Zxing Android Embedded

Barcode scanner library for Android, based on the ZXing decoder
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ZXing Android Embedded

Barcode scanning library for Android, using ZXing for decoding.

The project is loosely based on the ZXing Android Barcode Scanner application, but is not affiliated with the official ZXing project.


  1. Can be used via Intents (little code required).
  2. Can be embedded in an Activity, for advanced customization of UI and logic.
  3. Scanning can be performed in landscape or portrait mode.
  4. Camera is managed in a background thread, for fast startup time.

A sample application is available in Releases.

By default, Android SDK 24+ is required because of zxing:core 3.4.x. SDK 19+ is supported with additional configuration, see Older SDK versions.

Adding aar dependency with Gradle

Add the following to your build.gradle file:

// Config for SDK 24+

repositories {

dependencies {
    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'

Older SDK versions

By default, only SDK 24+ will work, even though the library specifies 19 as the minimum version.

For SDK versions 19+, one of the changes below are required. Some older SDK versions below 19 may work, but this is not tested or supported.

Option 1. Downgrade zxing:core to 3.3.0

repositories {

dependencies {
    implementation('com.journeyapps:zxing-android-embedded:4.3.0') { transitive = false }
    implementation 'com.google.zxing:core:3.3.0'

Option 2: Desugaring (Advanced)

This option does not require changing library versions, but may complicate the build process.

This requires Android Gradle Plugin version 4.0.0 or later.

See Java 8+ API desugaring support.

Example for SDK 21+:

android {
    defaultConfig {
        minSdkVersion 21

    compileOptions {
        // Flag to enable support for the new language APIs
        coreLibraryDesugaringEnabled true
        // Sets Java compatibility to Java 8
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8

dependencies {
    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'

    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'

SDK 19+ additionally requires multiDex. In addition to these gradle config changes, the Application class must also be changed. See for details: Configure your app for multidex.

android {
    defaultConfig {
        multiDexEnabled true
        minSdkVersion 19

    compileOptions {
        // Flag to enable support for the new language APIs
        coreLibraryDesugaringEnabled true
        // Sets Java compatibility to Java 8
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8

dependencies {
    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'

    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
    implementation "androidx.multidex:multidex:2.0.1"

Hardware Acceleration

Hardware acceleration is required since TextureView is used.

Make sure it is enabled in your manifest file:

    <application android:hardwareAccelerated="true" ... >

Usage with ScanContract

Note: startActivityForResult is deprecated, so this example uses registerForActivityResult instead. See for details: https://developer.android.com/training/basics/intents/result

startActivityForResult can still be used via IntentIntegrator, but that is not recommended anymore.

// Register the launcher and result handler
private final ActivityResultLauncher<ScanOptions> barcodeLauncher = registerForActivityResult(new ScanContract(),
        result -> {
            if(result.getContents() == null) {
                Toast.makeText(MyActivity.this, "Cancelled", Toast.LENGTH_LONG).show();
            } else {
                Toast.makeText(MyActivity.this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();

// Launch
public void onButtonClick(View view) {
    barcodeLauncher.launch(new ScanOptions());

Customize options:

ScanOptions options = new ScanOptions();
options.setPrompt("Scan a barcode");
options.setCameraId(0);  // Use a specific camera of the device

See BarcodeOptions for more options.

Generate Barcode example

While this is not the primary purpose of this library, it does include basic support for generating some barcode types:

try {
  BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
  Bitmap bitmap = barcodeEncoder.encodeBitmap("content", BarcodeFormat.QR_CODE, 400, 400);
  ImageView imageViewQrCode = (ImageView) findViewById(R.id.qrCode);
} catch(Exception e) {


To customize the generated barcode image, use the setBackgroundColor and setForegroundColor functions of the BarcodeEncoder class with a @ColorInt value to update the background and foreground colors of the barcode respectively. By default, the barcode has a white background and black foreground.

Changing the orientation

To change the orientation, specify the orientation in your AndroidManifest.xml and let the ManifestMerger to update the Activity's definition.


		tools:replace="screenOrientation" />
ScanOptions options = new ScanOptions();

Customization and advanced options


For more advanced options, look at the Sample Application, and browse the source code of the library.

This is considered advanced usage, and is not well-documented or supported.

Android Permissions

The camera permission is required for barcode scanning to function. It is automatically included as part of the library. On Android 6 it is requested at runtime when the barcode scanner is first opened.

When using BarcodeView directly (instead of via IntentIntegrator / CaptureActivity), you have to request the permission manually before calling BarcodeView#resume(), otherwise the camera will fail to open.

Building locally

./gradlew assemble

To deploy the artifacts the your local Maven repository:

./gradlew publishToMavenLocal

You can then use your local version by specifying in your build.gradle file:

repositories {

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Licensed under the Apache License 2.0

Copyright (C) 2012-2022 ZXing authors, Journey Mobile

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.
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