feat(android): Implementing 'onBackPressed' for frame-root (#8634)

Useful for meddling with tab-navigated apps.

Co-authored-by: Dimitris - Rafail Katsampas <katsampasdr@gmail.com>
This commit is contained in:
DimitrisRK
2020-06-13 23:46:57 +03:00
committed by GitHub
parent 3198f92580
commit c73952f364

View File

@ -1221,20 +1221,18 @@ class ActivityCallbacksImplementation implements AndroidActivityCallbacks {
const view = this._rootView;
let callSuper = false;
if (view instanceof Frame) {
callSuper = !FrameBase.goBack();
} else {
const viewArgs = <application.AndroidActivityBackPressedEventData>{
eventName: "activityBackPressed",
object: view,
activity: activity,
cancel: false,
};
view.notify(viewArgs);
const viewArgs = <application.AndroidActivityBackPressedEventData>{
eventName: "activityBackPressed",
object: view,
activity: activity,
cancel: false,
};
view.notify(viewArgs);
if (!viewArgs.cancel && !view.onBackPressed()) {
callSuper = true;
}
// In the case of Frame, use this callback only if it was overridden, since the original will cause navigation issues
if (!viewArgs.cancel && (view.onBackPressed === Frame.prototype.onBackPressed || !view.onBackPressed())) {
callSuper = view instanceof Frame ? !FrameBase.goBack() : true;
}
if (callSuper) {