TeamAmaze / TeamAmaze/AmazeFileManager
NPE on SearchAsyncTask: null MainFragment
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- Kotlin
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Description
Issue explanation (write below this line)
Exception
- User Action: UI Error
- Request: Application crash
- Version: 3.5.3
- OS: Linux Android 9 - 28
- Device: HWFIG-H
- Model: FIG-LA1
- Product: FIG-LA1
Crash log
java.lang.NullPointerException: Attempt to invoke virtual method 'void
com.amaze.filemanager.ui.fragments.MainFragment.onSearchCompleted(java.lang.String)'
on a null object reference
at
com.amaze.filemanager.ui.activities.MainActivity.onPostExecute(MainActivity.java:1855)
at
com.amaze.filemanager.asynchronous.asynctasks.SearchAsyncTask.onPostExecute(SearchAsyncTask.java:94)
at
com.amaze.filemanager.asynchronous.asynctasks.SearchAsyncTask.onPostExecute(SearchAsyncTask.java:35)
at android.os.AsyncTask.finish(AsyncTask.java:696)
at android.os.AsyncTask.access$600(AsyncTask.java:180)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:713)
at android.os.Handler.dispatchMessage(Handler.java:112)
at android.os.Looper.loop(Looper.java:216)
at android.app.ActivityThread.main(ActivityThread.java:7625)
at java.lang.reflect.Method.invoke(Native Method)
at
com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at MainActivity.java:1855 and SearchAsyncTask.java:94, tracing how task completion reaches MainFragment.onSearchCompleted(String). Reproduce the Android 9 search flow if possible and confirm the reported crash no longer occurs while search completion still works.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, java
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100