仿微信二维码生成以及条形码生成.docx

仿微信二维码生成以及条形码生成.docx

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仿微信二维码生成以及条形码生成

仿微信二维码生成以及条形码生成

[java]viewplaincopypackageyour.QRCode.namespace;importjava.io.File;importjava.io.FileOutputStream;importjava.util.HashMap;importjava.util.Map;importcom.google.zxing.BarcodeFormat;importcom.google.zxing.EncodeHintType;importcom.google.zxing.MultiFormatWriter;importcom.google.zxing.WriterException;importmon.BitMatrix;importcom.google.zxing.qrcode.decoder.ErrorCorrectionLevel;importandroid.app.Activity;importandroid.content.Context;importandroid.graphics.Bitmap;importandroid.graphics.Bitmap.Config;importandroid.graphics.BitmapFactory;importandroid.graphics.Canvas;importandroid.graphics.Color;importandroid.graphics.Matrix;importandroid.graphics.PointF;importandroid.graphics.Rect;importandroid.graphics.drawable.BitmapDrawable;importandroid.os.Bundle;importandroid.os.Environment;importandroid.util.Log;importandroid.view.Gravity;importandroid.view.View;importandroid.view.View.MeasureSpec;importandroid.view.ViewGroup.LayoutParams;importandroid.widget.Button;importandroid.widget.ImageView;importandroid.widget.LinearLayout;importandroid.widget.TextView;publicclassQRCodeTextActivityActivityextendsActivity{/**Calledwhentheactivityisfirstcreated.*/Buttonbtn1=null;Buttonbtn2=null;ImageViewivImageView=null;@OverridepublicvoidonCreate（BundlesavedInstanceState）{super.onCreate（savedInstanceState）;setContentView（R.layout.main）;btn1=（Button）findViewById（R.id.button1）;//条形码btn2=（Button）findViewById（R.id.button2）;//二维码ivImageView=（ImageView）findViewById（R.id.imageView1）;finalStringstrconteString="c2b0f58a6f09cafd1503c06ef08ac7aeb7ddb91a602dac145551c102143e6159e385cdc294";btn1.setOnClickListener（newView.OnClickListener（）{publicvoidonClick（Viewv）{BitmapmBitmap=null;mBitmap=creatBarcode（QRCodeTextActivityActivity.this,strconteString,300,300,true）;if（mBitmap!

=null）{ivImageView.setImageBitmap（mBitmap）;}}}）;btn2.setOnClickListener（newView.OnClickListener（）{publicvoidonClick（Viewv）{BitmapmBitmap=null;try{if（!

strconteString.equals（""））{mBitmap=Create2DCode（strconteString）;//Bitmapbm=//BitmapFactory.decodeResource（getResources（）,//R.drawable.diagnose1）;ivImageView.setImageBitmap（createBitmap（mBitmap,zoomBitmap（BitmapFactory.decodeResource（getResources（）,R.drawable.cccc）,100,100）））;}}catch（Exceptione）{e.printStackTrace（）;}}}）;}publicBitmapCreate2DCode（Stringstr）throwsWriterException{Map<EncodeHintType,Object>hints=newHashMap<EncodeHintType,Object>（）;hints.put（EncodeHintType.ERROR_CORRECTION,ErrorCorrectionLevel.L）;hints.put（EncodeHintType.CHARACTER_SET,"GBK"）;//hints.put（EncodeHintType.CHARACTER_SET,"UTF-8"）;//生成二维矩阵,编码时指定大小,不要生成了图片以后再进行缩放,这样会模糊导致识别失败BitMatrixmatrix=newMultiFormatWriter（）.encode（str,BarcodeFormat.QR_CODE,500,500,hints）;intwidth=matrix.getWidth（）;intheight=matrix.getHeight（）;//二维矩阵转为一维像素数组,也就是一直横着排了int[]pixels=newint[width*height];for（inti=0;i<pixels.length;i++）{pixels[i]=0xffffffff;}for（inty=0;y<height;y++）{for（intx=0;x<width;x++）{if（matrix.get（x,y））{pixels[y*width+x]=0xff000000;}}}Bitmapbitmap=Bitmap.createBitmap（width,height,Bitmap.Config.ARGB_8888）;//通过像素数组生成bitmap,具体参考apibitmap.setPixels（pixels,0,width,0,0,width,height）;returnbitmap;}publicFileGetCodePath（Stringname）{StringEXTERN_PATH=null;if（Environment.getExternalStorageState（）.equals（Environment.MEDIA_MOUNTED）==true）{EXTERN_PATH=android.os.Environment.getExternalStorageDirectory（）.getAbsolutePath（）+"/";Filef=newFile（EXTERN_PATH）;if（!

f.exists（））{f.mkdirs（）;}}returnnewFile（EXTERN_PATH+name）;}/***图片两端所保留的空白的宽度*/privateintmarginW=20;/***条形码的编码类型*/privateBarcodeFormatbarcodeFormat=BarcodeFormat.CODE_128;/***生成条形码**@paramcontext*@paramcontents*需要生成的内容*@paramdesiredWidth*生成条形码的宽带*@paramdesiredHeight*生成条形码的高度*@paramdisplayCode*是否在条形码下方显示内容*@return*/publicBitmapcreatBarcode（Contextcontext,Stringcontents,intdesiredWidth,intdesiredHeight,booleandisplayCode）{BitmapruseltBitmap=null;if（displayCode）{BitmapbarcodeBitmap=encodeAsBitmap（contents,barcodeFormat,desiredWidth,desiredHeight）;BitmapcodeBitmap=creatCodeBitmap（contents,desiredWidth+2*marginW,desiredHeight,context）;ruseltBitmap=mixtureBitmap（barcodeBitmap,codeBitmap,newPointF（0,desiredHeight））;}else{ruseltBitmap=encodeAsBitmap（contents,barcodeFormat,desiredWidth,desiredHeight）;}returnruseltBitmap;}/***生成显示编码的Bitmap**@paramcontents*@paramwidth*@paramheight*@paramcontext*@return*/protectedBitmapcreatCodeBitmap（Stringcontents,intwidth,intheight,Contextcontext）{TextViewtv=newTextView（context）;LinearLayout.LayoutParamslayoutParams=newLinearLayout.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（）;BitmapbitmapCode=tv.getDrawingCache（）;returnbitmapCode;}/***生成条形码的Bitmap**@paramcontents*需要生成的内容*@paramformat*编码格式*@paramdesiredWidth*@paramdesiredHeight*@return*@throwsWriterException*/protectedBitmapencodeAsBitmap（Stringcontents,BarcodeFormatformat,intdesiredWidth,intdesiredHeight）{finalintWHITE=0xFFFFFFFF;finalintBLACK=0xFF000000;MultiFormatWriterwriter=newMultiFormatWriter（）;BitMatrixresult=null;try{result=writer.encode（contents,format,desiredWidth,desiredHeight,null）;}catch（WriterExceptione）{//TODOAuto-generatedcatchblocke.printStackTrace（）;}intwidth=result.getWidth（）;intheight=result.getHeight（）;int[]pixels=newint[width*height];//Allare0,orblack,bydefaultfor（inty=0;y<height;y++）{intoffset=y*width;for（intx=0;x<width;x++）{pixels[offset+x]=result.get（x,y）?

BLACK:

WHITE;}}Bitmapbitmap=Bitmap.createBitmap（width,height,Bitmap.Config.ARGB_8888）;bitmap.setPixels（pixels,0,width,0,0,width,height）;returnbitmap;}/***将两个Bitmap合并成一个**@paramfirst*@paramsecond*@paramfromPoint*第二个Bitmap开始绘制的起始位置（相对于第一个Bitmap）*@return*/protectedBitmapmixtureBitmap（Bitmapfirst,Bitmapsecond,PointFfromPoint）{if（first==null||second==null||fromPoint==null）{returnnull;}BitmapnewBitmap=Bitmap.createBitmap（first.getWidth（）+second.getWidth（）+marginW,first.getHeight（）+second.getHeight（）,Config.ARGB_4444）;Canvascv=newCanvas（newBitmap）;cv.drawBitmap（first,marginW,0,null）;cv.drawBitmap（second,fromPoint.x,fromPoint.y,null）;cv.save（Canvas.ALL_SAVE_FLAG）;cv.restore（）;returnnewBitmap;}/***仿微信二维码开始***///图片剪切publicBitmapcutBitmap（BitmapmBitmap,Rectr,Bitmap.Configconfig）{intwidth=r.width（）;intheight=r.height（）;BitmapcroppedImage=Bitmap.createBitmap（width,height,config）;Canvascvs=newCanvas（croppedImage）;Rectdr=newRect（0,0,width,height）;cvs.drawBitmap（mBitmap,r,dr,null）;returncroppedImage;}/****合并图片**@paramsrc*@paramwatermark*@return*/privateBitmapcreateBitmap（Bitmapsrc,Bitmapwatermark）{Stringtag="createBitmap";Log.d（tag,"createanewbitmap"）;if（src==null）{returnnull;}intw=src.getWidth（）;inth=src.getHeight（）;intww=watermark.getWidth（）;intwh=watermark.getHeight（）;//createthenewblankbitmapBitmapnewb=Bitmap.createBitmap（w,h,Config.ARGB_8888）;//创建一个新的和SRC长度宽度一样的位图Canvascv=newCanvas（newb）;//drawsrcintocv.drawBitmap（src,0,0,null）;//在0，0坐标开始画入src//在src的中间画watermarkcv.drawBitmap（watermark,w/2-ww/2,h/2-wh/2,null）;//设置ic_launcher的位置//saveallclipcv.save（Canvas.ALL_SAVE_FLAG）;//保存//storecv.restore（）;//存储returnnewb;}/****缩放图片**@paramsrc*@paramdestWidth*@paramdestHeigth*@return*/privateBitmapzoomBitmap（Bitmapsrc,intdestWidth,intdestHeigth）{Stringtag="lessenBitmap";if（src==null）{returnnull;}intw=src.getWidth（）;//源文件的大小inth=src.getHeight（）;//calculatethescale-inthiscase=0.4ffloatscaleWidth=（（float）destWidth）/w;//宽度缩小比例floatscaleHeight=（（float）destHeigth）/h;//高度缩小比例Log.d（tag,"bitmapwidthis:

"+w）;Log.d（tag,"bitmapheightis:

"+h）;Log.d（tag,"newwidthis:

"+destWidth）;Log.d（tag,"newheightis:

"+destHeigth）;Log.d（tag,"scalewidthis:

"+scaleWidth）;Log.d（tag,"scaleheightis:

"+scaleHeight）;Matrixm=newMatrix（）;//矩阵m.postScale（scaleWidth,scaleHeight）;//设置矩阵比例BitmapresizedBitmap=Bitmap.createBitmap（src,0,0,w,h,m,true）;//直接按照矩阵的比例把源文件画入进行returnresizedBitmap;}}

[html]viewplaincopy<?

xmlversion="1.0"encoding="utf-8"?

><LinearLayoutxmlns:

android="android:

layout_width="fill_parent"android:

layout_height="fill_parent"android:

orientation="vertical"android:

background="#ffffff"><TextViewandroid:

layout_width="fill_parent"android:

layout_height="wrap_content"android:

text="@string/hello"/><Buttonandroid:

id="@+id/button1"android:

layout_width="match_parent"android:

layout_height="wrap_content"android:

text="条形码"/><Buttonandroid:

id="@+id/button2"android:

layout_width="match_parent"android:

layout_height="wrap_content"android:

text="二维码"/><RelativeLayoutandroid:

layout_width="match_parent"android:

layout_height="match_parent"><ImageViewandroid:

id="@+id/imageView1"android:

layout_width="wrap_content"android:

layout_height="wrap_c