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November 26, 2018 11:49
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Get absolute path of any file in android. Credit : Unknown
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package com.example.pathutils | |
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; | |
public class RealFilePath { | |
/** | |
* Get a file path from a Uri. This will get the the path for Storage Access | |
* 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 String getPath(final Context context, final Uri uri) { | |
// DocumentProvider | |
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && 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)) { | |
return Environment.getExternalStorageDirectory() + "/" + split[1]; | |
} | |
// TODO handle non-primary volumes | |
} | |
// DownloadsProvider | |
else if (isDownloadsDocument(uri)) { | |
final String id = DocumentsContract.getDocumentId(uri); | |
final Uri contentUri = ContentUris.withAppendedId( | |
Uri.parse("content://downloads/public_downloads"), Long.valueOf(id) | |
); | |
return getDataColumn(context, contentUri, null, null); | |
} | |
// MediaProvider | |
else if (isMediaDocument(uri)) { | |
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] | |
}; | |
return getDataColumn(context, contentUri, selection, selectionArgs); | |
} | |
} | |
// MediaStore (and general) | |
else if ("content".equalsIgnoreCase(uri.getScheme())) { | |
// Return the remote address | |
if (isGooglePhotosUri(uri)) | |
return uri.getLastPathSegment(); | |
return getDataColumn(context, uri, null, null); | |
} | |
// File | |
else if ("file".equalsIgnoreCase(uri.getScheme())) { | |
return uri.getPath(); | |
} | |
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; | |
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); | |
return cursor.getString(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()); | |
} | |
/** | |
* @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()); | |
} | |
} |
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