TeamAmaze / TeamAmaze/AmazeFileManager

`StringIndexOutOfBoundsException` on `HybridFile#getParent`

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From-Email Issue-Bug Issue-Easy (good first issue)
Dominant language
Kotlin
Stars
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Avg merge
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Description

Issue explanation (write below this line)

Exception

  • App Name: Amaze File Manager
  • Package: com.amaze.filemanager
  • Version: 3.6.7
  • User Action: UI Error
  • Request: Application crash
  • OS: Linux Android 12 - 31
  • Device: barbet
  • Model: Pixel 5a
  • Product: barbet
Crash log 

java.lang.StringIndexOutOfBoundsException: String index out of range: -5
at java.lang.String.substring(String.java:2064)
at
com.amaze.filemanager.filesystem.HybridFile.getParent(HybridFile.java:455)
at
com.amaze.filemanager.ui.fragments.MainFragment.goBack(MainFragment.java:1082)
at
com.amaze.filemanager.ui.activities.MainActivity.lambda$onBackPressed$6(MainActivity.java:859)
at
com.amaze.filemanager.ui.activities.-$$Lambda$MainActivity$fKbQXJTjmE3tEXFhvzq2Q8y2c_E.apply(Unknown
Source:2)
at
com.amaze.filemanager.ui.activities.MainActivity.executeWithMainFragment(MainActivity.java:2373)
at
com.amaze.filemanager.ui.activities.MainActivity.executeWithMainFragment(MainActivity.java:2365)
at
com.amaze.filemanager.ui.activities.MainActivity.onBackPressed(MainActivity.java:857)
at android.app.Activity.onKeyUp(Activity.java:3836)
at android.view.KeyEvent.dispatch(KeyEvent.java:2878)
at android.app.Activity.dispatchKeyEvent(Activity.java:4161)
at
androidx.core.app.ComponentActivity.superDispatchKeyEvent(ComponentActivity.java:122)
at
androidx.core.view.KeyEventDispatcher.dispatchKeyEvent(KeyEventDispatcher.java:84)
at
androidx.core.app.ComponentActivity.dispatchKeyEvent(ComponentActivity.java:140)
at
androidx.appcompat.app.AppCompatActivity.dispatchKeyEvent(AppCompatActivity.java:569)
at
androidx.appcompat.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:59)
at
androidx.appcompat.app.AppCompatDelegateImpl$AppCompatWindowCallback.dispatchKeyEvent(AppCompatDelegateImpl.java:3054)
at
androidx.appcompat.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:59)
at
com.android.internal.policy.DecorView.dispatchKeyEvent(DecorView.java:404)
at
android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:6275)
at
android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:6141)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5623)
at
android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5680)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:5646)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:5811)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:5654)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:5868)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5627)
at
android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5680)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:5646)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:5654)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5627)
at
android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5680)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:5646)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:5844)
at
android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:6002)
at
android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:3158)
at
android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:2722)
at
android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:2713)
at
android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:3135)
at
android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:154)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:335)
at android.os.Looper.loopOnce(Looper.java:161)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7838)
at java.lang.reflect.Method.invoke(Native Method)
at
com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at HybridFile.getParent in the reported HybridFile.java line 455 and trace the call from MainFragment.goBack at line 1082 through MainActivity.onBackPressed. Reproduce the reported back-navigation crash on Android 12 if possible. Done means the reported StringIndexOutOfBoundsException no longer occurs during this flow.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, java, kotlin
Domain
mobile
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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