uniapp调用芯烨xprinter打印机安卓sdk

阳光穿透心脏的1/2处 2023-10-03 08:53 5阅读 0赞

因为xprinter的安卓sdk需要在安卓项目里配置service，但是uniapp里云打包无法配置service，所以只能用原生插件离线打包的形式开发。[https://nativesupport.dcloud.net.cn/NativePlugin/offline\_package/android][https_nativesupport.dcloud.net.cn_NativePlugin_offline_package_android]

UniPlugin-Hello-AS安卓项目引入 PosPrinterSDK.jar

1.android自定义插件代码

package com.yf.xprinter;
    
    import android.app.Activity;
    import android.content.ComponentName;
    import android.content.Intent;
    import android.content.ServiceConnection;
    import android.os.IBinder;
    
    import com.taobao.weex.annotation.JSMethod;
    
    import net.posprinter.posprinterface.IMyBinder;
    import net.posprinter.posprinterface.ProcessData;
    import net.posprinter.posprinterface.TaskCallback;
    import net.posprinter.service.PosprinterService;
    import net.posprinter.utils.PosPrinterDev;
    import net.posprinter.utils.StringUtils;
    
    import java.util.HashMap;
    import java.util.List;
    
    import io.dcloud.feature.uniapp.bridge.UniJSCallback;
    import io.dcloud.feature.uniapp.common.UniModule;
    
    public class print extends UniModule {
        @JSMethod(uiThread = false)
        public String getVersion() {
            return "V20210622";
        }
    
        private static IMyBinder myBinder;
        private static ServiceConnection mSerconnection;
        @JSMethod(uiThread = false)
        public boolean serviceConnection(final UniJSCallback callback) {
            mSerconnection= new ServiceConnection() {
                @Override
                public void onServiceConnected(ComponentName name, IBinder service) {
                    myBinder= (IMyBinder) service;
                    callback.invokeAndKeepAlive("connect");
                }
    
                @Override
                public void onServiceDisconnected(ComponentName name) {
                    callback.invokeAndKeepAlive("disconnect");
                }
            };
    
            //bind service，get imyBinder
            Intent intent =new Intent(mWXSDKInstance.getContext(), PosprinterService.class);
    
            Activity activity = (Activity )mWXSDKInstance.getContext();
            activity.bindService(intent,mSerconnection,Activity.BIND_AUTO_CREATE);
            return true;
        }
    
        @JSMethod(uiThread = false)
        public List<String> getUsbPathNames() {
            return PosPrinterDev.GetUsbPathNames(mWXSDKInstance.getContext());
        }
    
        @JSMethod(uiThread = false)
        public boolean connectUsbPort(String usbAddress,final UniJSCallback callback) {
            myBinder.ConnectUsbPort(mWXSDKInstance.getContext(),usbAddress, new TaskCallback() {
                @Override
                public void OnSucceed() {
                    callback.invoke("succeed");
                }
    
                @Override
                public void OnFailed() {
                    callback.invoke("failed");
                }
            });
            return true;
        }
    
        @JSMethod(uiThread = false)
        public boolean testWrite(final UniJSCallback callback) {
            byte[] bytes= StringUtils.strTobytes("1234567890qwertyuiopakjbdscm nkjdv mcdskjb");
            myBinder.Write(bytes, new TaskCallback() {
                @Override
                public void OnSucceed() {
                    callback.invoke("succeed");
                }
    
                @Override
                public void OnFailed() {
                    callback.invoke("failed");
                }
            });
            return true;
        }
    
        @JSMethod(uiThread = false)
        public boolean write(byte[] bytes,final UniJSCallback callback) {
            myBinder.Write(bytes, new TaskCallback() {
                @Override
                public void OnSucceed() {
                    callback.invoke("succeed");
                }
    
                @Override
                public void OnFailed() {
                    callback.invoke("failed");
                }
            });
            return true;
        }
    
        @JSMethod(uiThread = false)
        public boolean writeSendData(final List<byte[]> byteList, final UniJSCallback callback) {
            myBinder.WriteSendData(new TaskCallback() {
                @Override
                public void OnSucceed() {
                    callback.invoke("succeed");
                }
    
                @Override
                public void OnFailed() {
                    callback.invoke("failed");
                }
            }, new ProcessData() {
                @Override
                public List<byte[]> processDataBeforeSend() {
                    return byteList;
                }
            });
            return true;
        }
    
    
    }

2.uniapp页面代码

<template>
    	<view>
    		<view>
    			<button @click="getversion()">getversion</button>
    			<button @click="serviceConnection()">serviceConnection</button>
    			<input style="width: 100%;" v-model="usbport"/>
    			<button @click="getUsbPathNames()">getUsbPathNames</button>
    			<button @click="connectUsbPort()">connectUsbPort</button>
    			<button @click="testWrite()">testWrite</button>
    			<button @click="printText()">printText</button>
    		</view>
    		<text v-for="(item,index) in msglist">{
       {item}}\n</text>
    	</view>
    </template>
    <script>
    	const xprinter = uni.requireNativePlugin('zzzili-xprinter');
    	export default {
    		data() {
    			return {
    				msglist: [],
    				usbport:'/dev/bus/usb/002/008'
    			}
    		},
    		onLoad() {
    			this.msglist.push('start test print')
    		},
    		methods: {
    			getversion: function() {
    				this.msglist.push(xprinter.getVersion());				
    			},
    			serviceConnection: function() {
    				
    				var that = this;
    				 var result = xprinter.serviceConnection(function(res){
    				 	console.log(res);
    				 	that.msglist.push(res);
    				 });				
    				this.msglist.push(JSON.stringify(result));
    			},
    			getUsbPathNames: function() {
    				var that = this;
    				var result = xprinter.getUsbPathNames();		
    				this.msglist.push(JSON.stringify(result));	
    			},
    			connectUsbPort: function() {
    				var that = this;
    				var result = xprinter.connectUsbPort(this.usbport,function(res){
    					console.log(res);
    					that.msglist.push(res);
    				});		
    				this.msglist.push(result);	
    			},
    			printText: function() {
    				var that = this;
    				var str = "123456789zbc";
    				var result = xprinter.write(str.getBytes(),function(res){
    					console.log(res);
    					that.msglist.push(res);
    				});		
    				this.msglist.push(result);	
    			},
    			testWrite: function() {
    				var that = this;
    				var result = xprinter.testWrite(function(res){
    					console.log(res);
    					that.msglist.push(res);
    				});		
    				this.msglist.push(result);	
    			},
    		}
    	}
    </script>
    <style>
    </style>

3.安卓项目AndroidManifest.xml文件中增加配置

[https_nativesupport.dcloud.net.cn_NativePlugin_offline_package_android]: https://nativesupport.dcloud.net.cn/NativePlugin/offline_package/android