I'm new at android programming, I want to fetch Parse in ListView arrangement and i found the perfect guide, but i cant really implement it on my code. I have browse a lot for 2 days and i give up.
Here's the error
E/AndroidRuntime﹕ FATAL EXCEPTION: AsyncTask #1
Process: com.example.osbert.buttons, PID: 2732
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:300)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:818)
Caused by: java.lang.RuntimeException: You must call Parse.initialize(context, oauthKey, oauthSecret) before using the Parse library.
at com.parse.ParseUser.checkApplicationContext(ParseUser.java:1426)
at com.parse.ParseUser.getCurrentUserAsync(ParseUser.java:1048)
at com.parse.ParseUser.access$900(ParseUser.java:27)
at com.parse.ParseUser$9.then(ParseUser.java:1041)
at com.parse.ParseUser$9.then(ParseUser.java:1038)
at com.parse.TaskQueue.enqueue(TaskQueue.java:61)
at com.parse.ParseUser.getCurrentUserAsync(ParseUser.java:1038)
at com.parse.ParseUser.getCurrentUserAsync(ParseUser.java:1001)
at com.parse.ParseQuery.getUserAsync(ParseQuery.java:352)
at com.parse.ParseQuery.access$1600(ParseQuery.java:78)
at com.parse.ParseQuery$15.call(ParseQuery.java:1000)
at com.parse.ParseQuery$15.call(ParseQuery.java:997)
at com.parse.ParseQuery.doWithRunningCheck(ParseQuery.java:936)
at com.parse.ParseQuery.findInBackground(ParseQuery.java:997)
at com.parse.ParseQuery.find(ParseQuery.java:588)
at com.example.osbert.buttons.RestaurantList$RemoteDataTask.doInBackground(RestaurantList.java:60)
at com.example.osbert.buttons.RestaurantList$RemoteDataTask.doInBackground(RestaurantList.java:34)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
E/WindowManager﹕ android.view.WindowLeaked: Activity com.example.osbert.buttons.RestaurantList has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{27bb5583 V.E..... R......D 0,0-729,322} that was originally added here
at android.view.ViewRootImpl.<init>(ViewRootImpl.java:363)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:261)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
at android.app.Dialog.show(Dialog.java:298)
at com.example.osbert.buttons.RestaurantList$RemoteDataTask.onPreExecute(RestaurantList.java:46)
at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:587)
at android.os.AsyncTask.execute(AsyncTask.java:535)
at com.example.osbert.buttons.RestaurantList.onCreate(RestaurantList.java:30)
at android.app.Activity.performCreate(Activity.java:5937)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
at android.app.ActivityThread.access$800(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
And here's my code
package com.example.osbert.buttons;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.ListView;
import com.parse.ParseException;
import com.parse.ParseFile;
import com.parse.ParseObject;
import com.parse.ParseQuery;
public class RestaurantList extends Activity {
// Declare Variables
ListView listview;
List<ParseObject> ob;
ProgressDialog mProgressDialog;
ListViewAdapter adapter;
private List<WorldPopulation> worldpopulationlist = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Get the view from listview_main.xml
setContentView(R.layout.listview_main);
// Execute RemoteDataTask AsyncTask
new RemoteDataTask().execute();
}
// RemoteDataTask AsyncTask
private class RemoteDataTask extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
// Create a progressdialog
mProgressDialog = new ProgressDialog(RestaurantList.this);
// Set progressdialog title
mProgressDialog.setTitle("Loading");
// Set progressdialog message
mProgressDialog.setMessage("Loading...");
mProgressDialog.setIndeterminate(false);
// Show progressdialog
mProgressDialog.show();
}
@Override
protected Void doInBackground(Void... params) {
// Create the array
worldpopulationlist = new ArrayList<WorldPopulation>();
try {
// Locate the class table named "Country" in Parse.com
ParseQuery<ParseObject> query = new ParseQuery<ParseObject>(
"Country");
// Locate the column named "ranknum" in Parse.com and order list
// by ascending
query.orderByAscending("ranknum");
ob = query.find();
for (ParseObject country : ob) {
// Locate images in flag column
ParseFile image = (ParseFile) country.get("flag");
WorldPopulation map = new WorldPopulation();
map.setRank((String) country.get("rank"));
map.setCountry((String) country.get("country"));
map.setPopulation((String) country.get("population"));
map.setFlag(image.getUrl());
worldpopulationlist.add(map);
}
} catch (ParseException e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
// Locate the listview in listview_main.xml
listview = (ListView) findViewById(R.id.listview);
// Pass the results into ListViewAdapter.java
adapter = new ListViewAdapter(RestaurantList.this,
worldpopulationlist);
// Binds the Adapter to the ListView
listview.setAdapter(adapter);
// Close the progressdialog
mProgressDialog.dismiss();
finish();
}
}
}
Pls help :((
Thanks in advance
