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docs(navController): improve lifecycle hooks

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Closes #9128
Documenting the possible return values of lifecycle hooks
This commit is contained in:
Louis Orleans
2016-11-11 15:06:48 -08:00
committed by mhartington
parent 025c5cc646
commit 10dfa1704b
1 changed files with 10 additions and 10 deletions
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20
src/navigation/nav-controller.ts
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@ -224,16 +224,16 @@ import { ViewController } from './view-controller';
* }
* ```
*
* | Page Event | Description |
* |---------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
* | `ionViewDidLoad` | Runs when the page has loaded. This event only happens once per page being created. If a page leaves but is cached, then this event will not fire again on a subsequent viewing. The `ionViewDidLoad` event is good place to put your setup code for the page. |
* | `ionViewWillEnter` | Runs when the page is about to enter and become the active page. |
* | `ionViewDidEnter` | Runs when the page has fully entered and is now the active page. This event will fire, whether it was the first load or a cached page. |
* | `ionViewWillLeave` | Runs when the page is about to leave and no longer be the active page. |
* | `ionViewDidLeave` | Runs when the page has finished leaving and is no longer the active page. |
* | `ionViewWillUnload` | Runs when the page is about to be destroyed and have its elements removed. |
* | `ionViewCanEnter` | Runs before the view can enter. This can be used as a sort of "guard" in authenticated views where you need to check permissions before the view can enter |
* | `ionViewCanLeave` | Runs before the view can leave. This can be used as a sort of "guard" in authenticated views where you need to check permissions before the view can leave |
* | Page Event | Returns | Description |
* |---------------------|----------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
* | `ionViewDidLoad` | void | Runs when the page has loaded. This event only happens once per page being created. If a page leaves but is cached, then this event will not fire again on a subsequent viewing. The `ionViewDidLoad` event is good place to put your setup code for the page. |
* | `ionViewWillEnter` | void | Runs when the page is about to enter and become the active page. |
* | `ionViewDidEnter` | void | Runs when the page has fully entered and is now the active page. This event will fire, whether it was the first load or a cached page. |
* | `ionViewWillLeave` | void | Runs when the page is about to leave and no longer be the active page. |
* | `ionViewDidLeave` | void | Runs when the page has finished leaving and is no longer the active page. |
* | `ionViewWillUnload` | void | Runs when the page is about to be destroyed and have its elements removed. |
* | `ionViewCanEnter` | boolean \| Promise\<void\> | Runs before the view can enter. This can be used as a sort of "guard" in authenticated views where you need to check permissions before the view can enter |
* | `ionViewCanLeave` | boolean \| Promise\<void\> | Runs before the view can leave. This can be used as a sort of "guard" in authenticated views where you need to check permissions before the view can leave |
*
*
* ## Nav Guards