Viewer Fragment

Viewer.java

public class Viewer extends Fragment {

    private static final String TAG = "Viewer";

    //Fragment Static strings
    public static final String IMAGE_RESOURCE_ID = "iconResourceID";
    public static final String ITEM_NAME = "itemName";

    //Static strings for Bundel and etc.
    public static final String PREFERENCE_LAST_IMAGE = "lastImage";
    public static final String BUNDEL_SELECTED_IMAGE = "selectedImage";

    protected String imagePath;

    protected Button filter1;
    protected Button filter2;
    protected Button filter3;  
    protected Button filter4;  

    protected TextView textViewExif;
    protected TextView textViewInfo1;
    protected TextView textViewInfo2;

    protected RenderScript renderScript;

    protected SubsamplingScaleImageView imageView;

    protected Context context;


    public static Viewer init(String imagePath) {

        Viewer viewerFragment = new Viewer();

        Bundle args = new Bundle();
        args.putString("imagePath", imagePath);
        viewerFragment.setArguments(args);
        return viewerFragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        imagePath = getArguments().getString("imagePath");
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.fragment_viewer, container, false);
        context = super.getActivity();
        renderScript = RenderScript.create(context);

        imageView = (SubsamplingScaleImageView) view.findViewById(R.id.previewImage);


        try {
            imageView.setImageFile(imagePath);
            Log.d(TAG, "setting  imagePath in onCreateView : " + imagePath);
            textViewExif.setText(imagePath);
        } catch (IOException e) {
            e.printStackTrace();
        }

        setHasOptionsMenu(true);
        initializeInheritance(view); //nur für klassen die diese vererben
        toggleHideyBar();

        return view;
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.viewer, menu);
        super.onCreateOptionsMenu(menu,inflater);
    }

    protected void initializeInheritance(View view){

    }

    protected void showMetadata(ImageData imageData){

        textViewExif.setText(imageData.getExposureTime() + " "  +
                imageData.getfNumber() + " " +
                imageData.getFilmSpeed() + " " +
                imageData.getFocalLength());

        textViewInfo1.setText(String.valueOf(imageData.getLaplaceSum()));
        textViewInfo2.setText(String.valueOf(imageData.getMaxLaplaceValue()));
    }


    @Override
    public void onDetach() {
        super.onDetach();
        toggleHideyBar();
    }

    /**
     * Detects and toggles immersive mode (also known as "hidey bar" mode).
     */
    public void toggleHideyBar() {
...
    }

    protected void setImageFile(File filteredImageFile){
        try {
            imageView.setImageFile(filteredImageFile.getAbsolutePath());
        } catch (IOException e) { e.printStackTrace(); }
    }

    protected void setImageBitmap(Bitmap filteredImageBitmap){
        try {
            imageView.setImageBitmap(filteredImageBitmap);
        } catch (IOException e) { e.printStackTrace(); }
    }

}