JitPack
minSdkVersion >= 14
本项目依赖于ZXing 3.2.1
对6.0以上和第三方ROM自带的权限增加了权限判断
<uses-permission android:name="android.permission.CAMERA"/> <uses-permission android:name="android.permission.VIBRATE" /> <uses-permission android:name="android.permission.FLASHLIGHT" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<activity android:name="io.github.xudaojie.qrcodelib.CaptureActivity"/>
CaptureActivity 对二维码扫描信息默认是将扫描结果传回上一个界面,如果你要在CaptureActivity中直接处理,可通过重写handleResult(String resultString)实现
Intent i = new Intent(mContent, CaptureActivity.class); startActivityForResult(i, REQUEST_QR_CODE);
protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == RESULT_OK && requestCode == REQUEST_QR_CODE && data != null) { String result = data.getStringExtra("result"); Toast.makeText(MainActivity.this, result, Toast.LENGTH_SHORT).show(); } }
public class SimpleCaptureActivity extends CaptureActivity { @Override protected void handleResult(String resultString) { if (resultString.equals("")) { Toast.makeText(mActivity, R.string.scan_failed, Toast.LENGTH_SHORT).show(); restartPreview(); } else { // TODO: 16/9/17 ... // restartPreview(); } } }
Tips
如果你的操作不会触发SimpleCaptureActivity的onPause、onResume生命周期,则需要在完成操作后,调用restartPreview()以重新启动扫描
想引入你的项目,需要修改你的build.gradle
repositories { maven { url "http://repo1.maven.org/maven2" } maven { url 'https://jitpack.io' } }
compile 'com.github.XuDaojie:QRCode-Android:v0.2.1'ZXing
zxing扫描二维码和识别图片二维码及其优化策略
生成二维码