All Questions
Tagged with fatal-error nullpointerexception
30
questions
0
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31
views
HI im new to android studio im able to build my app successfully but it crashes in emulater
when i build my app the following task output :
Task :app:compileDebugJavaWithJavac
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: ...
1
vote
0
answers
344
views
Exception in plugin Android
I got this fatal error , when I was trying to import opencv module to my project.
Even Gradle sync is finished successfully,
I have also tried invalidate cache and restart but it does not solved ...
0
votes
0
answers
227
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FATAL EXCEPTION, happening in signed APK (Application closes after opening, works in debug mode)
The app is works very well in debug mode. But in signed apk and after uploading in playstore, the app is closed automatically.
I have tried:
Rebuild
Clean
Invalidate and restart
Added proguard of ...
- 115
1
vote
0
answers
492
views
IWindowSession.java NullPointerException: Attempt to read from field 'int android.content.pm.ApplicationInfo.flags' on a null object reference
Fatal Exception: java.lang.NullPointerException: Attempt to read from field 'int android.content.pm.ApplicationInfo.flags' on a null object reference
at android.os.Parcel.createException(Parcel.java:...
- 131
-5
votes
2
answers
487
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Fatal Exception: java.lang.NullPointerException error occured randomly while using application [duplicate]
Sometime application having crash issue and my crash log show me Error like this :
Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'int android.support.v4.util....
- 2,882
1
vote
1
answer
8k
views
NullPointerException: Attempt to invoke virtual method enableForegroundDispatch(...) on a null object reference
I'm developing a sample Android app that has two activities
A log in page
An activity that writes NDEF message to an NFC tag.
Upon tapping the log in button, I get the NullPointerException. Here is ...
- 4,082
0
votes
1
answer
471
views
Implementing Marquee HorizontalScrollView: FATAL EXCEPTION: main Unable to start activity java.lang.NullPointerException
I'm attempting to implement a Marquee HorizontalScrollView however I'm getting an error message stating FATAL EXCEPTION: main Unable to start activity java.lang.NullPointerException at line 55:
s....
0
votes
2
answers
135
views
fatal error using android shared preference
I am working on my first android project and I am using android studio. The project was running fine on my test device and then I chose to clean project and now the app won't run, the exception that ...
- 1,988
-1
votes
1
answer
81
views
NullPointerException / NPE Caused by addTextChangedListener
I'm attempting to set a listener to detect if the text in my mAttendeesList has changed using the following:
EditEventView.mAttendeesList.addTextChangedListener(mViewListener);
However ...
0
votes
1
answer
120
views
Android / Java - MultiAutoCompleteTextView returns null - Causes FATAL NullPointerException
I have a Calendar within my Android app which implements MultiAutoCompleteTextView:
MultiAutoCompleteTextView mAttendeesList;
...
mAttendeesListView = (LinearLayout) view.findViewById(R.id....
0
votes
2
answers
304
views
Confused about FATAL EXCEPTION:main caused by NullPointerException
I am super confused right now! I am making my first android app and when I just had one activity, I had no errors. But after I added a second activity I get a FATAL EXCEPTION:main.
Here is my ...
0
votes
1
answer
3k
views
Android, threadid=1: thread exiting with uncaught exception (group=0xa4db4b20)
I am writing simple code for playing a mp3 on android using android.media.MediaPlayer but I am getting this error
thread exiting with uncaught exception (group=0xa4db4b20) and NPE
This is my ...
- 356
2
votes
1
answer
2k
views
Turn a fatal crash into a non-fatal crashlytics report
The code in question:
final GenericAsyncTask task = new GenericAsyncTask();
task.background = new Runnable() {
public void run() {
HttpClient httpclient = new ...
- 32.1k
2
votes
0
answers
76
views
Unexplained json .has("key") fatal exception, from one day to another
This weekend something strange happened on my app.
Before Thursday I had been using this instruction without problems:
if(!jsonL2.has("counters"))
By Sunday, the app was suffering a fatal exception ...
- 6,333
0
votes
2
answers
2k
views
Unable to start activity ComponentInfo{…}: java.lang.NullPointerException
I got this problem Unable to start activity ComponentInfo{…}: java.lang.NullPointerException but i don't know where.
I'm a beginner in androïd and i can't get out of this error..
Logcat:
05-29 02:37:...
