I'm working on a custom image gallery for my application but I got a serious issue under Samsung Galaxy S4 and S5. The following code works great on HTC and Xperia devices but not at all on Samsung ones.
Basically, the pathes are always null on these devices.
Here is the code I made.
In big lines, it returns a list of categories containing a name and a list of images. The aim is to provide a folder based gallery like the native one.
Should you have any idea why it fails on Samsung galaxy ?
Thanks for your help.
public List<Category> getCategories()
{
Map<String, Category> map = new HashMap<String, Category>();
String[] projection = new String[] {
MediaStore.Images.Media._ID,
MediaStore.Images.Media.BUCKET_DISPLAY_NAME,
};
ContentResolver cr = getContentResolver();
Cursor cur = cr.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projection, null, null, MediaStore.Images.Media.DATE_TAKEN + " DESC");
if (cursor == null) return;
if (cur.moveToFirst())
{
Category category = null;
long id = 0L;
String bucket = null;;
int idColumn = cur.getColumnIndex(MediaStore.Images.Media._ID);
int bucketColumn = cur.getColumnIndex(MediaStore.Images.Media.BUCKET_DISPLAY_NAME);
do
{
id = cur.getLong(idColumn);
bucket = cur.getString(bucketColumn);
if (map.get(bucket) == null)
{
category = new Category(bucket);
map.put(bucket, category);
}
category = map.get(bucket);
category.addImage( idToImage(id) );
}
while (cur.moveToNext());
}
return map.values().toArray();
}
private Image idToImage(long id)
{
Image image = new Image();
image.setThumbnail( getThumbnail(id) );
image.setImage( getImage(id) );
return image;
}
private String getThumbnail(long id)
{
String path = null;
Cursor cursor = MediaStore.Images.Thumbnails.queryMiniThumbnail(getContentResolver(), id, MediaStore.Images.Thumbnails.MINI_KIND, null);
if( cursor != null && cursor.getCount() > 0 )
{
cursor.moveToFirst();
path = cursor.getString( cursor.getColumnIndex( MediaStore.Images.Thumbnails.DATA ) );
cursor.close();
}
return path;
}
private String getImage(long id)
{
String path = null;
String[] projection = {MediaStore.Images.Media.DATA};
String where = MediaStore.Images.Media._ID + " = " + id;
Cursor cursor = getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projection, where, null, null);
int dataColumn = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
if( cursor != null && cursor.getCount() > 0 )
{
cursor.moveToFirst();
path = cursor.getString(dataColumn);
}
return path;
}
It will work
/**
* Get actual file path from gallery
*/
public String getPath(Uri uri, Context ctx) {
String[] projection = {MediaStore.Images.Media.DATA};
String result;
Cursor cursor = ctx.getContentResolver().query(uri, projection, null, null, null);
if (cursor == null) {
return null;
}
int column_index = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
result = cursor.getString(column_index);
cursor.close();
return result;
}
Related
When i run this application on android 4.2, bitmap returns image, but in 4.4 it returns null........ In Gallery things works perfectly.
if (items[which].equals("Camera")) {
Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(intent, 1);
In onActivityResult
else if (requestCode == 1) {
final Bitmap thumbnail = (Bitmap) data.getExtras().get("data");
if (imageNumber == 1)
slip_image1.setImageBitmap(thumbnail);
else if (imageNumber == 2)
slip_image2.setImageBitmap(thumbnail);
else if (imageNumber == 3)
slip_image3.setImageBitmap(thumbnail);
#SuppressLint("NewApi")
public static String getRealPathFromURI_API19(Context context, Uri uri){
String filePath = "";
try { // FIXME NPE error when select image from QuickPic, Dropbox etc
String wholeID = DocumentsContract.getDocumentId(uri);
// Split at colon, use second item in the array
String id = wholeID.split(":")[1];
String[] column = {MediaStore.Images.Media.DATA};
// where id is equal to
String sel = MediaStore.Images.Media._ID + "=?";
Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.INTERNAL_CONTENT_URI,
column, sel, new String[]{id}, null);
int columnIndex = cursor.getColumnIndex(column[0]);
if (cursor.moveToFirst()) {
filePath = cursor.getString(columnIndex);
}
cursor.close();
return filePath;
} catch (Exception e) { // this is the fix lol
String result;
Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
if (cursor == null) { // Source is Dropbox or other similar local file path
result = uri.getPath();
} else {
cursor.moveToFirst();
int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
result = cursor.getString(idx);
cursor.close();
}
return result;
}
}
#SuppressLint("NewApi")
public static String getRealPathFromURI_API11to18(Context context, Uri contentUri) {
String[] proj = { MediaStore.Images.Media.DATA };
String result = null;
CursorLoader cursorLoader = new CursorLoader(
context,
contentUri, proj, null, null, null);
Cursor cursor = cursorLoader.loadInBackground();
if(cursor != null){
int column_index =
cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
result = cursor.getString(column_index);
}
return result;
}
public static String getRealPathFromURI_BelowAPI11(Context context, Uri contentUri){
String[] proj = { MediaStore.Images.Media.DATA };
Cursor cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
int column_index
= cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
I am getting an occasional (quite rare) exception from MediaStore.Images.Thumbnails.getThumbnail (see below). Similar questions were advised to always close the cursor, but I am not performing an explicit query.
I call it like this:
a private function reading the thumbnails.. (
private Bitmap getThumbnail(long imageId) { return MediaStore.Images.Thumbnails.getThumbnail(context.getContentResolver(), imageId,
MediaStore.Images.Thumbnails.MINI_KIND, null); }
It is called from here:
Cursor cursor = null;
int numProcessed = 0, numFaceDetected = 0;
try {
dirtyFile.createNewFile();
String[] projection = {
MediaStore.Images.Media._ID,
MediaStore.Images.Media.DATA,
MediaStore.Images.Media.BUCKET_DISPLAY_NAME,
MediaStore.Images.Media.ORIENTATION
};
cursor = getContentResolver().query(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
projection,
null,
null,
MediaStore.Images.Media.DATE_ADDED + " desc");
if (cursor == null) {
return;
}
cursor.moveToFirst();
final int columnIndexId = cursor.getColumnIndexOrThrow(MediaStore.Images.Media._ID);
final int columnIndexData = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
final int columnIndexOrientation = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.ORIENTATION);
final int columnIndexBucketName = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.BUCKET_DISPLAY_NAME);
while (!cursor.isAfterLast()) {
final long imageId = cursor.getLong(columnIndexId);
final String imagePath = cursor.getString(columnIndexData);
final int imageOrientation = cursor.getInt(columnIndexOrientation);
Bitmap bitmap = getThumbnail(imageId);
faceDetect(bitmap);
cursor.moveToNext();
numProcessed++;
}
Here is the exception:
android.database.CursorWindowAllocationException: Cursor window could not be created from binder.
at android.database.CursorWindow.(CursorWindow.java:137)
at android.database.CursorWindow.(CursorWindow.java:42)
at android.database.CursorWindow$1.createFromParcel(CursorWindow.java:685)
at android.database.CursorWindow$1.createFromParcel(CursorWindow.java:683)
at android.database.BulkCursorDescriptor.readFromParcel(BulkCursorDescriptor.java:75)
at android.database.BulkCursorDescriptor$1.createFromParcel(BulkCursorDescriptor.java:34)
at android.database.BulkCursorDescriptor$1.createFromParcel(BulkCursorDescriptor.java:30)
at android.content.ContentProviderProxy.query(ContentProviderNative.java:423)
at android.content.ContentResolver.query(ContentResolver.java:478)
at android.content.ContentResolver.query(ContentResolver.java:422)
at android.provider.MediaStore$InternalThumbnails.getThumbnail(MediaStore.java:680)
at android.provider.MediaStore$Images$Thumbnails.getThumbnail(MediaStore.java:1060)
Could you try replacing your thumb nail code with this
Cursor cursor = MediaStore.Images.Thumbnails.queryMiniThumbnail(
getContentResolver(), selectedImageUri,
MediaStore.Images.Thumbnails.MINI_KIND,
null );
if( cursor != null && cursor.getCount() > 0 ) {
cursor.moveToFirst();//**EDIT**
String uri = cursor.getString( cursor.getColumnIndex( MediaStore.Images.Thumbnails.DATA ) );
}
Reference of this answer is taken from [here][1]
[1]: http://stackoverflow.com/questions/5548645/get-thumbnail-uri-path-of-the-image-stored-in-sd-card-android
folks!
Look I broke my mind with problem -
how get display_name from ContactContract via _ID I got earlier???
Here is the code:
public static long getId(Context context, String number) {
long id = 0;
String displayName;
// define the columns I want the query to return
final String[] projection = new String[] {
ContactsContract.PhoneLookup.DISPLAY_NAME,
ContactsContract.PhoneLookup._ID};
// encode the phone number and build the filter URI
final Uri contactUri = Uri.withAppendedPath(ContactsContract.PhoneLookup.CONTENT_FILTER_URI, Uri.encode(number));
// query time
final Cursor cursor = context.getContentResolver().query(contactUri, projection, null, null, null);
if(cursor != null) {
if (cursor.moveToFirst()) {
displayName = cursor.getString(cursor.getColumnIndex(ContactsContract.PhoneLookup.DISPLAY_NAME));
// HERE IS GOOD _ID!
id = cursor.getLong(cursor.getColumnIndex(ContactsContract.PhoneLookup._ID));
Log.d("_TAG_", displayName);
{
//
// v. N-1
//
Cursor cursor2 = context.getContentResolver().query(
contactUri,
projection,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?",
new String[]{String.valueOf(id)}, null);
if(cursor2 != null) {
// Cursor valid but string below got error "android.database.CursorIndexOutOfBoundsException: Index -1 requested, with a size of 1 : )"
displayName = cursor2.getString(cursor.getColumnIndex(ContactsContract.PhoneLookup.DISPLAY_NAME));
Log.d("_TAG_", displayName);
}
}
{
//
// v. N
//
Uri myPhoneUri = Uri.withAppendedPath(ContactsContract.PhoneLookup.CONTENT_FILTER_URI,
Uri.encode(String.valueOf(id)));
Cursor phoneCursor = context.getContentResolver().query(
myPhoneUri, null, null, null, null);
for (phoneCursor.moveToFirst(); !phoneCursor.isAfterLast(); phoneCursor.moveToNext()) {
// No steps inside!
String str = phoneCursor.getString(phoneCursor
.getColumnIndexOrThrow(ContactsContract.CommonDataKinds.Nickname.NAME));
Log.d(App.LOG_TAG, "ContactUtils.getId: " + str);
}
if(phoneCursor != null) {
phoneCursor.close();
}
}
} else {
Log.d("_TAG_", "Contact Not Found # " + number);
}
cursor.close();
}
return id;
}
"v.N-1" and "v.N" are just 2 ones from a million attempts before.
See - I got _ID, so why it doesn't work back as valid query???
Here is decision i found.
public static String getDisplayName(Context context, long id) {
String displayName = null;
// define the columns I want the query to return
final String[] projection = new String[] {
ContactsContract.Contacts.DISPLAY_NAME,
};
final Cursor cursor = context.getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, projection,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?", new String[] { id + "" }, null);
if(cursor != null) {
if (cursor.moveToFirst()) {
displayName = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
}
cursor.close();
}
return displayName;
}
It works...
I am currently working on an Android project where I am attempting to lookup a contact phone number in the device and retrieve the contact information such as contact name and contacts image. Getting the contract name is working fine, however, a null pointer is being thrown when trying to get the photo uri.
Below is the code I am using:
public ContactInformation getContactInfoFromPhoneNumber(String number)
{
ContactInformation contactInformation = new ContactInformation();
if (number == null)
{
return null;
}
number = number.replace(" ", "");
if (number.startsWith("+"))
{
number = number.substring(3);
}
ContentResolver contentResolver = context.getContentResolver();
Uri uri = ContactsContract.Data.CONTENT_URI;
String[] projection = new String[] {ContactsContract.PhoneLookup._ID, ContactsContract.PhoneLookup.DISPLAY_NAME};
String selection = "REPLACE (" + ContactsContract.CommonDataKinds.Phone.NUMBER + ", \" \" , \"\" ) LIKE ?";
String[] selectionArgs = { "%" + number };
Cursor cursor = contentResolver.query(uri, projection, selection, selectionArgs, null);
if (cursor.moveToFirst())
{
contactInformation.contactName = cursor.getString(cursor.getColumnIndexOrThrow(ContactsContract.PhoneLookup.DISPLAY_NAME));
contactInformation.photoUri = cursor.getString(cursor.getColumnIndexOrThrow(ContactsContract.CommonDataKinds.Phone.PHOTO_URI));
cursor.close();
return contactInformation;
}
else
{
cursor.close();
return null;
}
}
Update
Below is my updated code based on Itzik Samara's answer.
Below is how I am doing my contact lookup:
public ContactInformation getContactInfoFromPhoneNumber(String number)
{
ContactInformation contactInformation = new ContactInformation();
if (number == null)
{
return null;
}
number = number.replace(" ", "");
if (number.startsWith("+"))
{
number = number.substring(3);
}
ContentResolver contentResolver = context.getContentResolver();
Uri uri = ContactsContract.Data.CONTENT_URI;
String[] projection = new String[] {ContactsContract.PhoneLookup._ID, ContactsContract.PhoneLookup.DISPLAY_NAME};
String selection = "REPLACE (" + ContactsContract.CommonDataKinds.Phone.NUMBER + ", \" \" , \"\" ) LIKE ?";
String[] selectionArgs = { "%" + number };
Cursor cursor = contentResolver.query(uri, projection, selection, selectionArgs, null);
if (cursor.moveToFirst())
{
contactInformation.contactName = cursor.getString(cursor.getColumnIndexOrThrow(ContactsContract.PhoneLookup.DISPLAY_NAME));
contactInformation.photoBase64String = getContactPhoto(cursor.getInt(cursor.getColumnIndexOrThrow(ContactsContract.Contacts._ID)));
cursor.close();
return contactInformation;
}
else
{
cursor.close();
return null;
}
}
Below is my getContactPhoto function:
private String getContactPhoto(int contactID)
{
Uri contactUri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, contactID);
Uri photoUri = Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo.CONTENT_DIRECTORY);
Cursor cursor = context.getContentResolver().query(photoUri, new String[]{ContactsContract.Contacts.Photo.PHOTO},
null, null, null);
if (cursor == null)
{
return null;
}
if (cursor.getCount() > 0)
{
while (cursor.moveToNext()) {
byte[] data = cursor.getBlob(0);
String base64String = Base64.encodeToString(data, Base64.DEFAULT);
cursor.close();
return base64String;
}
}
return null;
}
It's failing on the if statement and jumping out of the if straight to return null as if there is nothing in the cursor.
this function works for me :
private byte[] getContactPhoto(Context context,long contact_id) {
Uri contactUri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, contact_id);
Uri photoUri = Uri.withAppendedPath(contactUri,ContactsContract.Contacts.Photo.CONTENT_DIRECTORY);
Cursor cursor = context.getContentResolver().query(photoUri, new String[]{ContactsContract.Contacts.Photo.PHOTO}, null, null, null);
if(cursor == null)
return null;
try {
if(cursor.getCount() > 0) {
if (cursor.moveToFirst()) {
byte[] data = cursor.getBlob(0);
cursor.close();
if (data != null)
return data;
}
}
}
finally {
cursor.close();
}
return null;
}
private void getContacts(Context context) {
ContentResolver cr = context.getContentResolver();
Cursor cursor = cr.query(ContactsContract.Contacts.CONTENT_URI,null,null,null,null);
try {
if (cursor.getCount() > 0) {
while (cursor.moveToNext()) {
long contact_id = cursor.getLong(cursor.getColumnIndex(ContactsContract.Contacts._ID));
Contact friend = new Contact();
String name= cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
String email = getContactEmail(context, contact_id);
if(!name.contains("#") && !email.matches("")) {
friend.setName(name);
friend.setEmail(email);
friend.setImage(getContactPhoto(context, contact_id));
friend.setPhone(getContactMobilePhoneNumber(context, contact_id));
mContacts.add(friend);
}
}
}
}
finally {
cursor.close();
}
}
I have image files which don't have thumbnails. (imported from my external carmera using NFC)
I want to create thumbnails for my image picker view. (has to be fast)
At this moment, I'm not even sure "MEDIA SCAN" means "generating thumbnail" or what.
I tried to scan file using mMediaScannerConnection.scanFile(mPath, null);
onScanCompleted gets called and I try to get thumbnail using the following two version of functions.
I get null thumbnailPath for both functions, I don't get why..
private String getThumbnailPath(long imageId) {
ContentResolver cr = this.mContext.getContentResolver();
Cursor c = MediaStore.Images.Thumbnails.queryMiniThumbnail(cr, imageId, MediaStore.Images.Thumbnails.MINI_KIND, null);
try {
if (c.moveToNext()) {
int dataId = c.getColumnIndex( Images.Thumbnails.DATA);
String strThumPath = c.getString(dataId);
Log.i("ScanTest", "strThumPath = " + strThumPath );
return strThumPath;
}
} finally {
if (c != null) c.close();
}
return null;
}
private String getThumbnailPath2( long imageId ){
// http://wikicloud.blogspot.kr/2010/10/scanfile.html
ContentResolver cr = this.mContext.getContentResolver();
Cursor c = cr.query(MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, null, MediaStore.Images.Thumbnails.IMAGE_ID + "= ?" , new String[]{String.valueOf(imageId)}, null);
try {
if (c.moveToNext()) {
int dataId = c.getColumnIndex( Images.Thumbnails.DATA);
String strThumPath = c.getString(dataId);
Log.i("ScanTest", "strThumPath = " + strThumPath );
return strThumPath;
}
} finally {
if (c != null) c.close();
}
return null;
}
-- edit --
Here's how I try to get thumbnails.
first create a mapping from image-id to thumbnail-path.
protected Map getThumbnailPathFromDB() {
Map result = new HashMap();
Cursor thumbCursor = null;
thumbCursor = getContentResolver().query(
MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI,
null,
null,
null, null);
if (thumbCursor.moveToFirst()) {
do {
String path = thumbCursor.getString(thumbCursor
.getColumnIndex(MediaStore.MediaColumns.DATA));
long imageId = thumbCursor.getLong(thumbCursor
.getColumnIndex(MediaStore.Images.Thumbnails.IMAGE_ID));
result.put(new Long(imageId), path);
} while(thumbCursor.moveToNext());
}
thumbCursor.close();
return result;
next I iterate all images and try to find thumbnails from the mapping I created above
ContentResolver cr = getContentResolver();
Cursor cursor = cr.query(
Images.Media.EXTERNAL_CONTENT_URI, null,
null, null, Images.ImageColumns.DATE_MODIFIED + " DESC");
//thumbnailPathList is the mapping I created above, imageId is the id of image obtained from the cursor
String thumbnailPath = thumbnailPathList.get(new Long(imageId));
// thumbnailPath are occasionally null here!,
I tested my code on about 10 devices.
They all have images which I can't find thumbnails for.