基于zxing
001package com.google.zxing.client.android;
002
003import java.util.Hashtable;
004
005import android.app.Activity;
006import android.graphics.Bitmap;
007import android.graphics.drawable.BitmapDrawable;
008import android.os.Bundle;
009import android.util.Log;
010import android.view.View;
011import android.view.View.OnClickListener;
012import android.widget.Button;
013import android.widget.EditText;
014import android.widget.ImageView;
015import android.widget.TextView;
016
017import com.google.zxing.BarcodeFormat;
018import com.google.zxing.BinaryBitmap;
019import com.google.zxing.ChecksumException;
020import com.google.zxing.EncodeHintType;
021import com.google.zxing.FormatException;
022import com.google.zxing.NotFoundException;
023import com.google.zxing.Result;
024import com.google.zxing.WriterException;
025import com.google.zxing.common.BitMatrix;
026import com.google.zxing.common.HybridBinarizer;
027import com.google.zxing.qrcode.QRCodeReader;
028import com.google.zxing.qrcode.QRCodeWriter;
029import com.test.RGBLuminanceSource;
030
031public class TestActivity extends Activity {
032 private static final String TAG = "TestActivity";
033
034 String path;
035 private final static String pFormat = "png";
036
037
038
039 protected void onCreate(Bundle savedInstanceState) {
040 super.onCreate(savedInstanceState);
041 setContentView(R.layout.testactivity);
042 //set
043 Button btn2 = (Button)findViewById(R.id.Button03);
044 btn2.setOnClickListener(new OnClickListener() {
045
046 @Override
047 public void onClick(View view) {
048 ImageView imgView = (ImageView)findViewById(R.id.ImageView01);
049 QRCodeReader reader = new QRCodeReader();
050 int width = 200, height = 200;
051 QRCodeWriter writer = new QRCodeWriter();
052 try {
053 EditText edit = (EditText)findViewById(R.id.EditText01);
054 //edit.getText();
055 Log.i(TAG, "编辑框中的内容： " + edit.getText().toString());
056// System.out.println(edit.getText().toString());
057 if(edit.getText().toString().length()<1)
058 {
059 return;
060 }
061
062 BitMatrix martix = writer.encode(edit.getText().toString(), BarcodeFormat.QR_CODE, width, height);
063 System.out.println("w:"+martix.width+"h:"+martix.height);
064 String imageFormat = "png";
065 Hashtable hints = newHashtable();
066 hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
067 BitMatrix bitMatrix = newQRCodeWriter().encode(edit.getText().toString(),BarcodeFormat.QR_CODE, width, height,hints);
068 int[] pixels = new int[width * height];
069 for (int y = 0; y < height; y++) {
070 for (int x = 0; x < width; x++) {
071 if(bitMatrix.get(x, y)){
072 pixels[y * width + x] =0xff000000;
073 }else{
074 pixels[y * width + x] = 0xffffffff;
075 }
076
077 }
078 }
079
080 Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
081
082 bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
083 imgView.setImageBitmap(bitmap);
084// RGBLuminanceSource source = new RGBLuminanceSource(bitmap);
085// LuminanceSource source = new RGBLuminanceSource(path);
086// BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
087// QRCodeReader reader2= new QRCodeReader();
088// Result result = reader2.decode(bitmap1);
089// System.out.println("res"+result.getText());
090
091 } catch (WriterException e) {
092 // TODO Auto-generated catch block
093 e.printStackTrace();
094 }
095 }
096 });
097
098 Button btn1 = (Button)findViewById(R.id.Button01);
099 btn1.setOnClickListener(new OnClickListener() {
100
101 @Override
102 public void onClick(View v) {
103 // TODO Auto-generated method stub
104 ImageView imgView =(ImageView)findViewById(R.id.ImageView01);
105 Hashtable hints = newHashtable();
106 hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
107 Bitmap bitmap = ((BitmapDrawable)imgView.getDrawable()).getBitmap();
108 RGBLuminanceSource source = newRGBLuminanceSource(bitmap);
109// LuminanceSource source = new RGBLuminanceSource(path);
110 BinaryBitmap bitmap1 = new BinaryBitmap(newHybridBinarizer(source));
111 QRCodeReader reader2= new QRCodeReader();
112 Result result;
113 try {
114 result = reader2.decode(bitmap1,hints);
115 System.out.println("res"+result.getText());
116 TextView text = (TextView)findViewById(R.id.TextView01);
117 text.setText(result.getText());
118 } catch (NotFoundException e) {
119 // TODO Auto-generated catch block
120 e.printStackTrace();
121 } catch (ChecksumException e) {
122 // TODO Auto-generated catch block
123 e.printStackTrace();
124 } catch (FormatException e) {
125 // TODO Auto-generated catch block
126 e.printStackTrace();
127 }
128 // System.out.println("res"+result.getText());
129 }
130 });
131 }
132}
