Android Imitation micro-letter two-dimensional code and barcode _android

This example for you to share the Android imitation micro-letter two-dimensional code and barcode code, for your reference, the specific content as follows

Package your.

Qrcode.namespace;
Import Java.io.File;
Import Java.io.FileOutputStream;
Import Java.util.HashMap;

Import Java.util.Map;
Import Com.google.zxing.BarcodeFormat;
Import Com.google.zxing.EncodeHintType;
Import Com.google.zxing.MultiFormatWriter;
Import com.google.zxing.WriterException;
Import Com.google.zxing.common.BitMatrix;
Import Com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
Import android.app.Activity;
Import Android.content.Context;
Import Android.graphics.Bitmap;
Import Android.graphics.Bitmap.Config;
Import Android.graphics.BitmapFactory;
Import Android.graphics.Canvas;
Import Android.graphics.Color;
Import Android.graphics.Matrix;
Import Android.graphics.PointF;
Import Android.graphics.Rect;
Import android.graphics.drawable.BitmapDrawable;
Import Android.os.Bundle;
Import android.os.Environment;
Import Android.util.Log;
Import android.view.Gravity;
Import Android.view.View;
Import Android.view.View.MeasureSpec;
Import Android.view.ViewGroup.LayoutParams; ImPort Android.widget.Button;
Import Android.widget.ImageView;
Import Android.widget.LinearLayout;

Import Android.widget.TextView;  The public class Qrcodetextactivityactivity extends activity {/** called the ' when the ' is the ' The activity ' is the ' the '
 = NULL;
 Button btn2 = null;

 ImageView Ivimageview = null;
 @Override public void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);
 Setcontentview (R.layout.main); BTN1 = (Button) Findviewbyid (r.id.button1);//Barcode BTN2 = (Button) Findviewbyid (r.id.button2);//Two-dimensional code Ivimageview = (Image
 View) Findviewbyid (R.ID.IMAGEVIEW1);

 Final String strcontestring = "c2b0f58a6f09cafd1503c06ef08ac7aeb7ddb91a602dac145551c102143e6159e385cdc294";
  Btn1.setonclicklistener (New View.onclicklistener () {public void OnClick (View v) {Bitmap mbitmap = null;
  Mbitmap = Creatbarcode (Qrcodetextactivityactivity.this, strcontestring, +, true);
  if (Mbitmap!= null) {Ivimageview.setimagebitmap (MBITMAP);
 }
  }
 }); BTn2.setonclicklistener (New View.onclicklistener () {public void OnClick (View v) {Bitmap mbitmap = null;

   try {if (!strcontestring.equals ("")) {Mbitmap = Create2dcode (strcontestring);
   Bitmap BM =//Bitmapfactory.decoderesource (Getresources (),//R.DRAWABLE.DIAGNOSE1); Ivimageview.setimagebitmap (CreateBitmap (Mbitmap, Zoombitmap Bitmapfactory.decoderesource (GetResources (), R.
   DRAWABLE.CCCC), 100,100));
  } catch (Exception e) {e.printstacktrace ();
 }
  }
 }); Public Bitmap Create2dcode (String str) throws Writerexception {map<encodehinttype, object> hints = new HashMap
 <encodehinttype, object> ();
 Hints.put (Encodehinttype.error_correction, ERRORCORRECTIONLEVEL.L);
 Hints.put (Encodehinttype.character_set, "GBK");
 Hints.put (Encodehinttype.character_set, "UTF-8"); Generate a two-dimensional matrix, specify the size of the encoding, do not generate a picture and then zoom, which will blur the recognition failure Bitmatrix matrix = new Multiformatwriter (). Encode (str, barcodeformat.qr_
 CODE, hints, and so on; int Width = matrix.getwidth ();
 int height = matrix.getheight ();
 The two-dimensional matrix is transformed into one-dimensional pixel group, which is the int[] pixels = new int[width * height];
 for (int i = 0; i < pixels.length i++) {pixels[i] = 0xFFFFFFFF; for (int y = 0; y < height; y++) {for (int x = 0; x < width = x +) {if (Matrix.get (x, y)) {Pixels[y * WI
  DTH + x] = 0xff000000;
 }} Bitmap Bitmap = Bitmap.createbitmap (width, height, Bitmap.Config.ARGB_8888);
 Generate bitmap through the number of pixels, specific reference API Bitmap.setpixels (pixels, 0, width, 0, 0, width, height);
 return bitmap;
 Public File Getcodepath (string name) {string extern_path = null; if (Environment.getexternalstoragestate (). Equals (environment.media_mounted) = = True) {Extern_path = Android.os.Envir
  Onment.getexternalstoragedirectory (). GetAbsolutePath () + "/";
  File F = new file (Extern_path);
  if (!f.exists ()) {f.mkdirs ();
 } return new File (Extern_path + name);
 /** * The blank width reserved on both ends of the picture * * Private int marginw = 20; /** * Barcode Code type * Private BarCodeformat Barcodeformat = barcodeformat.code_128; /** * Generate Barcode * * @param context * @param contents * What needs to be generated * @param desiredwidth * Generate barcode Broadband * @param de  Siredheight * Generates barcode height * @param displaycode * Whether the content is displayed below the barcode * @return/Public Bitmap Creatbarcode
 Context, String contents, int desiredwidth, int desiredheight, Boolean displaycode) {Bitmap = 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; /** * Generate display encoded BITMAP * * @param contents * @param width * @param height * @param context * @return * * Protect Ed 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; /** * Generates barcode bitmap * * @param contents * What needs to be generated * @param format * encoding format * @param desiredwidth * @pa Ram Desiredheight * @return * @throws writerexception/protected Bitmap Encodeasbitmap (String contents, Barcodeforma t 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; /** * Merge two bitmap into one * @param first * @param second * @param frompoint * The starting position of the second bitmap to start drawing (relative to number one bitmap * * @return/protected Bitmap Mixturebitmap (BITMAP)Bitmap Second, PointF frompoint) {if (a = 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 (MARGINW, 0, NULL);
 Cv.drawbitmap (second, frompoint.x, frompoint.y, NULL);
 Cv.save (Canvas.all_save_flag);

 Cv.restore ();
 return newbitmap; /*** Imitation micro-letter two-dimensional code start ***///Picture Shearing public Bitmap cutbitmap (Bitmap mbitmap, Rect R, Bitmap.config Config) {int width = R.wi
 DTH ();
 int height = r.height ();
 Bitmap croppedimage = bitmap.createbitmap (width, height, config);
 Canvas cvs = new Canvas (croppedimage);
 Rect dr = new Rect (0, 0, width, height);
 Cvs.drawbitmap (Mbitmap, R, Dr, NULL);
 return croppedimage; /*** * Merge Pictures * * @param src * @param watermark * @return * * Private Bitmap CreateBitmap (Bitmap src, Bitmap wate
 Rmark) {String tag = ' CreateBitmap '; Log.d(Tag, "Create a new bitmap");
 if (src = null) {return null;
 int w = src.getwidth ();
 int h = src.getheight ();
 int ww = Watermark.getwidth ();
 int wh = Watermark.getheight (); The Create the new blank bitmap bitmap newb = Bitmap.createbitmap (W, H, config.argb_8888);//Creates a new bitmap with the same width as src length Canvas c

 v = new Canvas (NEWB); Draw src into cv.drawbitmap (src, 0, 0, NULL);//at 0, 0 coordinates begin to draw into SRC//in the middle of SRC Watermark cv.drawbitmap (watermark, W/2 -WW/2, H/2-WH/2, NULL);//Set Ic_launcher position/Save All Clip cv.save (canvas.all_save_flag);//Store CV.
 Restore ();//store return NEWB; /*** * Zoom picture * * @param src * @param destwidth * @param destheigth * @return/private Bitmap Zoombitmap (bitm
 AP src, int destwidth, int destheigth) {String tag = "Lessenbitmap";
 if (src = null) {return null;
 int w = src.getwidth ();//source file size int h = src.getheight (); Calculate the scale-in this case = 0.4f float ScaleWidth = ((float) destwidth)/w;//Width zoom FLOat ScaleHeight = ((float) destheigth)/h;//height reduction ratio log.d (tag, "Bitmap width is:" + W);
 LOG.D (Tag, "bitmap height is:" + h);
 LOG.D (Tag, "New width is:" + destwidth);
 LOG.D (Tag, "New height is:" + destheigth);
 LOG.D (Tag, "scale width is:" + scalewidth);
 LOG.D (tag, "scale height is:" + scaleheight); Matrix M = new Matrix ()//Matrix M.postscale (ScaleWidth, ScaleHeight);//set matrices proportional Bitmap Resizedbitmap = Bitmap.createbitmap (
 SRC, 0, 0, W, H, M, true);//directly according to the proportion of the matrix to the source file into the return resizedbitmap;

 }

}

<?xml version= "1.0" encoding= "Utf-8"?> <linearlayout xmlns:android= "http://schemas.android.com/apk/res/" Android "Android:layout_width=" Fill_parent "android:layout_height=" fill_parent "android:orientation=" vertical " android:background= "#ffffff" > <textview android:layout_width= "fill_parent android:layout_height=" Wrap_co Ntent "android:text=" @string/hello "/> <button android:id=" @+id/button1 "android:layout_width=" Match_ 
    Parent "android:layout_height=" wrap_content "android:text=" barcode "/> <button android:id=" @+id/button2 " Android:layout_width= "Match_parent" android:layout_height= "wrap_content" android:text= "Two-dimensional code"/> <Rel
      Ativelayout android:layout_width= "match_parent" android:layout_height= "match_parent" > <ImageView
      Android:id= "@+id/imageview1" android:layout_width= "wrap_content" android:layout_height= "Wrap_content" Android:layout_centerhorizontal= "true"
      Android:layout_centervertical= "true" android:scaletype= "Fitxy" android:src= "@drawable/ic_launcher"/&gt

  ;
 </RelativeLayout> </LinearLayout>

Picture art to do under processing. It looks like you need to make a stroke. PNG Transparent Background

In addition to two methods

/*** * Zoom picture and add stroke * * @param src * @param destwidth * @param destheigth * @return/private Bitmap Zoombitmapbord
 ER (Bitmap src, int destwidth, int destheigth) {String tag = "Lessenbitmap";
 if (src = null) {return null;
 int w = src.getwidth ();//source file size int h = src.getheight (); Calculate the scale-in this case = 0.4f float ScaleWidth = ((float) destWidth-4)/w;//width narrowing ratio float ScaleHeight
 = ((float) destHeigth-4)/h;//height reduction ratio log.d (tag, "Bitmap width is:" + W);
 LOG.D (Tag, "bitmap height is:" + h);
 LOG.D (Tag, "New width is:" + destwidth);
 LOG.D (Tag, "New height is:" + destheigth);
 LOG.D (Tag, "scale width is:" + scalewidth);
 LOG.D (tag, "scale height is:" + scaleheight); Matrix M = new Matrix ()//Matrix M.postscale (ScaleWidth, ScaleHeight);//set matrices proportional Bitmap Resizedbitmap = Bitmap.createbitmap ( SRC, 0, 0, W, H, M, true)//directly draw the source file in the proportion of the matrix to Bitmap newb = Bitmap.createbitmap (Destwidth, Destheigth, config.argb_88 88)//Create a new bitmap with the same width as src length Canvas CV = new Canvas (NEWB);
Cv.drawcolor (R.color.white);
 Cv.drawrgb (0,128,128); Cv.drawbitmap (Resizedbitmap, 2, 2, NULL);//Set Ic_launcher position/Save All Clip cv.save (canvas.all_save_flag);//save//s
 Tore Cv.restore ()//Storage return Getroundedcornerbitmap (NEWB); /** * Picture Fillet * @param bitmap * @return * * public static bitmap Getroundedcornerbitmap (bitmap bitmap) {bitmap OUTP
 UT = Bitmap.createbitmap (Bitmap.getwidth (), Bitmap.getheight (), config.argb_8888);
 Canvas Canvas = new Canvas (output);
 final int color = 0xff424242;
 Final Paint Paint = new Paint ();
 Final Rect Rect = new Rect (0, 0, bitmap.getwidth (), Bitmap.getheight ());
 Final RECTF RECTF = new RECTF (rect);
 Final float roundpx = 12;
 Paint.setantialias (TRUE);
 Canvas.drawargb (0, 0, 0, 0);
 Paint.setcolor (color);
 Canvas.drawroundrect (RECTF, ROUNDPX, ROUNDPX, paint);
 Paint.setxfermode (New Porterduffxfermode (mode.src_in));
 Canvas.drawbitmap (Bitmap, rect, rect, paint);

 return output;
 }

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