Java tutorial
//package com.java2s; /* * android-test-lib https://github.com/twofortyfouram/android-test * Copyright 2014 two forty four a.m. LLC * * 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. */ import android.app.Activity; import android.os.Looper; import android.support.annotation.NonNull; import java.lang.reflect.Field; public class Main { /** * Helper to get the Activity result code. This must only be called on the main thread. * * @param activity Activity whose result code is to be obtained. * @return Result code of the Activity. */ public static int getActivityResultCode(@NonNull final Activity activity) { if (activity == null) { throw new IllegalArgumentException("activity cannot be null"); //$NON-NLS-1$ } if (Looper.getMainLooper() != Looper.myLooper()) { throw new AssertionError("Must only be called on the main thread"); } /* * This is a hack to obtain the Activity result code. There is no official way to check this using the Android * testing frameworks, so accessing the internals of the Activity object is the only way. This could * break on newer versions of Android. */ try { final Field resultCodeField = Activity.class.getDeclaredField("mResultCode"); //$NON-NLS-1$ resultCodeField.setAccessible(true); return ((Integer) resultCodeField.get(activity)).intValue(); } catch (final Exception e) { throw new RuntimeException(e); } } }