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In response to the comment http://blog.whomeninja.in/android-barcode-scanner-vertical-orientation-and-camera-flash/#comment-745 Android QR-Code Scanner After scanning a QR-Code check and verify if it is a HTTP URL and open it in a webview
package in.whomeninja.android_barcode_scanner;
import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
public class HomeActivity extends ActionBarActivity {
private String codeFormat,codeContent;
private TextView formatTxt, contentTxt;
private WebView main_web_view;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
formatTxt = (TextView)findViewById(R.id.scan_format);
contentTxt = (TextView)findViewById(R.id.scan_content);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_home, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* event handler for scan button
* @param view view of the activity
*/
public void scanNow(View view){
IntentIntegrator integrator = new IntentIntegrator(this);
// set to scan QR-Code
integrator.setDesiredBarcodeFormats(IntentIntegrator.QR_CODE_TYPES);
integrator.setPrompt(this.getString(R.string.scan_bar_code));
integrator.setResultDisplayDuration(0);
integrator.setWide(); // Wide scanning rectangle, may work better for 1D barcodes
integrator.setCameraId(0); // Use a specific camera of the device
integrator.initiateScan();
}
/**
* function handle scan result
* @param requestCode scanned code
* @param resultCode result of scanned code
* @param intent intent
*/
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
//retrieve scan result
IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
if (scanningResult != null) {
//we have a result
String scanContent = scanningResult.getContents();
String scanFormat = scanningResult.getFormatName();
// process received data
if(scanContent != null && !scanContent.isEmpty()){
processScannedData(scanContent);
}else{
Toast toast = Toast.makeText(getApplicationContext(),"Scan Cancelled", Toast.LENGTH_SHORT);
toast.show();
}
}else{
Toast toast = Toast.makeText(getApplicationContext(),"No scan data received!", Toast.LENGTH_SHORT);
toast.show();
}
}
/**
* process xml string received from aadhaar card QR code
* @param scanData
*/
protected void processScannedData(String scanData){
Log.d("Rajdeol",scanData);
// test if string is a valid URL
if(Patterns.WEB_URL.matcher(scanData).matches()){
// open in a webview, this webview should be added in your layout
main_web_view = (WebView) findViewById(R.id.mainWebView);
//enable javascript
main_web_view.getSettings().setJavaScriptEnabled(true);
// load URL
main_web_view.loadUrl(scanData);
}else{
// error
Toast toast = Toast.makeText(getApplicationContext(),"Scanned String is not valid URL", Toast.LENGTH_SHORT);
toast.show();
}
}// EO function
}
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