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Add display:none support to react native

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Summary:
This diff adds display:none support to React Native. This enables hiding components which still calling their render method and keeping them within the state of your application. This enables preserving state in a component even though the component is not visible. Previously this was often implemented by rendering a component off screen as a work around. See below playground for usage.

```
class Playground extends React.Component {
  render() {
    return (
      <View style={{width: '100%', height: '100%', flexDirection: 'row', backgroundColor: 'white'}}>
        <View style={{width: 100, height: 100, display: 'none', backgroundColor: 'red'}}/>
        <View style={{width: 100, height: 100, backgroundColor: 'blue'}}/>
      </View>
    );
  }
}
```

Reviewed By: astreet

Differential Revision: D4611771

fbshipit-source-id: 0dbe0494d989df42994ab9ad5125d47f3233cc5a
This commit is contained in:
Emil Sjolander
2017-03-01 09:12:50 -08:00
committed by Facebook Github Bot
parent 31f848a5fa
commit 4d69f4b2d1
9 changed files with 33 additions and 0 deletions
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5
ReactAndroid/src/main/java/com/facebook/react/uimanager/ReactShadowNode.java
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@@ -15,6 +15,7 @@ import java.util.Arrays;
import java.util.ArrayList;
import com.facebook.yoga.YogaAlign;
import com.facebook.yoga.YogaDisplay;
import com.facebook.yoga.YogaEdge;
import com.facebook.yoga.YogaConstants;
import com.facebook.yoga.YogaDirection;
@@ -662,6 +663,10 @@ public class ReactShadowNode {
mYogaNode.setOverflow(overflow);
}
public void setDisplay(YogaDisplay display) {
mYogaNode.setDisplay(display);
}
public void setMargin(int spacingType, float margin) {
mYogaNode.setMargin(YogaEdge.fromInt(spacingType), margin);
}