MainActivity.java

package com.mranderson.locationsample;

// ---------- START: Required by `package com.mranderson.locationsample.location` ----------
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import com.mranderson.locationsample.location.LocationUpdatesService;
// ---------- END: Required by `package com.mranderson.locationsample.location` ----------

import com.facebook.react.ReactActivity;
import com.facebook.react.ReactActivityDelegate;
import com.facebook.react.ReactRootView;

public class MainActivity extends ReactActivity {
    /**
     * Returns the name of the main component registered from JavaScript.
     * This is used to schedule rendering of the component.
     */
    @Override
    protected String getMainComponentName() {
        return "LocationSample";
    }

    // @Override
    // protected ReactActivityDelegate createReactActivityDelegate() {
    //     return new ReactActivityDelegate(this, getMainComponentName()) {
    //         @Override
    //         protected ReactRootView createRootView() {
    //             return new RNGestureHandlerEnabledRootView(MainActivity.this);
    //         }
    //     };
    // }

    // ---------- START: Required by `package com.mranderson.locationsample.location` ----------

    // Tracks the bound state of the service.
    private boolean mBound = false;

    // Monitors the state of the connection to the service.
    private final ServiceConnection mServiceConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            LocationUpdatesService.LocalBinder binder = (LocationUpdatesService.LocalBinder) service;
            mBound = true;
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            mBound = false;
        }
    };

    @Override
    protected void onStart() {
        super.onStart();
        bindService(new Intent(this, LocationUpdatesService.class), mServiceConnection,
                Context.BIND_AUTO_CREATE);
    }

    @Override
    protected void onStop() {
        if (mBound) {
            // Unbind from the service. This signals to the service that this activity is no longer
            // in the foreground, and the service can respond by promoting itself to a foreground
            // service.
            unbindService(mServiceConnection);
            mBound = false;
        }
        super.onStop();
    }

    // ---------- STOP: Required by `package com.mranderson.locationsample.location` ----------
}