0602

2026-06-02 15:28:25 +08:00
commit b271b84f70
249 changed files with 42240 additions and 0 deletions
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+/**
+ * Android 系统扫码 API 实现
+ * 使用 android.device.ScanDevice + 广播监听
+ */
+
+// UTF8 字节数组解码为 Unicode 字符串
+function utf8ByteToUnicodeStr(utf8Bytes) {
+  var unicodeStr = ''
+  for (var pos = 0; pos < utf8Bytes.length;) {
+    var flag = utf8Bytes[pos]
+    var unicode = 0
+    if ((flag >>> 7) === 0) {
+      unicodeStr += String.fromCharCode(utf8Bytes[pos])
+      pos += 1
+    } else if ((flag & 0xFC) === 0xFC) {
+      unicode = (utf8Bytes[pos] & 0x3) << 30
+      unicode |= (utf8Bytes[pos + 1] & 0x3F) << 24
+      unicode |= (utf8Bytes[pos + 2] & 0x3F) << 18
+      unicode |= (utf8Bytes[pos + 3] & 0x3F) << 12
+      unicode |= (utf8Bytes[pos + 4] & 0x3F) << 6
+      unicode |= (utf8Bytes[pos + 5] & 0x3F)
+      unicodeStr += String.fromCodePoint(unicode)
+      pos += 6
+    } else if ((flag & 0xF8) === 0xF8) {
+      unicode = (utf8Bytes[pos] & 0x7) << 24
+      unicode |= (utf8Bytes[pos + 1] & 0x3F) << 18
+      unicode |= (utf8Bytes[pos + 2] & 0x3F) << 12
+      unicode |= (utf8Bytes[pos + 3] & 0x3F) << 6
+      unicode |= (utf8Bytes[pos + 4] & 0x3F)
+      unicodeStr += String.fromCodePoint(unicode)
+      pos += 5
+    } else if ((flag & 0xF0) === 0xF0) {
+      unicode = (utf8Bytes[pos] & 0xF) << 18
+      unicode |= (utf8Bytes[pos + 1] & 0x3F) << 12
+      unicode |= (utf8Bytes[pos + 2] & 0x3F) << 6
+      unicode |= (utf8Bytes[pos + 3] & 0x3F)
+      unicodeStr += String.fromCodePoint(unicode)
+      pos += 4
+    } else if ((flag & 0xE0) === 0xE0) {
+      unicode = (utf8Bytes[pos] & 0x1F) << 12
+      unicode |= (utf8Bytes[pos + 1] & 0x3F) << 6
+      unicode |= (utf8Bytes[pos + 2] & 0x3F)
+      unicodeStr += String.fromCharCode(unicode)
+      pos += 3
+    } else if ((flag & 0xC0) === 0xC0) {
+      unicode = (utf8Bytes[pos] & 0x3F) << 6
+      unicode |= (utf8Bytes[pos + 1] & 0x3F)
+      unicodeStr += String.fromCharCode(unicode)
+      pos += 2
+    } else {
+      unicodeStr += String.fromCharCode(utf8Bytes[pos])
+      pos += 1
+    }
+  }
+  return unicodeStr
+}
+
+class ScanAndroidImpl {
+  constructor() {
+    this.scanDevice = null
+    this._receiver = null
+    this._filter = null
+    this._main = null
+    this._callback = null
+    this._isScanning = false
+  }
+
+  /**
+   * 初始化：打开扫描设备，设置广播模式
+   */
+  init() {
+    // var ScanDeviceClass = plus.android.importClass('android.device.ScanDevice')
+    // this.scanDevice = new ScanDeviceClass()
+    
+    // 使用 plus.android.newObject 创建实例（更兼容）
+    try {
+      this.scanDevice = plus.android.newObject('android.device.ScanDevice')
+    } catch (e) {
+      throw new Error('[Scan-Android] 当前设备不支持 android.device.ScanDevice，请切换到 iData 模式或使用其他扫码方式: ' + e.message)
+    }    
+    
+    this.scanDevice.openScan()
+    this.scanDevice.setOutScanMode(0) // 0 = 广播模式
+
+    this._main = plus.android.runtimeMainActivity()
+    var IntentFilter = plus.android.importClass('android.content.IntentFilter')
+    this._filter = new IntentFilter()
+    this._filter.addAction('scan.rcv.message')
+  }
+
+  /**
+   * 注册扫码结果回调
+   * @param {Function} callback - (codeStr: string) => void
+   */
+  register(callback) {
+    this._callback = callback
+
+    var self = this
+    this._receiver = plus.android.implements('io.dcloud.feature.internal.reflect.BroadcastReceiver', {
+      onReceive: function (context, intent) {
+        plus.android.importClass(intent)
+        var code = intent.getByteArrayExtra('barocode')
+        if (code) {
+          var codeStr = utf8ByteToUnicodeStr(code)
+          console.log('[Scan-Android] 扫码结果:', codeStr)
+          self.scanDevice.stopScan()
+          self._isScanning = false
+          if (self._callback) {
+            self._callback(codeStr)
+          }
+        }
+      }
+    })
+
+    this._main.registerReceiver(this._receiver, this._filter)
+  }
+
+  /**
+   * 注销监听（页面卸载时调用）
+   */
+  unregister() {
+    if (this._receiver && this._main) {
+      this._main.unregisterReceiver(this._receiver)
+      this._receiver = null
+    }
+    this._callback = null
+  }
+
+  /**
+   * 开始扫描
+   */
+  startScan() {
+    if (this.scanDevice) {
+      this.scanDevice.stopScan()
+      this.scanDevice.startScan()
+      this._isScanning = true
+    }
+  }
+
+  /**
+   * 停止扫描
+   */
+  stopScan() {
+    if (this.scanDevice) {
+      this.scanDevice.stopScan()
+      this._isScanning = false
+    }
+  }
+
+  /**
+   * 是否正在扫描
+   */
+  isScanning() {
+    return this._isScanning
+  }
+
+  /**
+   * 完全销毁（应用退出时调用）
+   */
+  destroy() {
+    this.unregister()
+    if (this.scanDevice) {
+      this.scanDevice.closeScan()
+      this.scanDevice = null
+    }
+    this._main = null
+    this._filter = null
+  }
+}
+
+export default ScanAndroidImpl