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fix(android): Adjust WebView sizing during keyboard size changes #40

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Merged
merged 3 commits into from
Nov 14, 2025
+13 −29
Merged

fix(android): Adjust WebView sizing during keyboard size changes #40

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c8a62de
Resize content children if insets change while keyboard is open
theproducer Nov 13, 2025
1ce67f4
Removing `shouldApplyEdgeToEdgeAdjustments`, unsupported in Cap 8
theproducer Nov 13, 2025
32a13f4
fmt
theproducer Nov 13, 2025
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42 changes: 13 additions & 29 deletions android/src/main/java/com/capacitorjs/plugins/keyboard/Keyboard.java
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,19 @@ public Keyboard(AppCompatActivity activity, boolean resizeOnFullScreen) {
FrameLayout content = activity.getWindow().getDecorView().findViewById(android.R.id.content);
rootView = content.getRootView();

ViewCompat.setOnApplyWindowInsetsListener(
rootView,
(v, insets) -> {
boolean showingKeyboard = ViewCompat.getRootWindowInsets(rootView).isVisible(WindowInsetsCompat.Type.ime());

if (showingKeyboard && resizeOnFullScreen) {
possiblyResizeChildOfContent(true);
}

return insets;
}
);

ViewCompat.setWindowInsetsAnimationCallback(
rootView,
new WindowInsetsAnimationCompat.Callback(WindowInsetsAnimationCompat.Callback.DISPATCH_MODE_STOP) {
Expand Down Expand Up @@ -142,38 +155,9 @@ private void possiblyResizeChildOfContent(boolean keyboardShown) {
private int computeUsableHeight() {
Rect r = new Rect();
mChildOfContent.getWindowVisibleDisplayFrame(r);
if (shouldApplyEdgeToEdgeAdjustments()) {
WindowInsetsCompat insets = ViewCompat.getRootWindowInsets(rootView);
if (insets != null) {
int systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars()).bottom;
if (systemBars > 0) {
return r.bottom + systemBars;
}
}
}

return isOverlays() ? r.bottom : r.height();
}

private boolean shouldApplyEdgeToEdgeAdjustments() {
var adjustMarginsForEdgeToEdge = this.bridge == null ? "auto" : this.bridge.getConfig().adjustMarginsForEdgeToEdge();
if (adjustMarginsForEdgeToEdge.equals("force")) { // Force edge-to-edge adjustments regardless of app settings
return true;
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.VANILLA_ICE_CREAM && adjustMarginsForEdgeToEdge.equals("auto")) { // Auto means that we need to check the app's edge-to-edge preference
TypedValue value = new TypedValue();
boolean optOutAttributeExists = activity
.getTheme()
.resolveAttribute(android.R.attr.windowOptOutEdgeToEdgeEnforcement, value, true);

if (!optOutAttributeExists) { // Default is to apply edge to edge
return true;
} else {
return value.data == 0;
}
}
return false;
}

@SuppressWarnings("deprecation")
private boolean isOverlays() {
final Window window = activity.getWindow();
Expand Down