百富POS机A920安卓系统打印功能的推动(2)

new Thread(new Runnable() {
            @Override
            public void run() {
                PrinterUtil printer = new PrinterUtil(CashierChoosePaymentActivity.this);
                printer.print("2018011800000000000345", "2018-01-19  11:27:52", "10.00");
            }
        }).start();

重要的获得 IPrinterprinter

package com.hisun.pos.utils.printer;
import android.graphics.Bitmap;
import com.pax.ipp.service.aidl.Exceptions;
import com.pax.ipp.service.aidl.dal.printer.EFontTypeAscii;
import com.pax.ipp.service.aidl.dal.printer.EFontTypeExtCode;
import com.pax.ipp.service.aidl.dal.printer.Pic;
import com.pax.ippi.dal.interfaces.IPrinter;
public class PrinterTester extends TestLog {
    private static PrinterTester printerTester;
    private IPrinter printer;
    private PrinterTester() {
        printer = GetObj.getDal().getPrinter();
    }
    public static PrinterTester getInstance() {
        if (printerTester == null) {
            printerTester = new PrinterTester();
        }
        return printerTester;
    }
    public void init() {
        try {
            printer.init();
            logTrue("init");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("init", e.toString());
        }
    }
    public String getStatus() {
        try {
            int status = printer.getStatus();
            logTrue("getStatus");
            return statusCode2Str(status);
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("getStatus", e.toString());
            return "";
        }
    }
    public void fontSet(EFontTypeAscii asciiFontType, EFontTypeExtCode cFontType) {
        try {
            printer.fontSet(asciiFontType, cFontType);
            logTrue("fontSet");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("fontSet", e.toString());
        }
    }
    public void spaceSet(byte wordSpace, byte lineSpace) {
        try {
            printer.spaceSet(wordSpace, lineSpace);
            logTrue("spaceSet");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("spaceSet", e.toString());
        }
    }
    public void printStr(String str, String charset) {
        try {
            printer.printStr(str, charset);
            logTrue("printStr");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("printStr", e.toString());
        }
    }
    public void step(int b) {
        try {
            printer.step(b);
            logTrue("setStep");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("setStep", e.toString());
        }
    }
    public void printBitmap(Bitmap bitmap) {
        try {
            Pic pic = new Pic(bitmap);
            printer.printBitmap(pic);
            logTrue("printBitmap");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("printBitmap", e.toString());
        }
    }
    public String start() {
        try {
            int res = printer.start();
            logTrue("start");
            return statusCode2Str(res);
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("start", e.toString());
            return "";
        }
    }
    public void leftIndents(short indent) {
        try {
            printer.leftIndent(indent);
            logTrue("leftIndent");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("leftIndent", e.toString());
        }
    }
    public int getDotLine() {
        try {
            int dotLine = printer.getDotLine();
            logTrue("getDotLine");
            return dotLine;
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("getDotLine", e.toString());
            return -2;
        }
    }
    public void setGray(int level) {
        try {
            printer.setGray(level);
            logTrue("setGray");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("setGray", e.toString());
        }
    }
    public void setDoubleWidth(boolean isAscDouble, boolean isLocalDouble) {
        try {
            printer.doubleWidth(isAscDouble, isLocalDouble);
            logTrue("doubleWidth");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("doubleWidth", e.toString());
        }
    }
    public void setDoubleHeight(boolean isAscDouble, boolean isLocalDouble) {
        try {
            printer.doubleHeight(isAscDouble, isLocalDouble);
            logTrue("doubleHeight");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("doubleHeight", e.toString());
        }
    }
    public void setInvert(boolean isInvert) {
        try {
            printer.invert(isInvert);
            logTrue("setInvert");
        } catch (Exceptions e) {
            e.printStackTrace();
            logErr("setInvert", e.toString());
        }
    }
    public String statusCode2Str(int status) {
        String res = "";
        switch (status) {
            case 0:
                res = "Success ";
                break;
            case 1:
                res = "Printer is busy ";
                break;
            case 2:
                res = "Out of paper ";
                break;
            case 3:
                res = "The format of print data packet error ";
                break;
            case 4:
                res = "Printer malfunctions ";
                break;
            case 8:
                res = "Printer over heats ";
                break;
            case 9:
                res = "Printer voltage is too low";
                break;
            case 240:
                res = "Printing is unfinished ";
                break;
            case 252:
                res = " The printer has not installed font library ";
                break;
            case 254:
                res = "Data package is too long ";
                break;
            default:
                break;
        }
        return res;
    }
}

首先应该获取IDal dal对象，再借助getPrinter()方法获得printer

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