@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
String originalImagePath = "";
CursorLoader cursorLoader = (CursorLoader) loader;
boolean catchedExpetion = false;
if (data == null) {
originalImagePath = cursorLoader.getUri().getPath();
} else {
int columnIndex = data.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
data.moveToFirst();
try {
originalImagePath = data.getString(columnIndex);
} catch (CursorIndexOutOfBoundsException e) {
catchedExpetion = true;
}
}
if (catchedExpetion || (data == null && originalImagePath.equals(""))) {
Utils.showErrorDialog(getActivity(), getString(R.string.error_load_image));
return;
}
copyImageToCatroid(originalImagePath);
}
// And to convert the image URI to the direct file system path of the image file
private String getRealPathFromURI(Uri contentUri) {
String[] proj = {MediaStore.Images.Media.DATA};
CursorLoader loader = new CursorLoader(this, contentUri, proj, null, null, null);
Cursor cursor = loader.loadInBackground();
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
private void resetCursorLoaderUri() {
Loader<Cursor> loader = getLoaderManager().getLoader(LOADER_ID_LIST);
if (loader == null) {
return;
}
CursorLoader cl = (CursorLoader) loader;
cl.setUri(POIs.createUriSorted(mLocation));
loader.forceLoad();
}
public String getRealPathFromURI(Uri contentUri) {
String[] proj = {MediaStore.Images.Media.DATA};
CursorLoader loader = new CursorLoader(getActivity(), contentUri, proj, null, null, null);
Cursor cursor = loader.loadInBackground();
if (cursor != null && cursor.moveToFirst()) {
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
String result = cursor.getString(column_index);
cursor.close();
return result;
}
return null;
}
@Override
public void onScroll(AbsListView view, int firstVisible, int visibleCount, int totalCount) {
if (mObjects == null) return;
boolean loadMore = /* maybe add a padding */
firstVisible + visibleCount >= mObjects.getTotalQueried();
if (loadMore) {
mLoader.cancelLoad();
if (getActivity() instanceof Filterable) {
Filterable context = (Filterable) getActivity();
if (context != null) {
List<String> filterTypes = new ArrayList<String>();
for (int x = 0; x < context.getFilterTypes().length; x++) {
if (context.getFilterCheckboxes()[x]) {
Log.w(TAG, "adding " + context.getFilterTypes()[x]);
filterTypes.add(context.getFilterTypes()[x]);
}
}
mLoader =
mObjects.queryLaterObjects(
getActivity(),
mFeedUri,
totalCount,
filterTypes.toArray(new String[filterTypes.size()]));
}
} else {
mLoader = mObjects.queryLaterObjects(getActivity(), mFeedUri, totalCount, null);
}
}
}
/**
* 把uri转为File对象
*
* @param context
* @param uri
* @return
*/
public static File uri2File(Context context, Uri uri) {
// 而managedquery在api 11 被弃用，所以要转为使用CursorLoader,并使用loadInBackground来返回
Cursor cursor = null;
try {
String[] projection = {MediaStore.Images.Media.DATA};
CursorLoader loader = new CursorLoader(context, uri, projection, null, null, null);
cursor = loader.loadInBackground();
if (null == cursor) {
return null;
}
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return new File(cursor.getString(column_index));
} catch (Exception ex) {
Logger.e(TAG, ex);
} finally {
if (cursor != null) {
cursor.close();
}
}
return null;
}
@Override
public void onDestroy() {
super.onDestroy();
if (mLoader != null) {
mLoader.cancelLoad();
}
// the mObjects field is accessed by the background loader
synchronized (this) {
if (mObjects != null) {
((ObjectListCursorAdapter) mObjects).closeCursor();
}
}
}
@Test
public void testGetters() {
Uri uri = Uri.parse("http://robolectric.org");
String[] projection = new String[] {"_id", "TestColumn"};
String selection = "_id = ?";
String[] selectionArgs = new String[] {"5"};
String sortOrder = "_id";
CursorLoader cursorLoader =
new CursorLoader(
RuntimeEnvironment.application, uri, projection, selection, selectionArgs, sortOrder);
assertThat(cursorLoader.getUri()).isEqualTo(uri);
assertThat(cursorLoader.getProjection()).isEqualTo(projection);
assertThat(cursorLoader.getSelection()).isEqualTo(selection);
assertThat(cursorLoader.getSelectionArgs()).isEqualTo(selectionArgs);
assertThat(cursorLoader.getSortOrder()).isEqualTo(sortOrder);
}