Class GalleryActivity

src/com/cloudream/ishow/activity/GalleryActivity.java:44–240

import android.widget.Toast;

public class GalleryActivity extends Activity
{
	private static final String TAG = GalleryActivity.class.getSimpleName();
	
	// An advice from @{link https://developer.android.com/guide/components/intents-filters.html}
	// If you define your own actions, be sure to include your app's package name as a prefix.
	private static final String EXTRA_PREFIX = App.PACKAGE_NAME;
	/* package */ static final String ACTION_PICK_SINGLE = EXTRA_PREFIX + "action.PICK_SINGLE";
	/* package */ static final String ACTION_PICK_MULTIPLE = EXTRA_PREFIX + "action.PICK_MULTIPLE";
	
	/* package */ static final String EXTRA_PICTURE_PATH = EXTRA_PREFIX + "extra.PICTURE_PATH";
	/* package */ static final String EXTRA_CLASS = EXTRA_PREFIX + "extra.CLASS";
	/* package */ static final String EXTRA_PICTURE_MAX = EXTRA_PREFIX + "extra.PICTURE_MAX";
	
	private static final String TYPE_IMAGE = "image/*";
	
	private int picture_max = 9;
	
	GridView gv_gallery;
	GalleryAdapter adapter;

	private ImageView iv_picture_unavailable;

	private LinearLayout ll_thumbnails;
	private TextView tv_picture_selection_info;
	
	private ImageLoader imageLoader;

	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.gallery_activity);

		((TextView)findViewById(R.id.title)).setText(R.string.select_picture);
		ll_thumbnails = (LinearLayout)findViewById(R.id.thumbnails);

		Intent intent = getIntent();
		picture_max = intent.getIntExtra(EXTRA_PICTURE_MAX, 9);
		
		final String action = intent.getAction();
		if(action == null)
			finish();

		initImageLoader();
		init(action);
	}

	private void initImageLoader()
	{
		final String CACHE_DIR = App.getWorkingDirectory() + File.separator + ".temp";
		File file = new File(CACHE_DIR);
		if(!file.exists())
			file.mkdirs();
		
		try
		{
			File cacheDir = StorageUtils.getOwnCacheDirectory(getBaseContext(), CACHE_DIR);