BaseFragmentActivityGingerbread.java revision fed04169c31e7e3d8c7a328876358dd3564062bb
1fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri/* 2fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * Copyright (C) 2016 The Android Open Source Project 3fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * 4fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * Licensed under the Apache License, Version 2.0 (the "License"); 5fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * you may not use this file except in compliance with the License. 6fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * You may obtain a copy of the License at 7fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * 8fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * http://www.apache.org/licenses/LICENSE-2.0 9fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * 10fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * Unless required by applicable law or agreed to in writing, software 11fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * distributed under the License is distributed on an "AS IS" BASIS, 12fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * See the License for the specific language governing permissions and 14fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * limitations under the License. 15fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri */ 16fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri 17fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarripackage android.support.v4.app; 18fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri 19fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarriimport android.content.Intent; 20fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarriimport android.content.IntentSender; 21fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarriimport android.support.annotation.Nullable; 22fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri 23fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri/** 24fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * Base class for {@code FragmentActivity} to be able to use v5 APIs. 25fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri */ 26fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarriabstract class BaseFragmentActivityEclair extends BaseFragmentActivityDonut { 27fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri 28fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri // We need to keep track of whether startIntentSenderForResult originated from a Fragment, so we 29fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri // can conditionally check whether the requestCode collides with our reserved ID space for the 30fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri // request index (see above). Unfortunately we can't just call 31fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri // super.startIntentSenderForResult(...) to bypass the check when the call didn't come from a 32fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri // fragment, since we need to use the ActivityCompat version for backward compatibility. 33fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri boolean mStartedIntentSenderFromFragment; 34fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri 35fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri @Override 36fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri public void startIntentSenderForResult(IntentSender intent, int requestCode, 37fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri @Nullable Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags) 38fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri throws IntentSender.SendIntentException { 39fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri // If this was started from a Fragment we've already checked the upper 16 bits were not in 40fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri // use, and then repurposed them for the Fragment's index. 41fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri if (!mStartedIntentSenderFromFragment) { 42fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri if (requestCode != -1) { 43fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri checkForValidRequestCode(requestCode); 44fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri } 45fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri } 46fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri super.startIntentSenderForResult(intent, requestCode, fillInIntent, flagsMask, flagsValues, 47fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri extraFlags); 48fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri } 49fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri 50fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri /** 51fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * Checks whether the given request code is a valid code by masking it with 0xffff0000. Throws 52fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri * an {@link IllegalArgumentException} if the code is not valid. 53fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri */ 54fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri static void checkForValidRequestCode(int requestCode) { 55fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri if ((requestCode & 0xffff0000) != 0) { 56fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri throw new IllegalArgumentException("Can only use lower 16 bits for requestCode"); 57fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri } 58fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri } 59fed04169c31e7e3d8c7a328876358dd3564062bbClara Bayarri} 60