I want to call specific php function on server from Android application and also to send some parameters. Till now I achieved that I can open php file using HttpClient and executed data transfer to Json and show that in my app. So, now I want to be able to call specific function and send parameter to it, how can I do that?? Thanks.
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3 Answers
Here is a piece of code I wrote for registering a new username using JSON:
public static boolean register(Context myContext, String name, String pwd) {
byte[] data;
HttpPost httppost;
StringBuffer buffer;
HttpResponse response;
HttpClient httpclient;
InputStream inputStream;
List<NameValuePair> nameValuePairs;
try {
httpclient = new DefaultHttpClient();
httppost = new HttpPost(
"http://X.X.X.X/register.php");
// Add your data
nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("User", name.trim()));
nameValuePairs.add(new BasicNameValuePair("Password", pwd.trim()));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// Execute HTTP Post Request
response = httpclient.execute(httppost);
inputStream = response.getEntity().getContent();
data = new byte[256];
buffer = new StringBuffer();
int len = 0;
while (-1 != (len = inputStream.read(data))) {
buffer.append(new String(data, 0, len));
}
inputStream.close();
}
catch (Exception e) {
Toast.makeText(myContext, "error" + e.toString(), Toast.LENGTH_LONG)
.show();
return false;
}
if (buffer.charAt(0) == 'Y') {
return true;
} else {
return false;
}
}
If you notice:
nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("User", name.trim()));
nameValuePairs.add(new BasicNameValuePair("Password", pwd.trim()));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
in that piece you can send parameters.
The method simply sends User and Password to the register.php. If the User is already taken, 'N' is returned; otherwise creates the User and returns 'Y'.
On the server side, you treat them as POST information, so:
$user = $_POST['User'];
It should do for your case :)
Cheers!
4 Comments
N3sh
let me know if the php is also needed ;)
Wolf87
Thank you so much! Just one more question, can I call for example php function "function getSettings($value)" which will send something back to Android? Because I want few functions in the same php file, and to call them separately when I need. Is there command for that? Thank you one more time.
N3sh
If you see there, it already returns something (either 'Y' or 'N'). So, if it is something simple like a char, a string etc.. you can just read the buffer and 'build' the response and use it accordingly. Otherwise you need to do something extra: Check this question of mine, it will be helpful ;) stackoverflow.com/questions/10186266/…
k_kumar
@N3sh what packages i need to import for this ?
Present or wrap-up those specific php functions with in a web-service together with your required parameters and call that web-service including the input parameters from your android to get things done.
2 Comments
Wolf87
Do you mean something like this $sql=mysql_query("INSERT INTO CITY (CITY_NAME)VALUES('".$_REQUEST['c_name']."')");
waqaslam
are asking to send whole query as parameter? if yes, then its wrong. You should include the query part in web-service. and only send city name as in parameters to the web-service from phone
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