/* * Copyright (C) 2017 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.android.networkrecommendation; import android.net.RecommendationRequest; import java.lang.reflect.Method; public class Example { public Example() {} public void buildRecommendationRequest() { new RecommendationRequest.Builder().build(); } @SuppressWarnings("unchecked") public RecommendationRequest reflectRecommendationRequest() { try { Class builder = RecommendationRequest.class.getClasses()[0]; Object builderObj = builder.getConstructor().newInstance(); Method build = builder.getDeclaredMethod("build"); return (RecommendationRequest) build.invoke(builderObj); } catch (Exception e) { throw new RuntimeException("Noooo", e); } } }