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fix: Back button override on API 36+ (#1831)

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This commit is contained in:
Norman Breau
2025-09-26 14:22:22 -03:00
committed by GitHub
parent 76aa938002
commit 46af3114b8
1 changed files with 29 additions and 0 deletions
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29
framework/src/org/apache/cordova/CoreAndroid.java
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@@ -28,9 +28,12 @@ import org.json.JSONObject;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.content.IntentFilter;
import android.telephony.TelephonyManager;
import android.view.KeyEvent;
import android.window.OnBackInvokedCallback;
import android.window.OnBackInvokedDispatcher;
import java.util.HashMap;
@@ -45,7 +48,9 @@ public class CoreAndroid extends CordovaPlugin {
private CallbackContext messageChannel;
private PluginResult pendingResume;
private PluginResult pendingPause;
private OnBackInvokedCallback backCallback;
private final Object messageChannelLock = new Object();
private final Object backButtonHandlerLock = new Object();
/**
* Send an event to be fired on the Javascript side.
@@ -63,6 +68,7 @@ public class CoreAndroid extends CordovaPlugin {
@Override
public void pluginInitialize() {
this.initTelephonyReceiver();
backCallback = null;
}
/**
@@ -247,6 +253,29 @@ public class CoreAndroid extends CordovaPlugin {
*/
public void overrideBackbutton(boolean override) {
LOG.i("App", "WARNING: Back Button Default Behavior will be overridden. The backbutton event will be fired!");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.BAKLAVA) {
if (override) {
synchronized (backButtonHandlerLock) {
if (backCallback == null) {
// The callback is intentionally empty. Since API 36, intercepting the back button is ignored, which means
// the onDispatchKeyEvent boolean result won't actually stop native from consuming the back button and doing
// it's own logic, UNLESS if there is an OnBackInvokedCallback registered on the dispatcher.
// The key dispatch events will still fire, which still handles propagating back button events to the webview.
// See https://developer.android.com/about/versions/16/behavior-changes-16#predictive-back for more info on the caveat.
backCallback = () -> {};
this.cordova.getActivity().getOnBackInvokedDispatcher().registerOnBackInvokedCallback(OnBackInvokedDispatcher.PRIORITY_DEFAULT, backCallback);
}
}
} else {
synchronized (backButtonHandlerLock) {
if (backCallback != null) {
this.cordova.getActivity().getOnBackInvokedDispatcher().unregisterOnBackInvokedCallback(backCallback);
backCallback = null;
}
}
}
}
webView.setButtonPlumbedToJs(KeyEvent.KEYCODE_BACK, override);
}