1 /* 2 * Copyright (C) 2018 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.app.role.cts; 18 19 import android.app.Activity; 20 import android.content.Intent; 21 import android.util.Pair; 22 23 import androidx.annotation.NonNull; 24 import androidx.annotation.Nullable; 25 26 import java.util.concurrent.CountDownLatch; 27 import java.util.concurrent.TimeUnit; 28 29 /** 30 * An Activity that can start another Activity and wait for its result. 31 */ 32 public class WaitForResultActivity extends Activity { 33 34 private static final int REQUEST_CODE_WAIT_FOR_RESULT = 1; 35 36 private CountDownLatch mLatch; 37 private int mResultCode; 38 private Intent mData; 39 startActivityToWaitForResult(@onNull Intent intent)40 public void startActivityToWaitForResult(@NonNull Intent intent) { 41 mLatch = new CountDownLatch(1); 42 startActivityForResult(intent, REQUEST_CODE_WAIT_FOR_RESULT); 43 } 44 45 @NonNull waitForActivityResult(long timeoutMillis)46 public Pair<Integer, Intent> waitForActivityResult(long timeoutMillis) 47 throws InterruptedException { 48 mLatch.await(timeoutMillis, TimeUnit.MILLISECONDS); 49 return new Pair<>(mResultCode, mData); 50 } 51 52 @Override onActivityResult(int requestCode, int resultCode, @Nullable Intent data)53 protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { 54 if (requestCode == REQUEST_CODE_WAIT_FOR_RESULT) { 55 mResultCode = resultCode; 56 mData = data; 57 mLatch.countDown(); 58 } else { 59 super.onActivityResult(requestCode, resultCode, data); 60 } 61 } 62 } 63