二维码扫描

一款简单的二维码扫描例子

package com.ericssonlabs;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;

import com.google.zxing.WriterException;
import com.zxing.activity.CaptureActivity;
import com.zxing.encoding.EncodingHandler;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
/**
 * **********************************************************
 *  内容摘要	：二维码生成及扫瞄<p>
 *
 *  作者	：gy
 *  创建时间	：2013-6-5 上午10:56:36 
 *  当前版本号：v1.0
 *  历史记录	:
 *  	日期	: 2013-6-5 上午10:56:36 	修改人：
 *  	描述	:
 ***********************************************************
 */
public class BarCodeTestActivity extends Activity 
{
	private TextView resultTextView;
	private EditText qrStrEditText;
	private ImageView qrImgImageView;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        resultTextView = (TextView) this.findViewById(R.id.tv_scan_result);
        qrStrEditText = (EditText) this.findViewById(R.id.et_qr_string);
        qrImgImageView = (ImageView) this.findViewById(R.id.iv_qr_image);
        
        Button scanBarCodeButton = (Button) this.findViewById(R.id.btn_scan_barcode);
        scanBarCodeButton.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				//打开扫描界面扫描条形码或二维码
				Intent openCameraIntent = new Intent(BarCodeTestActivity.this, CaptureActivity.class);
				startActivityForResult(openCameraIntent, 0);
			}
		});
        
        Button generateQRCodeButton = (Button) this.findViewById(R.id.btn_add_qrcode);
        generateQRCodeButton.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				try {
					String contentString = qrStrEditText.getText().toString();
					if (contentString != null && contentString.trim().length() > 0) {
						//根据字符串生成二维码图片并显示在界面上，第二个参数为图片的大小（350*350）
						Bitmap qrCodeBitmap =EncodingHandler.createQRCode(contentString, 350);
						qrImgImageView.setImageBitmap(qrCodeBitmap);
					}else {
						Toast.makeText(BarCodeTestActivity.this, "Text can not be empty", Toast.LENGTH_SHORT).show();
					}
					
				} catch (WriterException e) {
					e.printStackTrace();
				}
			}
		});
    }

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		//处理扫描结果（在界面上显示）
		if (resultCode == RESULT_OK) {
			Bundle bundle = data.getExtras();
			String scanResult = bundle.getString("result");
			resultTextView.setText(scanResult);
		}
	}
	
}

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资源文件列表

LaiFuS/.classpath , 466
LaiFuS/.project , 842
LaiFuS/.settings/org.eclipse.jdt.core.prefs , 587
LaiFuS/AndroidManifest.xml , 1402
LaiFuS/bin/AndroidManifest.xml , 1402
LaiFuS/bin/classes/com/zbar/lib/bitmap/InvertedLuminanceSource.class , 1811
LaiFuS/bin/classes/com/zbar/lib/bitmap/LuminanceSource.class , 2270
LaiFuS/bin/classes/com/zbar/lib/bitmap/PlanarYUVLuminanceSource.class , 3217
LaiFuS/bin/classes/com/zbar/lib/BuildConfig.class , 333
LaiFuS/bin/classes/com/zbar/lib/camera/AutoFocusCallback.class , 1604
LaiFuS/bin/classes/com/zbar/lib/camera/CameraConfigurationManager.class , 7031
LaiFuS/bin/classes/com/zbar/lib/camera/CameraManager.class , 4351
LaiFuS/bin/classes/com/zbar/lib/camera/FlashlightManager.class , 4574
LaiFuS/bin/classes/com/zbar/lib/camera/PreviewCallback.class , 2021
LaiFuS/bin/classes/com/zbar/lib/CaptureActivity$1.class , 808
LaiFuS/bin/classes/com/zbar/lib/CaptureActivity.class , 8439
LaiFuS/bin/classes/com/zbar/lib/decode/CaptureActivityHandler$State.class , 1280
LaiFuS/bin/classes/com/zbar/lib/decode/CaptureActivityHandler.class , 2058
LaiFuS/bin/classes/com/zbar/lib/decode/DecodeHandler.class , 3967
LaiFuS/bin/classes/com/zbar/lib/decode/DecodeThread.class , 1071
LaiFuS/bin/classes/com/zbar/lib/decode/FinishListener.class , 1121
LaiFuS/bin/classes/com/zbar/lib/decode/InactivityTimer$DaemonThreadFactory.class , 911
LaiFuS/bin/classes/com/zbar/lib/decode/InactivityTimer.class , 1834
LaiFuS/bin/classes/com/zbar/lib/Main$1.class , 964
LaiFuS/bin/classes/com/zbar/lib/Main$2.class , 813
LaiFuS/bin/classes/com/zbar/lib/Main$3.class , 783
LaiFuS/bin/classes/com/zbar/lib/Main.class , 2770
LaiFuS/bin/classes/com/zbar/lib/MainActivity$1.class , 1054
LaiFuS/bin/classes/com/zbar/lib/MainActivity.class , 944
LaiFuS/bin/classes/com/zbar/lib/R$attr.class , 322
LaiFuS/bin/classes/com/zbar/lib/R$color.class , 4617
LaiFuS/bin/classes/com/zbar/lib/R$dimen.class , 443
LaiFuS/bin/classes/com/zbar/lib/R$drawable.class , 617
LaiFuS/bin/classes/com/zbar/lib/R$id.class , 1225
LaiFuS/bin/classes/com/zbar/lib/R$layout.class , 457
LaiFuS/bin/classes/com/zbar/lib/R$raw.class , 367
LaiFuS/bin/classes/com/zbar/lib/R$string.class , 662
LaiFuS/bin/classes/com/zbar/lib/R$style.class , 413
LaiFuS/bin/classes/com/zbar/lib/R.class , 653
LaiFuS/bin/classes/com/zbar/lib/ZbarManager.class , 480
LaiFuS/bin/jarlist.cache , 120
LaiFuS/gen/com/zbar/lib/BuildConfig.java , 154
LaiFuS/gen/com/zbar/lib/R.java , 16615
LaiFuS/ic_launcher-web.png , 125223
LaiFuS/ic_launcher_laifus-web.png , 95780
LaiFuS/libs/android-support-v4.jar , 995386
LaiFuS/libs/armeabi/libzbar.so , 95492
LaiFuS/proguard-project.txt , 781
LaiFuS/project.properties , 563
LaiFuS/res/drawable/amano.jpg , 4151
LaiFuS/res/drawable/amano1.png , 10101
LaiFuS/res/drawable/amano2.jpg , 50787
LaiFuS/res/drawable-hdpi/ic_launcher.png , 9045
LaiFuS/res/drawable-hdpi/ic_launcher_laifus.png , 2807
LaiFuS/res/drawable-mdpi/ic_launcher.png , 9045
LaiFuS/res/drawable-mdpi/ic_launcher_laifus.png , 1357
LaiFuS/res/drawable-xhdpi/capture.png , 3485
LaiFuS/res/drawable-xhdpi/ic_launcher.png , 9045
LaiFuS/res/drawable-xhdpi/ic_launcher_laifus.png , 4649
LaiFuS/res/drawable-xhdpi/scan_line.png , 342
LaiFuS/res/drawable-xhdpi/scan_mask.png , 442
LaiFuS/res/drawable-xxhdpi/ic_launcher.png , 9045
LaiFuS/res/drawable-xxhdpi/ic_launcher_laifus.png , 9675
LaiFuS/res/layout/activity_main.xml , 3055
LaiFuS/res/layout/activity_qr_scan.xml , 3029
LaiFuS/res/layout/function.xml , 706
LaiFuS/res/raw/beep.ogg , 10185
LaiFuS/res/values/colors.xml , 7805
LaiFuS/res/values/dimens.xml , 220
LaiFuS/res/values/ids.xml , 309
LaiFuS/res/values/strings.xml , 537
LaiFuS/res/values/styles.xml , 680
LaiFuS/res/values-v11/styles.xml , 324
LaiFuS/res/values-v14/styles.xml , 381
LaiFuS/src/com/zbar/lib/bitmap/InvertedLuminanceSource.java , 1596
LaiFuS/src/com/zbar/lib/bitmap/LuminanceSource.java , 4205
LaiFuS/src/com/zbar/lib/bitmap/PlanarYUVLuminanceSource.java , 3714
LaiFuS/src/com/zbar/lib/camera/AutoFocusCallback.java , 962
LaiFuS/src/com/zbar/lib/camera/CameraConfigurationManager.java , 7232
LaiFuS/src/com/zbar/lib/camera/CameraManager.java , 3465
LaiFuS/src/com/zbar/lib/camera/FlashlightManager.java , 3434
LaiFuS/src/com/zbar/lib/camera/PreviewCallback.java , 1394
LaiFuS/src/com/zbar/lib/CaptureActivity.java , 8261
LaiFuS/src/com/zbar/lib/decode/CaptureActivityHandler.java , 1792
LaiFuS/src/com/zbar/lib/decode/DecodeHandler.java , 2688
LaiFuS/src/com/zbar/lib/decode/DecodeThread.java , 731
LaiFuS/src/com/zbar/lib/decode/FinishListener.java , 591
LaiFuS/src/com/zbar/lib/decode/InactivityTimer.java , 1274
LaiFuS/src/com/zbar/lib/Main.java , 2590
LaiFuS/src/com/zbar/lib/MainActivity.java , 945
LaiFuS/src/com/zbar/lib/ZbarManager.java , 259