Android :: SSLContext.getInstance - SSL - Throws Java.security.NosuchAlgorithmException - SSLContext SSL Implementation Not Found

Nov 1, 2010

i want to implement a client for https, all in my localhost (in my apache, it is configured to ask authentication), with a resource " https://localhost:443/resources/resource1.xml" the server works fine.

I have a client for desktop, and it works fine, the resources are consumed using httpcomponents-client-4.0.3), i have readed that Android uses that version.

This is the code of my client in Android (practically is the same of desktop mapped to android) ,

in the line of SSLContext sc = SSLContext.getInstance("TSL"); the next exception is thrown :

java.security.NosuchAlgorithmException: SSLContext SSL implementation not found

I have tried with TSL and the exception continue.

Import java.io.IOException;

CODE:..................

Android :: SSLContext.getInstance - SSL - throws java.security.NosuchAlgorithmException - SSLContext SSL implementation not found


Android :: Android Https / SSLContext SSL Implementation Not Found

Dec 1, 2009

SSLContext context = SSLContext.getInstance("SSL"); The above line results in the exception: java.security.NoSuchAlgorithmException: SSLContext SSL implementation not found, I'm using Android 2.0 SDK and when specifying TLS, it is accepted. How come I get the exception? Doesn't Android support SSL?

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Android :: KeyStore JKS Implementation Not Found

Dec 5, 2009

I am trying to create certificates for users for my program. I am have created a keystore and included the publickeystore.store with my application in the assets folder. I created all the certificates using the keytool program from JAVA. When I try to authenticate the certificate I get the following error: 12-05 17:32:49.962: ERROR/AndroidRuntime(891): Caused by: java.security.KeyStoreException: KeyStore JKS implementation not found

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Android :: How To Handle Throws Clause In Java Exception Handling

Sep 4, 2010

I have class A in which I have a method openfileConnec().

It was written like the below:

CODE:...............

Now I come to class B where I will call this method like the below:

CODE:.............

I was asked a question in an interview as follows:

Why does the method have a throws Exception in its declaration? Is it that on of the methods called in the implementation throws the base class exception? Also If we get a exception during calling the method (fileConnect( )) control goes to catch block. After executing catch where should the control go, what should be sent to base case?

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Android :: Java.net.HttpURLConnection Throws - Received Authentication Challenge Is Null

Aug 31, 2009

I am using HttpURLConnection to send a GET request to a server. Upon reading the response code, the Android implementation of HttpURLConnection.doRequestInternal() throws an exception:

"java.io.IOException: Received authentication challenge is null"

I don't even get what the error is trying to tell me. I write an OAuth param string to the Authorization header, but this works fine on other occasions. There is nothing peculiar about my request apart from that.

Any idea what this means, what is causing this and how to get around it? This works fine with Sun's Java implementation, so I guess it's a problem with Apache Harmony?

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Android :: No Element Found. And It Won't Generate R.java Because Of It.

Nov 20, 2010

I am getting a parsing error and I do not know why (I am new to programing). Because of this error, R.java disappears and I end up having more errors. Hopefully someone can help me out. Here is where the error comes from: list.xml. Code...

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General :: Android SDK / W7 - Java Not Found Error

Jul 30, 2012

Today I've bought new laptop, windows 7. on my old windows xp android sdk was working 100%.

Every time i start the setup i get this error: [see attachment]

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General :: Android SDK Setup - Java Is Not Found?

Aug 21, 2010

I have downloaded and installed every necessary component in order to start working with Android. The issue I am having is that in Command Prompt, anything I type in related to the Android SDK (for example: adb, or even just android) comes back with "Java was not found in your path". Now, I have changed all my PATH variables under "User" to the EXACT locations of where these folders are, but no dice. It keeps telling me to go and edit my PATH variables. Even running SDK Setup, gives me the same error, and tells me to add where Java was found (even though I have!).

I am starting to get really fed up with this, because Eclipse can't find the "jre" folder inside the Java JDK, either (that is, of course, until I copy the entire jre folder inside of the eclipse folder, or put eclipse inside of the JDK folder)...

I just know it shouldn't have to be this tedious to set everything up.

I am running Java JDK 1.6.0_21 (x64), Eclipse Helios (3.6) IDE for Java EE Dev., Android SDK Revision 6, all on Windows 7 Ultimate x64.

Something to note: I have not encountered any problems with Eclipse Helios and the ADT plugin as stated on the Android Developers website. I can use Eclipse and the SDK to create and run the"Hello, Android!" application on the emulators without issues. I just want to be able to run everything from the command prompt, too. Now, if I can only get my phone to be recognized after I get this resolved.

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Android :: Facebook SDK - Java.lang.NoClass Definition Found

Jul 9, 2010

I am using official android facebook SDK (downloaded from here: http://github.com/facebook/facebook-android-sdk). When the program reaches the line Facebook facebook = new Facebook(); i get "java.lang.NoClassDefFoundError: com.facebook.android.Facebook". I created a facebook project from sources downloaded and in my project I added the facebook project in buildpath (in Eclipse right click on my project -> Properties -> Java build path -> Projects -> add projects -> I choosed the facebook project). The project builds ok, I have no errors.

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Android :: IsUserAMonkey Throws Exception

Oct 17, 2010

CODE:......................

I get the following exception when trying to use the isUserAMonkey API on a keydown. mAM = (android.app.ActivityManager)getSystemService(Context.ACTIVITY_SERVICE); if (mAM.isUserAMonkey()) {return true;} Any reason why this may be happening?

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Android :: Why Keep Throws Rescources.NotFoundException

Nov 18, 2009

In the following code, these lines:

CODE:.........

The app keep throws the Rescources.NotFoundException. I checked the xml file, all the ids are defined and they are all in the R.java. So I really don't know why the app throw this exception.

CODE:.......................

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Android :: SlidingDrawer Throws RuntimeException In OnMeasure / Set It Up?

Apr 30, 2009

I would like to do some tests on SlidingDrawer however i always found RuntimeException when SlidingDrawer.onMeasure is called i check the code and think the exception is caused by unspecified MeasureSpec

so i would like to ask how to setup the MeasureSpec in SlidingDrawer?

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Android :: ProgressDialog In AsyncTask Throws An Exception

Jun 25, 2010

I'm trying to make a simple ProgressDialog appear while my AsyncTask is fetching data. In my onPreExecute() method I have this: pd = ProgressDialog.show(c, "Loading...", "Please wait");

c is the context passed into the constructor of my AsyncTask from this.getApplicationContext(). Unfortunately, I keep getting an exception with this message: Unable to add window -- Token null is not for an application

What am I doing wrong?

Using this instead of this.getApplicationContext() has revealed another problem. When I call ProgressDialog.show(..., a ProgressDialog is displayed, but not until after the AsyncTask has completed. In other words, the data loads and then the dialog is displayed. If I include pd.dismiss() in my onPostExecute() then I never even see the dialog (presumable because it is closed before it ever gets opened).

It turns out that fetch.get() was hogging the UI thread and not letting the ProgressDialog display.

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Android :: Calling NotifyDataSetChanged() Throws Exception

Oct 7, 2010

I have a ListView that I'm binding to an adapter. The adapter is a protected member of my main class. I have a listener thread that receives data and updates the source list for my adapter. When I call the adapter's notifyDataSetChanged() method, an exception is thrown:

Runtime Exception: PhoneLayoutInflater(LayoutInflater).inflate(int, ViewGroup, boolean) line: 322

I've read that the notifyDataSetChanged() method has to be called on the UI thread, and I'm doing that. In fact, just to be sure, I even update the ListView's data source on the UI thread. All I do in my listener thread is update a protected member that houses the data. Here's an example of what I'm doing (note that I don't have the part of the code that calls the AsyncTask, but it's fired from a listener):

CODE:............

Does anyone have any pointers or ideas as to why I'm getting this exception? Any help is much appreciated.

Here are the layout files, as requested:

main.xml:

CODE:....................

row.xml:

CODE:...............................

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Android :: GeoCoder.getFromLocationName Throws IO Exeption In Froyo

Aug 26, 2010

I have recently noticed that when Running the function geoCoder.getFromLocationName() on android 2.2 (Froyo) then i Receive a IOExeption (Which does not occur on other SDK versions).

After some reserch i have found suggentions to add the following Permisions:

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

However this does not solve the problem, and this appears to be a Android SDK Bug.
Is there a knows solution to this problem?

Here is the stack trace though it is not particularly helpful the inner stack trace is null so not great.

CODE:.......................

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Android :: ADT Calling Code That Doc Specifies Throws An UnsupportedOperationException?

Jul 1, 2010

My XML layout in res/layout/edit.xml: Code...
When I try to switch from "edit.xml" to "Layout", I see this error: java.lang.UnsupportedOperationException: addView(View, LayoutParams) is notsupported in AdapterView I checked the documentation for AdapterView, and this is expected behavior. Why, then, does ADT expect it to work?

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Android :: PreferenceScreen - Intent - Element Throws Exception

Sep 17, 2010

I've got a probleme with an exception, but I don't know why I get this exception.

The project is about implementing an AbstractAccountAuthenticator with an AbstractThreadedSyncAdapter to sync certain data on a server with a content provider.

I made everything and both adding accounts and syncing is running without any problems.

Now I've tried to add a Preference-Screen just like suggested in the android reference (search for AbstractAccountAuthenticator, it is explained there) via xml like this:

autenticator.xml:

CODE:..........

The Preference-Screen-xml looks like this:

CODE:.....................

The screen is promted how it should be, but and that is the problem: When I click on the PreferenceScreen with the intent it leads to a crash of the system (both in the emulator and my HTC-Desire).

Logcat says:

CODE:..............

Here the part of the manifest, where the activity is defined:

CODE:.......

The whole test-code (it is my project on the essentials to find the problem) is to find at googlecode (http://code.google.com/p/ cleanproject/source/browse/) (Eclipse-Project)

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Android :: Application Throws Exception When Rotate Device

Jul 11, 2010

I have developed simple application of progress bar in that when I hit the button then it will do some work in background and one progress bar is visible on foreground. afte completing back ground work it display the same screen. It works fine if I don't rotate mobile but when I rotate mobile then it throws java.lang.IllegalArgumentException: View not attached to window manager

I know when we rotate the device or open keypad it starts activity restarted. But How to avoid this error. My code is.

CODE:..........................

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Android :: Starting Service From Other Apk - Throws NoClassDefFoundError Exception

Jul 31, 2010

I have two projects in Eclipse: service and UI client.

In onCreate in UI client I have:startService(new Intent(this, ExampleService.class));

But this fragment: ExampleService.class throws NoClassDefFoundError exception at runtime. I have installed ExampleService.apk, and ExampleUiClient.apk. Project compiles, and everything looks fine. What I am doing wrong?

Is it possible to start service from other apk?

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Android :: Database Reading Problem Throws Exception

Mar 30, 2010

I am having this problem with the android database. I adopted the DBAdapter file the NotepadAdv3 example from the google android page.

CODE:...........

The error that i am receiving is from Log.e(TAG, e.toString()) in the methods retrieveKey() and storeKey() "no such table: myuserkey: , while compiling: SELECT userkey FROM myuserkey"

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Android :: Implementation Of Mediaplayer

Feb 22, 2009

I have run mediaplayer in SDK which can play media in res/raw folder successfully on emulator , but now I wanted to run it on my hardware which have already successfully implemented the android kernal and file system and audio, video drivers etc. I have no experience to implement JAVA app . I once implemented mplayer app written in C to my linux OS which only need to copy the final executable file , but now I don't know which files or folder should I copy to my platform because I have no basic knowledge of Java although I have run successfully on my emulator.

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Android :: LenientPolicy Implementation Of LVL?

Jul 28, 2010

I've been playing around with the new LVL announced yesterday and wanted to write a policy which only stops the user when it is certain that he does not have a license. In other words, the policy will only "dontAllow" the user if the last meaningful response from the licensing service was NOT_LICENSED. Therefore, if the user is offline when they first use the app, then they will be allowed in. The idea behind this is that I don't want genuine paying users to ever (within reason) be inconvenienced by this licensing system. The downside is that all the user needs to do is clear the app data and go offline before restarting the app. The app will continue working until they go online (and restart the app). My thoughts are: 1. Most users won't know about that workaround 2. Those users that are happy to use that workaround, probably wouldn't pay for the app anyway.

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Android :: Implementation Of OnClickListener

Jun 2, 2010

Create an anonymous implementation of OnClickListener

private OnClickListener mCorkyListener = new OnClickListener() {
public void onClick(View v) {
// do something when the button is clicked}};

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Android :: Why Httpclient.execute - Httppost - A­lways Throws IOException

Dec 10, 2009

Is there someone troubled the same issue.

The code in run.

CODE:.............

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Android :: Handler From A Runnable Throws Null Pointer Exception

Sep 20, 2010

I have a Thread that downloads data from internet

CODE:..........................

There is an activity that needs to be updated according to downloaded data.

CODE:............................

Whenever I run above code I get NullPointer Exception .Please help me to update the view.

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Android :: Calling Intent.getStringExtra() Throws StackOverflowError Periodically

Jan 25, 2010

I have an android application that I am supporting and after calling one of the activities numerous time, it throws a stackoverflowerror when trying to get the extras from the intent. Here is the the stack trace from when it crashes. Any ideas as to why after calling the activity at least 4 times the next time throws StackOverflowError when getting the extras from the intent?

The code used to build the intent is and contains String, String, boolean, Object:

CODE:....................

And the code that is throwing the StackOverflowError is:
CODE:.........................

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Android : Starting A New Activity Throws Me Into Debug Mode - Stops App

Jul 22, 2010

I have a listview. Whenever I strike an item of listview the debugger gets opened instead of starting a new activity (i.e. what I want). Code...

P.S. all the xml files are correct.

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Android :: Potential - Bug In The Implementation Of AppWidgets

Nov 10, 2009

We have discovered a potential bug in the implementation of AppWidgets. Here is a simple reproducer.

Attached is the code for an application containing a TestActivity and a TestWidget. TestActivity extends MapActivity and TestWidget is a simple widget provider which updates a TextView every 2 seconds. Now if the TestActivity is launched with no instance of TestWidget running, it works just fine. But if the TestActivity is launched after placing the TestWidget on the home, it results in ClassNotFoundException. Here is what we get:

CODE:.............

So it seems we have an inconsistency in the way the class loader works for the same apk.

WORKS - Launch the application by itself, without invoking the Widget. DOES NOT WORK - Create a Widget on the Home screen and then launch the application from the launcher.

The source code for this application (http://www.yousendit.com/ download/TzY3ZGVhZy96NE4zZUE9PQ) has been attached. Hope someone from the Android team can shed light on this behavior.

This error is seen on the 1.5r3 SDK. Not sure if this has been addressed in 1.6 and 2.0 SDKs..

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Android :: Query About SlideShow Implementation

Oct 27, 2010

I'm want to implement Dynamic SlideShow of Images similar to Gallery. On Drag, i Should be able to change to next images. I'm looking into Gallary1.java class from APIDemo Example, i think there is no sufficient information in that, so is there any better code example.

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Android :: Implementation Of Picture Gallery

Jul 2, 2009

I am trying to implement picture gallery in my application but it's not scrolling smoothly can someone suggest me what could be the reason or how to do it.how it is implmented i the phone.

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