android二维码扫描实用案例源码

快速扫描二维码，跟微信差不多，比QQ的快，扫描的代码模块做了封装，其他的容易更改，不会影响关键代码，更适合敏捷开发。

/*
 * Copyright （C） 2008 ZXing authors
 *
 * Licensed under the Apache License Version 2.0 （the “License“）;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing software
 * distributed under the License is distributed on an “AS IS“ BASIS
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.dtr.zxing.activity;

import java.io.IOException;
import java.lang.reflect.Field;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.RelativeLayout;

import com.dtr.zxing.R;
import com.dtr.zxing.camera.CameraManager;
import com.dtr.zxing.decode.DecodeThread;
import com.dtr.zxing.utils.BeepManager;
import com.dtr.zxing.utils.CaptureActivityHandler;
import com.dtr.zxing.utils.InactivityTimer;
import com.google.zxing.Result;

/**
 * This activity opens the camera and does the actual scanning on a background
 * thread. It draws a viewfinder to help the user place the barcode correctly
 * shows feedback as the image processing is happening and then overlays the
 * results when a scan is successful.
 * 
 * @author dswitkin@google.com （Daniel Switkin）
 * @author Sean Owen
 */
public final class CaptureActivity extends Activity implements SurfaceHolder.Callback {

	private static final String TAG = CaptureActivity.class.getSimpleName（）;

	private CameraManager cameraManager;
	private CaptureActivityHandler handler;
	private InactivityTimer inactivityTimer;
	private BeepManager beepManager;

	private SurfaceView scanPreview = null;
	private RelativeLayout scanContainer;
	private RelativeLayout scanCropView;
	private ImageView scanLine;

	private Rect mCropRect = null;

	public Handler getHandler（） {
		return handler;
	}

	public CameraManager getCameraManager（） {
		return cameraManager;
	}

	private boolean isHasSurface = false;

	@Override
	public void onCreate（Bundle icicle） {
		super.onCreate（icicle）;

		Window window = getWindow（）;
		window.addFlags（WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）;
		setContentView（R.layout.activity_capture）;

		scanPreview = （SurfaceView） findViewById（R.id.capture_preview）;
		scanContainer = （RelativeLayout） findViewById（R.id.capture_container）;
		scanCropView = （RelativeLayout） findViewById（R.id.capture_crop_view）;
		scanLine = （ImageView） findViewById（R.i

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-10-16 14:43  ZXingProject-master\
     文件         290  2014-10-16 14:43  ZXingProject-master\.gitignore
     文件        1081  2014-10-16 14:43  ZXingProject-master\LICENSE
     文件         120  2014-10-16 14:43  ZXingProject-master\README.md
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\
     文件         466  2014-10-16 14:43  ZXingProject-master\ZXingProj\.classpath
     文件         812  2014-10-16 14:43  ZXingProject-master\ZXingProj\.project
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\.settings\
     文件         173  2014-10-16 14:43  ZXingProject-master\ZXingProj\.settings\org.eclipse.jdt.core.prefs
     文件        1667  2014-10-16 14:43  ZXingProject-master\ZXingProj\AndroidManifest.xml
     文件       51394  2014-10-16 14:43  ZXingProject-master\ZXingProj\ic_launcher-web.png
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\libs\
     文件     1000515  2014-10-16 14:43  ZXingProject-master\ZXingProj\libs\zxing.jar
     文件         159  2014-10-16 14:43  ZXingProject-master\ZXingProj\lint.xml
     文件         781  2014-10-16 14:43  ZXingProject-master\ZXingProj\proguard-project.txt
     文件         563  2014-10-16 14:43  ZXingProject-master\ZXingProj\project.properties
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-hdpi\
     文件        7658  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-hdpi\ic_launcher.png
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-mdpi\
     文件        3777  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-mdpi\ic_launcher.png
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-xhdpi\
     文件       12516  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-xhdpi\ic_launcher.png
     文件        2336  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-xhdpi\qr_code_bg.9.png
     文件        6413  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-xhdpi\scan_line.png
     文件       17926  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-xhdpi\shadow.png
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-xxhdpi\
     文件       24777  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\drawable-xxhdpi\ic_launcher.png
     目录           0  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\layout\
     文件        2838  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\layout\activity_capture.xml
     文件        1021  2014-10-16 14:43  ZXingProject-master\ZXingProj\res\layout\activity_result.xml
............此处省略32个文件信息