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Get a file from Uri.
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package com.jitosoft.imageloadapp.util; | |
import android.content.ContentUris; | |
import android.content.Context; | |
import android.database.Cursor; | |
import android.graphics.Bitmap; | |
import android.net.Uri; | |
import android.os.Build; | |
import android.os.Environment; | |
import android.provider.DocumentsContract; | |
import android.provider.MediaStore; | |
import android.provider.OpenableColumns; | |
import java.io.BufferedInputStream; | |
import java.io.BufferedOutputStream; | |
import java.io.File; | |
import java.io.FileOutputStream; | |
import java.io.InputStream; | |
/** | |
* Created by jihoon on 2016. 4. 3.. | |
*/ | |
public class FileUtils { | |
/** | |
* Get a file from a Uri. | |
* Framework Documents, as well as the _data field for the MediaStore and | |
* other file-based ContentProviders. | |
* | |
* @param context The context. | |
* @param uri The Uri to query. | |
*/ | |
public static File getFileFromUri(final Context context, final Uri uri) throws Exception { | |
String path = null; | |
// DocumentProvider | |
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { | |
if (DocumentsContract.isDocumentUri(context, uri)) { // TODO: 2015. 11. 17. KITKAT | |
// ExternalStorageProvider | |
if (isExternalStorageDocument(uri)) { | |
final String docId = DocumentsContract.getDocumentId(uri); | |
final String[] split = docId.split(":"); | |
final String type = split[0]; | |
if ("primary".equalsIgnoreCase(type)) { | |
path = Environment.getExternalStorageDirectory() + "/" + split[1]; | |
} | |
// TODO handle non-primary volumes | |
} else if (isDownloadsDocument(uri)) { // DownloadsProvider | |
final String id = DocumentsContract.getDocumentId(uri); | |
final Uri contentUri = ContentUris.withAppendedId( | |
Uri.parse("content://downloads/public_downloads"), Long.valueOf(id)); | |
path = getDataColumn(context, contentUri, null, null); | |
} else if (isMediaDocument(uri)) { // MediaProvider | |
final String docId = DocumentsContract.getDocumentId(uri); | |
final String[] split = docId.split(":"); | |
final String type = split[0]; | |
Uri contentUri = null; | |
if ("image".equals(type)) { | |
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; | |
} else if ("video".equals(type)) { | |
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; | |
} else if ("audio".equals(type)) { | |
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; | |
} | |
final String selection = "_id=?"; | |
final String[] selectionArgs = new String[]{ | |
split[1] | |
}; | |
path = getDataColumn(context, contentUri, selection, selectionArgs); | |
} else if (isGoogleDrive(uri)) { // Google Drive | |
String TAG = "isGoogleDrive"; | |
path = TAG; | |
final String docId = DocumentsContract.getDocumentId(uri); | |
final String[] split = docId.split(";"); | |
final String acc = split[0]; | |
final String doc = split[1]; | |
/* | |
* @details google drive document data. - acc , docId. | |
* */ | |
return saveFileIntoExternalStorageByUri(context, uri); | |
} // MediaStore (and general) | |
} else if ("content".equalsIgnoreCase(uri.getScheme())) { | |
path = getDataColumn(context, uri, null, null); | |
} | |
// File | |
else if ("file".equalsIgnoreCase(uri.getScheme())) { | |
path = uri.getPath(); | |
} | |
return new File(path); | |
} else { | |
Cursor cursor = context.getContentResolver().query(uri, null, null, null, null); | |
return new File(cursor.getString(cursor.getColumnIndex("_data"))); | |
} | |
} | |
/** | |
* @param uri The Uri to check. | |
* @return Whether the Uri authority is GoogleDrive. | |
*/ | |
public static boolean isGoogleDrive(Uri uri) { | |
return uri.getAuthority().equalsIgnoreCase("com.google.android.apps.docs.storage"); | |
} | |
/** | |
* 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. | |
*/ | |
public static String getDataColumn(Context context, Uri uri, String selection, | |
String[] selectionArgs) { | |
Cursor cursor = null; | |
final String column = MediaStore.Images.Media.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; | |
} | |
/** | |
* @param uri The Uri to check. | |
* @return Whether the Uri authority is ExternalStorageProvider. | |
*/ | |
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. | |
*/ | |
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. | |
*/ | |
public static boolean isMediaDocument(Uri uri) { | |
return "com.android.providers.media.documents".equals(uri.getAuthority()); | |
} | |
public static File makeEmptyFileIntoExternalStorageWithTitle(String title) { | |
String root = Environment.getExternalStorageDirectory().getAbsolutePath(); | |
return new File(root, title); | |
} | |
public static String getFileName(Context context, Uri uri) { | |
String result = null; | |
if (uri.getScheme().equals("content")) { | |
Cursor cursor = context.getContentResolver().query(uri, null, null, null, null); | |
try { | |
if (cursor != null && cursor.moveToFirst()) { | |
result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)); | |
} | |
} finally { | |
cursor.close(); | |
} | |
} | |
if (result == null) { | |
result = uri.getPath(); | |
int cut = result.lastIndexOf('/'); | |
if (cut != -1) { | |
result = result.substring(cut + 1); | |
} | |
} | |
return result; | |
} | |
public static void saveBitmapFileIntoExternalStorageWithTitle(Bitmap bitmap, String title) throws Exception { | |
FileOutputStream fileOutputStream = new FileOutputStream(makeEmptyFileIntoExternalStorageWithTitle(title + ".png")); | |
bitmap.compress(Bitmap.CompressFormat.PNG, 100, fileOutputStream); | |
fileOutputStream.close(); | |
} | |
public static File saveFileIntoExternalStorageByUri(Context context, Uri uri) throws Exception { | |
InputStream inputStream = context.getContentResolver().openInputStream(uri); | |
int originalSize = inputStream.available(); | |
BufferedInputStream bis = null; | |
BufferedOutputStream bos = null; | |
String fileName = getFileName(context, uri); | |
File file = makeEmptyFileIntoExternalStorageWithTitle(fileName); | |
bis = new BufferedInputStream(inputStream); | |
bos = new BufferedOutputStream(new FileOutputStream( | |
file, false)); | |
byte[] buf = new byte[originalSize]; | |
bis.read(buf); | |
do { | |
bos.write(buf); | |
} while (bis.read(buf) != -1); | |
bos.flush(); | |
bos.close(); | |
bis.close(); | |
return file; | |
} | |
} |
thank you this has been a life saver
It would be great if you can create a module for this. It would really help hundred developers out there
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Thanks! This is great! Just one thing – I couldn't feed the Uri that the file picker returned directly, but had to transform it using the following: