Android API - 35 issues in Qt 5.15.2

ekkescorner

This is a change by Google. Apps with API Level 35 running on Android 15 devices now are always edge-to-edge and so your toolbar is clipped.
https://developer.android.com/develop/ui/views/layout/edge-to-edge
starting with Qt 6.9, Qt provides Safe Areas:
https://www.qt.io/blog/expanded-client-areas-and-safe-areas-in-qt-6.9
on Qt 5.15 you can use MobileUI:
https://github.com/emericg/MobileUI
...and you're in luck, because you can delay it until API 36:
try out adding this in to your manifest:
<application
android:windowOptOutEdgeToEdgeEnforcement="true">
</application>
see also https://www.droidcon.com/2024/09/20/🚨-google-secretly-adds-opt-out-api-for-android-15s-edge-to-edge-behaviour-🚨/
and discussions at Qt Discord Server: https://discord.com/channels/457523061650882570/1017293621063602186/1392839200574799923
good luck

Stamp_it

Thanks Ekkehard Gentz, I will check with this and let you know the results.

Stamp_it

Hi Ekkehard Gentz.
Below solution didn't work
<application
android:windowOptOutEdgeToEdgeEnforcement="true">
</application>

Below is the Error-

---\android-build\build\intermediates\packaged_manifests\release\AndroidManifest.xml:81: error: attribute android:windowOptOutEdgeToEdgeEnforcement not found.
error: failed processing manifest.

Try:

Run with --stacktrace option to get the stack trace.
Run with --debug option to get more log output.
Run with --scan to get full insights.
==============================================================================

2: Task failed with an exception.

What went wrong:
java.lang.StackOverflowError (no error message)
Try:

Run with --stacktrace option to get the stack trace.
Run with --debug option to get more log output.
Run with --scan to get full insights.
==============================================================================

ekkescorner

@Stamp_it thx testing this.
so it seems you should try the other way by @bchimp as discussed at Qt Discord Server:
in your android templates directory under res/values/themes.xml you put this

<resources xmlns:tools="http://schemas.android.com/tools">
  <style name="Theme.rando" parent="android:Theme.DeviceDefault.DayNight">
    <item name="android:windowOptOutEdgeToEdgeEnforcement">true</item>
  </style>
</resources>

obviously change the style name to whatever you are using. then in AndroidManifest in the "application" part, add this:

android:theme="@style/Theme.rando"

have not tried by myself

Stamp_it

@ekkescorner Ok, Thanks for replying, I will check this out.

ekkescorner

@Stamp_it if it also doesn't work, then probably because you need newer templates as used by Qt 6 ?
then you should consider to use MobileUI, which is working on Qt 5.15 and Qt 6.

Stamp_it

@ekkescorner Thank for replying.
Now I am working in Qt6.6.3, With Android -35, Built the application Successfully, But on android device it shows only a white blank screen with the Name of the application at the top

jsulm

@Stamp_it You should try with latest Qt version, which is 6.9.1

ekkescorner

@Stamp_it would also recommend to use 6.9.1

ekkescorner

And here's what Qt says, if you want to opt-out from Android-35 edge-to-edge:
you have to add styles.xml and add in Manifest... activity... android:theme="@style/NormalTheme"
see the details here:
https://codereview.qt-project.org/c/qt/qtbase/+/630376

liuliuliu

I'm currently trying to compile Android API 35 on 5.15.2, but it keeps failing. How did you get it to compile successfully? Could you tell me which versions of NDK and SDK you used?

JoeCFD

Check my old posts and find out the links to the matching versions.

liuliuliu

@JoeCFD I searched but couldn't find any relevant posts. On my end, using NDK 21 + Java 1.8 + Build-Tools 34.0.0 compiles successfully. However, after switching Build-Tools to version 35, it no longer works. I'm wondering if Qt5 is no longer buildable on the Android 35 platform?

JoeCFD

https://developer.android.com/build/jdks //scroll down. I think you need 34 and Java 17
https://docs.gradle.org/current/userguide/compatibility.html