public class SomeActivity extends Activity {
  public static final int REQUEST_CODE_CHOOSE = 1;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_some);
  }

  @Override
  protected void onActivityResult(int requestCode, int resultcode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    switch (requestCode) {
    case REQUEST_CODE_CHOOSE:
      if (resultCode == RESULT_OK) {
        // Get result and proceed your work from here...
        List<Uri> selected = Laevatein.obtainResult(data);
      }
      break;
    default:
      break;
    }
  }

  public void onClickButton(View view) {
    // call chooser on click button like this
    Laevatein.from(this).choose(MimeType.of(MimeType.JPEG)).forResult(REQUEST_CODE_CHOOSE);
  }
}

Laevatein.from(this)
        .choose(MimeType.of(MimeType.JPEG))
        .count(0, 10)  // minimum = 0, max = 10, so 0 <= count <= 10;
        .forResult(REQUEST_CODE_CHOOSE);

Laevatein.from(this)
        .choose(MimeType.of(MimeType.JPEG))
        .quality(30000, Integer.MAX_VALUE)  // minimum = 30000px, max = Integer.MAX_VALUEpx, so 30000px <= count <= Integer.MAX_VALUEpx;
        .forResult(REQUEST_CODE_CHOOSE);

Laevatein.from(this)
        .choose(MimeType.of(MimeType.JPEG))
        .bindEachImageWith(R.layout.my_cell, R.id.my_cell_image_view, R.id.my_cell_check_box)
        .forResult(REQUEST_CODE_CHOOSE);

List<Uri> mSelectedList;

Laevatein.from(this)
        .choose(MimeType.of(MimeType.JPEG))
        .resume(mSelectedList)
        .forResult(REQUEST_CODE_CHOOSE);

Laevatein.from(this)
        .choose(MimeType.of(MimeType.JPEG))
        .capture(true)
        .forResult(REQUEST_CODE_CHOOSE);