android扫码二维码识别二维码

1. 快速集成扫码二维码，识别二维码功能。经过加工处理优化的，直接返回扫码结果字符串和图片的bitmap数据。

直接上代码：

package com.xinxinchelian.myscanzxing;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import com.example.scanzxing.zxing.android.CaptureActivity;
import com.example.scanzxing.zxing.common.Constantes;

import java.net.URLDecoder;
import java.net.URLEncoder;

/**
 * @Author: rhj
 * @CreateDate: 2020/12/14 21:26
 */
public class MainActivity extends AppCompatActivity {
    private AppCompatActivity mActivity;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_setting);
        mActivity = this;
        initView();
        ScreenUtils(getWindow());
    }
    public static void ScreenUtils(Window window) {
        if (window == null){
            return;
        }
        window.setFlags(android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,
                android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        //---------------------------------------------------------------------
    }

    private void initView() {
        findViewById(R.id.test_qr_scan_btn_TV).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //动态权限申请
                if (ContextCompat.checkSelfPermission( mActivity, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
                    ActivityCompat.requestPermissions( mActivity, new String[]{Manifest.permission.CAMERA}, 1);
                } else {
                    goScan();
                }
            }
        });
    }

    /**
     * 跳转到扫码界面扫码
     */
    private void goScan(){
        Intent intent = new Intent(mActivity , CaptureActivity.class);
        startActivityForResult(intent, Constantes.REQUEST_CODE_SCAN );
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        // 扫描二维码/条码回传
        if (requestCode == Constantes.REQUEST_CODE_SCAN && resultCode == RESULT_OK) {
            if (data != null) {
                //返回的文本内容
                String content = data.getStringExtra(Constantes.CODED_CONTENT);
                Bitmap bitmap =  data.getParcelableExtra(Constantes.CODED_BITMAP);
                //返回的BitMap图像
//                Bitmap bitmap = data.getParcelableExtra(DECODED_BITMAP_KEY);
//                tv_scanResult.setText("你扫描到的内容是：" + content);
                Toast.makeText(getApplicationContext(),  "扫描到的内容是：" + content , Toast.LENGTH_LONG).show();
                Log.e("扫描到的内容是" , "扫描到的内容是：" + content);

                if (!TextUtils.isEmpty(content)){
                    TextView plateNoTV = findViewById(R.id.test_qr_plateNo_TV);
                    plateNoTV.setText("扫描结果： " + content);


                    TextView plateNoTV2 = findViewById(R.id.test_qr_plateNo_TV2);
                    plateNoTV2.setText("扫描结果反转义： " + testDecode(content));

                    if (content.contains("plateNo=")){
                        plateNoTV2.setText("扫描结果反转义： " + testDecode(content.substring(content.indexOf("plateNo=") + 8)));
                    }

                }
                if (bitmap != null){
                    ImageView textBitmapIMG = findViewById(R.id.test_Bitmap_IMG);
                    textBitmapIMG.setVisibility(View.VISIBLE);
                    textBitmapIMG.setImageBitmap(bitmap);
                } else {
                    Log.e("扫描到的内容是" , "扫描到的内容是：bitmap = null" );
                }
            }
        }
    }

    public String testEncode(String url){
//        String url="http://192.168.0.19:8888/cas/login";
        String urlEncodee= URLEncoder.encode(url);
        System.out.println(urlEncodee);
        return urlEncodee;
    }

    public String testDecode(String url){
//        String url="http%3A%2F%2F192.168.0.19%3A8888%2Fcas%2Flogin";
        String urlDecode= URLDecoder.decode(url);
        System.out.println(urlDecode);
        return urlDecode;
    }

}

需要的权限  AndroidManifest.xml：

 

2. 导入aar包  scanzxinglibrary-release.aar（和jar功效一样）

 

3. 扫码效果，

 

demo下载地址：

https://download.csdn.net/download/renhaijuniryfe/19360939

https://download.csdn.net/download/renhaijuniryfe/19360983