我总是收到 com.google.zxing.ChecksumException

Question

没有二维码被解码。即使是来自zxing的。 是不是二维码根本没有被读取？

package com.pavan.secureqr;

import android.app.Activity;
import android.graphics.PointF;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import com.dlazaro66.qrcodereaderview.QRCodeReaderView;

public class ScanActivity extends Activity implements                                             

QRCodeReaderView.OnQRCodeReadListener {

private QRCodeReaderView decoder;
private TextView myText;
static final String tag="ScanActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.scan_activity);
    decoder = (QRCodeReaderView) findViewById(R.id.qrdecoderview);
    decoder.setOnQRCodeReadListener(this);
    myText= (TextView) findViewById(R.id.decodedText);

}


@Override
public void onQRCodeRead(String s, PointF[] pointFs) {
    myText.setText(s);
}

@Override
public void cameraNotFound() {

}

@Override
public void QRCodeNotFoundOnCamImage() {

}

}

Logcat： 04-18 22:30:06.359 13672-13672/com.pavan.secureqr I/CameraConfiguration：初始相机参数：antibanding=auto;antibanding-values=off,60hz,50hz,auto;auto-exposure-lock=false;auto -exposure-lock-supported=true;auto-whitebalance-lock=false;auto-whitebalance-lock-supported=true;effect=none;effect-values=none,mono,negative,solarize,sepia,posterize,whiteboard,blackboard ,aqua;exposure-compensation=0;exposure-compensation-step=0.166667;focal-length=3.5;focus-distances=Infinity,Infinity,Infinity;focus-mode=fixed;focus-mode-values=fixed;水平视图-角度=54.9;jpeg-quality=95;jpeg-thumbnail-height=384;jpeg-thumbnail-quality=85;jpeg-thumbnail-size-values=512x384,512x288,480x288,256x154,432x288,320x240,176x144,0x0 ;jpeg-thumbnail-width=512;max-exposure-compensation=12;max-num-detected-faces-hw=5;max-num-detected-faces-sw=5;max-num-focus-areas=0 ;max-num-metering-areas=1;max-zoom=60;metering-areas=(0,0,0,0,0);min-exposure-compensation=-12;picture-format=jpeg;picture-格式值=jpeg；图片重新尺寸= 2592x1944;图片尺寸值= 2592x1944,2592x1456,2048x1536,1920x1080,1601280x960,1280x1536,1920x1080,160,1280x960,1280x768,1280x720,1024x768,800x600,800x768,800x600,800x768,800x600,800x480,720x480,640x480;首选预览 - video-video = 960x540;preview-format=yuv420sp;preview-format-values=yuv420sp,yuv420p;preview-fps-range=15000,30000;preview-fps-range-values=(15000,15000),(15000,30000);preview-帧率=30;预览帧率值=15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30;预览大小= 1280x720;preview-size-values=1280x720,960x540,864x480,800x480,768x432,720x480,640x480,576x432,480x320,384x288,352x288,320x240,240x160,17xene;自动模式=自动模式hdr,auto_hdr;smooth-zoom-supported=true;vertical-view-angle=42.5;video-frame-format=yuv420sp;video-size-values=960x540,864x480,800x480,720x480,640x480,480x320,352x288,320x240, 176x144；支持视频快照=true；支持视频稳定=false；白平衡=自动；白平衡值=自动，白炽灯，荧光灯，日光，阴天；变焦=0；变焦鼠IOS = 100,102,104,107,109,112,114,117,120,123,125,128,131,135,138,141,144,148,151,155,158,162,166,170,174,178,182,186,190,195,200,204,209,214,219,224,229,235,240,246,251,257,263,270,276,282,289,296,303,310,317,324,332,340,348,356,364,373,381,390,400;变焦支持=真 04-18 22:30:06.359 13672-13672/com.pavan.secureqr I/CameraConfiguration：支持的值：[固定] 04-18 22:30:06.359 13672-13672/com.pavan.secureqr I/CameraConfiguration：可设置值：null 04-18 22:30:06.366 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕surfaceChanged 04-18 22:30:06.491 13672-13672/com.pavan.secureqr I/PlatformSupportManager：使用实现类 com.google.zxing.client.android.common.executor.HoneycombAsyncTaskExecInterface 接口 com.google.zxing.client.android SDK 11 的 .common.executor.AsyncTaskExecInterface 04-18 22:30:06.493 13672-13672/com.pavan.secureqr I/AutoFocusManager：当前焦点模式“固定”；使用自动对焦？错误的 04-18 22:30:06.740 13672-13685/com.pavan.secureqr D/dalvikvm: GC_FOR_ALLOC 释放 1673K, 35% free 7173K/11032K, 暂停 10ms, 总共 29ms 04-18 22:30:06.982 13672-13684/com.pavan.secureqr D/dalvikvm: GC_FOR_ALLOC 释放 1761K，35% 空闲 7172K/11032K，暂停 18ms，总共 18ms 04-18 22:30:07.161 13672-14288/com.pavan.secureqr D/dalvikvm: GC_FOR_ALLOC 释放 1718K，35% 空闲 7172K/11032K，暂停 14ms，总共 14ms 04-18 22:30:07.375 13672-13685/com.pavan.secureqr D/dalvikvm: GC_FOR_ALLOC 释放 2290K，41% 空闲 6600K/11032K，暂停 11ms，总共 11ms 04-18 22:30:07.562 13672-14283/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1145K，35% 空闲 7172K/11032K，暂停 14ms，总共 14ms 04-18 22:30:07.817 13672-14288/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1674K，35% 空闲 7173K/11032K，暂停 41ms，总共 41ms 04-18 22:30:07.898 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕surfaceDestroyed 04-18 22:30:34.039 13672-13678/com.pavan.secureqr D/dalvikvm﹕调试器已分离；对象注册表有 1 个条目 04-18 22:31:01.068 13672-13672/com.pavan.secureqr I/PlatformSupportManager：使用实现类 com.google.zxing.client.android.camera.open.GingerbreadOpenCameraInterface 接口 com.google.zxing.client.android SDK 9 的 .camera.open.OpenCameraInterface 04-18 22:31:01.111 13672-13672/com.pavan.secureqr I/GingerbreadOpenCamera：打开相机#0 04-18 22:31:01.457 13672-13672/com.pavan.secureqr I/CameraConfiguration﹕屏幕分辨率：Point(540, 850) 04-18 22：31：01.458 13672-13672 / COM.PAVAN.SECUREQR I / CAMERACONFIGORATION：支持预览大小 04-18 22:31:01.458 13672-13672/com.pavan.secureqr I/CameraConfiguration：找到最佳近似预览尺寸：Point(720, 480) 04-18 22:31:01.458 13672-13672/com.pavan.secureqr I/CameraConfiguration: 相机分辨率: Point(720, 480) 04-18 22:31:01.463 13672-13672/com.pavan.secureqr I/CameraConfiguration：初始相机参数：antibanding=auto;antibanding-values=off,60hz,50hz,auto;auto-exposure-lock=false;auto -exposure-lock-supported=true;auto-whitebalance-lock=false;auto-whitebalance-lock-supported=true;effect=none;effect-values=none,mono,negative,solarize,sepia,posterize,whiteboard,blackboard ,aqua;exposure-compensation=0;exposure-compensation-step=0.166667;focal-length=3.5;focus-distances=Infinity,Infinity,Infinity;focus-mode=fixed;focus-mode-values=fixed;水平视图-角度=54.9;jpeg-quality=95;jpeg-thumbnail-height=384;jpeg-thumbnail-quality=85;jpeg-thumbnail-size-values=512x384,512x288,480x288,256x154,432x288,320x240,176x144,0x0 ;jpeg-thumbnail-width=512;max-exposure-compensation=12;max-num-detected-faces-hw=5;max-num-detected-faces-sw=5;max-num-focus-areas=0 ;max-num-metering-areas=1;max-zoom=60;metering-areas=(0,0,0,0,0);min-exposure-compensation=-12;picture-format=jpeg;picture-格式值=jpeg；图片重新尺寸= 2592x1944;图片尺寸值= 2592x1944,2592x1456,2048x1536,1920x1080,1601280x960,1280x1536,1920x1080,160,1280x960,1280x768,1280x720,1024x768,800x600,800x768,800x600,800x768,800x600,800x480,720x480,640x480;首选预览 - video-video = 960x540;preview-format=yuv420sp;preview-format-values=yuv420sp,yuv420p;preview-fps-range=15000,30000;preview-fps-range-values=(15000,15000),(15000,30000);preview-帧率=30;预览帧率值=15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30;预览大小= 1280x720;preview-size-values=1280x720,960x540,864x480,800x480,768x432,720x480,640x480,576x432,480x320,384x288,352x288,320x240,240x160,17xene;自动模式=自动模式hdr,auto_hdr;smooth-zoom-supported=true;vertical-view-angle=42.5;video-frame-format=yuv420sp;video-size-values=960x540,864x480,800x480,720x480,640x480,480x320,352x288,320x240, 176x144；支持视频快照=true；支持视频稳定=false；白平衡=自动；白平衡值=自动，白炽灯，荧光灯，日光，阴天；变焦=0；变焦鼠IOS = 100,102,104,107,109,112,114,117,120,123,125,128,131,135,138,141,144,148,151,155,158,162,166,170,174,178,182,186,190,195,200,204,209,214,219,224,229,235,240,246,251,257,263,270,276,282,289,296,303,310,317,324,332,340,348,356,364,373,381,390,400;变焦支持=真 04-18 22:31:01.463 13672-13672/com.pavan.secureqr I/CameraConfiguration：支持的值：[固定] 04-18 22:31:01.463 13672-13672/com.pavan.secureqr I/CameraConfiguration﹕可设置值：null 04-18 22:31:01.576 13672-13672/com.pavan.secureqr I/PlatformSupportManager：使用实现类 com.google.zxing.client.android.common.executor.HoneycombAsyncTaskExecInterface 接口 com.google.zxing.client.android SDK 11 的 .common.executor.AsyncTaskExecInterface 04-18 22:31:01.578 13672-13672/com.pavan.secureqr I/AutoFocusManager：当前焦点模式“固定”；使用自动对焦？错误的 04-18 22:31:01.578 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕surfaceChanged 04-18 22:31:01.798 13672-13672/com.pavan.secureqr I/PlatformSupportManager：使用实现类 com.google.zxing.client.android.common.executor.HoneycombAsyncTaskExecInterface 接口 com.google.zxing.client.android SDK 11 的 .common.executor.AsyncTaskExecInterface 04-18 22:31:01.800 13672-13672/com.pavan.secureqr I/AutoFocusManager：当前焦点模式“固定”；使用自动对焦？错误的 04-18 22:31:02.105 13672-13684/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1843K，35% 空闲 7238K/11032K，暂停 34ms，总共 47ms 04-18 22:31:02.298 13672-14288/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1737K，35% 空闲 7175K/11032K，暂停 15ms，总共 15ms 04-18 22:31:02.590 13672-13685/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1761K，35% 空闲 7175K/11032K，暂停 35ms，总共 35ms 04-18 22:31:02.690 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:02.690 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:02.840 13672-14283/com.pavan.secureqr D/dalvikvm: GC_FOR_ALLOC 释放 1680K, 35% free 7175K/11032K, 暂停 42ms, 总共 42ms 04-18 22:31:03.157 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:03.157 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:03.212 13672-13684/com.pavan.secureqr D/dalvikvm: GC_FOR_ALLOC 释放 1769K，36% 空闲 7131K/11032K，暂停 48ms，总共 48ms 04-18 22:31:03.341 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:03.341 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:03.477 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:03.477 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:03.658 13672-14288/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1736K，35% 空闲 7175K/11032K，暂停 24ms，总共 24ms 04-18 22:31:03.868 13672-13685/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1718K，35% 空闲 7175K/11032K，暂停 18ms，总共 18ms 04-18 22:31:03.958 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:03.958 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:04.031 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:04.031 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:04.062 13672-14283/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1728K，36% 空闲 7131K/11032K，暂停 14ms，总共 14ms 04-18 22:31:04.135 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:04.135 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:04.208 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:04.209 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:04.309 13672-13672/com.pavan.secureqr D/com.dlazaro66.qrcodereaderview.QRCodeReaderView﹕ChecksumException 04-18 22:31:04.309 13672-13672/com.pavan.secureqr W/System.err: com.google.zxing.ChecksumException 04-18 22:31:04.342 13672-13684/com.pavan.secureqr D/dalvikvm：GC_FOR_ALLOC 释放 1738K，36% 释放 7131K/11032K，暂停 26ms，共 26ms

Answer 1

没有读取 QR 码，但快速研究表明 Exception 被抛出，因为校验和功能失败。