我想使用http protocol.i通过JSON对象发送一些信息。我收到此错误。
UNEXPECTED TOP-LEVEL ERROR:
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2271)
at java.io.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:178)
at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:279)
at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
at com.android.dx.command.dexer.Main.processOne(Main.java:672)
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:569)
at com.android.dx.command.dexer.Main.runMultiDex(Main.java:366)
at com.android.dx.command.dexer.Main.run(Main.java:275)
at com.android.dx.command.dexer.Main.main(Main.java:245)
at com.android.dx.command.Main.main(Main.java:106)
FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:dexDebug'.
> com.android.ide.common.internal.LoggedErrorException: Failed to run command:
C:\Users\Koli\AppData\Local\Android\sdk\build-tools\23.0.0\dx.bat --dex --no-optimize --multi-dex --main-dex-list D:\Android\MedApp\app\build\intermediates\multi-dex\debug\maindexlist.txt --output D:\Android\MedApp\app\build\intermediates\dex\debug --input-list=D:\Android\MedApp\app\build\intermediates\tmp\dex\debug\inputList.txt
Error Code:
3
Output:
UNEXPECTED TOP-LEVEL ERROR:
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2271)
at java.io.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:178)
at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:279)
at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
at com.android.dx.command.dexer.Main.processOne(Main.java:672)
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:569)
at com.android.dx.command.dexer.Main.runMultiDex(Main.java:366)
at com.android.dx.command.dexer.Main.run(Main.java:275)
at com.android.dx.command.dexer.Main.main(Main.java:245)
at com.android.dx.command.Main.main(Main.java:106)
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
这是我的gradle.app
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "23.0.0"
defaultConfig {
applicationId "com.knitechs.www.medapp"
minSdkVersion 15
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
productFlavors {
}
packagingOptions {
exclude 'META-INF/DEPENDENCIES'
exclude 'META-INF/LICENSE'
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/license.txt'
exclude 'META-INF/NOTICE'
exclude 'META-INF/NOTICE.txt'
exclude 'META-INF/notice.txt'
exclude 'META-INF/ASL2.0'
}
defaultConfig {
multiDexEnabled = true
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:23.1.0'
compile 'com.google.android.gms:play-services:+'
}
这是我的活动
package com.knitechs.www.medapp;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import com.knitechs.www.medapp.Transactors.PatientDetailsSender;
import com.knitechs.www.medapp.actors.Patient;
import java.util.Calendar;
public class PatientDetails extends ActionBarActivity {
Button cmdSave;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_patient_details);
cmdSave = (Button)findViewById(R.id.cmdSave);
cmdSave.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Patient pt = new Patient();
pt.setRecordCode(((EditText) findViewById(R.id.txtPatientRecordCode)).getText().toString());
pt.setName(((EditText) findViewById(R.id.txtFullName)).getText().toString());
pt.setAddress(((EditText) findViewById(R.id.txtAddress)).getText().toString());
pt.setTelephone(((EditText) findViewById(R.id.txtTelepphoneNumber)).getText().toString());
pt.setGardianName(((EditText) findViewById(R.id.txtGardianName)).getText().toString());
pt.setGardianTelephone(((EditText) findViewById(R.id.txtGardianContactNumber)).getText().toString());
final Spinner sp = (Spinner)findViewById(R.id.spnGender);
pt.setGender(sp.getSelectedItem().toString());
final DatePicker dob = (DatePicker) findViewById(R.id.dateDob);
Calendar cal = Calendar.getInstance();
cal.set(dob.getYear(),dob.getMonth(),dob.getDayOfMonth());
pt.setBirthdate(cal.getTime());
PatientDetailsSender patientDetailsSender = new PatientDetailsSender(pt,"php/service_classes/PatientDetails.php",getApplicationContext(),"Processing","Details Saved");
patientDetailsSender.execute();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_patient_details, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
这是我的PatientDetailsSender课程
package com.knitechs.www.medapp.Transactors;
import android.content.Context;
import com.knitechs.www.medapp.actors.Patient;
import com.knitechs.www.medapp.core.JSONSender;
import com.knitechs.www.medapp.core.PDialog;
import java.util.HashMap;
/**
* Created by Koli on
*/
public class PatientDetailsSender extends JSONSender {
Patient patient;
String url;
HashMap<String,String> params;
String message;
public PatientDetailsSender(Patient patient,String url,Context context,String message,String successmessge){
this.patient=patient;
super.setSender_url(url); // set the send URL
super.setCurrentActivityContext(context); // set current context
this.message = message; // set message for in process
super.setpDialog(new PDialog(super.getCurrentActivityContext(),message)); // ser process dialog
super.setSuccess_message(successmessge); // set success messge
setPatientDataToHashMap(); // set the hash map
}
public void execute(){
executeQueryCreator();
}
private void setPatientDataToHashMap(){
params = new HashMap<>();
params.put("REC_CODE",patient.getRecordCode());
params.put("NAME",patient.getName());
params.put("ADDRESS",patient.getAddress());
params.put("GENDER",patient.getGender());
params.put("GUARDIAN_NAME",patient.getGardianName());
params.put("GUARDIAN_TP",patient.getGardianTelephone());
params.put("B_DATE",patient.getBirthdateString());
params.put("AGE",patient.getAgeString());
params.put("TELEPHONE",patient.getTelephone());
}
}
这是我的JOSNSender课程
public class JSONSender {
private static String sender_url ; // sender URL
private ProgressDialog pDialog; // process dialog for when executing
private Context currentActivityContext; // current activity
private String success_message; // success message when the dat inserted
private HashMap<String,String> parameters; // map for data for json object
JSONParser jsonParser = new JSONParser(); // json parser
private static final String TAG_SUCCESS = "success";
public static void setSender_url(String sender_url) {
JSONSender.sender_url = sender_url;
}
public void setpDialog(ProgressDialog pDialog) {
this.pDialog = pDialog;
}
public void setParameters(HashMap<String, String> parameters) {
this.parameters = parameters;
}
public void setSuccess_message(String success_message) {
this.success_message = success_message;
}
public void setCurrentActivityContext(Context currentActivityContext) {
this.currentActivityContext = currentActivityContext;
}
public Context getCurrentActivityContext() {
return currentActivityContext;
}
protected void executeQueryCreator(){
new QueryCreator().execute();
}
class QueryCreator extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog if it is having
* */
@Override
protected void onPreExecute() {
super.onPreExecute();
if(!pDialog.equals(null)){
pDialog.show();
}
}
/**
* Do work in the save to datbse
* */
protected String doInBackground(String... args) {
JSONObject json = jsonParser.makeHttpRequest(sender_url, "POST", parameters); // create the JSON object in parameters and send data
Log.d("Create Response", json.toString());
/**
* check for success tag incomming
*/
try {
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
Log.d("Data Saved"," OK"); // data saved indatabase
if(!success_message.isEmpty()){
Toast.makeText(getCurrentActivityContext(), success_message, Toast.LENGTH_SHORT).show();
}
} else {
Log.d("Data Failed", " NO"); // Data failed
Toast.makeText(getCurrentActivityContext(),"Error",Toast.LENGTH_SHORT).show();
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog once done
if(!pDialog.equals(null)){
pDialog.dismiss();
}
}
}
}
这是我的JSONParser类
package com.knitechs.www.medapp.core;
import android.util.Log;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
/**
* Created by Koli on
*/
public class JSONParser {
String charset = "UTF-8"; // character type
HttpURLConnection conn; // HTTP connection
DataOutputStream wr; // Data output stream for get out data from database
StringBuilder result; // reciving data string
URL urlObj; // URL object for the connection
JSONObject jObj = null; // Json object for create Json parsers
StringBuilder sbParams; // string for create parameter url
String paramsString; // sending parameter url string
private String ipaddress ="http://192.168.8.100/"; //IP address of theserver
/**
* @param url_path url for the servenr php service class without the ip (folder/pages)
* @param method port or get method
* @param params json object parmeters
* @return JSON object returns with include HTTP URL
*/
public JSONObject makeHttpRequest(String url_path, String method, HashMap<String, String> params) {
sbParams = new StringBuilder(); // create new string for theparameters
int i = 0;
/**
* create the URL parameter string from key set and values
* key=value & key=value like that
*/
for (String key : params.keySet()) {
try {
if (i != 0) {
sbParams.append("&");
}
sbParams.append(key).append("=")
.append(URLEncoder.encode(params.get(key), charset));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
i++;
}
/**
* create the connection URL
*/
String url = ipaddress + url_path ;
/**
* create the connection object byVal method
*/
if (method.equals("POST")) {
/**
* request port method
*/
try {
urlObj = new URL(url); // create a URL object
conn = (HttpURLConnection) urlObj.openConnection(); // create a HTTP connection object from theURL object
conn.setDoOutput(true); // set the method type as Output
conn.setRequestMethod("POST"); // Request method as POST
conn.setRequestProperty("Accept-Charset", charset); // chrctor acceptance
conn.setReadTimeout(10000); // readable timeout for reading
conn.setConnectTimeout(15000); // connection time out for connect to server
conn.connect();
paramsString = sbParams.toString(); // parameter string
wr = new DataOutputStream(conn.getOutputStream()); // write the output stream to the Dtoutput stream
wr.writeBytes(paramsString);
wr.flush();
wr.close();
} catch (IOException e) {
e.printStackTrace();
}
} else if (method.equals("GET")) {
/**
* request get method
*/
if (sbParams.length() != 0) {
url += "?" + sbParams.toString(); // url ? key = val1 & key = val2
}
try {
urlObj = new URL(url); // create a URL object
conn = (HttpURLConnection) urlObj.openConnection(); // create a HTTP connection object from theURL object
conn.setDoOutput(false); // set the method type as Output
conn.setRequestMethod("GET"); // Request method as GET
conn.setRequestProperty("Accept-Charset", charset); // chrctor acceptance
conn.setConnectTimeout(15000); // connection time out for connect to server
conn.connect();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* response comes from server for request message this is also as a data input stream,same connection c
*/
try {
InputStream in = new BufferedInputStream(conn.getInputStream()); // input strem
BufferedReader reader = new BufferedReader(new InputStreamReader(in)); // Buffer reader for the reader od connection statements,inpu string
result = new StringBuilder(); // respond message
String line;
/**
* append the lines in to single result string
*/
while ((line = reader.readLine()) != null) {
result.append(line);
}
Log.d("JSON Parser", "result: " + result.toString());
} catch (IOException e) {
e.printStackTrace();
}
conn.disconnect(); // disconnect the connection
/**
* parse the string to a json object
*/
try {
jObj = new JSONObject(result.toString());
} catch (JSONException e) {
Log.e("JSON Parser", "Error parsing data " + e.toString());
}
return jObj; // return json object
}
}
这是我的PDialog类
package com.knitechs.www.medapp.core;
import android.app.ProgressDialog;
import android.content.Context;
/**
* Created by Koli on
*/
public class PDialog extends ProgressDialog {
public PDialog(Context context) {
super(context);
}
public PDialog(Context context,String message){
super(context);
super.setMessage(message);
super.setIndeterminate(false);
}
}
我很困惑为什么我得到这个错误。请帮助我。
答案 0 :(得分：1)
在android项目build.gradle文件中增加javamaxheapsize可能可以解决问题。
android {
...
dexOptions {
javaMaxHeapSize "4g"
}
}
请参阅此处了解更多信息。
Implementing MultiDex results in compiling for so long, and finally heap space error