List of usage examples for android.content.res AssetFileDescriptor close
@Override public void close() throws IOException
getParcelFileDescriptor().close(). From source file:android.com.example.contactslist.ui.ContactDetailFragment.java
/** * Decodes and returns the contact's thumbnail image. * @param contactUri The Uri of the contact containing the image. * @param imageSize The desired target width and height of the output image in pixels. * @return If a thumbnail image exists for the contact, a Bitmap image, otherwise null. *//*from w ww . j a va 2 s .co m*/ @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) private Bitmap loadContactPhoto(Uri contactUri, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is called in a // background thread, there's the possibility the Fragment is no longer attached and // added to an activity. If so, no need to spend resources loading the contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates a ContentResolver for retrieving the Uri of the image final ContentResolver contentResolver = getActivity().getContentResolver(); // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; if (Utils.hasICS()) { // On platforms running Android 4.0 (API version 14) and later, a high resolution image // is available from Photo.DISPLAY_PHOTO. try { // Constructs the content Uri for the image Uri displayImageUri = Uri.withAppendedPath(contactUri, Photo.DISPLAY_PHOTO); // Retrieves an AssetFileDescriptor from the Contacts Provider, using the // constructed Uri afd = contentResolver.openAssetFileDescriptor(displayImageUri, "r"); // If the file exists if (afd != null) { // Reads and decodes the file to a Bitmap and scales it to the desired size return ImageLoader.decodeSampledBitmapFromDescriptor(afd.getFileDescriptor(), imageSize, imageSize); } } catch (FileNotFoundException e) { // Catches file not found exceptions if (BuildConfig.DEBUG) { // Log debug message, this is not an error message as this exception is thrown // when a contact is legitimately missing a contact photo (which will be quite // frequently in a long contacts list). Log.d(TAG, "Contact photo not found for contact " + contactUri.toString() + ": " + e.toString()); } } finally { // Once the decode is complete, this closes the file. You must do this each time // you access an AssetFileDescriptor; otherwise, every image load you do will open // a new descriptor. if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Nothing extra is needed to handle this. } } } } // If the platform version is less than Android 4.0 (API Level 14), use the only available // image URI, which points to a normal-sized image. try { // Constructs the image Uri from the contact Uri and the directory twig from the // Contacts.Photo table Uri imageUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY); // Retrieves an AssetFileDescriptor from the Contacts Provider, using the constructed // Uri afd = getActivity().getContentResolver().openAssetFileDescriptor(imageUri, "r"); // If the file exists if (afd != null) { // Reads the image from the file, decodes it, and scales it to the available screen // area return ImageLoader.decodeSampledBitmapFromDescriptor(afd.getFileDescriptor(), imageSize, imageSize); } } catch (FileNotFoundException e) { // Catches file not found exceptions if (BuildConfig.DEBUG) { // Log debug message, this is not an error message as this exception is thrown // when a contact is legitimately missing a contact photo (which will be quite // frequently in a long contacts list). Log.d(TAG, "Contact photo not found for contact " + contactUri.toString() + ": " + e.toString()); } } finally { // Once the decode is complete, this closes the file. You must do this each time you // access an AssetFileDescriptor; otherwise, every image load you do will open a new // descriptor. if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Ignore this. } } } // If none of the case selectors match, returns null. return null; }
From source file:co.tinode.tindroid.ContactsFragment.java
/** * Decodes and scales a contact's image from a file pointed to by a Uri in the contact's data, * and returns the result as a Bitmap. The column that contains the Uri varies according to the * platform version.// ww w . ja va2 s .com * * @param photoData For platforms prior to Android 3.0, provide the Contact._ID column value. * For Android 3.0 and later, provide the Contact.PHOTO_THUMBNAIL_URI value. * @param imageSize The desired target width and height of the output image in pixels. * @return A Bitmap containing the contact's image, resized to fit the provided image size. If * no thumbnail exists, returns null. */ private Bitmap loadContactPhotoThumbnail(String photoData, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is called in a // background thread, there's the possibility the Fragment is no longer attached and // added to an activity. If so, no need to spend resources loading the contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; // This "try" block catches an Exception if the file descriptor returned from the Contacts // Provider doesn't point to an existing file. try { Uri thumbUri = Uri.parse(photoData); // Retrieves a file descriptor from the Contacts Provider. To learn more about this // feature, read the reference documentation for // ContentResolver#openAssetFileDescriptor. afd = getActivity().getContentResolver().openAssetFileDescriptor(thumbUri, "r"); // Gets a FileDescriptor from the AssetFileDescriptor. A BitmapFactory object can // decode the contents of a file pointed to by a FileDescriptor into a Bitmap. FileDescriptor fileDescriptor = afd.getFileDescriptor(); if (fileDescriptor != null) { // Decodes a Bitmap from the image pointed to by the FileDescriptor, and scales it // to the specified width and height return ImageLoader.decodeSampledBitmapFromDescriptor(fileDescriptor, imageSize, imageSize); } } catch (FileNotFoundException e) { // If the file pointed to by the thumbnail URI doesn't exist, or the file can't be // opened in "read" mode, ContentResolver.openAssetFileDescriptor throws a // FileNotFoundException. if (BuildConfig.DEBUG) { Log.d(TAG, "Contact photo thumbnail not found for contact " + photoData + ": " + e.toString()); } } finally { // If an AssetFileDescriptor was returned, try to close it if (afd != null) { try { afd.close(); } catch (IOException unused) { // Closing a file descriptor might cause an IOException if the file is // already closed. Nothing extra is needed to handle this. } } } // If the decoding failed, returns null return null; }
From source file:br.com.mybaby.contatos.ContactDetailFragment.java
/** * Decodes and returns the contact's thumbnail image. * @param contactUri The Uri of the contact containing the image. * @param imageSize The desired target width and height of the output image in pixels. * @return If a thumbnail image exists for the contact, a Bitmap image, otherwise null. *///from ww w . ja v a 2 s . co m @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) private Bitmap loadContactPhoto(Uri contactUri, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is called in a // background thread, there's the possibility the Fragment is no longer attached and // added to an activity. If so, no need to spend resources loading the contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates a ContentResolver for retrieving the Uri of the image final ContentResolver contentResolver = getActivity().getContentResolver(); // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; if (Util.hasICS()) { // On platforms running Android 4.0 (API version 14) and later, a high resolution image // is available from Photo.DISPLAY_PHOTO. try { // Constructs the content Uri for the image Uri displayImageUri = Uri.withAppendedPath(contactUri, Photo.DISPLAY_PHOTO); // Retrieves an AssetFileDescriptor from the Contacts Provider, using the // constructed Uri afd = contentResolver.openAssetFileDescriptor(displayImageUri, "r"); // If the file exists if (afd != null) { // Reads and decodes the file to a Bitmap and scales it to the desired size return ImageLoader.decodeSampledBitmapFromDescriptor(afd.getFileDescriptor(), imageSize, imageSize); } } catch (FileNotFoundException e) { // Catches file not found exceptions if (BuildConfig.DEBUG) { // Log debug message, this is not an error message as this exception is thrown // when a contact is legitimately missing a contact photo (which will be quite // frequently in a long contacts list). Log.d(TAG, "Contact photo not found for contact " + contactUri.toString() + ": " + e.toString()); } } finally { // Once the decode is complete, this closes the file. You must do this each time // you access an AssetFileDescriptor; otherwise, every image load you do will open // a new descriptor. if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Nothing extra is needed to handle this. } } } } // If the platform version is less than Android 4.0 (API Level 14), use the only available // image URI, which points to a normal-sized image. try { // Constructs the image Uri from the contact Uri and the directory twig from the // Contacts.Photo table Uri imageUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY); // Retrieves an AssetFileDescriptor from the Contacts Provider, using the constructed // Uri afd = getActivity().getContentResolver().openAssetFileDescriptor(imageUri, "r"); // If the file exists if (afd != null) { // Reads the image from the file, decodes it, and scales it to the available screen // area return ImageLoader.decodeSampledBitmapFromDescriptor(afd.getFileDescriptor(), imageSize, imageSize); } } catch (FileNotFoundException e) { // Catches file not found exceptions if (BuildConfig.DEBUG) { // Log debug message, this is not an error message as this exception is thrown // when a contact is legitimately missing a contact photo (which will be quite // frequently in a long contacts list). Log.d(TAG, "Contact photo not found for contact " + contactUri.toString() + ": " + e.toString()); } } finally { // Once the decode is complete, this closes the file. You must do this each time you // access an AssetFileDescriptor; otherwise, every image load you do will open a new // descriptor. if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Ignore this. } } } // If none of the case selectors match, returns null. return null; }
From source file:learn2crack.activities.WnContactsListFragment.java
/** * Decodes and scales a contact's image from a file pointed to by a Uri in the contact's data, * and returns the result as a Bitmap. The column that contains the Uri varies according to the * platform version.// w w w .j a va 2 s.co m * * @param photoData For platforms prior to Android 3.0, provide the Contact._ID column value. * For Android 3.0 and later, provide the Contact.PHOTO_THUMBNAIL_URI value. * @param imageSize The desired target width and height of the output image in pixels. * @return A Bitmap containing the contact's image, resized to fit the provided image size. If * no thumbnail exists, returns null. */ private Bitmap loadContactPhotoThumbnail(String photoData, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is called in a // background thread, there's the possibility the Fragment is no longer attached and // added to an activity. If so, no need to spend resources loading the contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; // This "try" block catches an Exception if the file descriptor returned from the Contacts // Provider doesn't point to an existing file. try { Uri thumbUri; // If Android 3.0 or later, converts the Uri passed as a string to a Uri object. if (Utils.hasHoneycomb()) { thumbUri = Uri.parse(photoData); } else { // For versions prior to Android 3.0, appends the string argument to the content // Uri for the Contacts table. final Uri contactUri = Uri.withAppendedPath(Contacts.CONTENT_URI, photoData); // Appends the content Uri for the Contacts.Photo table to the previously // constructed contact Uri to yield a content URI for the thumbnail image thumbUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY); } // Retrieves a file descriptor from the Contacts Provider. To learn more about this // feature, read the reference documentation for // ContentResolver#openAssetFileDescriptor. afd = getActivity().getContentResolver().openAssetFileDescriptor(thumbUri, "r"); // Gets a FileDescriptor from the AssetFileDescriptor. A BitmapFactory object can // decode the contents of a file pointed to by a FileDescriptor into a Bitmap. FileDescriptor fileDescriptor = afd.getFileDescriptor(); if (fileDescriptor != null) { // Decodes a Bitmap from the image pointed to by the FileDescriptor, and scales it // to the specified width and height return ImageLoader.decodeSampledBitmapFromDescriptor(fileDescriptor, imageSize, imageSize); } } catch (FileNotFoundException e) { } finally { // If an AssetFileDescriptor was returned, try to close it if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Nothing extra is needed to handle this. } } } // If the decoding failed, returns null return null; }
From source file:com.haomee.chat.activity.ChatActivity.java
private void playBackgroundMusic(int resId) { try {//from www . java 2s . c o m if (mediaPlayer_background == null) { mediaPlayer_background = new MediaPlayer(); } mediaPlayer_background.reset(); AssetFileDescriptor afd = this.getResources().openRawResourceFd(resId); if (afd != null) { mediaPlayer_background.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength()); afd.close(); mediaPlayer_background.setLooping(false); mediaPlayer_background.prepare(); mediaPlayer_background.start(); } } catch (IOException e) { e.printStackTrace(); } }
From source file:android.com.example.contactslist.ui.ContactsListFragment.java
/** * Decodes and scales a contact's image from a file pointed to by a Uri in the contact's data, * and returns the result as a Bitmap. The column that contains the Uri varies according to the * platform version.//w w w.j a v a 2 s.com * * @param photoData For platforms prior to Android 3.0, provide the Contact._ID column value. * For Android 3.0 and later, provide the Contact.PHOTO_THUMBNAIL_URI value. * @param imageSize The desired target width and height of the output image in pixels. * @return A Bitmap containing the contact's image, resized to fit the provided image size. If * no thumbnail exists, returns null. */ private Bitmap loadContactPhotoThumbnail(String photoData, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is called in a // background thread, there's the possibility the Fragment is no longer attached and // added to an activity. If so, no need to spend resources loading the contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; // This "try" block catches an Exception if the file descriptor returned from the Contacts // Provider doesn't point to an existing file. try { Uri thumbUri; // If Android 3.0 or later, converts the Uri passed as a string to a Uri object. if (Utils.hasHoneycomb()) { thumbUri = Uri.parse(photoData); } else { // For versions prior to Android 3.0, appends the string argument to the content // Uri for the Contacts table. final Uri contactUri = Uri.withAppendedPath(Contacts.CONTENT_URI, photoData); // Appends the content Uri for the Contacts.Photo table to the previously // constructed contact Uri to yield a content URI for the thumbnail image thumbUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY); } // Retrieves a file descriptor from the Contacts Provider. To learn more about this // feature, read the reference documentation for // ContentResolver#openAssetFileDescriptor. afd = getActivity().getContentResolver().openAssetFileDescriptor(thumbUri, "r"); // Gets a FileDescriptor from the AssetFileDescriptor. A BitmapFactory object can // decode the contents of a file pointed to by a FileDescriptor into a Bitmap. FileDescriptor fileDescriptor = afd.getFileDescriptor(); if (fileDescriptor != null) { // Decodes a Bitmap from the image pointed to by the FileDescriptor, and scales it // to the specified width and height return ImageLoader.decodeSampledBitmapFromDescriptor(fileDescriptor, imageSize, imageSize); } } catch (FileNotFoundException e) { // If the file pointed to by the thumbnail URI doesn't exist, or the file can't be // opened in "read" mode, ContentResolver.openAssetFileDescriptor throws a // FileNotFoundException. if (BuildConfig.DEBUG) { Log.d(TAG, "Contact photo thumbnail not found for contact " + photoData + ": " + e.toString()); } } finally { // If an AssetFileDescriptor was returned, try to close it if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Nothing extra is needed to handle this. } } } // If the decoding failed, returns null return null; }
From source file:fr.jbteam.jabboid.core.ContactsListFragment.java
/** * Decodes and scales a contact's image from a file pointed to by a Uri in the contact's data, * and returns the result as a Bitmap. The column that contains the Uri varies according to the * platform version./*from w w w .j ava 2 s . co m*/ * * @param photoData For platforms prior to Android 3.0, provide the Contact._ID column value. * For Android 3.0 and later, provide the Contact.PHOTO_THUMBNAIL_URI value. * @param imageSize The desired target width and height of the output image in pixels. * @return A Bitmap containing the contact's image, resized to fit the provided image size. If * no thumbnail exists, returns null. */ private Bitmap loadContactPhotoThumbnail(String photoData, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is called in a // background thread, there's the possibility the Fragment is no longer attached and // added to an activity. If so, no need to spend resources loading the contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; // This "try" block catches an Exception if the file descriptor returned from the Contacts // Provider doesn't point to an existing file. try { Uri thumbUri; // If Android 3.0 or later, converts the Uri passed as a string to a Uri object. if (Utils.hasHoneycomb()) { thumbUri = Uri.parse(photoData); } else { // For versions prior to Android 3.0, appends the string argument to the content // Uri for the Contacts table. final Uri contactUri = Uri.withAppendedPath(Contacts.CONTENT_URI, photoData); // Appends the content Uri for the Contacts.Photo table to the previously // constructed contact Uri to yield a content URI for the thumbnail image thumbUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY); } // Retrieves a file descriptor from the Contacts Provider. To learn more about this // feature, read the reference documentation for // ContentResolver#openAssetFileDescriptor. afd = getActivity().getContentResolver().openAssetFileDescriptor(thumbUri, "r"); // Gets a FileDescriptor from the AssetFileDescriptor. A BitmapFactory object can // decode the contents of a file pointed to by a FileDescriptor into a Bitmap. FileDescriptor fileDescriptor = afd.getFileDescriptor(); if (fileDescriptor != null) { // Decodes a Bitmap from the image pointed to by the FileDescriptor, and scales it // to the specified width and height return ImageLoader.decodeSampledBitmapFromDescriptor(fileDescriptor, imageSize, imageSize); } } catch (FileNotFoundException e) { // If the file pointed to by the thumbnail URI doesn't exist, or the file can't be // opened in "read" mode, ContentResolver.openAssetFileDescriptor throws a // FileNotFoundException. /*if (BuildConfig.DEBUG) { Log.d(TAG, "Contact photo thumbnail not found for contact " + photoData + ": " + e.toString()); }*/ } finally { // If an AssetFileDescriptor was returned, try to close it if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Nothing extra is needed to handle this. } } } // If the decoding failed, returns null return null; }
From source file:net.nightwhistler.pageturner.activity.ReadingFragment.java
private void playBeep(boolean error) { if (!isAdded()) { return;//from ww w .j a v a2 s. c o m } try { MediaPlayer beepPlayer = new MediaPlayer(); String file = "beep.mp3"; if (error) { file = "error.mp3"; } AssetFileDescriptor descriptor = context.getAssets().openFd(file); beepPlayer.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength()); descriptor.close(); beepPlayer.prepare(); beepPlayer.start(); } catch (Exception io) { //We'll manage without the beep :) } }
From source file:br.com.mybaby.contatos.ContactsListFragment.java
/** * Decodes and scales a contact's image from a file pointed to by a Uri in the contact's data, * and returns the result as a Bitmap. The column that contains the Uri varies according to the * platform version./*from w w w.j a va 2s . c o m*/ * * @param photoData For platforms prior to Android 3.0, provide the Contact._ID column value. * For Android 3.0 and later, provide the Contact.PHOTO_THUMBNAIL_URI value. * @param imageSize The desired target width and height of the output image in pixels. * @return A Bitmap containing the contact's image, resized to fit the provided image size. If * no thumbnail exists, returns null. */ private Bitmap loadContactPhotoThumbnail(String photoData, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is called in a // background thread, there's the possibility the Fragment is no longer attached and // added to an activity. If so, no need to spend resources loading the contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; // This "try" block catches an Exception if the file descriptor returned from the Contacts // Provider doesn't point to an existing file. try { Uri thumbUri; // If Android 3.0 or later, converts the Uri passed as a string to a Uri object. if (Util.hasHoneycomb()) { thumbUri = Uri.parse(photoData); } else { // For versions prior to Android 3.0, appends the string argument to the content // Uri for the Contacts table. final Uri contactUri = Uri.withAppendedPath(Contacts.CONTENT_URI, photoData); // Appends the content Uri for the Contacts.Photo table to the previously // constructed contact Uri to yield a content URI for the thumbnail image thumbUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY); } // Retrieves a file descriptor from the Contacts Provider. To learn more about this // feature, read the reference documentation for // ContentResolver#openAssetFileDescriptor. afd = getActivity().getContentResolver().openAssetFileDescriptor(thumbUri, "r"); // Gets a FileDescriptor from the AssetFileDescriptor. A BitmapFactory object can // decode the contents of a file pointed to by a FileDescriptor into a Bitmap. FileDescriptor fileDescriptor = afd.getFileDescriptor(); if (fileDescriptor != null) { // Decodes a Bitmap from the image pointed to by the FileDescriptor, and scales it // to the specified width and height return ImageLoader.decodeSampledBitmapFromDescriptor(fileDescriptor, imageSize, imageSize); } } catch (FileNotFoundException e) { // If the file pointed to by the thumbnail URI doesn't exist, or the file can't be // opened in "read" mode, ContentResolver.openAssetFileDescriptor throws a // FileNotFoundException. if (BuildConfig.DEBUG) { Log.d(TAG, "Contact photo thumbnail not found for contact " + photoData + ": " + e.toString()); } } finally { // If an AssetFileDescriptor was returned, try to close it if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if the file is // already closed. Nothing extra is needed to handle this. } } } // If the decoding failed, returns null return null; }
From source file:com.forktech.cmerge.ui.ContactsListFragment.java
/** * Decodes and scales a contact's image from a file pointed to by a Uri in * the contact's data, and returns the result as a Bitmap. The column that * contains the Uri varies according to the platform version. * * @param photoData/*from w w w .jav a 2 s . c o m*/ * For platforms prior to Android 3.0, provide the Contact._ID * column value. For Android 3.0 and later, provide the * Contact.PHOTO_THUMBNAIL_URI value. * @param imageSize * The desired target width and height of the output image in * pixels. * @return A Bitmap containing the contact's image, resized to fit the * provided image size. If no thumbnail exists, returns null. */ private Bitmap loadContactPhotoThumbnail(String photoData, int imageSize) { // Ensures the Fragment is still added to an activity. As this method is // called in a // background thread, there's the possibility the Fragment is no longer // attached and // added to an activity. If so, no need to spend resources loading the // contact photo. if (!isAdded() || getActivity() == null) { return null; } // Instantiates an AssetFileDescriptor. Given a content Uri pointing to // an image file, the // ContentResolver can return an AssetFileDescriptor for the file. AssetFileDescriptor afd = null; // This "try" block catches an Exception if the file descriptor returned // from the Contacts // Provider doesn't point to an existing file. try { Uri thumbUri; // If Android 3.0 or later, converts the Uri passed as a string to a // Uri object. if (Utils.hasHoneycomb()) { thumbUri = Uri.parse(photoData); } else { // For versions prior to Android 3.0, appends the string // argument to the content // Uri for the Contacts table. final Uri contactUri = Uri.withAppendedPath(Contacts.CONTENT_URI, photoData); // Appends the content Uri for the Contacts.Photo table to the // previously // constructed contact Uri to yield a content URI for the // thumbnail image thumbUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY); } // Retrieves a file descriptor from the Contacts Provider. To learn // more about this // feature, read the reference documentation for // ContentResolver#openAssetFileDescriptor. afd = getActivity().getContentResolver().openAssetFileDescriptor(thumbUri, "r"); // Gets a FileDescriptor from the AssetFileDescriptor. A // BitmapFactory object can // decode the contents of a file pointed to by a FileDescriptor into // a Bitmap. FileDescriptor fileDescriptor = afd.getFileDescriptor(); if (fileDescriptor != null) { // Decodes a Bitmap from the image pointed to by the // FileDescriptor, and scales it // to the specified width and height return ImageLoader.decodeSampledBitmapFromDescriptor(fileDescriptor, imageSize, imageSize); } } catch (FileNotFoundException e) { // If the file pointed to by the thumbnail URI doesn't exist, or the // file can't be // opened in "read" mode, ContentResolver.openAssetFileDescriptor // throws a // FileNotFoundException. if (BuildConfig.DEBUG) { Log.d(TAG, "Contact photo thumbnail not found for contact " + photoData + ": " + e.toString()); } } finally { // If an AssetFileDescriptor was returned, try to close it if (afd != null) { try { afd.close(); } catch (IOException e) { // Closing a file descriptor might cause an IOException if // the file is // already closed. Nothing extra is needed to handle this. } } } // If the decoding failed, returns null return null; }