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Feature to listen on window focus events (#25039)

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Summary:
Addressed issue: https://github.com/facebook/react-native/issues/24149

On Android, activity's lifecycle events are not triggered when the user pulls down the Status Bar (opening Notification Drawer). In order to know that, you need to override [onWindowFocusChanged method](https://developer.android.com/reference/android/app/Activity.html#onWindowFocusChanged(boolean)).

## Changelog

[Android] [Added] - Adds a new listener for `onWindowFocusChanged`
[JavaScript] [Added] - New event, `focusChanged`, to listen on focus gain/loss
Pull Request resolved: https://github.com/facebook/react-native/pull/25039

Differential Revision: D15644954

Pulled By: cpojer

fbshipit-source-id: 823acffc4287bec4bf56e9f5ffcac65c01cf13d3
This commit is contained in:
Krzysztof Borowy
2019-06-05 16:05:34 -07:00
committed by Facebook Github Bot
parent bf8d918681
commit d45818fe47
7 changed files with 106 additions and 19 deletions
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ReactAndroid/src/main/java/com/facebook/react/ReactActivity.java
+6
View File
@@ -125,6 +125,12 @@ public abstract class ReactActivity extends AppCompatActivity
mDelegate.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
mDelegate.onWindowFocusChanged(hasFocus);
}
protected final ReactNativeHost getReactNativeHost() {
return mDelegate.getReactNativeHost();
}