Internet and Background Tasks

MainActivity.java

public class MainActivity extends AppCompatActivity {
    final String IMAGE_URL = "https://pixabay.com/static/uploads/photo/2014/12/22/00/05/spindle-576757_960_720.png";
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        final ImageView imageView = (ImageView) findViewById(R.id.headerimage);
        new ImageDownloaderTask(new ImageDownloaderTask.OnImageDownloadedListener() {
            @Override
            public void onImageDownloaded(Bitmap bitmap) {
                imageView.setImageBitmap(bitmap);
            }
        }).execute(IMAGE_URL);
    }
}