IssueTracker

Project: platform/frameworks/support
Branch: androidx-main
Author: Louis Pullen-Freilich <lpf@google.com>
Link:      https://android-review.googlesource.com/3328184

Adds OverscrollEffect#withoutDrawing and OverscrollEffect#withoutEventHandling

Adds OverscrollEffect#withoutDrawing and OverscrollEffect#withoutEventHandling 
 
These APIs allow overscroll to have events dispatched to it by one component, and rendered in a separate component. 
 
Fixes: b/266550551 
Fixes: b/204650733 
Fixes: b/255554340 
Fixes: b/229537244 
Test: OverscrollTest 
Relnote: "Adds OverscrollEffect#withoutDrawing and OverscrollEffect#withoutEventHandling APIs - these APIs create a wrapped instance of the provided overscroll effect that doesn't draw / handle events respectively, which allows for rendering  overscroll in a separate component from the component that is dispatching events. For example, disabling drawing the overscroll inside a lazy list, and then drawing the overscroll separately on top / elsewhere." 
Change-Id: Idbb3d91546b49c1987a041f959bce4b2b09a9f61

The following release(s) address this bug.It is possible this bug has only been partially addressed:

• androidx.compose.foundation:foundation:1.8.0-alpha06
• androidx.compose.foundation:foundation-android:1.8.0-alpha06
• androidx.compose.foundation:foundation-jvmstubs:1.8.0-alpha06
• androidx.compose.foundation:foundation-linuxx64stubs:1.8.0-alpha06

I am not against saying the resolution to the issues will be to migrate to material 3. I dont think we will do it for a while but as long as it works there I am good with that as a solution.

Summary of issues with Layout vs Material 2

1. Drop down announces differently when focused. Layout: "[SELECTION] drop down list [Drop Down Label]. Double tap to change." Compose: "drop down menu double tap to activate."
2. Open drop down it reads nothing and then reads the EditBox and then it finally goes into the menu
3. When you make a selection it reads differently Layout: "[SECOND SELECTION] drop down list [Drop Down Label]. Double tap to change." Compose: "2 replaced 1" then moves focus to the text below which is "Blah2"
4. It reads drop down and edit box seperately

What version of material3 you testing on. I tried the below code on the material3 android studio template. I updated all versions to latest. In specific compose is 1.3.1 and material 3 is 1.0.1:

Column {
        Text("Blah")
        ExposedDropdownMenuBox(
            expanded = expanded,
            onExpandedChange = {
                expanded = !expanded
            }
        ) {
            OutlinedTextField(
   modifier = Modifier.menuAnchor(),
                readOnly = true,
                value = selectedOptionText,
                onValueChange = { },
                label = { Text("Label") },
                trailingIcon = {
                    ExposedDropdownMenuDefaults.TrailingIcon(
                        expanded = expanded
                    )
                },
                colors = ExposedDropdownMenuDefaults.textFieldColors()
            )
            ExposedDropdownMenu(
                expanded = expanded,
                onDismissRequest = {
                    expanded = false
                }
            ) {
                options.forEach { selectionOption ->
                    DropdownMenuItem(
                        text = { Text(text = selectionOption) },
                        onClick = {
                            selectedOptionText = selectionOption
                            expanded = false
                        }
                    )
                }
            }
        }
        Text("Blah2")
    }

Material 3 results

1. Focus on drop down it reads: "[SELECTION] EditBox drop down menu [Drop Down Label]. Double tap and hold to to long press. Actions available use tap with 3 fingers to view."
2. Click on Drop down it reads: "Expanded" swipe "Blah 2", swipe "[Label] window popup window. Double tap to activate"
3. Scroll to second option in popup window it reads: "[SECOND SELECTION] double tap to activate"
4. Select second option in drop down it reads: "2 replaced 1" then moves focus to the text below which is "Blah2"

Would be good to have a full ADA audit of this control as it seems to me to still have many issues. I think issue 4 from my list of issues is resolved but all other issues are still existing. Also with step 1 in the material 3 steps above it says actions available. I use 3 fingers to view and it seems to be presenting options that are related to TextField and text selection. I think it would be good to remove any reference to an EditBox with drop downs as well.

Hopefully this is kind of clear as there is alot above.

dependencies { implementation "androidx.compose.material:material:1.5.4" }

android { buildFeatures { compose true }

composeOptions {
    kotlinCompilerExtensionVersion = "1.5.3"
}

kotlinOptions {
    jvmTarget = "1.8"
}

}

The following release(s) address this bug.It is possible this bug has only been partially addressed:

• androidx.compose.material3:material3:1.3.0-alpha05
• androidx.compose.material3:material3-android:1.3.0-alpha05
• androidx.compose.material3:material3-desktop:1.3.0-alpha05