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@r0b0t3d
Created June 17, 2020 08:13
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Get file path from Uri
import android.annotation.TargetApi;
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.DocumentsContract;
import android.provider.MediaStore;
import android.text.TextUtils;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
public class FileHelper {
@TargetApi(19)
public static String getRealPathFromURI(final Context context, final Uri uri) {
String path = "";
try {
path = processUri(context, uri);
} catch (Exception exception) {
exception.printStackTrace();
}
if (TextUtils.isEmpty(path)) {
path = copyFile(context, uri);
}
return path;
}
private static String processUri(Context context, Uri uri) {
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
String path = "";
// DocumentProvider
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
// 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];
}
} else if (isDownloadsDocument(uri)) { // DownloadsProvider
final String id = DocumentsContract.getDocumentId(uri);
//Starting with Android O, this "id" is not necessarily a long (row number),
//but might also be a "raw:/some/file/path" URL
if (id != null && id.startsWith("raw:/")) {
Uri rawuri = Uri.parse(id);
path = rawuri.getPath();
} else {
String[] contentUriPrefixesToTry = new String[]{
"content://downloads/public_downloads",
"content://downloads/my_downloads"
};
for (String contentUriPrefix : contentUriPrefixesToTry) {
final Uri contentUri = ContentUris.withAppendedId(
Uri.parse(contentUriPrefix), Long.valueOf(id));
path = getDataColumn(context, contentUri, null, null);
if (!TextUtils.isEmpty(path)) {
break;
}
}
}
} 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 ("content".equalsIgnoreCase(uri.getScheme())) {
path = getDataColumn(context, uri, null, null);
}
} else if ("content".equalsIgnoreCase(uri.getScheme())) { // MediaStore (and general)
path = getDataColumn(context, uri, null, null);
} else if ("file".equalsIgnoreCase(uri.getScheme())) { // File
path = uri.getPath();
}
return path;
}
static String copyFile(Context context, Uri uri) {
try {
InputStream attachment = context.getContentResolver().openInputStream(uri);
if (attachment != null) {
String filename = getContentName(context.getContentResolver(), uri);
if (filename != null) {
File file = new File(context.getCacheDir(), filename);
FileOutputStream tmp = new FileOutputStream(file);
byte[] buffer = new byte[1024];
while (attachment.read(buffer) > 0) {
tmp.write(buffer);
}
tmp.close();
attachment.close();
return file.getAbsolutePath();
}
}
} catch (Exception e) {
return null;
}
return null;
}
private static String getContentName(ContentResolver resolver, Uri uri) {
Cursor cursor = resolver.query(uri, null, null, null, null);
if (cursor != null) {
cursor.moveToFirst();
int nameIndex = cursor.getColumnIndex(MediaStore.MediaColumns.DISPLAY_NAME);
if (nameIndex >= 0) {
String name = cursor.getString(nameIndex);
cursor.close();
return name;
}
}
return null;
}
/**
* 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;
String result = 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 index = cursor.getColumnIndexOrThrow(column);
result = cursor.getString(index);
}
} catch (Exception ex) {
ex.printStackTrace();
return null;
} finally {
if (cursor != null)
cursor.close();
}
return result;
}
/**
* @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());
}
}
@nsgw
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nsgw commented Nov 22, 2023

Thanks!

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