Files
react-native/packages/react-native-codegen/buck_tests/java/FloatPropsNativeComponentViewManager.java
T
Oleksandr Melnykov 92f3b4a27f Allow null as default value for float props
Summary:
Some props must have their default values set by native. To be able to support this, we have to introduce a null as a supported default value for some types. In this diff I'm adding support for null default values for float props. An example of this to be useful is `ReactDrawerLayoutManager`:

```
  Override
  public void setDrawerWidth(ReactDrawerLayout view, Nullable Float width) {
    int widthInPx =
        width == null
            ? LayoutParams.MATCH_PARENT
            : Math.round(PixelUtil.toPixelFromDIP(width));
    view.setDrawerWidth(widthInPx);
  }
```

We need to be able to generate an interface method, that accepts a boxed `Float` value instead of the primitive `float` so that the native code can decide what value to use by default (`LayoutParams.MATCH_PARENT` in this case).

Reviewed By: rickhanlonii

Differential Revision: D17343172

fbshipit-source-id: 7662a4e0e495f58d05a92892f063535a359d09ae
2019-09-23 07:18:09 -07:00

49 lines
1.4 KiB
Java

package com.facebook.react.uimanager;
import android.view.ViewGroup;
import androidx.annotation.Nullable;
import com.facebook.react.viewmanagers.FloatPropsNativeComponentViewManagerDelegate;
import com.facebook.react.viewmanagers.FloatPropsNativeComponentViewManagerInterface;
public class FloatPropsNativeComponentViewManager extends SimpleViewManager<ViewGroup>
implements FloatPropsNativeComponentViewManagerInterface<ViewGroup> {
public static final String REACT_CLASS = "FloatPropsNativeComponentView";
@Override
public String getName() {
return REACT_CLASS;
}
private void test() {
FloatPropsNativeComponentViewManagerDelegate<ViewGroup, FloatPropsNativeComponentViewManager>
delegate = new FloatPropsNativeComponentViewManagerDelegate<>(this);
}
@Override
public ViewGroup createViewInstance(ThemedReactContext context) {
throw new IllegalStateException();
}
@Override
public void setBlurRadius(ViewGroup view, float value) {}
@Override
public void setBlurRadius2(ViewGroup view, float value) {}
@Override
public void setBlurRadius3(ViewGroup view, float value) {}
@Override
public void setBlurRadius4(ViewGroup view, float value) {}
@Override
public void setBlurRadius5(ViewGroup view, float value) {}
@Override
public void setBlurRadius6(ViewGroup view, float value) {}
@Override
public void setBlurRadiusNullable(ViewGroup view, @Nullable Float value) {}
}