二维码扫一扫

最新推荐文章于 2024-08-01 13:31:33 发布

热巴

最新推荐文章于 2024-08-01 13:31:33 发布

阅读量383

点赞数

CC 4.0 BY-SA版权

文章标签：二维码扫一扫

本文链接：https://blog.youkuaiyun.com/weixin_43971385/article/details/86476585

本文详细介绍如何在Android应用中集成二维码扫描功能，包括依赖导入、主页面设置、二维码扫描及结果显示等关键步骤。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

//导依赖
//二维码
implementation ‘cn.yipianfengye.android:zxing-library:2.2’
//app
public class APP extends Application {
@Override
public void onCreate() {
super.onCreate();
ZXingLibrary.initDisplayOpinion(this);
}
}

//mian主页面
public class MainActivity extends AppCompatActivity {

private Button btnSao;
private EditText textShu;
private Button edSheng;
private static final int REQUEST_CODE=1004;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
       //视图
    initView();
    btnSao.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent = new Intent(MainActivity.this, CaptureActivity.class);
            startActivityForResult(intent,REQUEST_CODE);
        }
    });
}

@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    /**
     * 处理二维码扫描结果
     */
    if (requestCode == REQUEST_CODE) {
        //处理扫描结果（在界面上显示）
        if (null != data) {
            Bundle bundle = data.getExtras();
            if (bundle == null) {
                return;
            }
            if (bundle.getInt(CodeUtils.RESULT_TYPE) == CodeUtils.RESULT_SUCCESS) {
                String result = bundle.getString(CodeUtils.RESULT_STRING);
                Toast.makeText(this, "解析结果:" + result, Toast.LENGTH_LONG).show();
            } else if (bundle.getInt(CodeUtils.RESULT_TYPE) == CodeUtils.RESULT_FAILED) {
                Toast.makeText(MainActivity.this, "解析二维码失败", Toast.LENGTH_LONG).show();
            }
        }
    }
}
//视图
private void initView() {
    btnSao = (Button) findViewById(R.id.btn_Sao);
    textShu = (EditText) findViewById(R.id.text_shu);
    edSheng = (Button) findViewById(R.id.ed_sheng);
}

}