我在网上论坛里下载了一个用Zxing处理二维码的的源代码，不过运行在android模拟器一直运行不起来，出现了许多错误，一直没查出来原因，我吧错误信息都放在这上面
大家帮我分析分析，这些都是什么错，以及有什么解决方法 ，在线求助
10-26 07:00:23.974: W/dalvikvm(2062): VFY: unable to find class referenced in signature (Lcom/google/zxing/Result;)
10-26 07:00:23.974: I/dalvikvm(2062): Could not find method com.google.zxing.Result.getBarcodeFormat, referenced from method com.zijunlin.Zxing.Demo.CaptureActivity.handleDecode10-26 07:00:23.997: W/dalvikvm(2062): VFY: unable to resolve virtual method 95: Lcom/google/zxing/Result;.getBarcodeFormat ()Lcom/google/zxing/BarcodeFormat;
10-26 07:00:23.997: D/dalvikvm(2062): VFY: replacing opcode 0x6e at 0x0011
10-26 07:00:24.064: D/dalvikvm(2062): VFY: dead code 0x0014-0035 in Lcom/zijunlin/Zxing/Demo/CaptureActivity;.handleDecode (Lcom/google/zxing/Result;Landroid/graphics/Bitmap;)V
10-26 07:00:24.224: W/dalvikvm(2062): VFY: unable to find class referenced in signature (Lcom/google/zxing/ResultPoint;)
10-26 07:00:24.235: E/dalvikvm(2062): Could not find class 'com.google.zxing.ResultPoint', referenced from method com.zijunlin.Zxing.Demo.view.ViewfinderView.onDraw10-26 07:00:24.235: W/dalvikvm(2062): VFY: unable to resolve check-cast 54 (Lcom/google/zxing/ResultPoint;) in Lcom/zijunlin/Zxing/Demo/view/ViewfinderView;
10-26 07:00:24.245: D/dalvikvm(2062): VFY: replacing opcode 0x1f at 0x0178
10-26 07:00:24.245: E/dalvikvm(2062): Could not find class 'com.google.zxing.ResultPoint', referenced from method com.zijunlin.Zxing.Demo.view.ViewfinderView.onDraw10-26 07:00:24.255: W/dalvikvm(2062): VFY: unable to resolve check-cast 54 (Lcom/google/zxing/ResultPoint;) in Lcom/zijunlin/Zxing/Demo/view/ViewfinderView;
10-26 07:00:24.255: D/dalvikvm(2062): VFY: replacing opcode 0x1f at 0x0196
10-26 07:00:24.255: D/dalvikvm(2062): VFY: dead code 0x017a-0191 in Lcom/zijunlin/Zxing/Demo/view/ViewfinderView;.onDraw (Landroid/graphics/Canvas;)V
10-26 07:00:24.255: D/dalvikvm(2062): VFY: dead code 0x0198-01af in Lcom/zijunlin/Zxing/Demo/view/ViewfinderView;.onDraw (Landroid/graphics/Canvas;)V
10-26 07:00:24.314: W/dalvikvm(2062): Unable to resolve superclass of Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource; (50)
10-26 07:00:24.314: W/dalvikvm(2062): Link of class 'Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource;' failed
10-26 07:00:24.326: E/dalvikvm(2062): Could not find class 'com.zijunlin.Zxing.Demo.camera.PlanarYUVLuminanceSource', referenced from method com.zijunlin.Zxing.Demo.camera.CameraManager.buildLuminanceSource10-26 07:00:24.326: W/dalvikvm(2062): VFY: unable to resolve new-instance 72 (Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource;) in Lcom/zijunlin/Zxing/Demo/camera/CameraManager;
10-26 07:00:24.335: D/dalvikvm(2062): VFY: replacing opcode 0x22 at 0x001b
10-26 07:00:24.355: W/dalvikvm(2062): Unable to resolve superclass of Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource; (50)
10-26 07:00:24.355: W/dalvikvm(2062): Link of class 'Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource;' failed
10-26 07:00:24.355: E/dalvikvm(2062): Could not find class 'com.zijunlin.Zxing.Demo.camera.PlanarYUVLuminanceSource', referenced from method com.zijunlin.Zxing.Demo.camera.CameraManager.buildLuminanceSource10-26 07:00:24.355: W/dalvikvm(2062): VFY: unable to resolve new-instance 72 (Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource;) in Lcom/zijunlin/Zxing/Demo/camera/CameraManager;
10-26 07:00:24.355: D/dalvikvm(2062): VFY: replacing opcode 0x22 at 0x0030
10-26 07:00:24.365: D/dalvikvm(2062): VFY: dead code 0x001d-002f in Lcom/zijunlin/Zxing/Demo/camera/CameraManager;.buildLuminanceSource ([BII)Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource;
10-26 07:00:24.384: D/dalvikvm(2062): VFY: dead code 0x0032-0044 in Lcom/zijunlin/Zxing/Demo/camera/CameraManager;.buildLuminanceSource ([BII)Lcom/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource;
10-26 07:00:25.394: D/CameraConfigurationManager(2062): Default preview format: 17/yuv420sp
10-26 07:00:25.406: D/CameraConfigurationManager(2062): Screen resolution: Point(480, 320)
10-26 07:00:25.406: D/CameraConfigurationManager(2062): preview-size-values parameter: 320x240
10-26 07:00:25.406: D/CameraConfigurationManager(2062): Camera resolution: Point(480, 320)
10-26 07:00:25.434: D/CameraConfigurationManager(2062): Setting preview size: Point(320, 240)
10-26 07:00:25.484: V/FlashlightManager(2062): This device does not support control of a flashlight