调用两个函数connecttask和connecttaskproperty时发生错误。如果只是召唤connecttask它的工作原理。有人可以帮忙吗？
私有类DelayedTask扩展了TimerTask {
@Override
public void run() {
String url = "...";
Log.i("Tag","Timer Task executing");
// code for updating sqlite database
try {
int k = db.getReportsCount();
Log.d("send0","getReports");
for(int i = 1; i < k+1; i++ ){
Log.d("send2","getReports");
Report report = new Report();
report = db.getReport(i);
Log.d("send1","getReport");
int posted;
posted = report.getPosted();
Log.d("send", String.valueOf(posted));
if(posted == 0){
// asynTaskParam = new AsyncTaskParam(report, url);
//asynTaskParam
Map<Integer, Report> hashmap = new HashMap<Integer, Report>();
hashmap.put(i, report);
new ConnectTask().execute(hashmap);
Log.d("send", String.valueOf(hashmap));
// new ConnectTaskProperty().execute(hashmap);
// Log.d("send", "property");
/* new ConnectTaskRental().execute(hashmap);
Log.d("send", "rental");
new ConnectTaskCar().execute(hashmap);
Log.d("send", "car");
new ConnectTaskOtherAsset().execute(hashmap);
Log.d("send", "Oa");
new ConnectTaskBussinessAsset().execute(hashmap);
Log.d("send", "Business Asset");
new ConnectTaskDebt().execute(hashmap);
Log.d("send", "Debt");*/
db.getIdPosted(i);
Log.d("Odebrałem", "czy zmieniono");
}
}
} catch (Exception e) {
e.printStackTrace();
}
Log.d("select", "test");
}
}
private class ConnectTask extends AsyncTask</*AsyncTaskParam*/Map<Integer, Report>, Void, String> {
私有类ConnectTask扩展了AsyncTask，Void，String＆gt; {
@Override
protected String doInBackground(Map<Integer,Report>/*AsyncTaskParam*/... params) {
Map<Integer,Report> localHashmap = params[0];
String result;
checkConnectivity(context);
result = doPost(localHashmap);
return result;
}
@Override
protected void onPostExecute(String result) {
if (result != null) {
Toast.makeText(ReportMainScreen.this, "Información recuperada: [" + result + "]",
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(ReportMainScreen.this, "Error al tratar de conectar con el servidor.",
Toast.LENGTH_LONG).show();
}
}
}
public String doPost(Map<Integer,Report> localHashmap) {
// HttpParams httpParameters = new BasicHttpParams();
// Se ponen 3 segundos de timeout.
// HttpConnectionParams.setConnectionTimeout(httpParameters, 30000);
// localHashmap.get(1);
// for(int i = 0; i < localHashmap.size()+1;i++)
// {
Integer reportId = null;
Report reportRecord = null;
Iterator it = localHashmap.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pairs = (Map.Entry)it.next();
reportId = (Integer) pairs.getKey();
reportRecord = (Report) pairs.getValue();
// System.out.println(pairs.getKey() + " = " + pairs.getValue());
it.remove(); // avoids a ConcurrentModificationException
}
//}
Integer EncounterId = reportRecord.getEncounter_id();
Encounter encounterLocal = db.getEncounter(EncounterId);
Integer ReportId = reportRecord.getId();
Personal personalLocal = db.getPersonal(ReportId);
String url = "...";
HttpClient client = new DefaultHttpClient(/*httpParameters*/);
HttpPost httpPost = new HttpPost(url);
try {
// Build the JSON object to pass parameters
JSONObject jsonObj = new JSONObject();
jsonObj.put("key1", reportRecord.getEncounter_id());
jsonObj.put("key2", encounterLocal.getEncounterFee());
jsonObj.put("key3", encounterLocal.getEncounterTax());
jsonObj.put("key4", encounterLocal.getEncounterSettlement());
jsonObj.put("key5", encounterLocal.getEncounterMetWith());
jsonObj.put("key6", encounterLocal.getEncounterProxy());
jsonObj.put("key7", reportRecord.getTax_excess());
jsonObj.put("key8", reportRecord.getOutlays());
jsonObj.put("key9", personalLocal.getReg_number());
jsonObj.put("key10", personalLocal.getTelephone());
jsonObj.put("key11", personalLocal.getMartial_status());
jsonObj.put("key12", personalLocal.getChildren());
jsonObj.put("key13", personalLocal.getOccupation());
jsonObj.put("key14", personalLocal.getIncome());
jsonObj.put("key15", personalLocal.getSpouse_income());
jsonObj.put("key16", personalLocal.getDisposable_income());
jsonObj.put("key17", reportRecord.getInstallments());
DateFormat dateFormat = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US);
Log.d("test", String.valueOf(reportRecord.getInstallments_from()));
Date convertedDate = (Date) dateFormat.parse(String.valueOf(reportRecord.getInstallments_from()));
Log.d("testx2","testx2");
SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy 'kl.-'HH:mm");
String strDate = sdf.format(convertedDate);
jsonObj.put("key18", strDate);
jsonObj.put("key19", reportRecord.getInsolvency());
jsonObj.put("key20", reportRecord.getCredibility());
jsonObj.put("key21", encounterLocal.getEncounterEncounterNotes());
// Create the POST object and add the parameters
StringEntity entity = new StringEntity(jsonObj.toString(), HTTP.UTF_8);
entity.setContentType("application/json");
httpPost.setEntity(entity);
HttpResponse response = client.execute(httpPost);
return convertHttpResponseToString(response);
} catch (Exception e) {
Log.e("HTTP", "Error in http connection " + e.toString());
return null;
}
}
private class ConnectTaskProperty extends AsyncTask<Map<Integer, Report>, Void, String> {
// public AsyncTaskParam asyncTaskParam;
@Override
protected String doInBackground(Map<Integer,Report>... params) {
Map<Integer,Report> localHashmap = params[0];
String result;
checkConnectivity(context);
result = doPostProperty(localHashmap);
return result;
}
@Override
protected void onPostExecute(String result) {
if (result != null) {
Toast.makeText(ReportMainScreen.this, "Información recuperada: [" + result + "]",
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(ReportMainScreen.this, "Error al tratar de conectar con el servidor.",
Toast.LENGTH_LONG).show();
}
}
}
public String doPostProperty(Map<Integer,Report> localHashmap) {
Log.d("test"," test property");
Integer reportId = null;
Report reportRecord = null;
Iterator it = localHashmap.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pairs = (Map.Entry)it.next();
reportId = (Integer) pairs.getKey();
reportRecord = (Report) pairs.getValue();
Log.d("reportRecord", String.valueOf(reportRecord.getId()));
it.remove();
}
String url = "...";
HttpClient client = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
Log.d("reportid", String.valueOf(reportId));
Integer ReportId = reportRecord.getId();
int k = db.getPropertyCount();
for(int i = 1; i < k+1; i++ ) {
Property propertyLocal = new Property();
try {
propertyLocal = db.getProperty(i);
} catch (Exception e) {
e.printStackTrace();
}
int report_id;
report_id = propertyLocal.getReport_id();
if (report_id == ReportId) {
int posted;
posted = propertyLocal.getPosted();
Log.d("posted", String.valueOf(posted));
if (posted == 0) {
Log.d("test","getposted property");
try {
// Build the JSON object to pass parameters
JSONObject jsonObj = new JSONObject();
jsonObj.put("key1", propertyLocal.getAddress());
jsonObj.put("key2", propertyLocal.getValue());
jsonObj.put("key3", propertyLocal.getDebt());
jsonObj.put("key4", propertyLocal.getNotes());
jsonObj.put("key5", propertyLocal.getReport_id());
StringEntity entity = new StringEntity(jsonObj.toString(), HTTP.UTF_8);
entity.setContentType("application/json");
httpPost.setEntity(entity);
HttpResponse response = client.execute(httpPost);
return convertHttpResponseToString(response);
} catch (Exception e) {
Log.e("HTTP", "Error in http connection " + e.toString());
return null;
}
}
}
}
return null;
}
并记录错误
FATAL EXCEPTION: AsyncTask #4
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:299)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
at java.util.concurrent.FutureTask.run(FutureTask.java:239)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:838)
Caused by: java.lang.NullPointerException
at .app.view.ReportMainScreen.doPostProperty(ReportMainScreen.java:538)
at .app.view.ReportMainScreen$ConnectTaskProperty.doInBackground(ReportMainScreen.java:502)
at app.view.ReportMainScreen$ConnectTaskProperty.doInBackground(ReportMainScreen.java:494)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
答案 0 :(得分：0)
doPostProperty(Map<Integer,Report> localHashmap){
String url = "...";
}
如果您传递了无效的网址值，您将如何获得结果？