This is the code for my custom provider, mostly copied from the SDK notepad project i cant understand why am i getting nullPointException, why doesnt the provider instance get created?
CODE:............
LogCat
CODE:..........................
View 1 Replies
I have noticed in my application(s) that after a call to Activity.finish() that the static variables that I declared in my classes still hold the values that they were changed to during the activity's life cycle. Upon the re-launch of the activity, the program does not re-instantiate the variables as declared or set them to the default java behavior. Is there something that I can do to cause this to happen, other than re-setting every static variable in my application?
View 3 Replies View RelatedThis does not refer to anywhere in my code at all.
How do I go about getting to the bottom of it?
CODE:..........................
Here is the draw method of the ItemizedOverlay
CODE:..........................
I now print out the stacktrace and no difference!
I am (supposedly) catching NullPointerException and returning 0 if that happens. But occasionally I get NullPointerException failure anyway. Is catching it this way no enough to prevent this failure?
private char getCharBehindCursor (int offset){ // get a single char behind cursor + offsett CharSequence cSeq; InputConnection inputConnection = getCurrentInputConnection(); if (inputConnection != null){ try { cSeq = inputConnection.getTextBeforeCursor (offset + 1, 0); } catch (NullPointerException npe) { /* failure*/ return (char)0; }
if (cSeq.length() == offset+1){ return cSeq.charAt(0); } } return (char)0;
i get NullPointerException at the start of the for where am i going wrong?
public void checkzone(Location loc)
{
X = new List<float[]>() {
};
Y = new List<float[]>() {
};
X.clear();
Y.clear();
float x = (float) loc.getLatitude();
float y = (float) loc.getLongitude();
float A1X[] = {(float) 41.992853, (float) 41.994815, (float) 41.995158, (float) 41.993065};//DOMA..........................
I'm using a lazy image loader for my ListView with the following code inside getView():
CODE:.........
And the following inside the AsyncImageLoader class:
CODE:........
For an unknown reason to me, after to switched from using the common SQLiteOpenHelper to a custom one which allows me to store my database on the SD card, every 6th or 7th image that is loaded throws a NullPointer at:
imageCallback.imageLoaded((Bitmap) message.obj, wallpaperNumber);
I've checked everything and don't actually know what variable is actually null.
I am trying to save the date of file parsing, so that when next time user, opens the application, the date can be checked against the last parsing date. I am using shared preference to save the data and retrieve it, but getting error. here is the code:
SharedPreferences settings = getPreferences(0);
String today = new Date(System.currentTimeMillis()).toString();
SharedPreferences.Editor edit = settings.edit();
System.out.println("******** Today : " + today);
edit.putString("lastdate", today);
String fetch = settings.getString("lastdate", "0");
System.out.println("******** Fetch : " + fetch);
txtTest.setText(fetch);
but I am getting null pointer error. am I missing something?
I'm trying to use NinePatchDrawables in a LayerDrawable, but for some reason I get a NullPointerException. I've isolated the problem to the getPadding() method; the following code reproduces the problem:
CODE:...............
What am I missing? Do I have to do anything special with the NinePatch? The program seems to work if I use the NinePatch directly (instead of putting it in a LayerDrawable).
I'm trying to change the content of a row in ListView programmatically. In one row there are 3 TextView and a ProgressBar. I want to animate the ProgressBar if the 'result' column of the current row is zero.
After reading some tutorials and docs, I came to the conclusion that LayoutInflater has to be used and getView() - overriden. Maybe I am wrong on this. code...
I am trying to create a list view which as TextView that can display html content , an WebView and other basic TextViews.I tried to extend SimpleAdapter but i struck with the problem ,I will be glad if someone can point out the mistake i am doing.
In onCreate method:
CODE:.............
And my row.xml file looks like:
CODE:.............
The error i was getting was:
CODE:..................................
I created a custom SurfaceView called CaptureView and tried to add it into main.xml file.The application seems to work fine but if I switch from main.xml tab to Layout in Eclipse the text NullPointerException appears instead of layout preview.Does anyone know how this issue could be solved?
View 2 Replies View RelatedI am using Eclipse 3.6.0, when I try to edit the strings.xml the Eclipse show me NullPointerException.
Any solution or advice how to handle this?
I have looked and looked, and cant seem to get to the bottom of this.
I am getting the error: "java.lang.NullPointerException"
whenever I try to change anything at all within "strings.xml" when using eclipse, does anyone know of a reason behind this? I havnt changed anything else in the project at all, I'm just going straight into strings to try editting a few things.
it has taken more than i expected to get the dev environment up and running - mostly a PATH issue which was solved using: http://groups.google.com/group/android-developers/browse_thread/threa...
My emulator now works (and i can run it and get the default android screen) however when i try to run the hello world sample code i get this error message:
An internal error occurred during: "Launching HelloAndroid". java.lang.NullPointerException
I'm getting this crazy error on multiple projects, even when I revert back to prior versions that compiled just fine. Unknown Error - java.lang.NullPointerException Android Packaging Problem Path is blank Location is Unknown. 1 - Project -> Clean -> All 2 - Deleting .metadata folder 3 - reimporting projects into the eclipse 4 - reverting my projects back to prior working versions using git. I just can't get anything to compile now, and I've searched for solutions here and on eclipse forums.
View 3 Replies View RelatedI have one Activity, that starts one Service and my service will lunch one Activity, i wanna to stop the Activity which one started my my Service after few seconds. Is there any way to achieve. Has anyone experienced this type of scenario.
View 2 Replies View RelatedI have a Service Receiver and a phone state listener class to determine the status of the phone. When the state is "CALL_STATE_RINGING", I call upon the method stopAllPlayback() in my main Activity. It is at this point that users report "Forced Close" messages. Can you help me determine where the problem might be? I'm new to Java so I'm not 100% sure how to troubleshoot based on a stack trace.
Here's the stack trace:...............
Thread [<1> main] (Suspended (exception NullPointerException)) ArrayAdapter.createViewFromResource(int, View, ViewGroup, int) line: 355 ArrayAdapter.getView(int, View, ViewGroup) line: 323 ListView(AbsListView).obtainView(int, boolean[]) line: 1294 ListView.measureHeightOfChildren(int, int, int, int, int) line: 1198 My symptomremedyActivity.java looks like:................
View 2 Replies View RelatedIm trying to display this listview, but I keep getting a: 07-17 21:14:22.233: ERROR/AndroidRuntime(349): java.lang.NullPointerException
I think I know what the problem is but I dont know how to fix it.
I have a String array which I will be using to be displayed in my list
CODE:.....
Dont worry the parser works great. the only problem I see with it is that the parser doesnt know how many strings the website will have so I am setting the String array in the parser to be very big: String substr[] = new String[250];
But I know that mostly there are only like 11 to 13 values that I will be storing in that array, the problem I think is when i do this:
CODE:..............
Since the String array is set to have up to 250 values in it and I only actually store say 12 then there are a null entries so when I run the code it shows me my list view, but when I get to the bottom of the view it force closes and the log tells me that there was nullpointer. I can tell how many entries I collected while I am parsing, but how do I tell my listview to only show say 12 items in the list so there wont be any null entries. or is there any other solution for my problem.
I tried doing what you said, but now I am getting a:
CODE:......
This is what I did:
CODE:.................
i am getting this error java.lang.NullPointerException at android.content.ContextWrapper.getPackageManager when am trying to get list of all installed applications on the device. Well let me explain what my program is doing. I have a server that starts when my application is started, and the client pings the server and asks to get a list of installed applications. The Server then asks the getPackageManager() and gets all the installed applications. But the getPackageManager returns the nullpointerexception. The Server is written in a java environment and is started from my android application. Could someone please tell me what am missing and why i am getting this error? hanks alot!!!Please find the code...
View 1 Replies View RelatedI am getting a nullpointerexception. Only thing is, it doesn't appear to be there at all devices, so is rather strange to me.. an idea is that it would be Bitmap, but since I declare it myself I guess this is not correct? Since it is not happening on my own device I just have to be sure...
[HIGH]Bitmap bm = BitmapFactory.decodeResource(C.getResources(), resId);
Bitmap result = mark(bm);
public static Bitmap mark(Bitmap src) {
int w = src.getWidth();
// int w = 150;
[code]...
We are developing a ContentProvider which is supposed to serve for specified packages. So we want to get the caller package name. Is there any way to achieve that?
View 2 Replies View RelatedI currently register a content observer on the following URI "content://sms/" to listen out for incoming and outgoing messages being sent.
This seems to work ok and I have also tried deleting from the sms database but I can only delete an entire thread from the following URI "content://sms/conversations/"
Here is the code I use for that
CODE:............
However I want to be able to get the recipricant and the message text from the SMS Content Provider, can anyone tell me how to do this?
And also how to delete one message instead of an entire thread?
I have a ContentProvider which is declared in the Manifest, when is it really created ? When the application is launched but before launching the first activity ? When the first query/update/insert is done ? When ?
View 1 Replies View RelatedI want to add an extra field to the phonebook on android. The field contains a new contact method and when clicked it should start my own application/intent. I have created my own content provider that stores the information. I want to add this contentProvider to the phonebook in the same way organizations and email are added to the phone book. So how do i do this? I tried adding a new contact method but the field KIND needs an integer input which seems to be predefined to some specific methods (EMAIL, IM, ADDRESS etc)
So do i need to add a new type of KIND or can I link my contentProvider to the phone book so that it shows up as an extra field in the phone book?
All the example codes, tutorials or video I see, there is always one ContentProvider per SQL Table with the SQLiteOpenHelper extension defined as a private static class... Is it some sort of standard design...to have one ContentProvider per SQL Table? Or I can define one generic ContentProvider and use its instance for ever update? Is there some issue with that? Could anyone please help as my application has like 5-6 tables.
View 12 Replies View RelatedMaybe it's an easy question, but I've tried to understand why all the content providers seem not to close the DB that they use. In the NotePadProvider example (in other providers is similar), it's used a Helper to manage the DB (that extends of SQLiteOpenHelper).
This helper has a method to close the DB (http://developer.android.com/ reference/android/database/sqlite/SQLiteOpenHelper.html#close%28%29), but in all the providers that I have seen (even in the example), this method is never used.
For example, in the query method of the NotPadProvider we use the helper to open a DB
CODE:...........
The mOpenHelper is create in the "onCreate()" method, but there is no reference to a mOpenHelper.close() in all the provider (maybe because there is no "close()" method in ContentProvider).
Do we need to close the SQLiteOpenHelper object? When we use it inside a ContentProvider, where is the right place to close it?
I have a custom class, which represents my data-structure. This custom class is in a normal Java-library, which is included in both projects. I have one Project with a ContentProvider which provides this data to Activities of other Projects. And an other Project with an Activity, where I want to handle this data in objects of this custom class.
How can I get this data to the Activity? The Cursor [1] only supports primitive Types.
[1] http://developer.android.com/reference/android/database/Cursor.html
How can I test if there's a ContentProvider for a Uri ?
I'm currently doing a query on it and checking for a null cursor, but that generates an error in the system log each time, which I don't like to do.
I have an AutoCompleteTextView working with a ContentProvider that correctly pulls known information from a database when the user is typing and presents it. However, I would also like to support the automatic hints/word choice list you get when using apps like the Messaging app. I haven't figured out how to get that thin bar of word choices to appear. Can some one clue me in on how to use that in combination with my existing ContentProvider?
View 2 Replies View Related