Tutorial file for React Native Android bridge

LoadingOverlay.java

//PUT YOUR PACKAGE HERE, IT'S THE SAME AS IN MainApplication.java
package com.reatnativeloadingspinneroverlaynativetutorial;

import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import android.app.Activity;

import com.kaopiz.kprogresshud.KProgressHUD;

//CHANGE LoadingOverlay WITH THE NAME OF YOUR CHOICE
public class LoadingOverlay extends ReactContextBaseJavaModule {

    KProgressHUD hud;

    public LoadingOverlay(ReactApplicationContext reactContext) {
        super(reactContext);
    }

    @Override
    public String getName() {
        return "LoadingOverlay";
    }

    @ReactMethod
    public void toggle(Boolean show) {
        final Activity activity = getCurrentActivity();
        // PUT YOUR NATIVE CODE HERE

        if (hud == null) {
            hud = KProgressHUD.create(activity);
        }

        if (show) {
            hud.setStyle(KProgressHUD.Style.SPIN_INDETERMINATE)
                .setLabel("Please wait")
                .setAnimationSpeed(2)
                .setDimAmount(0.1f).show();
        } else {
            hud.dismiss();
        }

    }
}