/*
* Copyright (C) 2009 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.odk.collect.android.utilities;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.odk.collect.android.application.Collect;
import android.annotation.SuppressLint;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.MediaStore;
import android.provider.MediaStore.Audio;
import android.provider.MediaStore.Images;
import android.provider.MediaStore.Video;
import android.util.Log;
/**
* Consolidate all interactions with media providers here.
*
* The functionality of getPath() was provided by paulburke as described here:
* See
* http://stackoverflow.com/questions/20067508/get-real-path-from-uri-android
* -kitkat-new-storage-access-framework for details
*
* @author mitchellsundt@gmail.com
* @author paulburke
*
*
*/
public class MediaUtils {
private static final String t = "MediaUtils";
private static String escapePath(String path) {
String ep = path;
ep = ep.replaceAll("\\!", "!!");
ep = ep.replaceAll("_", "!_");
ep = ep.replaceAll("%", "!%");
return ep;
}
public static final Uri getImageUriFromMediaProvider(String imageFile) {
String selection = Images.ImageColumns.DATA + "=?";
String[] selectArgs = { imageFile };
String[] projection = { Images.ImageColumns._ID };
Cursor c = null;
try {
c = Collect
.getInstance()
.getContentResolver()
.query(android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
projection, selection, selectArgs, null);
if (c.getCount() > 0) {
c.moveToFirst();
String id = c.getString(c
.getColumnIndex(Images.ImageColumns._ID));
return Uri
.withAppendedPath(
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
id);
}
return null;
} finally {
if (c != null) {
c.close();
}
}
}
public static final int deleteImageFileFromMediaProvider(String imageFile) {
ContentResolver cr = Collect.getInstance().getContentResolver();
// images
int count = 0;
Cursor imageCursor = null;
try {
String select = Images.Media.DATA + "=?";
String[] selectArgs = { imageFile };
String[] projection = { Images.ImageColumns._ID };
imageCursor = cr
.query(android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
projection, select, selectArgs, null);
if (imageCursor.getCount() > 0) {
imageCursor.moveToFirst();
List<Uri> imagesToDelete = new ArrayList<Uri>();
do {
String id = imageCursor.getString(imageCursor
.getColumnIndex(Images.ImageColumns._ID));
imagesToDelete
.add(Uri.withAppendedPath(
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
id));
} while (imageCursor.moveToNext());
for (Uri uri : imagesToDelete) {
Log.i(t, "attempting to delete: " + uri);
count += cr.delete(uri, null, null);
}
}
} catch (Exception e) {
Log.e(t, e.toString());
} finally {
if (imageCursor != null) {
imageCursor.close();
}
}
File f = new File(imageFile);
if (f.exists()) {
f.delete();
}
return count;
}
public static final int deleteImagesInFolderFromMediaProvider(File folder) {
ContentResolver cr = Collect.getInstance().getContentResolver();
// images
int count = 0;
Cursor imageCursor = null;
try {
String select = Images.Media.DATA + " like ? escape '!'";
String[] selectArgs = { escapePath(folder.getAbsolutePath()) };
String[] projection = { Images.ImageColumns._ID };
imageCursor = cr
.query(android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
projection, select, selectArgs, null);
if (imageCursor.getCount() > 0) {
imageCursor.moveToFirst();
List<Uri> imagesToDelete = new ArrayList<Uri>();
do {
String id = imageCursor.getString(imageCursor
.getColumnIndex(Images.ImageColumns._ID));
imagesToDelete
.add(Uri.withAppendedPath(
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
id));
} while (imageCursor.moveToNext());
for (Uri uri : imagesToDelete) {
Log.i(t, "attempting to delete: " + uri);
count += cr.delete(uri, null, null);
}
}
} catch (Exception e) {
Log.e(t, e.toString());
} finally {
if (imageCursor != null) {
imageCursor.close();
}
}
return count;
}
public static final Uri getAudioUriFromMediaProvider(String audioFile) {
String selection = Audio.AudioColumns.DATA + "=?";
String[] selectArgs = { audioFile };
String[] projection = { Audio.AudioColumns._ID };
Cursor c = null;
try {
c = Collect
.getInstance()
.getContentResolver()
.query(android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
projection, selection, selectArgs, null);
if (c.getCount() > 0) {
c.moveToFirst();
String id = c.getString(c
.getColumnIndex(Audio.AudioColumns._ID));
return Uri
.withAppendedPath(
android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
id);
}
return null;
} finally {
if (c != null) {
c.close();
}
}
}
public static final int deleteAudioFileFromMediaProvider(String audioFile) {
ContentResolver cr = Collect.getInstance().getContentResolver();
// audio
int count = 0;
Cursor audioCursor = null;
try {
String select = Audio.Media.DATA + "=?";
String[] selectArgs = { audioFile };
String[] projection = { Audio.AudioColumns._ID };
audioCursor = cr
.query(android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
projection, select, selectArgs, null);
if (audioCursor.getCount() > 0) {
audioCursor.moveToFirst();
List<Uri> audioToDelete = new ArrayList<Uri>();
do {
String id = audioCursor.getString(audioCursor
.getColumnIndex(Audio.AudioColumns._ID));
audioToDelete
.add(Uri.withAppendedPath(
android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
id));
} while (audioCursor.moveToNext());
for (Uri uri : audioToDelete) {
Log.i(t, "attempting to delete: " + uri);
count += cr.delete(uri, null, null);
}
}
} catch (Exception e) {
Log.e(t, e.toString());
} finally {
if (audioCursor != null) {
audioCursor.close();
}
}
File f = new File(audioFile);
if (f.exists()) {
f.delete();
}
return count;
}
public static final int deleteAudioInFolderFromMediaProvider(File folder) {
ContentResolver cr = Collect.getInstance().getContentResolver();
// audio
int count = 0;
Cursor audioCursor = null;
try {
String select = Audio.Media.DATA + " like ? escape '!'";
String[] selectArgs = { escapePath(folder.getAbsolutePath()) };
String[] projection = { Audio.AudioColumns._ID };
audioCursor = cr
.query(android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
projection, select, selectArgs, null);
if (audioCursor.getCount() > 0) {
audioCursor.moveToFirst();
List<Uri> audioToDelete = new ArrayList<Uri>();
do {
String id = audioCursor.getString(audioCursor
.getColumnIndex(Audio.AudioColumns._ID));
audioToDelete
.add(Uri.withAppendedPath(
android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
id));
} while (audioCursor.moveToNext());
for (Uri uri : audioToDelete) {
Log.i(t, "attempting to delete: " + uri);
count += cr.delete(uri, null, null);
}
}
} catch (Exception e) {
Log.e(t, e.toString());
} finally {
if (audioCursor != null) {
audioCursor.close();
}
}
return count;
}
public static final Uri getVideoUriFromMediaProvider(String videoFile) {
String selection = Video.VideoColumns.DATA + "=?";
String[] selectArgs = { videoFile };
String[] projection = { Video.VideoColumns._ID };
Cursor c = null;
try {
c = Collect
.getInstance()
.getContentResolver()
.query(android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
projection, selection, selectArgs, null);
if (c.getCount() > 0) {
c.moveToFirst();
String id = c.getString(c
.getColumnIndex(Video.VideoColumns._ID));
return Uri
.withAppendedPath(
android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
id);
}
return null;
} finally {
if (c != null) {
c.close();
}
}
}
public static final int deleteVideoFileFromMediaProvider(String videoFile) {
ContentResolver cr = Collect.getInstance().getContentResolver();
// video
int count = 0;
Cursor videoCursor = null;
try {
String select = Video.Media.DATA + "=?";
String[] selectArgs = { videoFile };
String[] projection = { Video.VideoColumns._ID };
videoCursor = cr
.query(android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
projection, select, selectArgs, null);
if (videoCursor.getCount() > 0) {
videoCursor.moveToFirst();
List<Uri> videoToDelete = new ArrayList<Uri>();
do {
String id = videoCursor.getString(videoCursor
.getColumnIndex(Video.VideoColumns._ID));
videoToDelete
.add(Uri.withAppendedPath(
android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
id));
} while (videoCursor.moveToNext());
for (Uri uri : videoToDelete) {
Log.i(t, "attempting to delete: " + uri);
count += cr.delete(uri, null, null);
}
}
} catch (Exception e) {
Log.e(t, e.toString());
} finally {
if (videoCursor != null) {
videoCursor.close();
}
}
File f = new File(videoFile);
if (f.exists()) {
f.delete();
}
return count;
}
public static final int deleteVideoInFolderFromMediaProvider(File folder) {
ContentResolver cr = Collect.getInstance().getContentResolver();
// video
int count = 0;
Cursor videoCursor = null;
try {
String select = Video.Media.DATA + " like ? escape '!'";
String[] selectArgs = { escapePath(folder.getAbsolutePath()) };
String[] projection = { Video.VideoColumns._ID };
videoCursor = cr
.query(android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
projection, select, selectArgs, null);
if (videoCursor.getCount() > 0) {
videoCursor.moveToFirst();
List<Uri> videoToDelete = new ArrayList<Uri>();
do {
String id = videoCursor.getString(videoCursor
.getColumnIndex(Video.VideoColumns._ID));
videoToDelete
.add(Uri.withAppendedPath(
android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
id));
} while (videoCursor.moveToNext());
for (Uri uri : videoToDelete) {
Log.i(t, "attempting to delete: " + uri);
count += cr.delete(uri, null, null);
}
}
} catch (Exception e) {
Log.e(t, e.toString());
} finally {
if (videoCursor != null) {
videoCursor.close();
}
}
return count;
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is ExternalStorageProvider.
* @author paulburke
*/
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri
.getAuthority());
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is DownloadsProvider.
* @author paulburke
*/
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri
.getAuthority());
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is MediaProvider.
* @author paulburke
*/
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri
.getAuthority());
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is Google Photos.
*/
public static boolean isGooglePhotosUri(Uri uri) {
return "com.google.android.apps.photos.content".equals(uri
.getAuthority());
}
/**
* Get the value of the data column for this Uri. This is useful for
* MediaStore Uris, and other file-based ContentProviders.
*
* @param context
* The context.
* @param uri
* The Uri to query.
* @param selection
* (Optional) Filter used in the query.
* @param selectionArgs
* (Optional) Selection arguments used in the query.
* @return The value of the _data column, which is typically a file path.
* @author paulburke
*/
public static String getDataColumn(Context context, Uri uri,
String selection, String[] selectionArgs) {
Cursor cursor = null;
final String column = "_data";
final String[] projection = { column };
try {
cursor = context.getContentResolver().query(uri, projection,
selection, selectionArgs, null);
if (cursor != null && cursor.moveToFirst()) {
final int column_index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(column_index);
}
} finally {
if (cursor != null)
cursor.close();
}
return null;
}
}