1

uni_modules/zzjc-chainway-p100/utssdk/app-android/scan/ScanBroadcastReceiver.uts

@@ -0,0 +1,83 @@
+import Activity from 'android.app.Activity';
+import IntentFilter from 'android.content.IntentFilter';
+import BroadcastReceiver from 'android.content.BroadcastReceiver';
+import Context from 'android.content.Context';
+import Intent from 'android.content.Intent';
+
+import { OnScanReceiverCallback } from '../../interface.uts';
+
+export default class ScanBroadcastReceiver {
+	
+	private static instance : ScanBroadcastReceiver = new ScanBroadcastReceiver();
+	
+	private context : Context | null = null;
+	
+	private scanBroadcastReceiver: ChainwayScanBroadcastReceiver | null = null;
+	
+	private intentFilter: IntentFilter | null = null;
+	
+	private isOpenScan: boolean = false;
+	
+	private constructor() {
+	}
+	
+	static getInstance(context : Context | null) : ScanBroadcastReceiver {
+		ScanBroadcastReceiver.instance.context = context;
+		return ScanBroadcastReceiver.instance;
+	}
+	
+	registerReceiver(callback: OnScanReceiverCallback) {
+		this.scanBroadcastReceiver = new ChainwayScanBroadcastReceiver(callback);
+		if(this.isOpenScan == false) {
+			this.isOpenScan = true;
+		}
+		this.intentFilter = new IntentFilter();
+		this.intentFilter!.addCategory(Intent.CATEGORY_DEFAULT);
+		this.intentFilter!.addAction("com.infowedge.data");
+
+		UTSAndroid.getUniActivity()!.registerReceiver(this.scanBroadcastReceiver, this.intentFilter);
+	}
+	
+	unregisterReceiver () {
+		let uniActivity: Activity | null = UTSAndroid.getUniActivity();
+		if(this.scanBroadcastReceiver != null) {
+			uniActivity!.unregisterReceiver(this.scanBroadcastReceiver);
+		}
+		
+		//停止扫描
+		if (this.isOpenScan){
+			this.isOpenScan = false;
+		}
+		
+		this.scanBroadcastReceiver = null;
+	}
+}
+
+class ChainwayScanBroadcastReceiver extends BroadcastReceiver {
+
+	private callback: OnScanReceiverCallback;
+	
+	constructor(callback: OnScanReceiverCallback) {
+		super();		
+		this.callback = callback;
+	}
+	
+	override onReceive(context : Context, intent : Intent) {
+		let action  = intent.getAction();
+		if(action == "com.infowedge.data") {
+			//let result = intent.getIntExtra("result", -1);
+			//console.log("result: " + result);
+			let data = intent.getStringExtra("data_string");
+			//let decode_data = intent.getByteArrayExtra("decode_data");
+			//console.log("decode_data: " + decode_data.toString());
+			//let symbol = intent.getIntExtra("symbology", -1);
+			//console.log("symbol: " + symbol)
+			//let time = intent.getIntExtra("decode_time", -1)
+			//console.log("time: " + time + "ms");
+			if(data != null) {
+				this.callback(data);
+			}
+		}
+		
+	}
+}