Android scanning bar code (Zxing plug-in) and androidzxing

Android scanning bar code (Zxing plug-in) and androidzxing

Use Android Studio

1. Add code download in build. gradle (Module: app) and call the plug-in

 1 apply plugin: 'com.android.application' 2  3 android { 4     compileSdkVersion 24 5     buildToolsVersion "24.0.1" 6  7     defaultConfig { 8         applicationId "com.example.ly.scanrfid" 9         minSdkVersion 1910         targetSdkVersion 2411         versionCode 112         versionName "1.0"13     }14     buildTypes {15         release {16             minifyEnabled false17             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'18         }19     }20     repositories {21         mavenCentral()22         maven {23             url "http://dl.bintray.com/journeyapps/maven"24         }25     }26 }27 28 dependencies {29     compile fileTree(dir: 'libs', include: ['*.jar'])30     testCompile 'junit:junit:4.12'31     compile 'com.android.support:appcompat-v7:24.2.1'32     // Supports Android 4.0.3 and later (API level 15)33     compile 'com.journeyapps:zxing-android-embedded:2.0.1@aar'34 35     // Supports Android 2.1 and later (API level 7), but not optimal for later Android versions.36     // If you only plan on supporting Android 4.0.3 and up, you don't need to include this.37     compile 'com.journeyapps:zxing-android-legacy:2.0.1@aar'38 39     // Convenience library to launch the scanning and encoding Activities.40     // It automatically picks the best scanning library from the above two, depending on the41     // Android version and what is available.42     compile 'com.journeyapps:zxing-android-integration:2.0.1@aar'43 44     // Version 3.0.x of zxing core contains some code that is not compatible on Android 2.2 and earlier.45     // This mostly affects encoding, but you should test if you plan to support these versions.46     // Older versions e.g. 2.2 may also work if you need support for older Android versions.47     compile 'com.google.zxing:core:3.0.1'48 }

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2. Add Permissions

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"          package="com.example.ly.scanrfid">    <uses-permission android:name="android.permission.CAMERA"/>    <uses-permission android:name="android.permission.VIBRATE"/>    <uses-permission android:name="android.permission.INTERNET"/>    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="@string/app_name"        android:supportsRtl="true"        android:theme="@style/AppTheme">        <activity android:name=".MainActivity">            <intent-filter>                <action android:name="android.intent.action.MAIN"/>                <category android:name="android.intent.category.LAUNCHER"/>            </intent-filter>        </activity>    </application></manifest>

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3. Activity Code

Package com. example. ly. scanrfid; import android. content. intent; import android. support. v7.app. appCompatActivity; import android. OS. bundle; import android. util. log; import android. view. view; import android. widget. toast; import com. google. zxing. integration. android. intentIntegrator; import com. google. zxing. integration. android. intentResult; public class MainActivity extends AppCompatActivity {@ Override protect Ed void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main);} // scan button click listener event public void clickScan (View view) {// scan IntentIntegrator integrator = new IntentIntegrator (MainActivity. this); integrator. initiateScan () ;}@ Override protected void onActivityResult (int requestCode, int resultCode, Intent data) {// jump to the scan page and return the scan data IntentResult s CanResult = IntentIntegrator. parseActivityResult (requestCode, resultCode, data); // judge whether the returned value is null if (scanResult! = Null) {// return the barcode data String result = scanResult. getContents (); Log. d ("code", result); Toast. makeText (this, result, Toast. LENGTH_LONG ). show ();}}}

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