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2、修复系统自带资源管理器选择路径错误的虫子
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115
app/src/main/java/com/raincat/dolby_beta/utils/FileUnits.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| package com.raincat.dolby_beta.utils; | ||
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| 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; | ||
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| /** | ||
| * <pre> | ||
| * author : RainCat | ||
| * org : Shenzhen JingYu Network Technology Co., Ltd. | ||
| * e-mail : [email protected] | ||
| * time : 2021/03/13 | ||
| * desc : 说明 | ||
| * version: 1.0 | ||
| * </pre> | ||
| */ | ||
|
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| public class FileUnits { | ||
| 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]; | ||
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| 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]; | ||
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| 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; | ||
| } | ||
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| final String selection = "_id=?"; | ||
| final String[] selectionArgs = new String[]{split[1]}; | ||
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| return getDataColumn(context, contentUri, selection, selectionArgs); | ||
| } | ||
| } | ||
| // MediaStore (and general) | ||
| else if ("content".equalsIgnoreCase(uri.getScheme())) { | ||
| return getDataColumn(context, uri, null, null); | ||
| } | ||
| // File | ||
| else if ("file".equalsIgnoreCase(uri.getScheme())) { | ||
| return uri.getPath(); | ||
| } | ||
| return null; | ||
| } | ||
|
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| /** | ||
| * 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}; | ||
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| 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; | ||
| } | ||
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| public static boolean isExternalStorageDocument(Uri uri) { | ||
| return "com.android.externalstorage.documents".equals(uri.getAuthority()); | ||
| } | ||
|
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| public static boolean isDownloadsDocument(Uri uri) { | ||
| return "com.android.providers.downloads.documents".equals(uri.getAuthority()); | ||
| } | ||
|
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| public static boolean isMediaDocument(Uri uri) { | ||
| return "com.android.providers.media.documents".equals(uri.getAuthority()); | ||
| } | ||
| } |