初始化插件

package.json

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+{
+  "name": "ubxredscan",
+  "version": "1.0.0",
+  "description": "ubx redscan",
+  "main": "index.js",
+  "scripts": {
+    "test": ""
+  },
+  "author": "",
+  "license": "ISC"
+}

plugin.xml

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+<?xml version='1.0' encoding='utf-8'?>
+<plugin id="cordova-plugin-ubx-redscan" version="1.0.0"
+    xmlns="http://apache.org/cordova/ns/plugins/1.0"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <name>ubxredscan</name>
+    <js-module name="ubxredscan" src="www/ubxredscan.js">
+        <clobbers target="cordova.plugins.ubxredscan" />
+    </js-module>
+    <platform name="android">
+        <config-file parent="/*" target="res/xml/config.xml">
+            <feature name="ubxredscan">
+                <param name="android-package" value="cordova.plugin.ubx.redscan.ubxredscan" />
+            </feature>
+        </config-file>
+        <config-file parent="/*" target="AndroidManifest.xml"></config-file>
+        <lib-file src="src/android/platform_sdk_v4.1.0326.jar"/>
+        <source-file src="src/android/ubxredscan.java" target-dir="src/cordova/plugin/ubx/redscan" />
+    </platform>
+</plugin>

src/android/build.gradle

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+dependencies {
+    implementation files('libs/platform_sdk_v4.1.0326.jar')
+}

src/android/ubxredscan.java

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+package cordova.plugin.ubx.redscan;
+import static com.ubx.usdk.util.ConvertUtils.bytesToHexString;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.device.scanner.configuration.PropertyID;
+import android.device.scanner.configuration.Symbology;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Handler;
+import android.os.Message;
+import android.preference.CheckBoxPreference;
+import android.preference.EditTextPreference;
+import android.preference.ListPreference;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.Toast;
+import android.device.ScanManager;
+import org.apache.cordova.CordovaPlugin;
+import org.apache.cordova.CallbackContext;
+import org.apache.cordova.PluginResult;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * This class echoes a string called from JavaScript.
+ */
+public class ubxredscan extends CordovaPlugin {
+    private static final String TAG = "ScanManager";
+
+    private static final String ACTION_DECODE = ScanManager.ACTION_DECODE;   // default action
+    private static final String ACTION_DECODE_IMAGE_REQUEST = "action.scanner_capture_image";
+    private static final String ACTION_CAPTURE_IMAGE = "scanner_capture_image_result";
+    private static final String BARCODE_LENGTH_TAG = ScanManager.BARCODE_LENGTH_TAG;
+    private static final String DECODE_DATA_TAG = ScanManager.DECODE_DATA_TAG;
+    
+    private ScanManager mScanManager = null;
+    private static boolean mScanEnable = true;
+    private static boolean mScanCaptureImageShow = false;
+
+    private static final int[] SCAN_KEYCODE = {520, 521, 522, 523};
+    private CallbackContext callbackContext;
+    private BroadcastReceiver mReceiver = new BroadcastReceiver() {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            try{
+                String action = intent.getAction();
+                LogI("onReceive , action:" + action);
+                byte[] barcode = intent.getByteArrayExtra(DECODE_DATA_TAG);
+                int barcodeLen = intent.getIntExtra(BARCODE_LENGTH_TAG, 0);
+                if (mScanCaptureImageShow) {
+                    context.sendBroadcast(new Intent(ACTION_DECODE_IMAGE_REQUEST));
+                }
+                String scanResult = new String(barcode, 0, barcodeLen);
+                JSONObject content = new JSONObject();
+                content.put("result", scanResult);
+                PluginResult pluginResult = new PluginResult(PluginResult.Status.OK,content);
+                pluginResult.setKeepCallback(false); // Keep callback
+                callbackContext.sendPluginResult(pluginResult);
+            } catch (JSONException e) {
+                Log.w(TAG, e);
+                callbackContext.error(e.getMessage());
+            }
+
+        }
+    };
+
+
+    @Override
+    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
+        if (action.equals("initredscan")) {
+            this.initScan(callbackContext);
+            return true;
+        }
+        if (action.equals("startredscan")) {
+            this.startDecode(callbackContext);
+            return true;
+        }
+        if (action.equals("stopredscan")) {
+            this.stopDecode(callbackContext);
+            return true;
+        }
+        if (action.equals("closeScanner")) {
+            this.closeScanner(callbackContext);
+            return true;
+        }
+        if (action.equals("lockTrigger")) {
+            this.lockTrigger(callbackContext);
+            return true;
+        }
+        if (action.equals("unlockTrigger")) {
+            this.unlockTrigger(callbackContext);
+            return true;
+        }
+        if (action.equals("resetScannerParameters")) {
+            this.resetScannerParameters(callbackContext);
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onDestroy() {
+        if (mScanManager != null) {
+            mScanManager = null;
+        }
+        cordova.getContext().unregisterReceiver(mReceiver);
+    }
+
+    private void initScan(CallbackContext callbackContext) {
+        JSONObject content = new JSONObject();
+        try {
+            mScanManager = new ScanManager();
+            boolean powerOn = mScanManager.getScannerState();
+            if (!powerOn) {
+                powerOn = mScanManager.openScanner();
+
+                if (!powerOn) {
+                    content.put("result", "init fail");
+                    PluginResult pluginResult = new PluginResult(PluginResult.Status.ERROR,content);
+                    pluginResult.setKeepCallback(false); // Keep callback
+                    callbackContext.sendPluginResult(pluginResult);
+                    return;
+                }
+            }
+            mScanManager.switchOutputMode(0);
+            IntentFilter filter = new IntentFilter();
+            int[] idbuf = new int[]{PropertyID.WEDGE_INTENT_ACTION_NAME, PropertyID.WEDGE_INTENT_DATA_STRING_TAG};
+            String[] value_buf = mScanManager.getParameterString(idbuf);
+            if (value_buf != null && value_buf[0] != null && !value_buf[0].equals("")) {
+                filter.addAction(value_buf[0]);
+            } else {
+                filter.addAction(ACTION_DECODE);
+            }
+            filter.addAction(ACTION_CAPTURE_IMAGE);
+            cordova.getContext().registerReceiver(mReceiver , filter);
+            content.put("result", "init success");
+            PluginResult pluginResult = new PluginResult(PluginResult.Status.OK,content);
+            pluginResult.setKeepCallback(false); // Keep callback
+            callbackContext.sendPluginResult(pluginResult);
+        } catch (JSONException e) {
+            Log.w(TAG, e);
+            callbackContext.error(e.getMessage());
+        }
+
+
+    }
+
+    private void startDecode(CallbackContext callbackContext) {
+        if (!mScanEnable) {
+            LogI("startDecode ignore, Scan enable:" + mScanEnable);
+            return;
+        }
+        boolean lockState = getlockTriggerState();
+        if (lockState) {
+            LogI("startDecode ignore, Scan lockTrigger state:" + lockState);
+            return;
+        }
+        if (mScanManager != null) {
+            this.callbackContext = callbackContext;
+            mScanManager.openScanner();
+            mScanManager.startDecode();
+        }
+    }
+
+    private void stopDecode(CallbackContext callbackContext) {
+        if (!mScanEnable) {
+            LogI("stopDecode ignore, Scan enable:" + mScanEnable);
+            return;
+        }
+        if (mScanManager != null) {
+            mScanManager.stopDecode();
+            callbackContext.success("OK");
+        }
+    }
+
+    private void closeScanner(CallbackContext callbackContext) {
+        if (!mScanEnable) {
+            LogI("stopDecode ignore, Scan enable:" + mScanEnable);
+            return;
+        }
+        if (mScanManager != null) {
+            mScanManager.closeScanner();
+            callbackContext.success("OK");
+        }
+    }
+
+    private void lockTrigger(CallbackContext callbackContext) {
+        if (!mScanEnable) {
+            LogI("stopDecode ignore, Scan enable:" + mScanEnable);
+            return;
+        }
+        if (mScanManager != null) {
+            mScanManager.lockTrigger();
+            callbackContext.success("OK");
+        }
+    }
+
+    private void unlockTrigger(CallbackContext callbackContext) {
+        if (!mScanEnable) {
+            LogI("stopDecode ignore, Scan enable:" + mScanEnable);
+            return;
+        }
+        if (mScanManager != null) {
+            mScanManager.unlockTrigger();
+            callbackContext.success("OK");
+        }
+    }
+
+    private void resetScannerParameters(CallbackContext callbackContext) {
+        if (!mScanEnable) {
+            LogI("stopDecode ignore, Scan enable:" + mScanEnable);
+            return;
+        }
+        if (mScanManager != null) {
+            mScanManager.resetScannerParameters();
+            callbackContext.success("OK");
+        }
+    }
+
+    private boolean getlockTriggerState() {
+        boolean state = mScanManager.getTriggerLockState();
+        return state;
+    }
+
+    private void LogI(String msg) {
+        android.util.Log.i(TAG, msg);
+    }
+
+}

www/ubxredscan.js

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+var exec = require('cordova/exec');
+
+exports.startredscan = function(success, error) {
+    exec(success, error, "ubxredscan", "startredscan", []);
+};
+
+exports.stopredscan = function(success, error) {
+    exec(success, error, "ubxredscan", "stopredscan", []);
+};
+
+exports.initredscan = function(success, error) {
+    exec(success, error, "ubxredscan", "initredscan", []);
+};
+
+exports.closeScanner = function(success, error) {
+    exec(success, error, "ubxredscan", "closeScanner", []);
+};
+
+exports.lockTrigger = function(success, error) {
+    exec(success, error, "ubxredscan", "lockTrigger", []);
+};
+exports.unlockTrigger = function(success, error) {
+    exec(success, error, "ubxredscan", "unlockTrigger", []);
+};
+exports.resetScannerParameters = function(success, error) {
+    exec(success, error, "ubxredscan", "resetScannerParameters", []);
+};