material-components / material-components/material-components-android
[Search Bar] hiding navigation icon crashing application
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Description
**Description:**
I am using material = "1.11.0" and when I set app:hideNavigationIcon="true" it crashes the application
Stacktrace
`java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.drawable.Drawable$ConstantState
android.graphics.drawable.Drawable.getConstantState()' on a null object reference
at com.google.android.material.internal.FadeThroughDrawable.(FadeThroughDrawable.java:46)
at com.google.android.material.search.SearchView.updateNavigationIconIfNeeded(SearchView.java:469)
at com.google.android.material.search.SearchView.setupWithSearchBar(SearchView.java:565)
at com.signinghub.nd.ui.fragments.locale.LocaleSearchFragment.setupUI(LocaleSearchFragment.kt:65)
at com.signinghub.nd.ui.fragments.locale.LocaleSearchFragment.onViewCreated(LocaleSearchFragment.kt:46)
at androidx.fragment.app.Fragment.performViewCreated(Fragment.java:3147)
at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:588)
at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:272)
at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:1943)
at
androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:1845)
at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:1782)
at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:565)
at android.os.Handler.handleCallback(Handler.java:942)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:226)
at android.os.Looper.loop(Looper.java:313)
at android.app.ActivityThread.main(ActivityThread.java:8762)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:604)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1067)`
**Expected behavior:**
The app should not crash and icon should hide.
**Source code:**
`
`
**Android API version:** Android 13
**Material Library version:** material = "1.11.0"
**Device:** Samsung devices, and i believe it will crash on other devices as well
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
Reproduce the crash with a SearchBar using app:hideNavigationIcon="true", then inspect SearchView.java at updateNavigationIconIfNeeded and setupWithSearchBar alongside FadeThroughDrawable.java line 46. Done means the application no longer crashes and the navigation icon remains hidden.
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
- 45/100