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June 9, 2018 08:09
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import android.annotation.SuppressLint; | |
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.support.v4.content.CursorLoader; | |
public class RealPathUtil { | |
public static String getRealPath(Context context, Uri uri) { | |
String realPath; | |
// SDK < API11 | |
if (Build.VERSION.SDK_INT < 11) { | |
realPath = RealPathUtil.getRealPathFromURI_BelowAPI11(context, uri); | |
} | |
// SDK >= 11 && SDK < 19 | |
else if (Build.VERSION.SDK_INT < 19) { | |
realPath = RealPathUtil.getRealPathFromURI_API11to18(context, uri); | |
} | |
// SDK > 19 (Android 4.4) | |
else { | |
realPath = RealPathUtil.getRealPathFromURI_API19(context, uri); | |
} | |
return realPath; | |
} | |
@SuppressLint("NewApi") | |
public static String getRealPathFromURI_API19(final Context context, final Uri uri) { | |
// check here to KITKAT or new version | |
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; | |
// 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)) { | |
return Environment.getExternalStorageDirectory() + "/" | |
+ split[1]; | |
} | |
} | |
// 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()); | |
} | |
@SuppressLint("NewApi") | |
public static String getRealPathFromURI_API11to18(Context context, Uri contentUri) { | |
String[] proj = { MediaStore.Images.Media.DATA }; | |
String result = null; | |
CursorLoader cursorLoader = new CursorLoader( | |
context, | |
contentUri, proj, null, null, null); | |
Cursor cursor = cursorLoader.loadInBackground(); | |
if(cursor != null){ | |
int column_index = | |
cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); | |
cursor.moveToFirst(); | |
result = cursor.getString(column_index); | |
} | |
return result; | |
} | |
public static String getRealPathFromURI_BelowAPI11(Context context, Uri contentUri){ | |
String[] proj = { MediaStore.Images.Media.DATA }; | |
Cursor cursor = context.getContentResolver().query(contentUri, proj, null, null, null); | |
int column_index | |
= cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); | |
cursor.moveToFirst(); | |
return cursor.getString(column_index); | |
} | |
} |
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