23 @@ public class UserCache extends SPUtils {
         }
         return "";
     }
+
+    private static void searchDevDirectory(File directory) {
+        if (directory.isDirectory()) {
+            File[] files = directory.listFiles();
+            if (files != null) {
+                for (File file : files) {
+                    if (file.isDirectory()) {
+                        // 递归搜索子目录
+                        searchDevDirectory(file);
+                    } else {
+                        // 检查是否是串口设备文件
+                        if (file.getAbsolutePath().startsWith("/dev/tty")) {
+                            System.out.println("Serial port found: " + file.getAbsolutePath());
+                        }
+                    }
+                }
+            }
+        }
+    }
 }