AppCompatActivity crashes when setting window background to vector drawable with gradient tag in API 23 [352469446]

Assigned

Bug

Status Update

No update yet.

Description

ch...@google.com

created issue #1

Jul 11, 2024 07:43AM

Component used: AppCompatActivity
Version used: 1.7.0
Devices/Android versions reproduced on: API 23 (Emulator)

If we set the window background of the theme of an AppCompatActivity to a vector drawable with gradient tag (which is supported officially API 24+) in the XML file, the activity would crash during onCreate().

We assume that AppCompat use VectorDrawableCompat, etc. for bug fixes and feature backports.

Below are the error logs:

 E  FATAL EXCEPTION: main (Ask Gemini)
    Process: com.example.myapplicationnew, PID: 5620
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.myapplicationnew/com.example.myapplicationnew.MainActivity}: android.content.res.Resources$NotFoundException: Resource ID #0x7f07005f
    	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
    	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
    	at android.app.ActivityThread.-wrap11(ActivityThread.java)
    	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
    	at android.os.Handler.dispatchMessage(Handler.java:102)
    	at android.os.Looper.loop(Looper.java:148)
    	at android.app.ActivityThread.main(ActivityThread.java:5417)
    	at java.lang.reflect.Method.invoke(Native Method)
    	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
    Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x7f07005f
    	at android.content.res.Resources.getValue(Resources.java:1351)
    	at androidx.appcompat.widget.ResourceManagerInternal.loadDrawableFromDelegates(ResourceManagerInternal.java:253)
    	at androidx.appcompat.widget.ResourceManagerInternal.getDrawable(ResourceManagerInternal.java:142)
    	at androidx.appcompat.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:475)
    	at androidx.appcompat.widget.TintTypedArray.getDrawableIfKnown(TintTypedArray.java:93)
    	at androidx.appcompat.app.AppCompatDelegateImpl.attachToWindow(AppCompatDelegateImpl.java:848)
    	at androidx.appcompat.app.AppCompatDelegateImpl.ensureWindow(AppCompatDelegateImpl.java:824)
    	at androidx.appcompat.app.AppCompatDelegateImpl.onCreate(AppCompatDelegateImpl.java:531)
    	at androidx.appcompat.app.AppCompatActivity$2.onContextAvailable(AppCompatActivity.java:133)
    	at androidx.activity.contextaware.ContextAwareHelper.dispatchOnContextAvailable(ContextAwareHelper.kt:84)
    	at androidx.activity.ComponentActivity.onCreate(ComponentActivity.kt:331)
    	at androidx.fragment.app.FragmentActivity.onCreate(FragmentActivity.java:217)
    	at com.example.myapplicationnew.MainActivity.onCreate(MainActivity.kt:10)
    	at android.app.Activity.performCreate(Activity.java:6237)
    	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
    	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
    	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
    	at android.app.ActivityThread.-wrap11(ActivityThread.java) 
    	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
    	at android.os.Handler.dispatchMessage(Handler.java:102) 
    	at android.os.Looper.loop(Looper.java:148) 
    	at android.app.ActivityThread.main(ActivityThread.java:5417) 
    	at java.lang.reflect.Method.invoke(Native Method) 
    	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
    	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

Possible causes:

androidx.appcompat.app.AppCompatDelegateImpl.attachToWindow() appears to get the drawable of window background by means of androidx.appcompat.widget.TintTypedArray.getDrawableIfKnown(). This method, in turn, depends on android.content.res.AssetManager.getResourceValue(), which calls the native function android.content.res.AssetManager.loadResourceValue(). The return value of the native function was casted from ssize_t to jint, but getResourceValue() got a negative integer. As a result, android.content.res.Resources.getValue() threw a NotFoundException.

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