Android Barcode Create

Android

Android Barcode Create

캡틴노랑이 2021. 3. 17. 13:16

test device : note 4

android os : Marshmallow 6.0

build.gradle

implementation 'com.android.support:appcompat-v7:27.1.1' implementation 'com.journeyapps:zxing-android-embedded:3.6.0'

activity_barcode_print.xml

<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".BarcodePrintActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <androidx.appcompat.widget.Toolbar android:id="@+id/tbToolBar" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="?attr/colorPrimary" android:minHeight="?attr/actionBarSize" android:theme="?attr/actionBarTheme" app:title="Barcode Print" /> <ImageView android:id="@+id/ivBarcode" android:layout_width="match_parent" android:layout_height="150dp"/> <EditText android:id="@+id/etBarcode" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="bardcode1234" /> <Button android:id="@+id/btnCreate" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Barcode Create" android:onClick="btnBarcodeCreateOnClick" /> </LinearLayout> </androidx.constraintlayout.widget.ConstraintLayout>

BarcodePrintActivity.java

package com.example.sampleproject;

import androidx.appcompat.app.AppCompatActivity;

import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;

import com.example.sampleproject.Norang.NorangActivity;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;

import java.lang.String;
import java.util.EnumMap;
import java.util.Map;

public class BarcodePrintActivity extends NorangActivity {
    private ImageView ivBarcode;
    private EditText etBarcode;

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_barcode_print);

InitializeControl();
        InitializeCommonDataBind();
    }

private void InitializeCommonDataBind() {
    }

private void InitializeControl() {
        toolbar = findViewById(R.id.tbToolBar);
        ivBarcode = findViewById(R.id.ivBarcode);
        etBarcode = findViewById(R.id.etBarcode);

setToolbar("");
    }

public void btnBarcodeCreateOnClick(View view)
    {
        String barcodeText = etBarcode.getText().toString();

try {
            Bitmap bitmap = CreateBarcode(barcodeText, BarcodeFormat.CODE_128 , 500 , 100);
            ivBarcode.setImageBitmap(bitmap);
        } catch (WriterException e) {
            Log.e("btnBarcodeCreateOnClick", e.getMessage());
        }
    }

private Bitmap CreateBarcode(String barcodeText, BarcodeFormat barcodeFormat, int imageWidth, int imageHeight) throws WriterException {

MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
        BitMatrix bitMatrix;
        Map<EncodeHintType, Object> map = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);

int width;
        int height;
        int[] pixels;

if (barcodeText == null)
            return null;

map.put(EncodeHintType.CHARACTER_SET, "UTF-8");

try {
            bitMatrix = multiFormatWriter.encode(barcodeText, barcodeFormat, imageWidth, imageHeight, map);
        } catch (IllegalArgumentException e) {
            Log.e("CreateBarcode", e.getMessage());
            return null;
        }

width = bitMatrix.getWidth();
        height = bitMatrix.getHeight();
        pixels = new int[width * height];

for (int i = 0; i < height; i++) {
            for (int j = 0; j < width; j++)
                pixels[(i * width) + j] = bitMatrix.get(j, i) ? Color.BLACK : Color.WHITE;
        }

Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);//barcode
        bitmap.setPixels(pixels, 0, width, 0, 0, width, height);

return bitmap;
    }
}