[BUG] Unable to add any widget

[saloniamatteo]

Describe the bug

Any attemp to add any widget results in a LawnChair crash, and no widget added.

Steps to reproduce

Steps to reproduce the behavior:

1. Open "widgets" tab
2. Select any widget
3. Drag and drop it to the home screen
4. Try to add it

Expected behavior

No crash, obviously, and a working widget.

Screenshots

https://github.com/LawnchairLauncher/lawnchair/assets/28765699/c3f92576-6319-4b52-8a35-6d0a3efa5c74

Device information

• Device: Samsung Galaxy A54
• OS: Android 14 (One UI 6)
• App version: 14.0 Dev #774

Additional context

The main culprit seems to be com.android.launcher3.CellLayout.getUnusedHorizontalSpace()

Here is the log:

FATAL EXCEPTION: main
Process: app.lawnchair.debug, PID: 14419
java.lang.NullPointerException: Attempt to invoke virtual method 'int com.android.launcher3.CellLayout.getUnusedHorizontalSpace()' on a null object reference
    at com.android.launcher3.Workspace.getFinalPositionForDropAnimation(Workspace.java:3137)
    at com.android.launcher3.Workspace.animateWidgetDrop(Workspace.java:3164)
    at com.android.launcher3.Launcher.completeTwoStageWidgetDrop(Launcher.java:1086)
    at com.android.launcher3.Launcher$3.run(Launcher.java:999)
    at com.android.launcher3.Workspace.removeExtraEmptyScreenDelayed(Workspace.java:952)
    at com.android.launcher3.Workspace.lambda$removeExtraEmptyScreenDelayed$3(Workspace.java:922)
    at com.android.launcher3.Workspace.$r8$lambda$qJmEWteEMIDxIhPN0xohUE9-Gbo(Unknown Source:0)
    at com.android.launcher3.Workspace$$ExternalSyntheticLambda13.run(D8$$SyntheticClass:0)
    at android.os.Handler.handleCallback(Handler.java:958)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loopOnce(Looper.java:230)
    at android.os.Looper.loop(Looper.java:319)
    at android.app.ActivityThread.main(ActivityThread.java:8893)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:608)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1103)

[Serantek97]

Same issue.

[dunxd]

I am unable to add many widgets but not getting a crash with all of them.

Working

• Contacts > Direct dial
• Contact > Direct message
• WhatsApp > Contact
• Google Maps > Friend location
• Google Photos > Your memories

No crash, No Widget

Adding these brings up the preview then settings but no widget is added

• BBC Weather > Nearby
• Clock (Samsung?)
• Home Assistant > All widgets

The home assistant widgets are the ones that are most disappointing to not be able to add. I use these to turn lights on and off and other things. Show stopper for me.

Samsung Galaxy A53 5G Android 14/One UI 6.0 Lawnchair 14 beta 2

[saloniamatteo]

After trying several widgets, I can narrow the issue to be custom widgets, as in custom theme and/or custom size.

Widgets that have a fixed size (that do not open a customization menu) will work 99% of the time.

Widgets that can be resized, but do not offer styling (e.g. light/dark mode, transparency, etc.) will work as well, most of the time.

Widgets that can be styled and resized, will never work, at least for me.

[dunxd]

I had 6 Home Assistant widgets installed with Lawnchair 2, but adding any more was crashing Lawnchair.

I switched to Lawnchair 14 hoping things were better, but much worse.

[saloniamatteo]

Example 1: fixed size, non-styleable widget

Added without any issue, works properly:

Example 2: styleable widget

Customisation menu. Pressing the "Save" button causes a Lawnchair crash.

[saloniamatteo]

Another example: non-styleable widget, that can be resized:

[dunxd]

Workaround is to set a different launcher as your default. After doing this, open Lawnchair and you can add the widget succesfully. Then set Lawnchair back as the default Launcher.