java - Outofmemory Exception using retrofit library android -

i using retrofit library download apk file server. getting outofmemory exception since 8 mb file.

06-04 17:02:36.242: i/dalvikvm(32227): "asynctask #1" prio=5 tid=12 runnable 06-04 17:02:36.242: i/dalvikvm(32227): | group="main" scount=0 dscount=0 obj=0x40fc7eb8 self=0x2a1096a8 06-04 17:02:36.242: i/dalvikvm(32227): | systid=32247 nice=10 sched=0/0 cgrp=apps/bg_non_interactive handle=705879936 06-04 17:02:36.242: i/dalvikvm(32227): | schedstat=( 1325450565 1518168555 7526 ) utm=87 stm=45 core=0 06-04 17:02:36.242: i/dalvikvm(32227): @ java.io.bytearrayoutputstream.expand(bytearrayoutputstream.java:~91) 06-04 17:02:36.242: i/dalvikvm(32227): @ java.io.bytearrayoutputstream.write(bytearrayoutputstream.java:201) 06-04 17:02:36.242: i/dalvikvm(32227): @ retrofit.utils.streamtobytes(utils.java:44) 06-04 17:02:36.252: i/dalvikvm(32227): @ retrofit.utils.readbodytobytesifnecessary(utils.java:81) 06-04 17:02:36.252: i/dalvikvm(32227): @ retrofit.restadapter$resthandler.invokerequest(restadapter.java:348) 06-04 17:02:36.252: i/dalvikvm(32227): @ retrofit.restadapter$resthandler.invoke(restadapter.java:240) 06-04 17:02:36.252: i/dalvikvm(32227): @ $proxy0.getapkfile(native method)

my code:

restadapter restadapter = new restadapter.builder()         .setendpoint(url).setloglevel(restadapter.loglevel.headers)         .build();         //restadapter.setloglevel(restadapter.loglevel.none);         typedbytearray bytearray=((typedbytearray)restadapter.create(apkdownloadinterface.class).getapkfile().getbody());          try {             log.i("", "length "+bytearray.length());             bufferedinputstream bis=new bufferedinputstream(bytearray.in());             bufferedoutputstream bos=new bufferedoutputstream(fos);             byte array[]=new byte[1024];             int x=0;             while((x=bis.read(array))!=-1){                 //log.i("", "transferring data");                 bos.write(array, 0, x);             }             bos.close();             bis.close();          } catch (ioexception e) {             // todo auto-generated catch block             e.printstacktrace();         }