minimap/app/src/main/java/io/dumpstack/minimap/MainActivity.java

package io.dumpstack.minimap;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;

import org.osmdroid.config.Configuration;
import org.osmdroid.tileprovider.tilesource.TileSourceFactory;
import org.osmdroid.views.MapView;

public class MainActivity extends AppCompatActivity implements GestureDetector.OnGestureListener {

    private GestureDetector gestureDetector;
    private MapView map;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Context ctx = getApplicationContext();
        Configuration.getInstance().load(ctx, PreferenceManager.getDefaultSharedPreferences(ctx));

        setContentView(R.layout.activity_main);

        map = findViewById(R.id.map);
        map.setTileSource(TileSourceFactory.MAPNIK);

        if (getSupportActionBar() != null) {
            getSupportActionBar().hide();
        }

        View decorView = getWindow().getDecorView();
        decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);

        this.gestureDetector = new GestureDetector(this, this);
    }

    public void onResume(){
        super.onResume();
        map.onResume();
    }

    public void onPause(){
        super.onPause();
        map.onPause();
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        if (gestureDetector.onTouchEvent(ev)) {
            return true;
        }
        return super.dispatchTouchEvent(ev);
    }

    @Override
    public boolean onDown(MotionEvent e) {
        return false;
    }

    @Override
    public void onShowPress(MotionEvent e) {
    }

    @Override
    public boolean onSingleTapUp(MotionEvent e) {
        return false;
    }

    @Override
    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
        return false;
    }

    @Override
    public void onLongPress(MotionEvent e) {
        // TODO Use swipe down to close the application
        finish();
    }

    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        return false;
    }
}