單機監聽

@Override public void onClick(View v) { switch (v.getId()) {

            //生成事件
        case R.id.erweima:
            String erweimashuruString = mErweimashuru.getText().toString().trim();
            if (TextUtils.isEmpty(erweimashuruString)) {
                Toast.makeText(this, "請輸入要生成的內容", Toast.LENGTH_SHORT).show();
                return;
            }

            /**
             * 生成不帶logo的二維碼圖片
             */

            mErweimashuru.setText("");
            mBitmap = CodeUtils.createImage(erweimashuruString, 400, 400, null);
            mImageView.setImageBitmap(mBitmap);

            break;
        case R.id.erweimaimage:
            String erweimashuruString1 = mErweimashuru.getText().toString().trim();
            if (TextUtils.isEmpty(erweimashuruString1)) {
                Toast.makeText(this, "請輸入要生成的內容", Toast.LENGTH_SHORT).show();
            }
                mErweimashuru.setText("");
                mbitmap = CodeUtils.createImage(erweimashuruString1, 400, 400, BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher));
                mImageView.setImageBitmap(mbitmap);

                break;
 

//這裡是掃描 case R.id.saomiao: Intent intent = new Intent(ChenggongActivity.this, CaptureActivity.class); startActivityForResult(intent, 1); break; } }

//這裡是回撥方法 @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); /** * 處理二維碼掃描結果 */ if (requestCode == 1) { //處理掃描結果（在介面上顯示） 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, “解析結果:” + result, Toast.LENGTH_LONG).show(); } else if (bundle.getInt(CodeUtils.RESULT_TYPE) == CodeUtils.RESULT_FAILED) { Toast.makeText(ChenggongActivity.this, “解析二維碼失敗”, Toast.LENGTH_LONG).show(); }

        }
    }

}

自定義類繼承呼叫

public class Zxing extends Application { @Override public void onCreate() { super.onCreate(); ZXingLibrary.initDisplayOpinion(this); } }

清單檔案許可權

  <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.FLASHLIGHT" />
    <uses-feature android:name="android.hardware.camera" />
    <uses-feature android:name="android.hardware.camera.autofocus" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

新增name

<application
        android:name=".zxing.Zxing"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

依賴檔案

implementation ‘cn.yipianfengye.android:zxing-library:2.2’