Android Barcode Create

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; } }