1 /* 2 * Copyright (C) 2022 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 android.nearby.fastpair.provider.simulator.app; 18 19 import android.util.Log; 20 21 import com.google.common.util.concurrent.FutureCallback; 22 23 /** Wrapper for {@link FutureCallback} to prevent the memory linkage. */ 24 public abstract class FutureCallbackWrapper<T> implements FutureCallback<T> { 25 private static final String TAG = FutureCallback.class.getSimpleName(); 26 createRegisterCallback(MainActivity activity)27 public static FutureCallbackWrapper<Void> createRegisterCallback(MainActivity activity) { 28 String id = activity.mRemoteDeviceId; 29 return new FutureCallbackWrapper<Void>() { 30 @Override 31 public void onSuccess(Void result) { 32 Log.d(TAG, String.format("%s was registered", id)); 33 } 34 35 @Override 36 public void onFailure(Throwable t) { 37 Log.w(TAG, String.format("Failed to register %s", id), t); 38 } 39 }; 40 } 41 42 public static FutureCallbackWrapper<Void> createDefaultIOCallback(MainActivity activity) { 43 String id = activity.mRemoteDeviceId; 44 return new FutureCallbackWrapper<Void>() { 45 @Override 46 public void onSuccess(Void result) { 47 } 48 49 @Override 50 public void onFailure(Throwable t) { 51 Log.w(TAG, String.format("IO stream error on %s", id), t); 52 } 53 }; 54 } 55 56 public static FutureCallbackWrapper<Void> createDestroyCallback() { 57 return new FutureCallbackWrapper<Void>() { 58 @Override 59 public void onSuccess(Void result) { 60 Log.d(TAG, "remote devices manager is destroyed"); 61 } 62 63 @Override 64 public void onFailure(Throwable t) { 65 Log.w(TAG, "Failed to destroy remote devices manager", t); 66 } 67 }; 68 } 69 } 70