修复没有打印机模块导致闪退问题

package.json

 {
   "name": "zm-face-counter",
-  "version": "1.2.8",
+  "version": "1.2.9",
   "private": true,
   "scripts": {
     "android": "react-native run-android",

src/pages/CounterMixins.js

@@ -412,6 +412,14 @@ const CounterMixins = ComposeComponent => {
     };
 
     print = async () => {
+      const isConnected = await Printer.isConnected();
+      if (!isConnected) {
+        const success = await Printer.usbConnect();
+        if (!success) {
+          Toast.info('打印机模块未连接，无法打印');
+          return;
+        }
+      }
       let total = 0;
       let goods = [];
       this.state.printer.map(v => {

src/utils/Printer.js

@@ -189,15 +189,15 @@ if (_Printer) {
       await Printer.halfCut(); // 半切
     },
   };
-  (async () => {
-    // 修复没有打印机模块导致闪退问题
-    try {
-      const isConnected = await Printer.isConnected();
-      if (!isConnected) await Printer.usbConnect();
-    } catch (e) {
-      // do nothing
-    }
-  })();
+  // (async () => {
+  //   // 修复没有打印机模块导致闪退问题
+  //   try {
+  //     const isConnected = await Printer.isConnected();
+  //     if (!isConnected) await Printer.usbConnect();
+  //   } catch (e) {
+  //     // do nothing
+  //   }
+  // })();
 }
 
 export default Printer;