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fix(android): the window shrinks for the keyboard, so forms can scroll

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Measured, after two fixes placed by reasoning changed nothing:

  focus: inner 719 visual 719 | box client 659 scroll 659 | body=on-detail

Keyboard up, and both heights unchanged: the page has no way to learn the
keyboard exists - visualViewport reports nothing here either. And the box
shows 659 for 659 of content, so there is no overflow and nothing can
scroll. The keyboard simply covers the bottom of a page that believes it
still has the whole screen.

So the remedy was never in the page. windowSoftInputMode="adjustResize"
makes the window itself shrink; the scroll box then gets real overflow and
the engine can bring the focused field into view on its own.

The reserve added below the scroll area stays: it costs nothing when the
window does resize (the measure is then zero), and it is the honest place
for the value should a device ever report it.
This commit is contained in:
r-zakarya
2026-08-21 15:32:19 +01:00
parent 79a6625613
commit 7ee2feba1b
1 changed files with 10 additions and 0 deletions
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AndroidManifest.template.xml
+10
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@@ -63,11 +63,21 @@
<%services%> <%services%>
<!-- Our activity is a subclass of the built-in NativeActivity framework class. <!-- Our activity is a subclass of the built-in NativeActivity framework class.
This will take care of integrating with our NDK code. --> This will take care of integrating with our NDK code. -->
<!-- windowSoftInputMode : LA FENETRE SE RETRECIT QUAND LE CLAVIER MONTE.
Sans cela il RECOUVRE la page - le cadre garde sa hauteur, le
contenu ne deborde de rien, et le bas du formulaire devient
inatteignable : le champ mot de passe ne se voyait qu'en repliant
le clavier. Mesure a l'appui, clavier leve : innerHeight et
visualViewport.height restaient tous deux a 719, et la boite
defilante montrait 659 pour 659 de contenu. La page n'avait aucun
moyen d'apprendre que le clavier existait ; c'est la fenetre qui
devait le dire. -->
<activity <activity
android:name="com.embarcadero.firemonkey.FMXNativeActivity" android:name="com.embarcadero.firemonkey.FMXNativeActivity"
android:exported="true" android:exported="true"
android:label="%activityLabel%" android:label="%activityLabel%"
android:configChanges="orientation|keyboard|keyboardHidden|screenSize|screenLayout|uiMode" android:configChanges="orientation|keyboard|keyboardHidden|screenSize|screenLayout|uiMode"
android:windowSoftInputMode="adjustResize"
android:launchMode="singleTask"> android:launchMode="singleTask">
<!-- Tell NativeActivity the name of our .so --> <!-- Tell NativeActivity the name of our .so -->
<meta-data android:name="android.app.lib_name" android:value="%libNameValue%" /> <meta-data android:name="android.app.lib_name" android:value="%libNameValue%" />