SUMIN掃碼和打印總結
1 調用掃碼驅動
1 調用sumins驅動代碼如下:
private void initScan() {
Intent intent = new Intent("com.summi.scan");
intent.setPackage("com.sunmi.sunmiqrcodescanner");
intent.putExtra("CURRENT_PPI", 0X0003);//當前分辨率
//M1和V1的最佳是800*480,PPI_1920_1080 = 0X0001;PPI_1280_720 =
//0X0002;PPI_BEST = 0X0003;
intent.putExtra("PLAY_SOUND", true);// 掃描完成聲音提示 默認true
intent.putExtra("PLAY_VIBRATE", false);
//掃描完成震動,默認false,目前M1硬件支持震動可用該配置,V1不支持
intent.putExtra("IDENTIFY_INVERSE_QR_CODE", true);// 識別反色二維碼,默認true
intent.putExtra("IDENTIFY_MORE_CODE", false);// 識別畫面中多個二維碼,默認false
intent.putExtra("IS_SHOW_SETTING", true);// 是否顯示右上角設置按鈕,默認true
intent.putExtra("IS_SHOW_ALBUM", true);// 是否顯示從相冊選擇圖片按鈕,默認true
startActivityForResult(intent, Decode);
}
2 掃碼完畢后我們直接走的方法是onActivityResult()方法,我們在這里可以
獲取到我們掃描的信息,對信息進行處理,代碼如下:
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 2 && data != null) {
Bundle bundle = data.getExtras();
ArrayList<HashMap<String, String>> result = (ArrayList<HashMap<String, String>>) bundle
.getSerializable("data");
Iterator<HashMap<String, String>> it = result.iterator();
while (it.hasNext()) {
HashMap<String, String> hashMap = it.next();
String value = hashMap.get("VALUE");
String[] split = value.split("=");
orderId = split[1];
//在這進行網絡請求,獲取我們的數據,獲取我們可使用工具的可用數量,如果可用數量是為0的話,我們就進行跳轉
getAvalibaleCount(orderId);
}
}
}
2 打印接口初始化
只接代碼:
/**
* 初始化打印回調接口
*/
private void initRPrint() {
callback = new ICallback.Stub() {
@Override
public void onRunResult(boolean isSuccess) throws RemoteException {
}
@Override
public void onReturnString(String result) throws RemoteException {
Log.i("Aaa", "printlength:" + value + "\n");
}
@Override
public void onRaiseException(int code, final String msg) throws RemoteException {
Log.i("aaa", "onRaiseException: " + msg);
runOnUiThread(new Runnable() {
@Override
public void run() {
// info.append("onRaiseException = " + msg + "\n");
}
});
}
};
init();
}
private void init() {
Intent intent = new Intent();
intent.setPackage("woyou.aidlservice.jiuiv5");
intent.setAction("woyou.aidlservice.jiuiv5.IWoyouService");
startService(intent);
bindService(intent, servicect2, Context.BIND_AUTO_CREATE);
}
ServiceConnection servicect2 = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
woyouService = IWoyouService.Stub.asInterface(service);
}
@Override
public void onServiceDisconnected(ComponentName name) {
woyouService = null;
}
};
3 調用驅動進行打印
Bitmap mBitmap;
private void rPrientTicket() {
ThreadPoolManager.getInstance().executeTask(new Runnable() {
@Override
public void run() {
if (mBitmap == null) {
mBitmap = BitmapFactory.decodeResource(getResources(), R.raw.test);
}
try {
//打印里面是前面是我們要打印的信息,后面是回調接口
woyouService.printText("產品名稱:" + productNam + "\n", callback); //我需要進行傳遞
}
});
}
4 生成二維碼
把我們要生成的二維碼的數據,傳遞到我們的生成二維碼圖片的方法中
//展示二維碼
private void showQR() {
ThreadPoolManager.getInstance().executeTask(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
try {
//這里我們需要我們自己定義一個獲取二維碼圖片,并顯示到我們的imageview上
//第一個參數是我們掃描獲取的數據
Bitmap bitmap = BytesUtil.createBitmap(value, 240);
iv_qr.setImageBitmap(bitmap);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
}
5 生成二維碼的線程池管理類
/**
* 線程管理類
*/
public class ThreadPoolManager {
private ExecutorService service;
private ThreadPoolManager() {
int num = Runtime.getRuntime().availableProcessors() * 20;
service = Executors.newFixedThreadPool(num);
}
private static final ThreadPoolManager manager = new
ThreadPoolManager();
public static ThreadPoolManager getInstance() {
return manager;
}
public void executeTask(Runnable runnable) {
service.execute(runnable);
}
}
生成二維碼的工具包
//自己創建的生成二維碼,顯示在相應的imageview上
public static Bitmap createBitmap(String data,int size){
try {
Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
//圖像數據轉換,使用了矩陣轉換
BitMatrix bitMatrix = new QRCodeWriter().encode(data, BarcodeFormat.QR_CODE, size, size, hints);
int[] pixels = new int[size * size];
//下面這里按照二維碼的算法,逐個生成二維碼的圖片,
//兩個for循環是圖片橫列掃描的結果
for (int y = 0; y < size; y++) {
for (int x = 0; x < size; x++) {
if (bitMatrix.get(x, y)) {
pixels[y * size + x] = 0xff000000;
} else {
pixels[y * size + x] = 0xffffffff;
}
}
}
//生成二維碼圖片的格式,使用ARGB_8888
Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
return bitmap;
} catch (WriterException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
總結:我們可以設置布局中的ImageView的寬高顯示我們需要大小的二維碼