我自己写的实验程序，里面包含有Zxing-2.0的core.jar文件就在libs文件夹内，需要的朋友可以到这来下载点击打开链接
2.解压出来后有很多例子文件，有各个平台的如：Android，IOS等。在文件中你会发现一个core文件夹里面有一个core.jar的文件，这个就是用来引入到工程的库文件。
3.下面是我自己写的类
package com.example.testzxing;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.PointF;
import android.graphics.Bitmap.Config;
import android.view.Gravity;
import android.view.View.MeasureSpec;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
public abstract class BarcodeCreater {
/**
* 图片两端所保留的空白的宽度
*/
private static int marginW=20;
/**
* 条形码的编码类型
*/
private static BarcodeFormat barcodeFormat= BarcodeFormat.CODE_128;
/**
* 生成条形码
* @param context
* @param contents 需要生成的内容
* @param desiredWidth 生成条形码的宽带
* @param desiredHeight 生成条形码的高度
* @param displayCode 是否在条形码下方显示内容
* @return
*/
public static Bitmap creatBarcode(Context context,String contents ,
int desiredWidth,int desiredHeight,boolean displayCode){
Bitmap ruseltBitmap=null;
if (displayCode) {
Bitmap barcodeBitmap=encodeAsBitmap(contents, barcodeFormat, desiredWidth, desiredHeight);
Bitmap codeBitmap=creatCodeBitmap(contents, desiredWidth+2*marginW, desiredHeight, context);
ruseltBitmap=mixtureBitmap(barcodeBitmap, codeBitmap, new PointF(0, desiredHeight));
} else {
ruseltBitmap=encodeAsBitmap(contents,barcodeFormat, desiredWidth, desiredHeight);
}
return ruseltBitmap;
}
/**
* 生成显示编码的Bitmap
* @param contents
* @param width
* @param height
* @param context
* @return
*/
protected static Bitmap creatCodeBitmap(String contents,int width,int height,Context context) {
TextView tv=new TextView(context);
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
tv.setLayoutParams(layoutParams);
tv.setText(contents);
tv.setHeight(height);
tv.setGravity(Gravity.CENTER_HORIZONTAL);
tv.setWidth(width);
tv.setDrawingCacheEnabled(true);
tv.setTextColor(Color.BLACK);
tv.measure(
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
tv.layout(0, 0, tv.getMeasuredWidth(),
tv.getMeasuredHeight());
tv.buildDrawingCache();
Bitmap bitmapCode=tv.getDrawingCache();
return bitmapCode;
}
/**
* 生成条形码的Bitmap
* @param contents 需要生成的内容
* @param format 编码格式
* @param desiredWidth
* @param desiredHeight
* @return
* @throws WriterException
*/
protected static Bitmap encodeAsBitmap(String contents, BarcodeFormat format,
int desiredWidth, int desiredHeight){
final int WHITE = 0xFFFFFFFF;
final int BLACK = 0xFF000000;
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result=null;
try {
result = writer.encode(contents, format, desiredWidth,
desiredHeight, null);
} catch (WriterException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
int width = result.getWidth();
int height = result.getHeight();
int[] pixels = new int[width * height];
// All are 0, or black, by default
for (int y = 0; y < height; y++) {
int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height,
Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
/**
* 将两个Bitmap合并成一个
* @param first
* @param second
* @param fromPoint 第二个Bitmap开始绘制的起始位置(相对于第一个Bitmap)
* @return
*/
protected static Bitmap mixtureBitmap(Bitmap first, Bitmap second,PointF fromPoint) {
if (first == null || second == null || fromPoint == null) {
return null;
}
Bitmap newBitmap = Bitmap.createBitmap(first.getWidth()+second.getWidth()+marginW, first.getHeight()+second.getHeight()
, Config.ARGB_4444);
Canvas cv = new Canvas(newBitmap);
cv.drawBitmap(first,marginW,0,null);
cv.drawBitmap(second, fromPoint.x, fromPoint.y, null);
cv.save(Canvas.ALL_SAVE_FLAG);
cv.restore();
return newBitmap;
}
}
