material-components / material-components/material-components-android

[Search Bar] hiding navigation icon crashing application

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bug Widget: Search
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Java
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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

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

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

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