I get data from the server as:
HttpTransportSE androidhttpTranport = new HttpTransportSE(URL, ContantSystem.TimeOut);
androidhttpTranport.call(SOAP_ACTIONS, envelope);
Object responseBody = responseBody = envelope.getResponse();
My app shows an exceiption:
11-07 19:54:41.283: E/AndroidRuntime(10620): FATAL EXCEPTION: Thread-1851
11-07 19:54:41.283: E/AndroidRuntime(10620): java.lang.OutOfMemoryError
11-07 19:54:41.283: E/AndroidRuntime(10620): at java.lang.String.<init>(String.java:432)
11-07 19:54:41.283: E/AndroidRuntime(10620): at java.lang.AbstractStringBuilder.toString(AbstractStringBuilder.java:642)
11-07 19:54:41.283: E/AndroidRuntime(10620): at java.lang.StringBuilder.toString(StringBuilder.java:663)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.kxml2.io.KXmlParser.readValue(KXmlParser.java:1419)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.kxml2.io.KXmlParser.next(KXmlParser.java:390)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.kxml2.io.KXmlParser.next(KXmlParser.java:310)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.kxml2.io.KXmlParser.nextText(KXmlParser.java:2056)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.serialization.DM.readInstance(DM.java:34)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.serialization.SoapSerializationEnvelope.readInstance(SoapSerializationEnvelope.java:462)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.serialization.SoapSerializationEnvelope.read(SoapSerializationEnvelope.java:420)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.serialization.SoapSerializationEnvelope.readUnknown(SoapSerializationEnvelope.java:289)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.serialization.SoapSerializationEnvelope.read(SoapSerializationEnvelope.java:422)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.serialization.SoapSerializationEnvelope.parseBody(SoapSerializationEnvelope.java:149)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.SoapEnvelope.parse(SoapEnvelope.java:137)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.transport.Transport.parseResponse(Transport.java:100)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:195)
11-07 19:54:41.283: E/AndroidRuntime(10620): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:95)
11-07 19:54:41.283: E/AndroidRuntime(10620): at jp.osaka.APPLIActivity.getMarterDB(APPLIActivity.java:408)
11-07 19:54:41.283: E/AndroidRuntime(10620): at jp.osaka.APPLIActivity.access$0(APPLIActivity.java:390)
11-07 19:54:41.283: E/AndroidRuntime(10620): at jp.osaka.APPLIActivity$myrunable.run(APPLIActivity.java:369)
11-07 19:54:41.283: E/AndroidRuntime(10620): at java.lang.Thread.run(Thread.java:856)
My data is about 2.4MB.(5.000.000 characters). Is there a limit on the memory of my device? Why?
The memory limit is for the app as a whole, not for the http alone. So you have a lot of memory used elsewhere in the app, or your phone as a whole is low on ram. Most likely its your app though. Run hprof on your app and see if you're leaking references. Believe it or not memory management in a large Java program takes as much effort as in C++, and Android's framework makes it easy to leak a lot of objects passed to it like activities.