HttpURLConnection to Send image , audio and video files with parameter may (String or Json String) Android
You can use Retrofit for API call. Minimum support for Android is 2.3. Please check details.
httpurlconnection
Two way sync for cookies between HttpURLConnection (java.net.CookieManager) and WebView (android.webkit.CookieManager)
I’ve implemented my own idea. It’s actually pretty cool. I’ve created my own implementation of java.net.CookieManager which forwards all requests to the WebViews’ webkit android.webkit.CookieManager. This means no sync is required and HttpURLConnection uses the same cookie storage as the WebViews. Class WebkitCookieManagerProxy: import java.io.IOException; import java.net.CookieManager; import java.net.CookiePolicy; import java.net.CookieStore; import java.net.URI; import java.util.Arrays; … Read more
Java URLConnection – When do I need to use the connect() method?
HttpURLConnection conn = (HttpURLConnection) u.openConnection(); only creates an Object connect() method is invoked by conn.getInputStream();
How to send Https Post request in java
Wrong :- (Extra space is there in mid of www- form) con.setRequestProperty(“Content-Type”,”application/x-www- form-urlencoded”); Correct con.setRequestProperty(“Content-Type”,”application/x-www-form-urlencoded”);
Android HttpsUrlConnection eofexception
Someone requested I answer my own question instead of editing. So here is the answer again. This was not a well documented answer. It appears in some of the newer versions of android, there is a bug with recycled url connections. To fix this (although there may be some performance issues), I needed to add: … Read more
Android download PDF from URL then open it with a PDF reader
Hi the problem is in FileDownloader class urlConnection.setRequestMethod(“GET”); urlConnection.setDoOutput(true); You need to remove the above two lines and everything will work fine. Please mark the question as answered if it is working as expected. Latest solution for the same problem is updated Android PDF Write / Read using Android 9 (API level 28) Attaching the … Read more
Sending a JSON HTTP POST request from Android
Posting parameters Using POST:- URL url; URLConnection urlConn; DataOutputStream printout; DataInputStream input; url = new URL (getCodeBase().toString() + “env.tcgi”); urlConn = url.openConnection(); urlConn.setDoInput (true); urlConn.setDoOutput (true); urlConn.setUseCaches (false); urlConn.setRequestProperty(“Content-Type”,”application/json”); urlConn.setRequestProperty(“Host”, “android.schoolportal.gr”); urlConn.connect(); //Create JSONObject here JSONObject jsonParam = new JSONObject(); jsonParam.put(“ID”, “25”); jsonParam.put(“description”, “Real”); jsonParam.put(“enable”, “true”); The part which you missed is in the the … Read more
HttpEntity is deprecated on Android now, what’s the alternative?
You can always import the last Apache Http client and use that. Also, you might want to take a look at a networking library like Volley or Retrofit, just in case you can use that instead. If starting a new project, using a networking library is recommended because there is no need to reinvent the … Read more
FileNotFoundException for HttpURLConnection in Ice Cream Sandwich
Try removing the setDoOutput call. Taken from this blog: a blog Edit: This is needed when using a POST call.
How to handle cookies in httpUrlConnection using cookieManager
Ok, the right way to do it is just like that: Get Cookies from response header and load them into cookieManager: static final String COOKIES_HEADER = “Set-Cookie”; HttpURLConnection connection = … ; static java.net.CookieManager msCookieManager = new java.net.CookieManager(); Map<String, List<String>> headerFields = connection.getHeaderFields(); List<String> cookiesHeader = headerFields.get(COOKIES_HEADER); if (cookiesHeader != null) { for (String cookie … Read more