小编use*_*535的帖子

我是android开发的新手.我的应用程序应激活相机扫描QR码并将其解码为字符串.这样可以正常工作,但我还有一个要求:在框架中显示摄像机视图,并在其中一个角上显示徽标.我没有在zbar sdk中找到合适的API来制作框架并附加徽标.这是我的代码:

ZBarScannerActivity.java:

package com.myCompany.android;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.hardware.Camera;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Toast;
import net.sourceforge.zbar.Config;
import net.sourceforge.zbar.Image;
import net.sourceforge.zbar.ImageScanner;
import net.sourceforge.zbar.Symbol;
import net.sourceforge.zbar.SymbolSet;

public class ZBarScannerActivity extends Activity implements Camera.PreviewCallback, ZBarConstants {

    private static final String TAG = "ZBarScannerActivity";
    private CameraPreview mPreview;
    private Camera mCamera;
    private ImageScanner mScanner;
    private Handler mAutoFocusHandler;
    private boolean mPreviewing = true;

    static { …