首页 / 移动开发 / Android / 详解Android 扫描条形码（Zxing插件）

apply plugin: "com.android.application"android { compileSdkVersion 24 buildToolsVersion "24.0.1" defaultConfig {applicationId "com.example.ly.scanrfid"minSdkVersion 19targetSdkVersion 24versionCode 1versionName "1.0" } buildTypes {release { minifyEnabled false proguardFiles getDefaultProguardFile（"proguard-android.txt"）, "proguard-rules.pro"} } repositories {mavenCentral（）maven {url "http://dl.bintray.com/journeyapps/maven"} }}dependencies { compile fileTree（dir: "libs", include: ["*.jar"]） testCompile "junit:junit:4.12" compile "com.android.support:appcompat-v7:24.2.1" // Supports Android 4.0.3 and later （API level 15） compile "com.journeyapps:zxing-android-embedded:2.0.1@aar" // Supports Android 2.1 and later （API level 7）, but not optimal for later Android versions. // If you only plan on supporting Android 4.0.3 and up, you don"t need to include this. compile "com.journeyapps:zxing-android-legacy:2.0.1@aar" // Convenience library to launch the scanning and encoding Activities. // It automatically picks the best scanning library from the above two, depending on the // Android version and what is available. compile "com.journeyapps:zxing-android-integration:2.0.1@aar" // Version 3.0.x of zxing core contains some code that is not compatible on Android 2.2 and earlier. // This mostly affects encoding, but you should test if you plan to support these versions. // Older versions e.g. 2.2 may also work if you need support for older Android versions. compile "com.google.zxing:core:3.0.1"}

<?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"/> <applicationandroid: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>

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 protected void onCreate（Bundle savedInstanceState） {super.onCreate（savedInstanceState）;setContentView（R.layout.activity_main）; } // 扫描按钮点击监听事件 public void clickScan（View view） {//扫描操作IntentIntegrator integrator = new IntentIntegrator（MainActivity.this）;integrator.initiateScan（）; } @Override protected void onActivityResult（int requestCode, int resultCode, Intent data） {// 跳转扫描页面返回扫描数据IntentResult scanResult = IntentIntegrator.parseActivityResult（requestCode, resultCode, data）;//判断返回值是否为空if （scanResult ！= null） { //返回条形码数据 String result = scanResult.getContents（）; Log.d（"code", result）; Toast.makeText（this, result, Toast.LENGTH_LONG）.show（）;} }}