二维码生成扫描

implementation 'cn.yipianfengye.android:zxing-library:2.2'

初始化

ZXingLibrary.initDisplayOpinion(this);

权限

  <!--二维码扫描必须加震动权限-->
    <uses-permission android:name="android.permission.VIBRATE"></uses-permission>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.CAMERA"/>

代码

 /*扫描二维码*/
    public void sao(View view) {
        Intent intent = new Intent(MainActivity.this, CaptureActivity.class);
        startActivityForResult(intent, REQUEST_CODE);
    }
    //二维码重写onActivityResult
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        //处理二维码的扫描结果
        if (requestCode==REQUEST_CODE) {
            //处理扫描结果
            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_SHORT).show();
                }else if (bundle.getInt(CodeUtils.RESULT_TYPE)==CodeUtils.RESULT_FAILED){
                    Toast.makeText(this, "解析二维码失败", Toast.LENGTH_SHORT).show();
                }
            }
        }
    }

    /*生成带login二维码*/
    public void sheng(View view) {
        //得到edittext的我文本内容
        String s = mEdit_text.getText().toString();
        if (TextUtils.isEmpty(s)) {
            Toast.makeText(this, "你输入的内容为空", Toast.LENGTH_SHORT).show();
        }
        mEdit_text.setText("");
        Bitmap image = CodeUtils.createImage(s, 400, 400, BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher));
        mImg1.setImageBitmap(image);
    }