Add module for file picker for camera and gallery uploads (#2375)

* Use easy image for image picker

* Do not use harcoded mime type

* Use uploadable file for image uploads

* Add picker files in filepicker module

* Remove redundant checks for file

* Make usage of file extensions consistent

* Add javadocs

* Fix tests

* Enable image upload using bookmark activity

* Fix multiple uploads

* Fix external image uploads

* Fix chooser intents

* Fix image quality checks

* Segregate internal and external upload intents

* Invoke all error messages from one place

* Minor changes

* Fix tests

* Add image processing service tests
This commit is contained in:
Vivek Maskara 2019-02-04 02:10:31 +05:30 committed by neslihanturan
parent fb5a40bba5
commit 52ab39381e
39 changed files with 1553 additions and 574 deletions

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package fr.free.nrw.commons.filepicker;
public interface Constants {
String DEFAULT_FOLDER_NAME = "CommonsContributions";
interface RequestCodes {
int FILE_PICKER_IMAGE_IDENTIFICATOR = 0b1101101100; //876
int SOURCE_CHOOSER = 1 << 15;
int PICK_PICTURE_FROM_DOCUMENTS = FILE_PICKER_IMAGE_IDENTIFICATOR + (1 << 11);
int PICK_PICTURE_FROM_GALLERY = FILE_PICKER_IMAGE_IDENTIFICATOR + (1 << 12);
int TAKE_PICTURE = FILE_PICKER_IMAGE_IDENTIFICATOR + (1 << 13);
int CAPTURE_VIDEO = FILE_PICKER_IMAGE_IDENTIFICATOR + (1 << 14);
}
interface BundleKeys {
String FOLDER_NAME = "fr.free.nrw.commons.folder_name";
String ALLOW_MULTIPLE = "fr.free.nrw.commons.allow_multiple";
String COPY_TAKEN_PHOTOS = "fr.free.nrw.commons.copy_taken_photos";
String COPY_PICKED_IMAGES = "fr.free.nrw.commons.copy_picked_images";
}
}

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package fr.free.nrw.commons.filepicker;
public abstract class DefaultCallback implements FilePicker.Callbacks {
@Override
public void onImagePickerError(Exception e, FilePicker.ImageSource source, int type) {
}
@Override
public void onCanceled(FilePicker.ImageSource source, int type) {
}
}

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package fr.free.nrw.commons.filepicker;
import android.support.v4.content.FileProvider;
public class ExtendedFileProvider extends FileProvider {
}

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package fr.free.nrw.commons.filepicker;
import android.app.Activity;
import android.content.ClipData;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Parcelable;
import android.preference.PreferenceManager;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import static fr.free.nrw.commons.filepicker.PickedFiles.singleFileList;
@SuppressWarnings({"unused", "FieldCanBeLocal", "ResultOfMethodCallIgnored"})
public class FilePicker implements Constants {
private static final boolean SHOW_GALLERY_IN_CHOOSER = false;
private static final String KEY_PHOTO_URI = "photo_uri";
private static final String KEY_VIDEO_URI = "video_uri";
private static final String KEY_LAST_CAMERA_PHOTO = "last_photo";
private static final String KEY_LAST_CAMERA_VIDEO = "last_video";
private static final String KEY_TYPE = "type";
private static Uri createCameraPictureFile(@NonNull Context context) throws IOException {
File imagePath = PickedFiles.getCameraPicturesLocation(context);
Uri uri = PickedFiles.getUriToFile(context, imagePath);
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
editor.putString(KEY_PHOTO_URI, uri.toString());
editor.putString(KEY_LAST_CAMERA_PHOTO, imagePath.toString());
editor.apply();
return uri;
}
private static Uri createCameraVideoFile(@NonNull Context context) throws IOException {
File imagePath = PickedFiles.getCameraVideoLocation(context);
Uri uri = PickedFiles.getUriToFile(context, imagePath);
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
editor.putString(KEY_VIDEO_URI, uri.toString());
editor.putString(KEY_LAST_CAMERA_VIDEO, imagePath.toString());
editor.apply();
return uri;
}
private static Intent createDocumentsIntent(@NonNull Context context, int type) {
storeType(context, type);
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("image/*");
return intent;
}
private static Intent createGalleryIntent(@NonNull Context context, int type) {
storeType(context, type);
Intent intent = plainGalleryPickerIntent();
if (Build.VERSION.SDK_INT >= 18) {
intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, configuration(context).allowsMultiplePickingInGallery());
}
return intent;
}
private static Intent createCameraForImageIntent(@NonNull Context context, int type) {
storeType(context, type);
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
try {
Uri capturedImageUri = createCameraPictureFile(context);
//We have to explicitly grant the write permission since Intent.setFlag works only on API Level >=20
grantWritePermission(context, intent, capturedImageUri);
intent.putExtra(MediaStore.EXTRA_OUTPUT, capturedImageUri);
} catch (Exception e) {
e.printStackTrace();
}
return intent;
}
private static Intent createCameraForVideoIntent(@NonNull Context context, int type) {
storeType(context, type);
Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
try {
Uri capturedImageUri = createCameraVideoFile(context);
//We have to explicitly grant the write permission since Intent.setFlag works only on API Level >=20
grantWritePermission(context, intent, capturedImageUri);
intent.putExtra(MediaStore.EXTRA_OUTPUT, capturedImageUri);
} catch (Exception e) {
e.printStackTrace();
}
return intent;
}
private static void revokeWritePermission(@NonNull Context context, Uri uri) {
context.revokeUriPermission(uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
private static void grantWritePermission(@NonNull Context context, Intent intent, Uri uri) {
List<ResolveInfo> resInfoList = context.getPackageManager().queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
for (ResolveInfo resolveInfo : resInfoList) {
String packageName = resolveInfo.activityInfo.packageName;
context.grantUriPermission(packageName, uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
}
private static Intent createChooserIntent(@NonNull Context context, @Nullable String chooserTitle, int type) throws IOException {
return createChooserIntent(context, chooserTitle, SHOW_GALLERY_IN_CHOOSER, type);
}
private static Intent createChooserIntent(@NonNull Context context, @Nullable String chooserTitle, boolean showGallery, int type) throws IOException {
storeType(context, type);
Uri outputFileUri = createCameraPictureFile(context);
List<Intent> cameraIntents = new ArrayList<>();
Intent captureIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
PackageManager packageManager = context.getPackageManager();
List<ResolveInfo> camList = packageManager.queryIntentActivities(captureIntent, 0);
for (ResolveInfo res : camList) {
final String packageName = res.activityInfo.packageName;
final Intent intent = new Intent(captureIntent);
intent.setComponent(new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
intent.setPackage(packageName);
intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
grantWritePermission(context, intent, outputFileUri);
cameraIntents.add(intent);
}
Intent galleryIntent;
if (showGallery) {
galleryIntent = createGalleryIntent(context, type);
} else {
galleryIntent = createDocumentsIntent(context, type);
}
Intent chooserIntent = Intent.createChooser(galleryIntent, chooserTitle);
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[cameraIntents.size()]));
return chooserIntent;
}
private static void storeType(@NonNull Context context, int type) {
PreferenceManager.getDefaultSharedPreferences(context).edit().putInt(KEY_TYPE, type).commit();
}
private static int restoreType(@NonNull Context context) {
return PreferenceManager.getDefaultSharedPreferences(context).getInt(KEY_TYPE, 0);
}
public static void openChooserWithDocuments(Activity activity, @Nullable String chooserTitle, int type) {
try {
Intent intent = createChooserIntent(activity, chooserTitle, type);
activity.startActivityForResult(intent, RequestCodes.SOURCE_CHOOSER | RequestCodes.PICK_PICTURE_FROM_DOCUMENTS);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void openChooserWithDocuments(Fragment fragment, @Nullable String chooserTitle, int type) {
try {
Intent intent = createChooserIntent(fragment.getActivity(), chooserTitle, type);
fragment.startActivityForResult(intent, RequestCodes.SOURCE_CHOOSER | RequestCodes.PICK_PICTURE_FROM_DOCUMENTS);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void openChooserWithDocuments(android.app.Fragment fragment, @Nullable String chooserTitle, int type) {
try {
Intent intent = createChooserIntent(fragment.getActivity(), chooserTitle, type);
fragment.startActivityForResult(intent, RequestCodes.SOURCE_CHOOSER | RequestCodes.PICK_PICTURE_FROM_DOCUMENTS);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void openChooserWithGallery(Activity activity, @Nullable String chooserTitle, int type) {
try {
Intent intent = createChooserIntent(activity, chooserTitle, true, type);
activity.startActivityForResult(intent, RequestCodes.SOURCE_CHOOSER | RequestCodes.PICK_PICTURE_FROM_GALLERY);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void openChooserWithGallery(Fragment fragment, @Nullable String chooserTitle, int type) {
try {
Intent intent = createChooserIntent(fragment.getActivity(), chooserTitle, true, type);
fragment.startActivityForResult(intent, RequestCodes.SOURCE_CHOOSER | RequestCodes.PICK_PICTURE_FROM_GALLERY);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void openChooserWithGallery(android.app.Fragment fragment, @Nullable String chooserTitle, int type) {
try {
Intent intent = createChooserIntent(fragment.getActivity(), chooserTitle, true, type);
fragment.startActivityForResult(intent, RequestCodes.SOURCE_CHOOSER | RequestCodes.PICK_PICTURE_FROM_GALLERY);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void openDocuments(Activity activity, int type) {
Intent intent = createDocumentsIntent(activity, type);
activity.startActivityForResult(intent, RequestCodes.PICK_PICTURE_FROM_DOCUMENTS);
}
public static void openDocuments(Fragment fragment, int type) {
Intent intent = createDocumentsIntent(fragment.getContext(), type);
fragment.startActivityForResult(intent, RequestCodes.PICK_PICTURE_FROM_DOCUMENTS);
}
public static void openDocuments(android.app.Fragment fragment, int type) {
Intent intent = createDocumentsIntent(fragment.getActivity(), type);
fragment.startActivityForResult(intent, RequestCodes.PICK_PICTURE_FROM_DOCUMENTS);
}
/**
* Opens default galery or a available galleries picker if there is no default
*
* @param type Custom type of your choice, which will be returned with the images
*/
public static void openGallery(Activity activity, int type) {
Intent intent = createGalleryIntent(activity, type);
activity.startActivityForResult(intent, RequestCodes.PICK_PICTURE_FROM_GALLERY);
}
/**
* Opens default galery or a available galleries picker if there is no default
*
* @param type Custom type of your choice, which will be returned with the images
*/
public static void openGallery(Fragment fragment, int type) {
Intent intent = createGalleryIntent(fragment.getContext(), type);
fragment.startActivityForResult(intent, RequestCodes.PICK_PICTURE_FROM_GALLERY);
}
/**
* Opens default galery or a available galleries picker if there is no default
*
* @param type Custom type of your choice, which will be returned with the images
*/
public static void openGallery(android.app.Fragment fragment, int type) {
Intent intent = createGalleryIntent(fragment.getActivity(), type);
fragment.startActivityForResult(intent, RequestCodes.PICK_PICTURE_FROM_GALLERY);
}
public static void openCameraForImage(Activity activity, int type) {
Intent intent = createCameraForImageIntent(activity, type);
activity.startActivityForResult(intent, RequestCodes.TAKE_PICTURE);
}
public static void openCameraForImage(Fragment fragment, int type) {
Intent intent = createCameraForImageIntent(fragment.getActivity(), type);
fragment.startActivityForResult(intent, RequestCodes.TAKE_PICTURE);
}
public static void openCameraForImage(android.app.Fragment fragment, int type) {
Intent intent = createCameraForImageIntent(fragment.getActivity(), type);
fragment.startActivityForResult(intent, RequestCodes.TAKE_PICTURE);
}
public static void openCameraForVideo(Activity activity, int type) {
Intent intent = createCameraForVideoIntent(activity, type);
activity.startActivityForResult(intent, RequestCodes.CAPTURE_VIDEO);
}
public static void openCameraForVideo(Fragment fragment, int type) {
Intent intent = createCameraForVideoIntent(fragment.getActivity(), type);
fragment.startActivityForResult(intent, RequestCodes.CAPTURE_VIDEO);
}
public static void openCameraForVideo(android.app.Fragment fragment, int type) {
Intent intent = createCameraForVideoIntent(fragment.getActivity(), type);
fragment.startActivityForResult(intent, RequestCodes.CAPTURE_VIDEO);
}
@Nullable
private static File takenCameraPicture(Context context) throws IOException, URISyntaxException {
String lastCameraPhoto = PreferenceManager.getDefaultSharedPreferences(context).getString(KEY_LAST_CAMERA_PHOTO, null);
if (lastCameraPhoto != null) {
return new File(lastCameraPhoto);
} else {
return null;
}
}
@Nullable
private static File takenCameraVideo(Context context) throws IOException, URISyntaxException {
String lastCameraPhoto = PreferenceManager.getDefaultSharedPreferences(context).getString(KEY_LAST_CAMERA_VIDEO, null);
if (lastCameraPhoto != null) {
return new File(lastCameraPhoto);
} else {
return null;
}
}
public static void handleActivityResult(int requestCode, int resultCode, Intent data, Activity activity, @NonNull FilePicker.Callbacks callbacks) {
boolean isHandledPickedFile = (requestCode & RequestCodes.FILE_PICKER_IMAGE_IDENTIFICATOR) > 0;
if (isHandledPickedFile) {
requestCode &= ~RequestCodes.SOURCE_CHOOSER;
if (requestCode == RequestCodes.PICK_PICTURE_FROM_GALLERY ||
requestCode == RequestCodes.TAKE_PICTURE ||
requestCode == RequestCodes.CAPTURE_VIDEO ||
requestCode == RequestCodes.PICK_PICTURE_FROM_DOCUMENTS) {
if (resultCode == Activity.RESULT_OK) {
if (requestCode == RequestCodes.PICK_PICTURE_FROM_DOCUMENTS && !isPhoto(data)) {
onPictureReturnedFromDocuments(data, activity, callbacks);
} else if (requestCode == RequestCodes.PICK_PICTURE_FROM_GALLERY && !isPhoto(data)) {
onPictureReturnedFromGallery(data, activity, callbacks);
} else if (requestCode == RequestCodes.TAKE_PICTURE) {
onPictureReturnedFromCamera(activity, callbacks);
} else if (requestCode == RequestCodes.CAPTURE_VIDEO) {
onVideoReturnedFromCamera(activity, callbacks);
} else if (isPhoto(data)) {
onPictureReturnedFromCamera(activity, callbacks);
} else {
onPictureReturnedFromDocuments(data, activity, callbacks);
}
} else {
if (requestCode == RequestCodes.PICK_PICTURE_FROM_DOCUMENTS) {
callbacks.onCanceled(FilePicker.ImageSource.DOCUMENTS, restoreType(activity));
} else if (requestCode == RequestCodes.PICK_PICTURE_FROM_GALLERY) {
callbacks.onCanceled(FilePicker.ImageSource.GALLERY, restoreType(activity));
} else {
callbacks.onCanceled(FilePicker.ImageSource.CAMERA_IMAGE, restoreType(activity));
}
}
}
}
}
public static List<File> handleExternalImagesPicked(Intent data, Activity activity) {
try {
return getFilesFromGalleryPictures(data, activity);
} catch (IOException e) {
e.printStackTrace();
}
return new ArrayList<>();
}
private static boolean isPhoto(Intent data) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
return data == null || (data.getData() == null && data.getClipData() == null);
} else {
return data == null || (data.getData() == null);
}
}
public static boolean willHandleActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == RequestCodes.SOURCE_CHOOSER || requestCode == RequestCodes.PICK_PICTURE_FROM_GALLERY || requestCode == RequestCodes.TAKE_PICTURE || requestCode == RequestCodes.PICK_PICTURE_FROM_DOCUMENTS) {
return true;
}
return false;
}
private static Intent plainGalleryPickerIntent() {
return new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
}
public static boolean canDeviceHandleGallery(@NonNull Context context) {
return plainGalleryPickerIntent().resolveActivity(context.getPackageManager()) != null;
}
/**
* @param context context
* @return File containing lastly taken (using camera) photo. Returns null if there was no photo taken or it doesn't exist anymore.
*/
public static File lastlyTakenButCanceledPhoto(@NonNull Context context) {
String filePath = PreferenceManager.getDefaultSharedPreferences(context).getString(KEY_LAST_CAMERA_PHOTO, null);
if (filePath == null) return null;
File file = new File(filePath);
if (file.exists()) {
return file;
} else {
return null;
}
}
public static File lastlyTakenButCanceledVideo(@NonNull Context context) {
String filePath = PreferenceManager.getDefaultSharedPreferences(context).getString(KEY_LAST_CAMERA_VIDEO, null);
if (filePath == null) return null;
File file = new File(filePath);
if (file.exists()) {
return file;
} else {
return null;
}
}
private static void onPictureReturnedFromDocuments(Intent data, Activity activity, @NonNull FilePicker.Callbacks callbacks) {
try {
Uri photoPath = data.getData();
File photoFile = PickedFiles.pickedExistingPicture(activity, photoPath);
callbacks.onImagesPicked(singleFileList(photoFile), FilePicker.ImageSource.DOCUMENTS, restoreType(activity));
if (configuration(activity).shouldCopyPickedImagesToPublicGalleryAppFolder()) {
PickedFiles.copyFilesInSeparateThread(activity, singleFileList(photoFile));
}
} catch (Exception e) {
e.printStackTrace();
callbacks.onImagePickerError(e, FilePicker.ImageSource.DOCUMENTS, restoreType(activity));
}
}
private static void onPictureReturnedFromGallery(Intent data, Activity activity, @NonNull FilePicker.Callbacks callbacks) {
try {
List<File> files = getFilesFromGalleryPictures(data, activity);
callbacks.onImagesPicked(files, FilePicker.ImageSource.GALLERY, restoreType(activity));
} catch (Exception e) {
e.printStackTrace();
callbacks.onImagePickerError(e, FilePicker.ImageSource.GALLERY, restoreType(activity));
}
}
private static List<File> getFilesFromGalleryPictures(Intent data, Activity activity) throws IOException {
List<File> files = new ArrayList<>();
ClipData clipData = null;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
clipData = data.getClipData();
}
if (clipData == null) {
Uri uri = data.getData();
File file = PickedFiles.pickedExistingPicture(activity, uri);
files.add(file);
} else {
for (int i = 0; i < clipData.getItemCount(); i++) {
Uri uri = clipData.getItemAt(i).getUri();
File file = PickedFiles.pickedExistingPicture(activity, uri);
files.add(file);
}
}
if (configuration(activity).shouldCopyPickedImagesToPublicGalleryAppFolder()) {
PickedFiles.copyFilesInSeparateThread(activity, files);
}
return files;
}
private static void onPictureReturnedFromCamera(Activity activity, @NonNull FilePicker.Callbacks callbacks) {
try {
String lastImageUri = PreferenceManager.getDefaultSharedPreferences(activity).getString(KEY_PHOTO_URI, null);
if (!TextUtils.isEmpty(lastImageUri)) {
revokeWritePermission(activity, Uri.parse(lastImageUri));
}
File photoFile = FilePicker.takenCameraPicture(activity);
List<File> files = new ArrayList<>();
files.add(photoFile);
if (photoFile == null) {
Exception e = new IllegalStateException("Unable to get the picture returned from camera");
callbacks.onImagePickerError(e, FilePicker.ImageSource.CAMERA_IMAGE, restoreType(activity));
} else {
if (configuration(activity).shouldCopyTakenPhotosToPublicGalleryAppFolder()) {
PickedFiles.copyFilesInSeparateThread(activity, singleFileList(photoFile));
}
callbacks.onImagesPicked(files, FilePicker.ImageSource.CAMERA_IMAGE, restoreType(activity));
}
PreferenceManager.getDefaultSharedPreferences(activity)
.edit()
.remove(KEY_LAST_CAMERA_PHOTO)
.remove(KEY_PHOTO_URI)
.apply();
} catch (Exception e) {
e.printStackTrace();
callbacks.onImagePickerError(e, FilePicker.ImageSource.CAMERA_IMAGE, restoreType(activity));
}
}
private static void onVideoReturnedFromCamera(Activity activity, @NonNull FilePicker.Callbacks callbacks) {
try {
String lastVideoUri = PreferenceManager.getDefaultSharedPreferences(activity).getString(KEY_VIDEO_URI, null);
if (!TextUtils.isEmpty(lastVideoUri)) {
revokeWritePermission(activity, Uri.parse(lastVideoUri));
}
File photoFile = FilePicker.takenCameraVideo(activity);
List<File> files = new ArrayList<>();
files.add(photoFile);
if (photoFile == null) {
Exception e = new IllegalStateException("Unable to get the video returned from camera");
callbacks.onImagePickerError(e, FilePicker.ImageSource.CAMERA_VIDEO, restoreType(activity));
} else {
if (configuration(activity).shouldCopyTakenPhotosToPublicGalleryAppFolder()) {
PickedFiles.copyFilesInSeparateThread(activity, singleFileList(photoFile));
}
callbacks.onImagesPicked(files, FilePicker.ImageSource.CAMERA_VIDEO, restoreType(activity));
}
PreferenceManager.getDefaultSharedPreferences(activity)
.edit()
.remove(KEY_LAST_CAMERA_VIDEO)
.remove(KEY_VIDEO_URI)
.apply();
} catch (Exception e) {
e.printStackTrace();
callbacks.onImagePickerError(e, FilePicker.ImageSource.CAMERA_VIDEO, restoreType(activity));
}
}
/**
* Method to clear configuration. Would likely be used in onDestroy(), onDestroyView()...
*
* @param context context
*/
public static void clearConfiguration(@NonNull Context context) {
PreferenceManager.getDefaultSharedPreferences(context).edit()
.remove(BundleKeys.FOLDER_NAME)
.remove(BundleKeys.ALLOW_MULTIPLE)
.remove(BundleKeys.COPY_TAKEN_PHOTOS)
.remove(BundleKeys.COPY_PICKED_IMAGES)
.apply();
}
public static FilePickerConfiguration configuration(@NonNull Context context) {
return new FilePickerConfiguration(context);
}
public enum ImageSource {
GALLERY, DOCUMENTS, CAMERA_IMAGE, CAMERA_VIDEO
}
public interface Callbacks {
void onImagePickerError(Exception e, FilePicker.ImageSource source, int type);
void onImagesPicked(@NonNull List<File> imageFiles, FilePicker.ImageSource source, int type);
void onCanceled(FilePicker.ImageSource source, int type);
}
}

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package fr.free.nrw.commons.filepicker;
import android.content.Context;
import android.preference.PreferenceManager;
public class FilePickerConfiguration implements Constants {
private Context context;
FilePickerConfiguration(Context context) {
this.context = context;
}
public FilePickerConfiguration setImagesFolderName(String folderName) {
PreferenceManager.getDefaultSharedPreferences(context)
.edit().putString(BundleKeys.FOLDER_NAME, folderName)
.commit();
return this;
}
public FilePickerConfiguration setAllowMultiplePickInGallery(boolean allowMultiple) {
PreferenceManager.getDefaultSharedPreferences(context).edit()
.putBoolean(BundleKeys.ALLOW_MULTIPLE, allowMultiple)
.commit();
return this;
}
public FilePickerConfiguration setCopyTakenPhotosToPublicGalleryAppFolder(boolean copy) {
PreferenceManager.getDefaultSharedPreferences(context).edit()
.putBoolean(BundleKeys.COPY_TAKEN_PHOTOS, copy)
.commit();
return this;
}
public FilePickerConfiguration setCopyPickedImagesToPublicGalleryAppFolder(boolean copy) {
PreferenceManager.getDefaultSharedPreferences(context).edit()
.putBoolean(BundleKeys.COPY_PICKED_IMAGES, copy)
.commit();
return this;
}
public String getFolderName() {
return PreferenceManager.getDefaultSharedPreferences(context).getString(BundleKeys.FOLDER_NAME, DEFAULT_FOLDER_NAME);
}
public boolean allowsMultiplePickingInGallery() {
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(BundleKeys.ALLOW_MULTIPLE, false);
}
public boolean shouldCopyTakenPhotosToPublicGalleryAppFolder() {
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(BundleKeys.COPY_TAKEN_PHOTOS, false);
}
public boolean shouldCopyPickedImagesToPublicGalleryAppFolder() {
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(BundleKeys.COPY_PICKED_IMAGES, false);
}
}

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package fr.free.nrw.commons.filepicker;
import android.webkit.MimeTypeMap;
import com.facebook.common.internal.ImmutableMap;
import java.util.Map;
public class MimeTypeMapWrapper {
private static final MimeTypeMap sMimeTypeMap = MimeTypeMap.getSingleton();
private static final Map<String, String> sMimeTypeToExtensionMap =
ImmutableMap.of(
"image/heif", "heif",
"image/heic", "heic");
private static final Map<String, String> sExtensionToMimeTypeMap =
ImmutableMap.of(
"heif", "image/heif",
"heic", "image/heic");
public static String getExtensionFromMimeType(String mimeType) {
String result = sMimeTypeToExtensionMap.get(mimeType);
if (result != null) {
return result;
}
return sMimeTypeMap.getExtensionFromMimeType(mimeType);
}
public static String getMimeTypeFromExtension(String extension) {
String result = sExtensionToMimeTypeMap.get(extension);
if (result != null) {
return result;
}
return sMimeTypeMap.getMimeTypeFromExtension(extension);
}
public static boolean hasExtension(String extension) {
return sExtensionToMimeTypeMap.containsKey(extension) || sMimeTypeMap.hasExtension(extension);
}
public static boolean hasMimeType(String mimeType) {
return sMimeTypeToExtensionMap.containsKey(mimeType) || sMimeTypeMap.hasMimeType(mimeType);
}
}

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package fr.free.nrw.commons.filepicker;
import android.content.ContentResolver;
import android.content.Context;
import android.media.MediaScannerConnection;
import android.net.Uri;
import android.os.Environment;
import android.support.annotation.NonNull;
import android.support.v4.content.FileProvider;
import android.util.Log;
import android.webkit.MimeTypeMap;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.UUID;
class PickedFiles implements Constants {
private static String getFolderName(@NonNull Context context) {
return FilePicker.configuration(context).getFolderName();
}
private static File tempImageDirectory(@NonNull Context context) {
File privateTempDir = new File(context.getCacheDir(), DEFAULT_FOLDER_NAME);
if (!privateTempDir.exists()) privateTempDir.mkdirs();
return privateTempDir;
}
private static void writeToFile(InputStream in, File file) {
try {
OutputStream out = new FileOutputStream(file);
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
out.close();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
}
private static void copyFile(File src, File dst) throws IOException {
InputStream in = new FileInputStream(src);
writeToFile(in, dst);
}
static void copyFilesInSeparateThread(final Context context, final List<File> filesToCopy) {
new Thread(new Runnable() {
@Override
public void run() {
List<File> copiedFiles = new ArrayList<>();
int i = 1;
for (File fileToCopy : filesToCopy) {
File dstDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), getFolderName(context));
if (!dstDir.exists()) dstDir.mkdirs();
String[] filenameSplit = fileToCopy.getName().split("\\.");
String extension = "." + filenameSplit[filenameSplit.length - 1];
String filename = String.format("IMG_%s_%d.%s", new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime()), i, extension);
File dstFile = new File(dstDir, filename);
try {
dstFile.createNewFile();
copyFile(fileToCopy, dstFile);
copiedFiles.add(dstFile);
} catch (IOException e) {
e.printStackTrace();
}
i++;
}
scanCopiedImages(context, copiedFiles);
}
}).run();
}
static List<File> singleFileList(File file) {
List<File> list = new ArrayList<>();
list.add(file);
return list;
}
static void scanCopiedImages(Context context, List<File> copiedImages) {
String[] paths = new String[copiedImages.size()];
for (int i = 0; i < copiedImages.size(); i++) {
paths[i] = copiedImages.get(i).toString();
}
MediaScannerConnection.scanFile(context,
paths, null,
new MediaScannerConnection.OnScanCompletedListener() {
public void onScanCompleted(String path, Uri uri) {
Log.d(getClass().getSimpleName(), "Scanned " + path + ":");
Log.d(getClass().getSimpleName(), "-> uri=" + uri);
}
});
}
static File pickedExistingPicture(@NonNull Context context, Uri photoUri) throws IOException {
InputStream pictureInputStream = context.getContentResolver().openInputStream(photoUri);
File directory = tempImageDirectory(context);
File photoFile = new File(directory, UUID.randomUUID().toString() + "." + getMimeType(context, photoUri));
photoFile.createNewFile();
writeToFile(pictureInputStream, photoFile);
return photoFile;
}
static File getCameraPicturesLocation(@NonNull Context context) throws IOException {
File dir = tempImageDirectory(context);
return File.createTempFile(UUID.randomUUID().toString(), ".jpg", dir);
}
static File getCameraVideoLocation(@NonNull Context context) throws IOException {
File dir = tempImageDirectory(context);
return File.createTempFile(UUID.randomUUID().toString(), ".mp4", dir);
}
/**
* To find out the extension of required object in given uri
* Solution by http://stackoverflow.com/a/36514823/1171484
*/
private static String getMimeType(@NonNull Context context, @NonNull Uri uri) {
String extension;
//Check uri format to avoid null
if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) {
//If scheme is a content
extension = MimeTypeMapWrapper.getExtensionFromMimeType(context.getContentResolver().getType(uri));
} else {
//If scheme is a File
//This will replace white spaces with %20 and also other special characters. This will avoid returning null values on file name with spaces and special characters.
extension = MimeTypeMap.getFileExtensionFromUrl(Uri.fromFile(new File(uri.getPath())).toString());
}
return extension;
}
static Uri getUriToFile(@NonNull Context context, @NonNull File file) {
String packageName = context.getApplicationContext().getPackageName();
String authority = packageName + ".provider";
return FileProvider.getUriForFile(context, authority, file);
}
}