java.lang.OutOfMemoryError: Failed to allocate a 4124296 byte allocation with 836248 free bytes and 816KB until OOM, target footprint 536870912, growth limit 536870912 at java.lang.StringFactory.newStringFromBytes(StringFactory.java:234) at java.lang.StringFactory.newStringFromBytes(StringFactory.java:65) at android.util.Base64.encodeToString(Base64.java:457) at com.entitcs.office_attendance.background_works.g.b(Unknown Source:241) at com.entitcs.office_attendance.background_works.g.e(Unknown Source:84) at com.entitcs.office_attendance.background_works.g.p(Unknown Source:68) at com.entitcs.office_attendance.background_works.g.j(Unknown Source:118) at com.entitcs.office_attendance.background_works.g$a.f1(Unknown Source:155) at com.entitcs.office_attendance.background_works.g$a.onPostExecute(Unknown Source:2) at android.os.AsyncTask.finish(AsyncTask.java:755) at android.os.AsyncTask.access$900(AsyncTask.java:192) at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:772) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:224) at android.app.ActivityThread.main(ActivityThread.java:7562) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)