1

app/proguard-rules.pro

@@ -1,6 +1,8 @@
 # GeckoView 混淆规则
 -dontwarn org.mozilla.geckoview.**
--keep class org.mozilla.gecko.util.DebugConfig { *; }
+-dontwarn org.mozilla.gecko.**
+-keep class org.mozilla.gecko.** { *; }
+-keep class org.mozilla.geckoview.** { *; }
 
 # AndroidInterface 桥接类保护
 -keep class com.stand.standapp.AndroidInterface { *; }
@@ -8,6 +10,8 @@
 
 # 忽略不存在的可选依赖报错
 -dontwarn com.google.android.material.snackbar.**
+-dontwarn java.beans.**
+-dontwarn org.yaml.snakeyaml.**
 
 # OkHttp 混淆规则
 -keepattributes Signature
@@ -19,5 +23,22 @@
 # A resource is loaded at runtime for config index:
 -keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase
 
+# 保护 PTT 原生回调类（native 通过 JNI 反射调用，不能混淆）
+-keep class com.example.kingway.ptt.** { *; }
+
+## 保护打印机 SDK（jar 包中的类不能混淆）
+#-keep class com.dp.dp_serialportlist.** { *; }
+#-dontwarn com.dp.dp_serialportlist.**
+#-keep class com.zy.** { *; }
+#-dontwarn com.zy.**
+#
+## 保护硬件 GPIO 系统服务（隐藏 API，R8 不认识）
+#-keep class android.app.ZysjSystemManager { *; }
+#-dontwarn android.app.ZysjSystemManager
+
 # 保护实体类 (如果你后续有 JSON 解析)
 -keep class com.stand.standapp.** { *; }
+-dontwarn java.beans.**
+
+# R8 missing class 处理
+-ignorewarnings

app/src/main/java/com/stand/standapp/AndroidInterface.kt

@@ -253,10 +253,10 @@ class AndroidInterface(private val activity: MainActivity) {
 
     fun cutPaper(allCut: Boolean) {
         try {
-            PrinterManager.getFactory()?.let {
-                if (it.isConnection) {
-                    if (allCut) it.PaperAllCut() else it.PaperCut()
-                }
+            if (allCut){
+                PrinterManager.getFactory()?.PaperAllCut();
+            }else{
+                PrinterManager.getFactory()?.PaperCut();
             }
         } catch (e: Throwable) {
             Timber.tag("JS_Interface").e(e, "cutPaper failed")