Android 如何始终显示条形码扫描屏幕?
如何在android中始终显示条形码扫描屏幕Android 如何始终显示条形码扫描屏幕?,android,barcode-scanner,Android,Barcode Scanner,如何在android中始终显示条形码扫描屏幕 IntentIntegrator integrator = new IntentIntegrator(activity); 首先,您需要将FrameLayout添加到layout.xml中,作为barcodeScannet的容器: <FrameLayout android:id="@+id/barcode_scanner" android:layout_width="match_parent"
IntentIntegrator integrator = new IntentIntegrator(activity);
首先,您需要将
FrameLayout
添加到layout.xml
中,作为barcodeScannet的容器:
<FrameLayout
android:id="@+id/barcode_scanner"
android:layout_width="match_parent"
android:layout_height="350dp" />
此外,您还需要覆盖onResume
和onPause
以启动和停止摄像头:
@Override
public void onResume() {
super.onResume();
mScannerView.setResultHandler(this); // Register ourselves as a handler for scan results.
// aslso check for camera permission here too
}
@Override
public void onPause() {
mScannerView.stopCamera(); // Stop camera on pause
super.onPause();
}
然后:
@Override
public void handleResult(Result rawResult) {
AppLog.logE("result content", rawResult.getText()); // Prints scan results
AppLog.logE("result name", rawResult.getBarcodeFormat().toString()); // Prints the scan format (qrcode, pdf417 etc.)
// the resault of barcode will be given as an string rawResult.getText()
// and you can do whatEver you want with it
// handleBarcodeResult(rawResult.getText());
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
mScannerView.resumeCameraPreview(BillPaymentFragment.this);
}
}, 2000);
}
最后,当您想启动条形码扫描仪时,只需调用以下代码:
mScannerView.startCamera();
你能多加一点你的代码吗??您使用哪个库进行条形码扫描仪?zxing library IntentIntegrator integrator=新的IntentIntegrator(活动);integrator.setDesiredBarcodeFormats(IntentIntegrator.QR\U代码类型);integrator.setPrompt(“扫描”);积分器.setCameraId(0);积分器。setBeepEnabled(假);integrator.setBarcodeImageEnabled(假);integrator.initiateScan();第一件事:尝试在评论和问题中添加这些代码,否则您将获得更多的反对票;)其次,我在下面写了一些示例代码,希望它能解决您的问题。
mScannerView.startCamera();