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• Android AsyncTask context problem, help!

  - by dnkoutso

  I've been working with AsyncTasks in Android and I am dealing with a strange issue. Take a simple example, an Activity with one AsyncTask. The task on the background does not do anything spectacular, it just sleeps for 8 seconds. At the end of the AsyncTask in the onPostExecute() method I am just setting a button visibility status to View.VISIBLE, only to verify my results. Now, this works great until the user decides to change his phones orientation while the AsyncTask is working (within the 8 second sleep window). I understand the Android activity life cycle and I know the activity gets destroyed and recreated. This is where the problem comes in. The AsyncTask is referring to a button and apparently holds a reference to the context that started the AsyncTask in the first place. I would expect, that this old context (since the user caused an orientation change) to either become null and the AsyncTask to throw an NPE for the reference to the button it is trying to make visible. Instead, no NPE is thrown, the asynctask thinks that the button reference is not null, sets it to visible. The result? Nothing is happening on the screen! I have tackled this by keeping and updating the context reference into the AsyncTask. This is cumbersome and prone to leaks. Here's the code: public class Main extends Activity { private Button mButton = null; private Button mTestButton = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mButton = (Button) findViewById(R.id.btnStart); mButton.setOnClickListener(new OnClickListener () { @Override public void onClick(View v) { new taskDoSomething().execute(0l); } }); mTestButton = (Button) findViewById(R.id.btnTest); } private class taskDoSomething extends AsyncTask<Long, Integer, Integer> { @Override protected Integer doInBackground(Long... params) { Log.i("LOGGER", "Starting..."); try { Thread.sleep(8000); } catch (InterruptedException e) { e.printStackTrace(); } return 0; } @Override protected void onPostExecute(Integer result) { Log.i("LOGGER", "...Done"); mTestButton.setVisibility(View.VISIBLE); } } } Try executing and while the AsyncTask is working change your phones orientation.

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• Operator overloading outside class

  - by bobobobo

  There are two ways to overload operators for a C++ class: Inside class class Vector2 { public: float x, y ; Vector2 operator+( const Vector2 & other ) { Vector2 ans ; ans.x = x + other.x ; ans.y = y + other.y ; return ans ; } } ; Outside class class Vector2 { public: float x, y ; } ; Vector2 operator+( const Vector2& v1, const Vector2& v2 ) { Vector2 ans ; ans.x = v1.x + v2.x ; ans.y = v1.y + v2.y ; return ans ; } (Apparently in C# you can only use the "outside class" method.) In C++, which way is more correct? Which is preferable?

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• Rx framework: How to wait for an event to be triggered in silverlight test

  - by user324255

  Hi, I have a ViewModel that starts loading the Model async in the constructor, and triggers an event when the Model is loaded. I got a test working with the silverlight unit test framework, like this : bool done = false; [TestMethod] [Asynchronous] public void Test_NoCustomerSelected() { ProjectListViewModel viewModel = null; EnqueueCallback(() => viewModel = new ProjectListViewModel()); EnqueueCallback(() => viewModel.ModelLoaded += new EventHandler<EventArgs>(viewModel_ModelLoaded)); EnqueueConditional(() => done); EnqueueCallback(() => Assert.IsNotNull(viewModel.FilteredProjectList)); EnqueueCallback(() => Assert.AreEqual(4, viewModel.FilteredProjectList.Count)); EnqueueTestComplete(); } void viewModel_ModelLoaded(object sender, EventArgs e) { done = true; } But I'm beginning playing with Rx Framework, and trying to get my test to work, but so far I have no luck. Here's 2 attempts : public void Test_NoCustomerSelected2() { ProjectListViewModel viewModel = null; viewModel = new ProjectListViewModel(eventAggregatorMock.Object, moduleManagerMock.Object); IObservable<IEvent<EventArgs>> eventAsObservable = Observable.FromEvent<EventArgs>( ev => viewModel.ModelLoaded += ev, ev => viewModel.ModelLoaded -= ev); eventAsObservable.Subscribe(args => viewModel_ModelLoaded(args.Sender, args.EventArgs)); eventAsObservable.First(); Assert.IsNotNull(viewModel.Model); Assert.AreEqual(4, viewModel.Model.Count); } [TestMethod] public void Test_NoCustomerSelected3() { ProjectListViewModel viewModel = null; var o = Observable.Start(() => viewModel = new ProjectListViewModel(eventAggregatorMock.Object, moduleManagerMock.Object)); IObservable<IEvent<EventArgs>> eventAsObservable = Observable.FromEvent<EventArgs>( ev => viewModel.ModelLoaded += ev, ev => viewModel.ModelLoaded -= ev); o.TakeUntil(eventAsObservable) .First(); Assert.IsNotNull(viewModel.Model); Assert.AreEqual(4, viewModel.Model.Count); } The first test goes in waiting forever, the second doesn't work because the viewModel is null when it does the FromEvent. Anyone has a clue on how to do this properly?

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• How do I get the SharedPreferences from a PreferenceActivity in Android?

  - by Dave

  Hi, I am using a PreferenceActivity to show some settings for my application. I am inflating the settings via a xml file so that my onCreate (and complete class methods) looks like this: public class FooActivity extends PreferenceActivity { @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); addPreferencesFromResource(R.xml.preference); } } The javadoc of PreferenceActivity states, that These preferences will automatically save to SharedPreferences as the user interacts with them. To retrieve an instance of SharedPreferences that the preference hierarchy in this activity will use, call getDefaultSharedPreferences(android.content.Context) with a context in the same package as this activity. But how I get the name of the SharedPreference in another Activity? I can only call getSharedPreferences(name, mode) in the other activity but I need the name of the SharedPreference which was used by the PreferenceActivity. What is the name or how can i retrieve it?

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• Class scope variable vs method scope variable

  - by Masud

  I know that variable scope is enclosed by a start of block { and an end of block }. If the same variable is declared within the block, then the compile error Variable already defined occurs. But take a look at following example. public class Test{ int x=0;// Class scope variable public void m(){ int x=9; //redeclaration of x is valid within the scope of same x. if(true){ int x=7; // but this redeclaration generates a compile time error. } } Here, x can be redeclared in a method, although it's already declared in the class. But in the if block, x can't be redeclared. Why is it that redeclaration of a class scope variable doesn't generate an error, but a method scope variable redeclaration generates an error?

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• Does writing data to server using Java URL class require response from server?

  - by gigadot

  I am trying to upload files using Java URL class and I have found a previous question on stack-overflow which explains very well about the details, so I try to follow it. And below is my code adopted from the sniplet given in the answer. My problem is that if I don't make a call to one of connection.getResponseCode() or connection.getInputStream() or connection.getResponseMessage() or anything which is related to reponse from the server, the request will never be sent to server. Why do I need to do this? Or is there any way to write the data without getting the response? P.S. I have developed a server-side uploading servlet which accepts multipart/form-data and save it to files using FileUpload. It is stable and definitely working without any problem so this is not where my problem is generated. import java.io.Closeable; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.io.PrintWriter; import java.net.HttpURLConnection; import java.net.URL; import org.apache.commons.io.IOUtils; public class URLUploader { public static void closeQuietly(Closeable... objs) { for (Closeable closeable : objs) { IOUtils.closeQuietly(closeable); } } public static void main(String[] args) throws IOException { File textFile = new File("D:\\file.zip"); String boundary = Long.toHexString(System.currentTimeMillis()); // Just generate some unique random value. HttpURLConnection connection = (HttpURLConnection) new URL("http://localhost:8080/upslet/upload").openConnection(); connection.setDoOutput(true); connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary); OutputStream output = output = connection.getOutputStream(); PrintWriter writer = writer = new PrintWriter(output, true); // Send text file. writer.println("--" + boundary); writer.println("Content-Disposition: form-data; name=\"file1\"; filename=\"" + textFile.getName() + "\""); writer.println("Content-Type: application/octet-stream"); FileInputStream fin = new FileInputStream(textFile); writer.println(); IOUtils.copy(fin, output); writer.println(); // End of multipart/form-data. writer.println("--" + boundary + "--"); output.flush(); closeQuietly(fin, writer, output); // Above request will never be sent if .getInputStream() or .getResponseCode() or .getResponseMessage() does not get called. connection.getResponseCode(); } }

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• keeping references to inflated custom views

  - by darren

  Hi While researching how to create custom compound views in Android, I have come across this pattern a lot (example comes from the Jteam blog) : public class FirstTab extends LinearLayout { private ImageView imageView; private TextView textView; private TextView anotherTextView; public FirstTab(Context context, AttributeSet attributeSet) { super(context, attributeSet); LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); inflater.inflate(R.layout.firstTab, this); } } I mostly understand how this is working, except for the part where inflate() is called. The documentation says that this method returns a View object, but in this example the author does not store the result anywhere. After inflation, how is the new View created fromt eh XML associated with this class? I thought about assigning it to "this", but that seems very wrong. thanks for any clarification.

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• WCF-MSMQ Service

  - by sundar

  Can we use the public queues without the Windows domain?

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• how to assign an object to smarty templates?

  - by keisimone

  i created a model object in PHP class User { public $title; public function changeTitle($newTitle){ $this->title = $newTitle; } } How do i expose the property of a User object in smarty just by assigning the object? I know i can do this $smarty->assign('title', $user->title); but my object has something like over 20 plus properties. Please advise. EDIT 1 the following didn't work for me. $smarty->assign('user', $user); OR $smarty->register_object('user', $user); then i try to {$user->title} nothing came out. Thank you.

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• Populating DataGrid with SQLResult Air Flex

  - by Deyon

  I been beating my self up all day on this...I'm about to call it quits and get some Chinese food -=\ I'm selecting data from a local SQL DB. [Bindable] public var ac:ArrayCollection; public function select():void { statement.sqlConnection=conn; statement.text="SELECT * FROM PROJECT"; statement.execute(); var res : SQLResult = statement.getResult(); ac = new ArrayCollection(res.data); //So this traces out [Object][object] So it works trace(ac); } If I do var myObj:Object=res.data[0]; I can trace myObj and view the data. But I don't know how to insert the data into a datagrid. mygrid.dataProvider=ac; dose not work. I'm using Flash Builder 4 Help please....

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• NullPointerException when Using requestWindowFeature(Window.FEATURE_NO_TITLE) on ListActivity Extending Activity

  - by ColorWP.com

  I have a ListActivity extending class and I am trying to hide the default TitleBar (I think it's called ActionBar) using the code below. It works on a regular activity, but not on the ListActivity. How do I accomplish the same in this scenario? public class MyClass extends ListActivity{ @Override public void onCreate(Bundle b) { requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(b); // Tried Window.FEATURE_NO_TITLE here as well setContentView(R.layout.activity_myclass); getActionBar().setDisplayHomeAsUpEnabled(true); } }

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• How can i navigate one xaml page to another?

  - by programmerist

  i have 2 page i need to navigate mainpage.xaml to login.page xaml but it throws me Object reference not set to an instance of an object. in Root.Children.Clear();.... i added this codes in App.xaml: private void Application_Startup(object sender, StartupEventArgs e) { Grid myGrid = new Grid(); myGrid.Children.Add(new MainPage()); this.RootVisual = myGrid; } and than i adde some codes on main.xaml to navigate to LoginUI.xaml namespace Gen.CallCenter.UI { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); Grid Root = ((Grid)(this.Parent)); Root.Children.Clear(); Root.Children.Add(new LoginUI()); } } } How can i navigate main.xaml to LoginUI.xaml ?

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• Difference between Singleton implemention using pointer and using static object

  - by Anon

  EDIT: Sorry my question was not clear, why do books/articles prefer implementation#1 over implementation#2? What is the actual advantage of using pointer in implementation of Singleton class vs using a static object? Why do most books prefer this class Singleton { private: static Singleton *p_inst; Singleton(); public: static Singleton * instance() { if (!p_inst) { p_inst = new Singleton(); } return p_inst; } }; over this class Singleton { public: static Singleton& Instance() { static Singleton inst; return inst; } protected: Singleton(); // Prevent construction Singleton(const Singleton&); // Prevent construction by copying Singleton& operator=(const Singleton&); // Prevent assignment ~Singleton(); // Prevent unwanted destruction };

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• iBatis multiple parameter mapper method

  - by jjczopek

  Hi, Let's say I have a query getUser with two parameters - userName and password. I'd like to have a mapper method looking like this: public UserBean getUser(String userName, String password); Is there any way I can achieve something like that? Or maybe I should pass in my mapper method map of parameters (and some parameterMap in my xml mapper)? public UserBean getUser(Map<String, Object> paramMap); I'm looking forward for some hints and explanations.

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• Using Moq at Blend design time

  - by adrian hara

  This might be a bit out there, but suppose I want to use Moq in a ViewModel to create some design time data, like so: public class SomeViewModel { public SomeViewModel(ISomeDependency dependency) { if (IsInDesignMode) { var mock = new Mock<ISomeDependency>(); dependency = mock.Object; // this throws! } } } The mock could be set up to do some stuff, but you get the idea. My problem is that at design-time in Blend, this code throws an InvalidCastException, with the message along the lines of "Unable to cast object of type 'Castle.Proxies.ISomeDependencyProxy2b3a8f3188284ff0b1129bdf3d50d3fc' to type 'ISomeDependency'." While this doesn't necessarily look to be Moq related but Castle related, I hope the Moq example helps ;) Any idea why that is? Thanks!

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• Mystery undeletable file

  - by Hugh Allen

  I can't delete C:\Config.Msi\75ce84f.rbf. it's not readonly, system or hidden it's not in use by another process (according to Process Explorer) the NT security permissions aren't the problem either - I am the owner and have Full Control ; as a double-check, the Effective Permissions tab shows that I have permission to delete. Yet trying to delete the file gives "Access is Denied" from both Explorer and cmd. I can however rename it or move it to another folder on the same drive. I can also read it and Virustotal says it's clean which is what I would expect (it's just a Windows Installer temp file - a copy of some DLL I think). The relevant line from Process Monitor is: 6:52:14.3726983 PM 112 Explorer.EXE SetDispositionInformationFile C:\Config.Msi\75ce84f.rbf CANNOT DELETE Delete: True Write 1232 Background: I'm using XP SP2. I recently repaired my Adobe Reader installation to make it the default browser plugin again instead of Foxit. (there seems to be no UI to do it otherwise?) So the installer did its thing and then asked to reboot. As is my habit when rebooting is inconvenient I declined the offer and ran pendmoves to find out what files the installer had scheduled to move / delete. It wanted to delete two files with .rbf extension (rollback files) located in C:\Config.msi\. (this applies to both even though I've been speaking about one). So I tried to delete them manually and couldn't. Does anyone have any ideas what could be preventing deletion? (and I don't think it's malware even though I'm not running AV at the moment)

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• Webreference vs servicereference. Only one works ? Serialization ?

  - by phenevo

  Hi, I've got two applications. One uses webreference to my webservice, and second use servicereference to my webservice. There is metohod which I'm invoking: [WebMethod] public Car[] GetCars(string carCode) { Cars[] cars= ModelToContract.ToCars(MyFacade.GetCars(carCode); return cars; } Car has two pools: string Code {get;set;} CarType Type {get;set;} public enum CarType { Van=0, Pickup=1 } I'm debuging this webMethod, and... at the end webservice throw good collection of cars, which has one car: code="bmw",Type.Van But... Application with webrefence receives the same collection and application with servicereference gets collection, where field code is null... Invoking servicereference: MyService myService=new MyService() Cars[] cars= client.GetCars(carcode); Invoking webservice: MyService.MyServiceSoapClient client = new MyServiceS.MyServiceSoapClient(); Cars[] cars= client.GetCars(carcode);

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• Delphi Prism getting Unknown Identifier "DllImport" error

  - by Robo

  I'm trying to call Window's SendMessage method in Delphi Prism, I've declared the class as follow: type MyUtils = public static class private [DllImport("user32.dll", CharSet := CharSet.Auto)] method SendMessage(hWnd:IntPtr; Msg:UInt32; wParam:IntPtr; lParam:IntPtr):IntPtr; external; protected public end; When I tried to compile, I get the error Unknown identifier "DllImport" I used this as an example, http://stackoverflow.com/questions/2708520/how-to-call-function-createprocess-in-delphi-prism and the syntax looks the same. Is there a setting I need to enable, or do I have a syntax error?

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• Map a column to be IDENTITY in db with EF4 Code-Only

  - by Tomas Lycken

  Although I have marked my ID column with .Identity(), the generated database schema doesn't have IDENTITY set to true, which gives me problems when I'm adding records. If I manually edit the database schema (in SQL Management Studio) to have the Id column marked IDENTITY, everything works as I want it - I just can't make EF do that by itself. This is my complete mapping: public class EntryConfiguration : EntityConfiguration<Entry> { public EntryConfiguration() { Property(e => e.Id).IsIdentity(); Property(e => e.Amount); Property(e => e.Description).IsRequired(); Property(e => e.TransactionDate); Relationship(e => (ICollection<Tag>)e.Tags).FromProperty(t => t.Entries); } } As I'm using EF to build and re-build the database for integration testing, I really need this to be done automatically...

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• JSP Custom Taglib: Nested Evaluation

  - by Tiago Fernandez

  Say I have my custom taglib: <%@ taglib uri="http://foo.bar/mytaglib" prefix="mytaglib"%> <%@ taglib uri="http://java.sun.com/jstl/core" prefix="c"%> <mytaglib:doSomething> Test </mytaglib:doSomething> Inside the taglib class I need to process a template and tell the JSP to re-evaluate its output, so for example if I have this: public class MyTaglib extends SimpleTagSupport { @Override public void doTag() throws JspException, IOException { getJspContext().getOut().println("<c:out value=\"My enclosed tag\"/>"); getJspBody().invoke(null); } } The output I have is: <c:out value="My enclosed tag"/> Test When I actually need to output this: My enclosed tag Test Is this feasible? How? Thanks.

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• Android setImageURI out of memory error

  - by Improver

  I have a very small activity that must show an image. If picture is not very small (for example 1.12 Mb 2560x1920) it produces out of memory on change screen orientation. I tried getDrawable.setCallback(null) but no luck. Where am I wrong? public class Fullscreen extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); System.gc(); setContentView(R.layout.fullscreen); ImageView imageView = (ImageView) findViewById(R.id.full_screen_image); long imageId = 2; imageView.setImageURI(Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "" + imageId)); } }

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• Java enums vs constants for Strings

  - by Marcus

  I've switched from using constants for Strings: public static final String OPTION_1 = "OPTION_1"; ... to enums: public enum Options { OPTION_1; } With constants, you'd just refer to the constant: String s = TheClass.OPTION_1 But with Enums, you have to specify toString(): String s = Options.OPTION_1.toString(); I don't like that you have to use the toString() statement, and also, in some cases you can forget to include it which can lead to unintended results.. ie: Object o = map.get(Options.OPTION_1); //This won't work as intended if the Map key is a String Is there a better way to use enums for String constants?

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• GWT and java.io.Serializable

  - by Ethan Leroy

  Hello, In my GWT app I have the following model class: import com.google.gwt.user.client.rpc.IsSerializable; public class TestEntity implements IsSerializable { public String testString; } This class implements the GWT custom IsSerializable marker interface - which I really don't like, because I use my model classes not only for GWT. So I prefer java.io.Serializable. But if I modify the class to implement Serializable instead of IsSerializable, the GWT RPC mechanism doesn't work anymore. I don't get an error on the server side, but on the client AsyncCallback.onFailure is invoked. I am using... GWT 1.7.0. Spring 2.5.6.SEC01 Spring and GWT are configured as described here.

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• ReadOnlyCollection or IEnumerable for exposing member collections?

  - by Erik Öjebo

  Is there any reason to expose an internal collection as a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection? class Bar { private ICollection<Foo> foos; // Which one is to be preferred? public IEnumerable<Foo> Foos { ... } public ReadOnlyCollection<Foo> Foos { ... } } // Calling code: foreach (var f in bar.Foos) DoSomething(f); As I see it IEnumerable is a subset of the interface of ReadOnlyCollection and it does not allow the user to modify the collection. So if the IEnumberable interface is enough then that is the one to use. Is that a proper way of reasoning about it or am I missing something? Thanks /Erik

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• android app working on simulator but not on phone

  - by raqz

  i have this app that i developed and it works great on the simulator with no errors what so ever. but the moment i try to run the same on the phone for testing, the app crashes stating filenotfoundexception. it says the file /res/drawable/divider_horizontal.9.png is missing. but actually speaking, i have never referenced that file through my code. i believe its a system/os file that is unavailable. i have a custom list view, i guess its the divider there... could somebody please suggest what is wrong here. i believe this is a similar issue discussed here..but i am unable to make any sense out of it http://code.google.com/p/transdroid/issues/detail?id=14 the listview.xml layout file <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_height="wrap_content" android:gravity="left|center" android:layout_width="wrap_content" android:paddingBottom="5px" android:paddingTop="5px" android:paddingLeft="5px" > <ImageView android:id="@+id/linkImage" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="6dip" android:src="@drawable/icon" /> <LinearLayout android:orientation="vertical" android:layout_width="0dip" android:layout_weight="1" android:layout_height="fill_parent"> <TextView android:id="@+id/firstLineView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:textColor="#FFFF00" android:text="first line title"></TextView> <TextView android:id="@+id/secondLineView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="second line title" android:layout_marginLeft="10px" android:gravity="center" android:textColor="#0099CC"></TextView> </LinearLayout> </LinearLayout> the main xml file that calls the listview.xml <?xml version="1.0" encoding="UTF-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="40px"> <Button android:id="@+id/todayButton" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Today" android:textSize="12sp" android:gravity="center" android:layout_weight="1" /> <Button android:id="@+id/tomorrowButton" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Tomorrow" android:textSize="12sp" android:layout_weight="1" /> <Button android:id="@+id/WeekButton" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Future" android:textSize="12sp" android:layout_weight="1" /> </LinearLayout> <LinearLayout android:id="@+id/listLayout" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ListView android:id="@+id/ListView01" android:layout_width="fill_parent" android:layout_height="fill_parent" /> <TextView android:id="@id/android:empty" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="No Results" /> </LinearLayout> </LinearLayout> </FrameLayout> and the code for the same is private class EfficientAdapter extends BaseAdapter{ private LayoutInflater mInflater; private String eventTitleArray[]; private String eventDateArray[]; private String eventImageLinkArray[]; public EfficientAdapter(Context context,String[] eventTitleArray,String[] eventDateArray, String[] eventImageLinkArray){ mInflater = LayoutInflater.from(context); this.eventDateArray=eventDateArray; this.eventTitleArray=eventTitleArray; this.eventImageLinkArray =eventImageLinkArray; } public int getCount(){ //return XmlParser.todayEvents.size()-1; return this.eventDateArray.length; } public Object getItem(int position){ return position; } public long getItemId(int position){ return position; } public View getView(int position, View convertView, ViewGroup parent){ ViewHolder holder; if(convertView == null){ convertView = mInflater.inflate(R.layout.listview,null); holder = new ViewHolder(); holder.firstLine = (TextView) convertView.findViewById(R.id.firstLineView); holder.secondLine = (TextView) convertView.findViewById(R.id.secondLineView); holder.imageView = (ImageView) convertView.findViewById(R.id.linkImage); //holder.checkbox = (CheckBox) convertView.findViewById(R.id.star); holder.firstLine.setFocusable(false); holder.secondLine.setFocusable(false); holder.imageView.setFocusable(false); //holder.checkbox.setFocusable(false); convertView.setTag(holder); }else{ holder = (ViewHolder) convertView.getTag(); } Log.i(tag, "Creating the list"); holder.firstLine.setText(this.eventTitleArray[position]); holder.secondLine.setText(this.eventDateArray[position]); Bitmap bitmap; try { bitmap = BitmapFactory.decodeStream((InputStream)new URL("http://eventur.sis.pitt.edu/images/heinz7.jpg").getContent()); } catch (MalformedURLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (Exception e1) { // TODO Auto-generated catch block bitmap = BitmapFactory.decodeFile("assets/heinz7.jpg");//decodeFile(getResources().getAssets().open("icon.png")); e1.printStackTrace(); } try { try{ bitmap = BitmapFactory.decodeStream((InputStream)new URL(this.eventImageLinkArray[position]).getContent());} catch(Exception e){ bitmap = BitmapFactory.decodeStream((InputStream)new URL("http://eventur.sis.pitt.edu/images/heinz7.jpg").getContent()); } int width = 0; int height =0; int newWidth = 50; int newHeight = 40; try{ width = bitmap.getWidth(); height = bitmap.getHeight(); } catch(Exception e){ width = 50; height = 40; } float scaleWidth = ((float)newWidth)/width; float scaleHeight = ((float)newHeight)/height; Matrix mat = new Matrix(); mat.postScale(scaleWidth, scaleHeight); try{ Bitmap newBitmap = Bitmap.createBitmap(bitmap,0,0,width,height,mat,true); BitmapDrawable bmd = new BitmapDrawable(newBitmap); holder.imageView.setImageDrawable(bmd); holder.imageView.setScaleType(ScaleType.CENTER); } catch(Exception e){ } } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return convertView; } class ViewHolder{ TextView firstLine; TextView secondLine; ImageView imageView; //CheckBox checkbox; } The stack trace 12-12 22:55:25.022: ERROR/AndroidRuntime(11069): Uncaught handler: thread main exiting due to uncaught exception 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): android.view.InflateException: Binary XML file line #6: Error inflating class java.lang.reflect.Constructor 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.createView(LayoutInflater.java:512) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:562) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.rInflate(LayoutInflater.java:617) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.inflate(LayoutInflater.java:407) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.inflate(LayoutInflater.java:320) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.inflate(LayoutInflater.java:276) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.eventur.MainActivity$EfficientAdapter.getView(MainActivity.java:566) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.AbsListView.obtainView(AbsListView.java:1274) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.makeAndAddView(ListView.java:1661) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.fillDown(ListView.java:610) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.fillFromTop(ListView.java:673) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.layoutChildren(ListView.java:1519) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.AbsListView.onLayout(AbsListView.java:1113) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.ViewRoot.performTraversals(ViewRoot.java:950) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.ViewRoot.handleMessage(ViewRoot.java:1529) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.os.Handler.dispatchMessage(Handler.java:99) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.os.Looper.loop(Looper.java:123) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.app.ActivityThread.main(ActivityThread.java:3977) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Method.invokeNative(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Method.invoke(Method.java:521) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at dalvik.system.NativeStart.main(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): Caused by: java.lang.reflect.InvocationTargetException 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ImageView.<init>(ImageView.java:128) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Constructor.constructNative(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Constructor.newInstance(Constructor.java:446) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.createView(LayoutInflater.java:499) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): ... 42 more 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): Caused by: android.content.res.Resources$NotFoundException: File res/drawable/divider_horizontal_dark.9.png from drawable resource ID #0x7f020001 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.Resources.loadDrawable(Resources.java:1643) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.TypedArray.getDrawable(TypedArray.java:548) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ImageView.<init>(ImageView.java:138) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): ... 46 more 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): Caused by: java.io.FileNotFoundException: res/drawable/divider_horizontal_dark.9.png 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.AssetManager.openNonAssetNative(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.AssetManager.openNonAsset(AssetManager.java:417) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.Resources.loadDrawable(Resources.java:1636) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): ... 48 more

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