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Doc Improvement: goBack key doc improvement (#2035)

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* chore(Doc Improvement): goBack key doc improvement

* chore(Doc improvement): fix wording

* chore(Doc Improvement): fix uppercase/lowercase wording
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andry-baka 2017-09-16 04:43:35 +07:00 committed by Spencer Carli
parent 3ad142b818
commit 500c8a07ac
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docs/guides/Screen-Navigation-Prop.md
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@ -116,6 +116,26 @@ class HomeScreen extends React.Component {
}
```
*Going back from a specific screen*
Consider the following navigation stack history:
```...
navigation.navigate(SCREEN_KEY_A);
...
navigation.navigate(SCREEN_KEY_B);
...
navigation.navigate(SCREEN_KEY_C);
...
navigation.navigate(SCREEN_KEY_D);
```
Now you are on *screen D* and want to go back to *screen A* (popping D, C, and B).
Then you need to supply a key to goBack *FROM*:
```
navigation.goBack(SCREEN_KEY_B) // will go to screen A FROM screen B
```
## `dispatch` - Send an action to the router
Use dispatch to send any navigation action to the router. The other navigation functions use dispatch behind the scenes.