自动读取短信

utils/smsUserConsent.ts

@@ -0,0 +1,32 @@
+import { Platform } from 'react-native';
+import {
+    retrieveVerificationCode,
+    startSmsHandling,
+} from '@eabdullazyanov/react-native-sms-user-consent';
+
+/** 用户点允许后，从短信正文取数字（优先 preferLength 位，否则取第一段数字） */
+export function digitsFromSms(message: string, preferLength?: number): string {
+    if (preferLength) {
+        const exact = retrieveVerificationCode(message, preferLength);
+        if (exact) return exact;
+    }
+    const m = message.match(/\d+/);
+    return m ? m[0] : '';
+}
+
+/**
+ * SMS User Consent：系统弹窗，用户同意后才回调；无需 READ_SMS / app hash。
+ */
+export function startSmsUserConsentListener(
+    preferLength: number,
+    onDigits: (digits: string) => void,
+): () => void {
+    if (Platform.OS !== 'android') return () => {};
+
+    return startSmsHandling((event) => {
+        const sms = event?.sms ?? '';
+        if (!sms) return;
+        const digits = digitsFromSms(sms, preferLength);
+        if (digits) onDigits(digits);
+    });
+}