1 /* 2 * Copyright (C) 2017 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.android.internal.telephony.uicc.euicc.async; 18 19 import android.telephony.Rlog; 20 21 /** 22 * Class to deliver the returned value from an asynchronous call. Either {@link #onResult(Result)} 23 * or {@link #onException(Throwable)} will be called. You can create an anonymous subclass and 24 * override these methods to handle the result or the throwable from an asynchronous call, for 25 * example: 26 * 27 * <pre> 28 * doSomethingAsync( 29 * new AsyncResultCallback<Result>() { 30 * void onResult(Result r) { 31 * Log.i("Got the result: %s", r.toString()); 32 * } 33 * 34 * void onException(Throwable e) {...} 35 * }); 36 * <pre> 37 * 38 * @param <Result> The returned value of the asynchronous call. 39 * @hide 40 */ 41 public abstract class AsyncResultCallback<Result> { 42 43 private static final String LOG_TAG = "AsyncResultCallback"; 44 45 /** This will be called when the result is returned. */ onResult(Result result)46 public abstract void onResult(Result result); 47 48 /** This will be called when any exception is thrown. */ onException(Throwable e)49 public void onException(Throwable e) { 50 Rlog.e(LOG_TAG, "Error in onException", e); 51 } 52 } 53