java.lang.RuntimeException: An error occurred while executing doInBackground()
	at android.os.AsyncTask$4.done(AsyncTask.java:415)
	at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
	at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
	at java.util.concurrent.FutureTask.run(FutureTask.java:271)
	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:305)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:923)
Caused by: java.lang.OutOfMemoryError: Failed to allocate a 1920432 byte allocation with 616768 free bytes and 602KB until OOM, target footprint 536870912, growth limit 536870912
	at java.util.Arrays.copyOfRange(Arrays.java:3589)
	at java.lang.StringBuffer.toString(StringBuffer.java:669)
	at java.net.URLEncoder.encode(URLEncoder.java:290)
	at org.apache.http.client.utils.URLEncodedUtils.encode(URLEncodedUtils.java:189)
	at org.apache.http.client.utils.URLEncodedUtils.format(URLEncodedUtils.java:168)
	at org.apache.http.client.entity.UrlEncodedFormEntity.<init>(UrlEncodedFormEntity.java:62)
	at com.entitcs.office_attendance.background_works.a.y1(Unknown Source:303)
	at com.entitcs.office_attendance.background_works.a.o(Unknown Source:89)
	at com.entitcs.office_attendance.background_works.a.doInBackground(Unknown Source:2)
	at android.os.AsyncTask$3.call(AsyncTask.java:394)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	... 4 more