1 /* 2 * Copyright (C) 2011 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 17 package com.example.android.supportv4.content; 18 19 import android.content.ContentProvider; 20 import android.content.ContentValues; 21 import android.database.Cursor; 22 import android.net.Uri; 23 import android.os.ParcelFileDescriptor; 24 import android.util.Log; 25 26 import java.io.File; 27 import java.io.FileNotFoundException; 28 29 /** 30 * This simple ContentProvider provides access to the two example files shared 31 * by the ShareCompat example {@link com.example.android.supportv4.app.SharingSupport}. 32 */ 33 public class SharingSupportProvider extends ContentProvider { 34 public static final Uri CONTENT_URI = 35 Uri.parse("content://com.example.supportv4.content.sharingsupportprovider"); 36 37 private static final String TAG = "SharingSupportProvider"; 38 39 @Override 40 public boolean onCreate() { 41 return true; 42 } 43 44 @Override 45 public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, 46 String sortOrder) { 47 return null; 48 } 49 50 @Override 51 public String getType(Uri uri) { 52 if (uri.equals(Uri.withAppendedPath(CONTENT_URI, "foo.txt")) || 53 uri.equals(Uri.withAppendedPath(CONTENT_URI, "bar.txt"))) { 54 return "text/plain"; 55 } 56 return null; 57 } 58 59 @Override 60 public Uri insert(Uri uri, ContentValues values) { 61 return null; 62 } 63 64 @Override 65 public int delete(Uri uri, String selection, String[] selectionArgs) { 66 return 0; 67 } 68 69 @Override 70 public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { 71 return 0; 72 } 73 74 @Override 75 public ParcelFileDescriptor openFile(Uri uri, String mode) { 76 String path = uri.getPath(); 77 if (mode.equals("r") && 78 (path.equals("/foo.txt") || path.equals("/bar.txt"))) { 79 try { 80 return ParcelFileDescriptor.open( 81 new File(getContext().getFilesDir() + path), 82 ParcelFileDescriptor.MODE_READ_ONLY); 83 } catch (FileNotFoundException e) { 84 Log.e(TAG, "Bad file " + uri); 85 } 86 } 87 return null; 88 } 89 } 90
