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    <p>Just donwload the barcode Scanner (QR-Code Scanner) apk file. </p> <p><a href="http://www.aapktop.com/tag/barcode-scanner-apk">http://www.aapktop.com/tag/barcode-scanner-apk</a> <a href="http://www.4shared.com/android/2lwrpeHZ/Barcode_Scanner.html">http://www.4shared.com/android/2lwrpeHZ/Barcode_Scanner.html</a> <a href="http://code.google.com/p/zxing/downloads/detail?name=BarcodeScanner4.31.apk">http://code.google.com/p/zxing/downloads/detail?name=BarcodeScanner4.31.apk</a></p> <p>Install it your device (not on emulator).</p> <p>now follow these steps.</p> <ol> <li>create a new project</li> <li>place a button in your XML file.</li> <li><p>Make a click event for it and call the (QR-Code Scanner) via intent as</p> <pre><code> // Scan Handler btnScan.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent( "com.google.zxing.client.android.SCAN"); intent.putExtra("SCAN_MODE", "QR_CODE_MODE"); startActivityForResult(intent, 0); } }); </code></pre></li> <li><p>Override the onActivityResult Method as</p> <pre><code>// ZXing Result Handler public void onActivityResult(int requestCode, int resultCode, Intent intent) { if (requestCode == 0) { if (resultCode == RESULT_OK) { contents = intent.getStringExtra("SCAN_RESULT"); // This will contain your scan result String format = intent.getStringExtra("SCAN_RESULT_FORMAT"); } } </code></pre></li> </ol> <p><strong>Q2</strong></p> <pre><code>Answer </code></pre> <p>there are many links out there you can generate the QR-CODE of any type freely. just google it "Online QR CODE generater" <a href="http://qrcode.kaywa.com/">http://qrcode.kaywa.com/</a></p>
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    1. POQR code reading with camera - Android
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    1. COHi, that's very informative thank you. I'm worried about running different tasks simultaneously, in particular, the alarm, the QR task, the camera. Would there be issues with regards to this such as threading or what have you? or does zxing handle these?
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      1. USJohnathan Au
    2. COZxing will just decodes your barcode or QR code (in onActivty result ). after that you can do any thing. first i suggest you just try my solution. you have many confusions regarding this. this will clear many things.
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    3. COI would suggest you only use the official download link at code.google.com. You can trust that it's from us (developers). This guidance is good but it can be even easier if you use the `IntentIntegrator` code from the project (https://code.google.com/p/zxing/wiki/ScanningViaIntent). Same idea, just takes care of more small issues for you. Finally -- like any decent app the Barcode Scanner does nothing when not in the foreground so will have no impact on your app when it's not active.
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      1. USSean Owen
 

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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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