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Open an app stored in my phone using qr code

Hi.

How can i open an app stored in my phone, using qr codes?

I`am thinking to generate an qr code with the adress of the .apk, but i didn't find an qr reader wich can go and open the application.
 
What kind of an address is that .apk at? You can create QR codes of URLs with e.g. Quiry.me perfectly. Or of any short text really. So what's the problem with that address?
 
This is an example:
\Phone Memory\system\app\CarHome.apk

<img src="http://qrcode.kaywa.com/img.php?s=8&d=%5CPhone%20Memory%5Csystem%5Capp%5CCarHome.apk" alt="qrcode"</>

When I scan this qr code to launch CarHome.apk

But, what I want to do for real is that:
I want to build an app to manage customers. Each client will have a card with QR code(here will be the ID of the customer) printed on it.
When I meet with the client, all I have to do is to scan the QR, and the app search automatically in the database and give me all the informations about the client.

You know any QR reader which let me to set what application to start when I scan an QR or some documentation to build myself an QR READER.?
 
This is an example:
\Phone Memory\system\app\CarHome.apk
Isn't there a beginning of that string missing?

<img src=http://submit7.info/browse.php?u=Oi8vYW5kcm9pZGZvcnVtcy5jb20vJnF1b3Q7aHR0cDovL3FyY29kZS5rYXl3YS5jb20vaW1nLnBocD9zPTgmYW1wO2Q9JTVDUGhvbmUlMjBNZW1vcnklNUNzeXN0ZW0lNUNhcHAlNUND&b=5 arHome.apk" alt="qrcode"</>

When I scan this qr code to launch CarHome.apk
"Launch" the .apk?
You mean you want the download of that .apk to start from that web server to your phone?

But, what I want to do for real is that:
I want to build an app to manage customers. Each client will have a card with QR code(here will be the ID of the customer) printed on it.
When I meet with the client, all I have to do is to scan the QR, and the app search automatically in the database and give me all the informations about the client.

You plan on asking clients to identify themselves to you with an ID card, issued by you?
I may not have any clients left by the end of the week. ;)
 
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