1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package android.app.stubs 17 18 import android.content.ContentProvider 19 import android.content.ContentValues 20 import android.content.res.AssetFileDescriptor 21 import android.database.Cursor 22 import android.net.Uri 23 24 class AssetFileProvider : ContentProvider() { onCreatenull25 override fun onCreate() = true 26 27 override fun openAssetFile(uri: Uri, mode: String): AssetFileDescriptor? { 28 val assets = context?.assets 29 val filename = uri.lastPathSegment 30 if (mode == "r" && assets != null && filename != null) { 31 return assets.openFd(filename) 32 } 33 return super.openAssetFile(uri, mode) 34 } 35 querynull36 override fun query( 37 uri: Uri, 38 projection: Array<String>?, 39 selection: String?, 40 selectionArgs: Array<String>?, 41 sortOrder: String? 42 ): Cursor = throw UnsupportedOperationException() 43 44 override fun getType(uri: Uri): String? = null 45 46 override fun insert(uri: Uri, values: ContentValues?): Uri = 47 throw UnsupportedOperationException() 48 49 override fun delete(uri: Uri, selection: String?, selectionArgs: Array<String>?): Int = 50 throw UnsupportedOperationException() 51 52 override fun update( 53 uri: Uri, 54 values: ContentValues?, 55 selection: String?, 56 selectionArgs: Array<String>? 57 ): Int = throw UnsupportedOperationException() 58 }