BlurViewManagerImpl.java

package com.reactnativecommunity.blurview;

import android.app.Activity;
import android.view.View;
import com.facebook.react.uimanager.ThemedReactContext;

import eightbitlab.com.blurview.BlurView;

import java.util.Objects;
import javax.annotation.Nonnull;

@SuppressWarnings("unused")
class BlurViewManagerImpl {

  public static final String REACT_CLASS = "AndroidBlurView";

  public static final int defaultRadius = 10;
  public static final int defaultSampling = 10;

  public static @Nonnull BlurView createViewInstance(@Nonnull ThemedReactContext ctx) {
    BlurView blurView = new BlurView(ctx);

    Activity currentActivity = ctx.getCurrentActivity();
    if (currentActivity != null) {
      View decorView = Objects
        .requireNonNull(ctx.getCurrentActivity())
        .getWindow()
        .getDecorView();
      blurView
        .setupWith(decorView.findViewById(android.R.id.content))
        .setFrameClearDrawable(decorView.getBackground())
        .setBlurRadius(defaultRadius);
    }
    return blurView;
  }

  public static void setRadius(BlurView view, int radius) {
    view.setBlurRadius(radius);
    view.invalidate();
  }

  public static void setColor(BlurView view, int color) {
    view.setOverlayColor(color);
    view.invalidate();
  }

  public static void setDownsampleFactor(BlurView view, int factor) {}

  public static void setAutoUpdate(BlurView view, boolean autoUpdate) {
    view.setBlurAutoUpdate(autoUpdate);
    view.invalidate();
  }

  public static void setBlurEnabled(BlurView view, boolean enabled) {
    view.setBlurEnabled(enabled);
  }
}