Arturo92

@Override
	public boolean onCreateOptionsMenu(Menu menu)
	{
		// TODO: Implement this method
		menu.clear();
		MenuInflater inflator = getMenuInflater();
		inflator.inflate(R.menu.sidebar_menu, menu);
		SubMenu subMenu = menu.addSubMenu("Themes");
		subMenu.add(0 , blue , 0 , "Blue");
		subMenu.add(0, pink , 1, "Pink");

Arturo92

public File exportFile(File src) { 
	// extension example for image jpg without the dot 
	try { 
	    String dstPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).toString();
	    File dst = new File(dstPath); //if folder does not exist 
	    if (!dst.exists()) {
		    if (!dst.mkdir()) { 
		        return null;
		    }
	    }