javascript/NativeScript
1
0
Fork 0
mirror of https://github.com/NativeScript/NativeScript.git synced 2025-11-05 13:26:48 +08:00
Code Issues Packages Projects Releases Wiki Activity

feat(view): expose method for android back override (#5537)

Browse Source 
Expose method on View class onBackPressed(). Third party controls
like RadSideDrawer can use this method to override the default Android
back button handling. By default the app closes.
This commit is contained in:
Martin Yankov
2018-03-14 18:15:05 +02:00
committed by GitHub
parent dfa70dd384
commit cf8dcfa40c
5 changed files with 9 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tns-core-modules/ui/core/view/view-common.ts
View File

@@ -203,7 +203,7 @@ export abstract class ViewCommon extends ViewBase implements ViewDefinition {
return false;
}
public _onBackPressed(): boolean {
public onBackPressed(): boolean {
return false;
}

2
tns-core-modules/ui/core/view/view.android.ts
View File

@@ -115,7 +115,7 @@ function initializeDialogFragment() {
};
view.notify(args);
if (!args.cancel && !view._onBackPressed()) {
if (!args.cancel && !view.onBackPressed()) {
super.onBackPressed();
}
}

5
tns-core-modules/ui/core/view/view.d.ts vendored
View File

@@ -678,10 +678,11 @@ export abstract class View extends ViewBase {
* @private
*/
_onLivesync(): boolean;
/**
* @private
* Derived classes can override this method to handle Android back button press.
*/
_onBackPressed(): boolean;
onBackPressed(): boolean;
/**
* @private
*/

4
tns-core-modules/ui/frame/frame.android.ts
View File

@@ -249,7 +249,7 @@ export class Frame extends FrameBase {
}
}
public _onBackPressed(): boolean {
public onBackPressed(): boolean {
if (this.canGoBack()) {
this.goBack();
return true;
@@ -884,7 +884,7 @@ class ActivityCallbacksImplementation implements AndroidActivityCallbacks {
};
view.notify(viewArgs);
if (!viewArgs.cancel && !view._onBackPressed()) {
if (!viewArgs.cancel && !view.onBackPressed()) {
callSuper = true;
}
}

4
tns-core-modules/ui/tab-view/tab-view.android.ts
View File

@@ -510,10 +510,10 @@ export class TabView extends TabViewBase {
super.disposeNativeView();
}
public _onBackPressed(): boolean {
public onBackPressed(): boolean {
const currentView = this._selectedView;
if (currentView) {
return currentView._onBackPressed();
return currentView.onBackPressed();
}
return false;