添加打印sdk相关代码；编写标准打印接口以及状态码

print/build.gradle

@@ -31,4 +31,10 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+
+    /**
+     * 创捷机器打印jar包
+     */
+    implementation files('libs/CJusbjar.jar')
+    implementation files('libs/PrintCmd.jar')
 }

print/src/main/java/com/miya/print/BasePrinter.java

+package com.miya.print;
+
+import android.content.Context;
+
+/**
+ * 打印基类
+ */
+public class BasePrinter implements IPrinter {
+
+    /**
+     * 初始化调用者的引用
+     */
+    Context context;
+
+    /**
+     * 当前状态码，具体值参考全局状态码
+     */
+    int status;
+
+    @Override
+    public boolean init(Context context) {
+        return false;
+    }
+
+    @Override
+    public boolean release() {
+        return false;
+    }
+
+    @Override
+    public int beginPrint() {
+        return 0;
+    }
+}

print/src/main/java/com/miya/print/ChuangjiePrinter.java

+package com.miya.print;
+
+import android.hardware.usb.UsbDevice;
+import android.hardware.usb.UsbManager;
+
+import com.miya.print.utils.D;
+import com.printsdk.cmd.PrintCmd;
+import com.printsdk.usbsdk.UsbDriver;
+
+/**
+ * 创捷打印驱动
+ */
+public class ChuangjiePrinter extends BasePrinter {
+
+    private final static String TAG = ChuangjiePrinter.class.getSimpleName();
+
+    private final static int PID11 = 8211;
+    private final static int PID13 = 8213;
+    private final static int PID15 = 8215;
+    private final static int VENDORID = 1305;
+
+    private UsbDriver mUsbDriver;
+    private UsbManager mUsbManager;
+    public UsbDevice mUsbDev1;   // 内置打印机
+    public UsbDevice mUsbDev2;   // usb标签打印机
+    public UsbDevice mUsbDev;    // 公共打印机
+    private static final String ACTION_USB_PERMISSION = "com.usb.sample.USB_PERMISSION";
+
+
+    /**
+     * 0 打印机正常
+     * 1 打印机未连接或未上电
+     * 2 打印机和调用库不匹配
+     * 3 打印头打开
+     * 4 切刀未复位
+     * 5 打印头过热
+     * 6 黑标错误
+     * 7 纸尽
+     * 8 纸将尽
+     *
+     * @return
+     */
+    public synchronized int connet() {
+        int conState = -1;
+        //有时候会出现mUsbDev为空，但是mUsbDriver还在连接的情况
+        if (null == mUsbDev) {
+            if (mUsbDriver.isConnected()) {
+                mUsbDriver.disconnet();
+            }
+        }
+        getUsbDriverService();
+        //获取连接状态
+        if (null != mUsbDev) {
+            conState = getPrinterStatus(mUsbDev);
+        }
+        return conState;
+    }
+
+    /**
+     * 0 打印机正常
+     * 1 打印机未连接或未上电
+     * 2 打印机和调用库不匹配
+     * 3 打印头打开
+     * 4 切刀未复位
+     * 5 打印头过热
+     * 6 黑标错误
+     * 7 纸尽
+     * 8 纸将尽
+     *
+     * @param usbDev
+     * @return
+     */
+    private int getPrinterStatus(UsbDevice usbDev) {
+        int iRet = -1;
+        byte[] bRead1 = new byte[1];
+        byte[] bWrite1 = PrintCmd.getStatus1();
+        if (mUsbDriver.read(bRead1, bWrite1, usbDev) > 0) {
+            iRet = PrintCmd.checkStatus1(bRead1[0]);
+        }
+
+        if (iRet != 0)
+            return iRet;
+
+        byte[] bRead2 = new byte[1];
+        byte[] bWrite2 = PrintCmd.getStatus2();
+        if (mUsbDriver.read(bRead2, bWrite2, usbDev) > 0) {
+            iRet = PrintCmd.checkStatus2(bRead2[0]);
+        }
+
+        if (iRet != 0)
+            return iRet;
+
+        byte[] bRead3 = new byte[1];
+        byte[] bWrite3 = PrintCmd.getStatus3();
+        if (mUsbDriver.read(bRead3, bWrite3, usbDev) > 0) {
+            iRet = PrintCmd.checkStatus3(bRead3[0]);
+        }
+
+        if (iRet != 0)
+            return iRet;
+
+        byte[] bRead4 = new byte[1];
+        byte[] bWrite4 = PrintCmd.getStatus4();
+        if (mUsbDriver.read(bRead4, bWrite4, usbDev) > 0) {
+            iRet = PrintCmd.checkStatus4(bRead4[0]);
+        }
+        return iRet;
+    }
+
+    /**
+     * 获取UsbDriverService服务
+     *
+     * @return
+     */
+    private boolean getUsbDriverService() {
+        boolean blnRtn = false;
+        try {
+            if (!mUsbDriver.isConnected()) {
+                // USB线已经连接
+                for (UsbDevice device : mUsbManager.getDeviceList().values()) {
+                    if ((device.getProductId() == PID11 && device.getVendorId() == VENDORID)
+                            || (device.getProductId() == PID13 && device.getVendorId() == VENDORID)
+                            || (device.getProductId() == PID15 && device.getVendorId() == VENDORID)) {
+                        blnRtn = mUsbDriver.usbAttached(device);
+                        if (blnRtn == false) {
+                            break;
+                        }
+                        blnRtn = mUsbDriver.connect(device);
+                        // 打开设备
+                        if (blnRtn) {
+                            //内置打印机
+                            if (device.getProductId() == PID11) {
+                                mUsbDev1 = device;
+                                mUsbDev = mUsbDev1;
+                            } else {//USB打印机
+                                mUsbDev2 = device;
+                                mUsbDev = mUsbDev2;
+                                D.i(TAG, "USB连接成功");
+                                break;
+                            }
+                        } else {
+                            D.e(TAG, "USB连接失败");
+                            break;
+                        }
+                    }
+                }
+            } else {
+                blnRtn = true;
+            }
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return blnRtn;
+    }
+}

print/src/main/java/com/miya/print/IPrinter.java

 package com.miya.print;
 
+import android.content.Context;
+
 /**
  * 标准打印接口
  *
@@ -8,4 +10,78 @@ package com.miya.print;
  */
 public interface IPrinter {
 
+    //================全局状态码定义start===============//
+    /**
+     * 操作成功
+     */
+    int CODE_SUCCESS = 0;
+
+    /**
+     * 操作失败
+     */
+    int CODE_FAILED = -1;
+
+    /**
+     * 打印机未连接或未上电
+     */
+    int CODE_NOT_CONNECTED = 1;
+
+    /**
+     * 打印机和调用库不匹配
+     */
+    int CODE_NOT_MATCHED = 2;
+
+    /**
+     * 打印头打开
+     */
+    int CODE_PRINT_HEAD_OPENED = 3;
+
+    /**
+     * 切刀未复位
+     */
+    int CODE_KNIFE_ERROR = 4;
+
+    /**
+     * 打印头过热
+     */
+    int CODE_PRINT_HEAD_HOT = 5;
+
+    /**
+     * 黑标错误
+     */
+    int CODE_BLACK_ERROR = 6;
+
+    /**
+     * 纸尽
+     */
+    int CODE_NO_PAPER = 7;
+
+    /**
+     * 纸将尽
+     */
+    int CODE_FEW_PAPER = 8;
+    //================全局状态码定义end===============//
+
+    /**
+     * 初始化驱动
+     *
+     * @param context 调用者上下文索引
+     * @return true==>初始化成功；false==>初始化失败
+     */
+    boolean init(Context context);
+
+    /**
+     * 销毁资源
+     *
+     * @return
+     */
+    boolean release();
+
+    /**
+     * 开始新一轮打印
+     *
+     * @return 状态码
+     */
+    int beginPrint();
+
 }
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