1. 新增LK-P34L印表機，印製嘉義路邊停車單功能

2. 新增LK-P34L，電量讀取功能

.idea/deploymentTargetDropDown.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <runningDeviceTargetSelectedWithDropDown>
+      <Target>
+        <type value="RUNNING_DEVICE_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="SERIAL_NUMBER" />
+            <value value="577125220043" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </runningDeviceTargetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2022-08-18T02:22:35.164972600Z" />
+  </component>
+</project>
\ No newline at end of file

app/build.gradle

@@ -56,6 +56,7 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation files('libs\\Sewoo_Android_1110.jar')
 
     implementation 'androidx.appcompat:appcompat:1.4.2'
     implementation 'com.google.android.material:material:1.6.1'

app/src/main/AndroidManifest.xml

@@ -13,9 +13,9 @@
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
     <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
-    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.FLASHLIGHT" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

app/src/main/java/ecom/android/newparkapp/BlueToothComm.java

@@ -318,4 +318,6 @@ public class BlueToothComm {
             e.printStackTrace();
         }
     }
+
+
 }
\ No newline at end of file

app/src/main/java/ecom/android/newparkapp/adapter/ConvertBindingAdapter.java

 package ecom.android.newparkapp.adapter;
 
 import android.graphics.Color;
+import android.graphics.drawable.Drawable;
 import android.widget.Button;
+import android.widget.ImageView;
 import android.widget.TextView;
 
+import androidx.core.content.res.ResourcesCompat;
 import androidx.databinding.BindingAdapter;
 
 import java.text.SimpleDateFormat;
@@ -62,4 +65,54 @@ public class ConvertBindingAdapter {
         textView.setTextColor(colorCode);
     }
 
+    @BindingAdapter("printerPowerPercent2String")
+    public static void PrinterPowerPercent2String(TextView textView, float printerPowerPercent){
+        String printerPowerPercentString = "未偵測到電池";
+        if (printerPowerPercent >= 0){
+            printerPowerPercentString = printerPowerPercent + "%";
+        }
+
+        textView.setText(printerPowerPercentString);
+    }
+    @BindingAdapter("printerPowerPercent2Image")
+    public static void PrinterPowerPercent2Image(ImageView imageView, float printerPowerPercent){
+        String uri = "@drawable/no_battery";
+        int batteryLevel = (int) printerPowerPercent/20;
+        if (printerPowerPercent < 0)
+        {
+            batteryLevel = -1;
+        }
+        switch (batteryLevel){
+            case 0:
+                uri = "@drawable/low_battery";
+                break;
+            case 1:
+                uri = "@drawable/low_battery";
+                break;
+            case 2:
+                uri = "@drawable/middle_battery";
+                break;
+            case 3:
+                uri = "@drawable/middle_battery";
+                break;
+            case 4:
+                uri = "@drawable/full_battery";
+                break;
+            case 5:
+                uri = "@drawable/full_battery";
+                break;
+            default:
+                uri = "@drawable/no_battery";
+                break;
+        }
+        int imageResource = imageView.getResources().getIdentifier(uri, null, imageView.getContext().getPackageName());
+        int currentImageResource = imageView.getTag()==null ? -1 : (int)imageView.getTag();
+
+        if (imageResource != currentImageResource){
+            Drawable res = ResourcesCompat.getDrawable(imageView.getResources(), imageResource, null);
+            imageView.setImageDrawable(res);
+            imageView.setTag(imageResource);
+        }
+    }
+
 }
\ No newline at end of file

app/src/main/java/ecom/android/newparkapp/entity/Case.java

 package ecom.android.newparkapp.entity;
 
-import android.bluetooth.BluetoothDevice;
-import android.content.pm.PackageManager;
 import android.location.Location;
-import android.os.Build;
 import android.os.Environment;
 
 import androidx.annotation.NonNull;
-import androidx.core.app.ActivityCompat;
-import androidx.lifecycle.MutableLiveData;
 import androidx.room.ColumnInfo;
 import androidx.room.Embedded;
 import androidx.room.Entity;
@@ -23,7 +18,6 @@ import java.util.Locale;
 import java.util.Objects;
 
 import ecom.android.newparkapp.Common;
-import ecom.android.newparkapp.R;
 import ecom.android.newparkapp.printer.CarPrinter_TPB250;
 import ecom.android.newparkapp.printer.IBluetoothPrinter;
 
@@ -289,12 +283,16 @@ public class Case {
         if (Objects.equals(bluetoothDeviceName.toUpperCase().trim(), "P58C")
                 || Objects.equals(bluetoothDeviceName.toUpperCase().trim(), "YH-TPB250")) {
             printer = new CarPrinter_TPB250();//汽車用TPB250型印表機版面
-        } else {
+        }else if (Objects.equals(bluetoothDeviceName.toUpperCase().trim(), "SW_891D")){
+            // TODO: 2022/8/3 加入 CarPrinter_LK-P34L 印表機功能
+            printer = null;
+        }
+        else {
             // TODO: 2022/8/3 實作 CarPrinter_PK105B 印表機功能
             printer = null;
             //printer = new CarPrinter_PK105B();//汽車用PK105B型印表機版面
         }
-        // TODO: 2022/8/3 加入 CarPrinter_LK-P34L 印表機功能
+
         return printer;
     }
 

app/src/main/java/ecom/android/newparkapp/printer/CarPrinter_LKP34L.java

+package ecom.android.newparkapp.printer;
+
+import static ecom.android.newparkapp.printer.IBluetoothPrinter.ResultCode.NOT_CONNECT;
+import static ecom.android.newparkapp.printer.IBluetoothPrinter.ResultCode.PRINT_SUCCESS;
+
+import android.bluetooth.BluetoothSocket;
+import android.graphics.Typeface;
+
+import com.sewoo.jpos.command.CPCLConst;
+import com.sewoo.jpos.command.ESCPOS;
+import com.sewoo.jpos.command.ESCPOSConst;
+import com.sewoo.jpos.printer.CPCLPrinter;
+import com.sewoo.jpos.printer.ESCPOSPrinter;
+import com.sewoo.jpos.printer.LKPrint;
+import com.sewoo.port.android.BluetoothPort;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import ecom.android.newparkapp.entity.Case;
+
+public class CarPrinter_LKP34L{
+    private ExtendCPCLPrinter cpclPrinter;
+
+    public CarPrinter_LKP34L() {
+        // 設置中文編碼
+        cpclPrinter = new ExtendCPCLPrinter("Big5");
+    }
+
+    public IBluetoothPrinter.ResultCode print(BluetoothPort bluetoothPort, Case thisCase) throws IOException {
+
+        Case carCase = thisCase;
+
+        if (!bluetoothPort.isConnected()) {
+            return NOT_CONNECT;
+        }
+
+        //2-inch
+        // 嘉義路邊停車列印測試
+        // 紙張 黑色標記底部 至 黑色標記頂部 距離為 14.6 cm，減去 1.5 mm 為 印表機最大高度 14.45 cm
+        // 紙張 寬為 5.6 cm
+        // LK-P34L dpi 為 203，最大高度為 1155 px，最大寬度為 448px
+        int nLineWidth = 448;
+        cpclPrinter.setForm(102, 203, 203, 1155, nLineWidth,1);
+        int paper_type = 0; // 0 -> Gas Paper, 1 -> Black Mark Paper, 2 -> Continuous Paper
+        cpclPrinter.setMedia(paper_type);
+
+        // 列印 billNumber1 Code 39
+        String billNumber1 = carCase.billingNumber1;
+        cpclPrinter.setCPCLBarcode(7,0,0);
+        cpclPrinter.printCPCLBarcode(CPCLConst.LK_CPCL_0_ROTATION, CPCLConst.LK_CPCL_BCS_39,1,CPCLConst.LK_CPCL_BCS_1RATIO, 60, 0, 0, billNumber1, 0);
+
+        // 列印 車號
+        String plateNumber = "8052-LZ";
+        cpclPrinter.printAndroidFont(110,100, Typeface.SANS_SERIF, plateNumber, nLineWidth, 35);
+
+        // 列印 車格編號
+        String spaceWithRoad = "A213 中山路A";
+        cpclPrinter.printAndroidFont(110,150, Typeface.SANS_SERIF, spaceWithRoad, nLineWidth, 35);
+
+        // 列印 停車日期
+        String parkingDate = "111年08月03日";
+        cpclPrinter.printAndroidFont(110,200,Typeface.SANS_SERIF, parkingDate, nLineWidth, 35);
+
+        // 列印 billNumber2 Code 39
+        String billNumber2 = "77B18300298";
+        cpclPrinter.setCPCLBarcode(7,0,0);
+        cpclPrinter.printCPCLBarcode(CPCLConst.LK_CPCL_0_ROTATION, CPCLConst.LK_CPCL_BCS_39,1,CPCLConst.LK_CPCL_BCS_1RATIO, 70, 0, 260, billNumber2, 0);
+
+        // 列印 繳費期限
+        String terminateYear = "111";
+        String terminateMonth = "08";
+        String terminateDay = "29";
+        cpclPrinter.printAndroidFont(103, 380, Typeface.SANS_SERIF, terminateYear, nLineWidth, 25);
+        cpclPrinter.printAndroidFont(203, 380, Typeface.SANS_SERIF, terminateMonth, nLineWidth, 25);
+        cpclPrinter.printAndroidFont(303, 380, Typeface.SANS_SERIF, terminateDay, nLineWidth, 25);
+
+        // 列印 停車時間
+        String parkingTime = "14:58";
+        String parkingFee = "25";
+        String userName = "系統測試";
+        int printYMovement = 50;
+        int printY = 480;
+        for (int i = 0; i < 4; i++){
+            if (i == 0){
+                // 繳費金額
+                cpclPrinter.printAndroidFont(130, printY, Typeface.SANS_SERIF, parkingFee, nLineWidth, 30);
+                // 簽章
+                cpclPrinter.printAndroidFont(240, printY, Typeface.SANS_SERIF, userName, nLineWidth, 30);
+            }else {
+                printY+=printYMovement;
+            }
+            // 停車時間
+            cpclPrinter.printAndroidFont(15, printY, Typeface.SANS_SERIF, parkingTime, nLineWidth, 30);
+            // 簽章
+            cpclPrinter.printAndroidFont(240, printY, Typeface.SANS_SERIF, "________", nLineWidth, 30);
+        }
+
+        // 開始列印
+        cpclPrinter.printForm();
+
+        return PRINT_SUCCESS;
+    }
+
+    public String getPowerPercentFull(){
+        return cpclPrinter.getPowerPercentFull();
+    }
+
+    // 基於原先 SDK CPCLPrinter 進行命令擴充
+    private class ExtendCPCLPrinter extends CPCLPrinter {
+        public ExtendCPCLPrinter(){
+            super();
+        }
+
+        public ExtendCPCLPrinter(String charset){
+            super(charset);
+        }
+
+        public String getPowerPercentFull(){
+            return getVar("power.PercentFull");
+        }
+
+        public String getPowerStatus(){
+            return getVar("power.status");
+        }
+
+        public String getPowerVoltage(){
+            return getVar("power.voltage");
+        }
+
+        private String getVar(String parameter){
+            String varString = "";
+            byte[] recivedBuffer = new byte[8];
+            this.clearBuffer();
+            StringBuffer currentStringBuffer =  this.getBuffer();
+            currentStringBuffer.append("!");
+            currentStringBuffer.append(" ");
+            currentStringBuffer.append("U1");
+            currentStringBuffer.append(" ");
+            currentStringBuffer.append("getvar");
+            currentStringBuffer.append(" ");
+
+            currentStringBuffer.append(parameter);
+
+            // currentStringBuffer.append("power.PercentFull"); // 34, 57, 49, 37, 34 -> "91%"
+            // currentStringBuffer.append("power.status"); // 34, 111, 107, 34 -> "ok"
+            // currentStringBuffer.append("power.voltage"); // 34, 56, 46, 49, 34 -> "8.1"
+            currentStringBuffer.append(" ");
+            currentStringBuffer.append("\r\n");
+
+            this.requestQueue.addRequest(currentStringBuffer.toString().getBytes());
+
+            int resultCode = -1;
+
+            try {
+                resultCode = this.receiveByte(recivedBuffer);
+            } catch (IOException e) {
+                e.printStackTrace();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+
+            if (resultCode == -1){
+                return varString;
+            }
+            byte[] bytes = new byte[resultCode];
+            for (int i = 0; i < resultCode; i++){
+                bytes[i] = recivedBuffer[i];
+            }
+            return new String(bytes);
+        }
+    }
+}

app/src/main/java/ecom/android/newparkapp/printer/LKP34LCheckPrinterStatus.java

+package ecom.android.newparkapp.printer;
+
+import com.sewoo.jpos.command.ESCPOSConst;
+import com.sewoo.jpos.printer.ESCPOSPrinter;
+
+public class LKP34LCheckPrinterStatus {
+    private int returnValue;
+
+    public int PrinterStatus(ESCPOSPrinter posPtr)
+    {
+        returnValue = posPtr.printerCheck();
+        if(ESCPOSConst.LK_SUCCESS == returnValue)
+        {
+            returnValue = posPtr.status();
+            if(ESCPOSConst.LK_STS_NORMAL == returnValue)
+            { // No errors
+                return returnValue;
+            } else {
+                // Cover open error.
+                if((ESCPOSConst.LK_STS_COVER_OPEN & returnValue) > 0)
+                {
+                    return ESCPOSConst.LK_STS_COVER_OPEN;
+                }
+                // Paper empty error.
+                if((ESCPOSConst.LK_STS_PAPER_EMPTY & returnValue) > 0)
+                {
+                    return ESCPOSConst.LK_STS_PAPER_EMPTY;
+                }
+                // Battery low warning.
+                if((ESCPOSConst.LK_STS_BATTERY_LOW & returnValue) > 0)
+                {
+                    return ESCPOSConst.LK_STS_BATTERY_LOW;
+                }
+            }
+        } else { // Error(LK_FAIL, LK_STS_PRINTEROFF, LK_STS_TIMEOUT)
+            return returnValue;
+        }
+        return 0;
+    }
+}

app/src/main/java/ecom/android/newparkapp/printer/Sample_Print.java

+package ecom.android.newparkapp.printer;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Typeface;
+
+import com.sewoo.jpos.command.ESCPOS;
+import com.sewoo.jpos.command.ESCPOSConst;
+import com.sewoo.jpos.printer.ESCPOSPrinter;
+import com.sewoo.jpos.printer.LKPrint;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+
+public class Sample_Print {
+
+    private ESCPOSPrinter escposPrinter;
+
+    private final char ESC = ESCPOS.ESC;
+    private final char LF = ESCPOS.LF;
+
+    private LKP34LCheckPrinterStatus check_status;
+    private int sts;
+
+    public Sample_Print()
+    {
+        escposPrinter = new ESCPOSPrinter();    //Default = English.
+        //escposPrinter = new ESCPOSPrinter("EUC-KR"); // Korean.
+        //escposPrinter = new ESCPOSPrinter("GB2312"); //Chinese.
+        check_status = new LKP34LCheckPrinterStatus();
+    }
+
+    public int Print_Sample_2() throws UnsupportedEncodingException
+    {
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printNormal(ESC + "|cA" + ESC + "|bC" + ESC + "|2C" + "Receipt" + LF + LF);
+        escposPrinter.printNormal(ESC+"|rATEL (123)-456-7890\n\n\n");
+        escposPrinter.printNormal(ESC+"|cAThank you!!!\n");
+        escposPrinter.printNormal("Chicken                   $10.00\n");
+        escposPrinter.printNormal("Hamburger                 $20.00\n");
+        escposPrinter.printNormal("Pizza                     $30.00\n");
+        escposPrinter.printNormal("Lemons                    $40.00\n");
+        escposPrinter.printNormal("Drink                     $50.00\n");
+        escposPrinter.printNormal("Excluded tax             $150.00\n");
+        escposPrinter.printNormal(ESC+"|uCTax(5%)                    $7.50\n");
+        escposPrinter.printNormal(ESC+"|bC"+ESC+"|2CTotal    $157.50\n\n");
+        escposPrinter.printNormal("Payment                  $200.00\n");
+        escposPrinter.printNormal("Change                    $42.50\n\n");
+        escposPrinter.printBarCode("{Babc456789012", LKPrint.LK_BCS_Code128, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW); // Print Barcode
+
+        return 0;
+    }
+
+    public int Print_Sample_3() throws UnsupportedEncodingException
+    {
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printText("Receipt\r\n\r\n\r\n", LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_2WIDTH);
+        escposPrinter.printText("TEL (123)-456-7890\r\n", LKPrint.LK_ALIGNMENT_RIGHT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Thank you for coming to our shop!\r\n", LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Chicken                                   $10.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Hamburger                                 $20.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Pizza                                     $30.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Lemons                                    $40.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Drink                                     $50.00\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Excluded tax                             $150.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Tax(5%)                                    $7.50\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_UNDERLINE, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Total            $157.50\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_2WIDTH);
+        escposPrinter.printText("Payment                                  $200.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Change                                    $42.50\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        // Reverse print.
+        escposPrinter.printText("Change                                    $42.50\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT | LKPrint.LK_FNT_REVERSE, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printBarCode("0123456789", LKPrint.LK_BCS_Code39, 60, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+
+        return 0;
+    }
+
+    public int Print_Sample_3_korea() throws IOException
+    {
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        String data = "QRCode Test Left Alignment";
+
+        escposPrinter.printBitmap("//sdcard//temp//test//logo_m.jpg", LKPrint.LK_ALIGNMENT_CENTER);
+        escposPrinter.lineFeed(1);
+        escposPrinter.printQRCode(data, data.length(), 6, ESCPOSConst.LK_QRCODE_EC_LEVEL_L, ESCPOSConst.LK_ALIGNMENT_LEFT);
+
+        escposPrinter.printText("Thermal Receipt print\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_BOLD, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_2HEIGHT);
+        escposPrinter.printText("[영수증 출력]\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_BOLD, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_2HEIGHT);
+        escposPrinter.lineFeed(1);
+
+        escposPrinter.printText("SEWOO COFFEE SHOP\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_BOLD, LKPrint.LK_TXT_2WIDTH);
+        escposPrinter.printText("사업장 : 경기도 오산시 가장산업동로 28-6\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("매출일 : 2020-05-30   19:25:36\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("영수증 : No. 20200530-01-0049\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.lineFeed(1);
+
+        escposPrinter.printText("------------------------------------------------\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("상품명          단가     수량          금액 \r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_BOLD, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("------------------------------------------------\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("Choco Latte     5000       1           5000\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("Iced Coffee     3500       1           3500\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("녹차라떼        4500       2           9000\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("사이다          3500       2           7000\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("------------------------------------------------\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("합계 금액[Total Amount]               24,500\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_BOLD, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printText("------------------------------------------------\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH | LKPrint.LK_TXT_1HEIGHT);
+        escposPrinter.printBarCode("{B1234567890", LKPrint.LK_BCS_Code128, 60, 512, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.lineFeed(4);
+
+        return 0;
+    }
+
+    public int Print_Sample_4() throws UnsupportedEncodingException
+    {
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printText("Receipt\r\n\r\n\r\n", LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_2WIDTH);
+        escposPrinter.printText("TEL (123)-456-7890\r\n", LKPrint.LK_ALIGNMENT_RIGHT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Thank you for coming to our shop!\r\n", LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Chicken                                                        $10.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Hamburger                                                      $20.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Pizza                                                          $30.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Lemons                                                         $40.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Drink                                                          $50.00\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Excluded tax                                                  $150.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Tax(5%)                                                         $7.50\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_UNDERLINE, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Total                      $157.50\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_2WIDTH);
+        escposPrinter.printText("Payment                                                       $200.00\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printText("Change                                                         $42.50\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT, LKPrint.LK_TXT_1WIDTH);
+        // Reverse print.
+        escposPrinter.printText("Change                                                         $42.50\r\n\r\n", LKPrint.LK_ALIGNMENT_LEFT, LKPrint.LK_FNT_DEFAULT | LKPrint.LK_FNT_REVERSE, LKPrint.LK_TXT_1WIDTH);
+        escposPrinter.printBarCode("0123456789", LKPrint.LK_BCS_Code39, 80, 3, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+
+        return 0;
+    }
+
+    public int Print_1D_Barcode() throws UnsupportedEncodingException
+    {
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printBarCode("1234567890", LKPrint.LK_BCS_Code39, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.printBarCode("0123498765", LKPrint.LK_BCS_Code93, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.printBarCode("0987654321", LKPrint.LK_BCS_ITF, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.printBarCode("{ACODE 128", LKPrint.LK_BCS_Code128, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.printBarCode("{BCode 128", LKPrint.LK_BCS_Code128, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.printBarCode("{C12345", LKPrint.LK_BCS_Code128, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.printBarCode("A1029384756A", LKPrint.LK_BCS_Codabar, 40, 2, LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_HRI_TEXT_BELOW);
+        escposPrinter.printNormal(ESC + "|cA" + ESC + "|4C" + ESC + "|bC" + "Thank you" + LF);
+        escposPrinter.lineFeed(3);
+
+        return 0;
+    }
+
+    public int Print_2D_Barcode() throws UnsupportedEncodingException
+    {
+        String data = "ABCDEFGHIJKLMN";
+
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printString("PDF417\r\n");
+        escposPrinter.printPDF417(data, data.length(), 0, 10, ESCPOSConst.LK_ALIGNMENT_CENTER);
+        escposPrinter.printPDF417(data, data.length(), 4, 3, ESCPOSConst.LK_ALIGNMENT_CENTER);
+        escposPrinter.printString("QRCode\r\n");
+        escposPrinter.printQRCode(data, data.length(), 3, ESCPOSConst.LK_QRCODE_EC_LEVEL_L, ESCPOSConst.LK_ALIGNMENT_CENTER);
+        escposPrinter.printNormal(ESC + "|cA" + ESC + "|4C" + ESC + "|bC" + "Thank you" + LF);
+        escposPrinter.lineFeed(4);
+
+        return 0;
+    }
+
+    public int Print_Image() throws IOException
+    {
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printBitmap("//sdcard//temp//test//logo_s.jpg", LKPrint.LK_ALIGNMENT_CENTER);
+        escposPrinter.printBitmap("//sdcard//temp//test//sample_2.jpg", LKPrint.LK_ALIGNMENT_CENTER);
+        escposPrinter.printBitmap("//sdcard//temp//test//sample_3.jpg", LKPrint.LK_ALIGNMENT_LEFT);
+        escposPrinter.printBitmap("//sdcard//temp//test//sample_4.jpg", LKPrint.LK_ALIGNMENT_RIGHT);
+
+        Bitmap _bitmap = BitmapFactory.decodeFile("//sdcard//temp//test//logo_s.jpg");
+        escposPrinter.printBitmap(_bitmap, LKPrint.LK_ALIGNMENT_CENTER);
+        escposPrinter.printBitmap(_bitmap, LKPrint.LK_ALIGNMENT_CENTER, 0, 1);
+
+        escposPrinter.printBitmap(_bitmap, LKPrint.LK_ALIGNMENT_LEFT, 1);
+        escposPrinter.printBitmap(_bitmap, LKPrint.LK_ALIGNMENT_LEFT, 2);
+        escposPrinter.printBitmap(_bitmap, LKPrint.LK_ALIGNMENT_LEFT, 3);
+
+        escposPrinter.lineFeed(1);
+
+        escposPrinter.printString("<Using dithering>\r\n"); //Use Dithering when using alpha values(transparency).
+        escposPrinter.setDithering(ESCPOSConst.LK_BITMAP_ORDERED_DITHER);
+        escposPrinter.printBitmap("//sdcard//temp//test//parking.jpg", LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_PAPER_2INCH);
+        escposPrinter.lineFeed(1);
+        escposPrinter.setDithering(ESCPOSConst.LK_BITMAP_ERROR_DIFFUSION);
+        escposPrinter.printBitmap("//sdcard//temp//test//parking.jpg", LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_PAPER_2INCH);
+
+        escposPrinter.printNormal(ESC + "|cA" + ESC + "|bC" + ESC + "|4C" + "Thank you" + LF);
+        escposPrinter.lineFeed(3);
+
+        return 0;
+    }
+
+    public int Print_Android_Font() throws IOException
+    {
+        int nLineWidth = 384;
+
+        String data = "Receipt";
+        Typeface typeface = null;
+
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printAndroidFont(data, nLineWidth, 100, ESCPOSConst.LK_ALIGNMENT_CENTER);
+        escposPrinter.lineFeed(2);
+        escposPrinter.printAndroidFont("Left Alignment", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont("Center Alignment", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_CENTER);
+        escposPrinter.printAndroidFont("Right Alignment", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_RIGHT);
+
+        escposPrinter.lineFeed(2);
+        escposPrinter.printAndroidFont(Typeface.SANS_SERIF, "SANS_SERIF : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SERIF, "SERIF : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(typeface.MONOSPACE, "MONOSPACE : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+
+        escposPrinter.lineFeed(2);
+        escposPrinter.printAndroidFont(Typeface.SANS_SERIF, "SANS : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SANS_SERIF, true, "SANS BOLD : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SANS_SERIF, true, false, "SANS BOLD : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SANS_SERIF, false, true, "SANS ITALIC : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SANS_SERIF, true, true, "SANS BOLD ITALIC : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SANS_SERIF, true, true, true, "SANS B/I/U : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+
+        escposPrinter.lineFeed(2);
+        escposPrinter.printAndroidFont(Typeface.SERIF, "SERIF : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SERIF, true, "SERIF BOLD : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SERIF, true, false, "SERIF BOLD : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SERIF, false, true, "SERIF ITALIC : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SERIF, true, true, "SERIF BOLD ITALIC : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.SERIF, true, true, true, "SERIF B/I/U : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+
+        escposPrinter.lineFeed(2);
+        escposPrinter.printAndroidFont(Typeface.MONOSPACE, "MONOSPACE : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.MONOSPACE, true, "MONO BOLD : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.MONOSPACE, true, false, "MONO BOLD : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.MONOSPACE, false, true, "MONO ITALIC : 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.MONOSPACE, true, true, "MONO BOLD ITALIC: 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        escposPrinter.printAndroidFont(Typeface.MONOSPACE, true, true, true, "MONO B/I/U: 1234iwIW", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+
+        escposPrinter.lineFeed(4);
+
+        return 0;
+    }
+
+    public int Print_Multilingual() throws IOException
+    {
+        int nLineWidth = 384;
+        String Koreandata = "영수증";
+        String Turkishdata = "Turkish(İ,Ş,Ğ)";
+        String Russiandata = "Получение";
+        String Arabicdata = "الإيصال";
+        String Greekdata = "Παραλαβή";
+        String Japanesedata = "領収書";
+        String GB2312data = "收据";
+        String BIG5data = "收據";
+
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printAndroidFont("Korean Font", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // Korean 100-dot size font in android device.
+        escposPrinter.printAndroidFont(Koreandata, nLineWidth, 100, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.printAndroidFont("Turkish Font", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // Turkish 50-dot size font in android device.
+        escposPrinter.printAndroidFont(Turkishdata, nLineWidth, 50, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.printAndroidFont("Russian Font", 384, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // Russian 60-dot size font in android device.
+        escposPrinter.printAndroidFont(Russiandata, nLineWidth, 60, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.printAndroidFont("Arabic Font", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // Arabic 100-dot size font in android device.
+        escposPrinter.printAndroidFont(Arabicdata, nLineWidth, 100, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.printAndroidFont("Greek Font", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // Greek 60-dot size font in android device.
+        escposPrinter.printAndroidFont(Greekdata, nLineWidth, 60, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.printAndroidFont("Japanese Font", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // Japanese 100-dot size font in android device.
+        escposPrinter.printAndroidFont(Japanesedata, nLineWidth, 100, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.printAndroidFont("GB2312 Font", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // GB2312 100-dot size font in android device.
+        escposPrinter.printAndroidFont(GB2312data, nLineWidth, 100, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.printAndroidFont("BIG5 Font", nLineWidth, 24, ESCPOSConst.LK_ALIGNMENT_LEFT);
+        // BIG5 100-dot size font in android device.
+        escposPrinter.printAndroidFont(BIG5data, nLineWidth, 100, ESCPOSConst.LK_ALIGNMENT_CENTER);
+
+        escposPrinter.lineFeed(4);
+
+        return 0;
+    }
+
+    public int Print_PDF() throws IOException
+    {
+        sts = check_status.PrinterStatus(escposPrinter);
+        if(sts != ESCPOSConst.LK_SUCCESS) return sts;
+
+        escposPrinter.printPDFFile("//sdcard//temp//test//PDF_Sample.pdf", LKPrint.LK_ALIGNMENT_CENTER, LKPrint.LK_PAPER_2INCH, 2);
+        escposPrinter.lineFeed(3);
+
+        escposPrinter.printPDFFile("//sdcard//temp//test//PDF_Sample.pdf", LKPrint.LK_ALIGNMENT_LEFT, 300, 2);  //custom size
+        escposPrinter.lineFeed(3);
+
+        return 0;
+    }
+}

app/src/main/java/ecom/android/newparkapp/view/T02StartActivity.java

@@ -49,6 +49,7 @@ import ecom.android.newparkapp.entity.Space;
 import ecom.android.newparkapp.entity.User;
 import ecom.android.newparkapp.entity.VehicleType;
 import ecom.android.newparkapp.repository.ParkApiRepository;
+import ecom.android.newparkapp.viewModel.BlueToothPortViewModel;
 import ecom.android.newparkapp.viewModel.BlueToothViewModel;
 import ecom.android.newparkapp.viewModel.FusedGpsViewModel;
 import ecom.android.newparkapp.viewModel.T01SettingViewModel;
@@ -62,7 +63,9 @@ public class T02StartActivity extends AppCompatActivity {
     private T02StartViewModel t02StartViewModel;
     private T01SettingViewModel t01SettingViewModel;
     private FusedGpsViewModel fusedGpsViewModel;
-    private BlueToothViewModel blueToothViewModel;
+
+    //private BlueToothViewModel blueToothViewModel;
+    private BlueToothPortViewModel blueToothViewModel;
 
     //藍芽相關
     private ArrayAdapter<String> deviceNameArrayAdapter;
@@ -100,7 +103,10 @@ public class T02StartActivity extends AppCompatActivity {
         t02StartViewModel = viewModelProvider.get(T02StartViewModel.class);
         t01SettingViewModel = viewModelProvider.get(T01SettingViewModel.class);
         fusedGpsViewModel = viewModelProvider.get(FusedGpsViewModel.class);
-        blueToothViewModel = viewModelProvider.get(BlueToothViewModel.class);
+
+        //blueToothViewModel = viewModelProvider.get(BlueToothViewModel.class);
+        // 測試
+        blueToothViewModel = viewModelProvider.get(BlueToothPortViewModel.class);
 
         currentUser = t01SettingViewModel.getCurrentUser();
         shift = getIntent().getParcelableExtra("Shift");

app/src/main/java/ecom/android/newparkapp/viewModel/BlueToothPortViewModel.java

+package ecom.android.newparkapp.viewModel;
+
+import android.app.Application;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothSocket;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.widget.ArrayAdapter;
+
+import androidx.annotation.NonNull;
+import androidx.core.app.ActivityCompat;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import com.sewoo.port.android.BluetoothPort;
+import com.sewoo.request.android.RequestHandler;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.Set;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import ecom.android.newparkapp.R;
+import ecom.android.newparkapp.entity.Case;
+import ecom.android.newparkapp.printer.CarPrinter_LKP34L;
+import ecom.android.newparkapp.printer.IBluetoothPrinter;
+import ecom.android.newparkapp.printer.Sample_Print;
+
+public class BlueToothPortViewModel extends AndroidViewModel {
+    private ExecutorService executorService;
+
+    private BluetoothAdapter bluetoothAdapter;
+    private BTDeviceReceiver btDeviceReceiver;
+    private ArrayAdapter<String> deviceNameArrayAdapter;
+
+    private String[] bluetoothPermissions = new String[]{};
+
+    private MutableLiveData<BluetoothDevice> bluetoothDevice = new MutableLiveData<>();
+    private MutableLiveData<BlueToothViewModel.BlueToothStatus> blueToothStatusMutableLiveData = new MutableLiveData<>();
+    private MutableLiveData<Float> printerPowerPercentFull = new MutableLiveData<>();
+
+    private Timer getPrinterPowerPercentFullTimer = new Timer();
+    private TimerTask getPrinterPowerPercentFullTimerTask;
+
+    private BluetoothPort bluetoothPort;
+    private Thread bluetoothRequestThread;
+    private CarPrinter_LKP34L printer = new CarPrinter_LKP34L();
+
+    public BlueToothPortViewModel(@NonNull Application application) {
+        super(application);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            // Android 12 額外檢查藍芽權限
+            for (String permission : bluetoothPermissions){
+                if(ActivityCompat.checkSelfPermission(application, permission) != PackageManager.PERMISSION_GRANTED){
+                    return;
+                }
+            }
+        }
+
+        bluetoothPort = BluetoothPort.getInstance();
+        bluetoothPort.SetMacFilter(false);
+        executorService = Executors.newFixedThreadPool(application.getResources().getInteger(R.integer.number_db_thread_pool));
+        blueToothStatusMutableLiveData.setValue(BlueToothViewModel.BlueToothStatus.INIT);
+
+        bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+        deviceNameArrayAdapter = new ArrayAdapter<String>(application, R.layout.list_view_device_name_item);
+
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(BluetoothDevice.ACTION_FOUND);
+        filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
+
+        btDeviceReceiver = new BTDeviceReceiver();
+        application.registerReceiver(btDeviceReceiver, filter);
+
+        //取得已綁定過的裝置
+        Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
+        if (pairedDevices.size() > 0) {
+            for (BluetoothDevice device : pairedDevices) {
+                deviceNameArrayAdapter.add(device.getName() + "\n"
+                        + device.getAddress());
+            }
+        } else {
+            deviceNameArrayAdapter.add(application.getString(R.string.none_paired));
+        }
+
+        // 初始化電量
+        printerPowerPercentFull.setValue(-1.0f);
+        initGetprinterPowerPercentTimer();
+
+    }
+
+    private void initGetprinterPowerPercentTimer(){
+        getPrinterPowerPercentFullTimerTask = new TimerTask() {
+            @Override
+            public void run() {
+                updatePrinterPowerPercentFull();
+            }
+        };
+        getPrinterPowerPercentFullTimer.schedule(getPrinterPowerPercentFullTimerTask, 1000, 5000);
+    }
+
+    public LiveData<Float> getPrinterPowerPercentFull(){
+        return printerPowerPercentFull;
+    }
+
+    public LiveData<BlueToothViewModel.BlueToothStatus> getBlueToothStatus(){
+        return blueToothStatusMutableLiveData;
+    }
+
+    public LiveData<BluetoothDevice> getBluetoothDevice(){
+        return bluetoothDevice;
+    }
+
+    public ArrayAdapter<String> getDeviceNameArrayAdapter(){
+        return deviceNameArrayAdapter;
+    }
+
+    public BluetoothAdapter getBluetoothAdapter(){
+        return bluetoothAdapter;
+    }
+
+    /**
+     * 藍芽連線
+     * @param device 藍芽裝置
+     */
+    private void connect(BluetoothDevice device) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            // Android 12 額外檢查藍芽權限
+            for (String permission : bluetoothPermissions){
+                if(ActivityCompat.checkSelfPermission(getApplication(), permission) != PackageManager.PERMISSION_GRANTED){
+                    return;
+                }
+            }
+        }
+
+        if (device == null){
+            blueToothStatusMutableLiveData.setValue(BlueToothViewModel.BlueToothStatus.CONNECT_FAILED);
+            return;
+        }
+        bluetoothDevice.setValue(device);
+
+        executorService.execute(() -> {
+            blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.CONNECTING);
+            try {
+                BluetoothDevice thisBluetoothDevice = bluetoothDevice.getValue();
+                if (thisBluetoothDevice == null){
+                    blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.CONNECT_FAILED);
+                    return;
+                }
+                bluetoothPort.connect(thisBluetoothDevice);
+                if (bluetoothPort.isConnected()){
+                    // 啟動 requestHandler 背景續，監聽處理各項藍芽任務
+                    RequestHandler requestHandler = new RequestHandler();
+                    bluetoothRequestThread = new Thread(requestHandler);
+                    bluetoothRequestThread.start();
+                    blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.CONNECT_SUCCESS);
+                }else {
+                    blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.CONNECT_FAILED);
+                }
+
+            } catch (IOException e) {
+                e.printStackTrace();
+                try {
+                    if (bluetoothPort != null) {
+                        bluetoothPort.disconnect();
+                    }
+                    blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.CONNECT_FAILED);
+                } catch (IOException | InterruptedException ex) {
+                    ex.printStackTrace();
+                }
+            }
+        });
+    }
+
+    public void connect(String address){
+        BluetoothDevice bluetoothDeviceFromAddress = bluetoothAdapter.getRemoteDevice(address);
+        connect(bluetoothDeviceFromAddress);
+    }
+    /**
+     * 中斷當前藍芽連線
+     */
+    public void disconnect(){
+        if (bluetoothPort.isConnected()){
+            try {
+                bluetoothPort.disconnect();
+            } catch (IOException e) {
+                e.printStackTrace();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+        if (bluetoothRequestThread != null || bluetoothRequestThread.isAlive()){
+            bluetoothRequestThread.interrupt();
+        }
+    }
+
+    /**
+     * 開始藍芽搜尋
+     */
+    public void startDiscovery() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            // Android 12 額外檢查藍芽權限
+            for (String permission : bluetoothPermissions){
+                if(ActivityCompat.checkSelfPermission(getApplication(), permission) != PackageManager.PERMISSION_GRANTED){
+                    return;
+                }
+            }
+        }
+
+        if (bluetoothAdapter != null && !bluetoothAdapter.isDiscovering()){
+            bluetoothAdapter.startDiscovery();
+        }
+    }
+
+    /**
+     * 停止藍芽搜尋
+     */
+    public void cancelDiscovery() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            // Android 12 額外檢查藍芽權限
+            for (String permission : bluetoothPermissions){
+                if(ActivityCompat.checkSelfPermission(getApplication(), permission) != PackageManager.PERMISSION_GRANTED){
+                    return;
+                }
+            }
+        }
+
+        if (bluetoothAdapter != null && bluetoothAdapter.isDiscovering()){
+            bluetoothAdapter.cancelDiscovery();
+        }
+    }
+
+    public void printCase(Case tempCase) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            // Android 12 額外檢查藍芽權限
+            for (String permission : bluetoothPermissions){
+                if(ActivityCompat.checkSelfPermission(getApplication(), permission) != PackageManager.PERMISSION_GRANTED){
+                    return;
+                }
+            }
+        }
+
+        blueToothStatusMutableLiveData.setValue(BlueToothViewModel.BlueToothStatus.PRINTING);
+        executorService.execute(() ->{
+            try {
+                printer.print(bluetoothPort, tempCase);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+
+            blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.PRINT_COMPLETE);
+
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.CONNECT_SUCCESS);
+        });
+
+
+
+        /*-----取得CasePrinter-----*/
+//        CarPrinter_LKP34L printer = new CarPrinter_LKP34L();
+//        try {
+//            printer.print(bluetoothPort, tempCase);
+//        } catch (IOException e) {
+//            e.printStackTrace();
+//            blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.PRINT_FAILED);
+//            return;
+//        }
+//
+//        blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.PRINT_COMPLETE);
+//        try {
+//            Thread.sleep(1000);
+//        } catch (InterruptedException e) {
+//            e.printStackTrace();
+//        }
+//        blueToothStatusMutableLiveData.postValue(BlueToothViewModel.BlueToothStatus.CONNECT_SUCCESS);
+
+    }
+
+    /**
+     * 監聽藍芽裝置廣播
+     */
+    private class BTDeviceReceiver extends BroadcastReceiver {
+
+        @Override
+        public void onReceive(Context context, @NonNull Intent intent) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+                // Android 12 額外檢查藍芽權限
+                for (String permission : bluetoothPermissions){
+                    if(ActivityCompat.checkSelfPermission(getApplication(), permission) != PackageManager.PERMISSION_GRANTED){
+                        return;
+                    }
+                }
+            }
+
+            String action = intent.getAction();
+
+            if (BluetoothDevice.ACTION_FOUND.equals(action)) {//如果藍芽掃瞄有裝置
+                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+                if (device == null) {
+                    return;
+                }
+                if (device.getBondState() != BluetoothDevice.BOND_BONDED
+                        && deviceNameArrayAdapter.getPosition(device.getName() + "\n" + device.getAddress()) < 0) {
+                    deviceNameArrayAdapter.add(device.getName() + "\n" + device.getAddress());
+                }
+            } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
+                if (deviceNameArrayAdapter.getCount() == 0) {
+                    String noDevices = getApplication().getString(R.string.none_found);
+                    deviceNameArrayAdapter.add(noDevices);
+                }
+            }
+        }
+    }
+
+    private void updatePrinterPowerPercentFull(){
+        if (!blueToothStatusMutableLiveData.getValue().equals(BlueToothViewModel.BlueToothStatus.CONNECT_SUCCESS)){
+            return;
+        }
+        String powerPercentFull = printer.getPowerPercentFull();
+        if (powerPercentFull != null || !powerPercentFull.trim().isEmpty()){
+            String purePowerPercentFull = powerPercentFull.substring(1, powerPercentFull.length() - 2);
+            float purePowerPercentFullFloat = Float.parseFloat(purePowerPercentFull);
+            printerPowerPercentFull.postValue(purePowerPercentFullFloat);
+        }
+    }
+
+    public enum BlueToothStatus{
+        INIT,CONNECTING ,CONNECT_SUCCESS, CONNECT_FAILED,PRINTING,PRINT_COMPLETE, PRINT_FAILED
+    }
+}

app/src/main/java/ecom/android/newparkapp/viewModel/BlueToothViewModel.java

@@ -24,6 +24,8 @@ import androidx.lifecycle.AndroidViewModel;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
+import com.sewoo.port.android.BluetoothPort;
+
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.Set;

app/src/main/res/layout/activity_t02_start.xml

@@ -15,7 +15,7 @@
 
         <variable
             name="blueToothViewModel"
-            type="ecom.android.newparkapp.viewModel.BlueToothViewModel" />
+            type="ecom.android.newparkapp.viewModel.BlueToothPortViewModel" />
     </data>
 <androidx.core.widget.NestedScrollView
     android:id="@+id/t02_start_border"
@@ -74,23 +74,25 @@ tools:layout_editor_absoluteY="25dp">
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_weight="0.5"
-            android:orientation="vertical">
+            android:orientation="vertical"
+            android:layout_gravity="center">
+
             <ImageView
                 android:id="@+id/imageView"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
+                android:layout_height="20dp"
                 android:layout_weight="1"
                 android:rotation="0"
-                app:srcCompat="@android:drawable/button_onoff_indicator_on" />
+                app:printerPowerPercent2Image="@{blueToothViewModel.printerPowerPercentFull}"/>
 
             <TextView
                 android:id="@+id/textView22"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
-                android:text="   98%"
                 android:textAlignment="center"
-                android:textSize="16sp" />
+                android:textSize="16sp"
+                app:printerPowerPercent2String="@{blueToothViewModel.printerPowerPercentFull}"/>
         </LinearLayout>
 
     </LinearLayout>