protected void clean() { // 清理临时的图片文件 if (imageFileUriList != null && !imageFileUriList.isEmpty()) { for (FileEntity file : imageFileUriList) { String fileUrl = file.getFileUri(); if (fileUrl != null && fileUrl.length() > 0) { FileHelper.deleteCacheFile(fileUrl); } } } imageFileUriList.clear(); }
@Override public View getView(final int position, View convertView, ViewGroup parent) { ImageView imageView; if (convertView == null) { imageView = new ImageView(PicContainerActivity.this); imageView.setLayoutParams( new GridView.LayoutParams(IMAGE_VIEW_WIDTH, IMAGE_VIEW_WIDTH)); // imageView.setAdjustViewBounds(false); imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); imageView.setPadding(8, 8, 8, 8); } else { imageView = (ImageView) convertView; } if (!readonly && position == imageFileUriList.size()) { imageView.setImageResource(R.drawable.add_camera); imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); imageView.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { showPopupWindow(v); } }); } else { final FileEntity image = (FileEntity) this.getItem(position); imageView.setBackgroundResource(0); if (image.getFileUri() != null) { imageView.setImageBitmap( FileHelper.decodeFile(image.getFileUri(), true, IMAGE_VIEW_WIDTH, IMAGE_VIEW_WIDTH)); } else { ImageLoader.getInstance().displayImage(image.getAliasName(), imageView, true); } imageView.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(PicContainerActivity.this, ImagePreviewActivity.class); intent.putExtra(ImagePreviewActivity.IMAGE_SRC_KEY, image); intent.putExtra(ImagePreviewActivity.IMAGE_INDEX_IN_CONTAINER, position); intent.putExtra(ImagePreviewActivity.IMAGE_DELETE_FLAG, !readonly); PicContainerActivity.this.startActivityForResult( intent, PREVIEW_IMAGE_ACTIVITY_REQUEST_CODE); } }); } return imageView; }
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.image_preview); ActionBar actionBar = this.getActionBar(); actionBar.setDisplayHomeAsUpEnabled(true); Intent intent = this.getIntent(); imageFile = (FileEntity) intent.getExtras().getSerializable(IMAGE_SRC_KEY); imageIndex = intent.getExtras().getInt(IMAGE_INDEX_IN_CONTAINER); showDeleteMenuItem = intent.getExtras().getBoolean(IMAGE_DELETE_FLAG); // showByLocalFile = intent.getExtras().getBoolean(SHOW_BY_LOCAL_FILE); showByLocalFile = imageFile.getFileUri() != null; ImageView view = (ImageView) this.findViewById(R.id.image_preview_id); if (showByLocalFile) { view.setImageURI(Uri.parse(imageFile.getFileUri())); } else { ImageLoader.getInstance().displayImage(imageFile.getAliasName(), view, false); } }