1 /* 2 * Copyright (C) 2010 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.cts; 18 19 import android.app.Activity; 20 import android.app.Instrumentation; 21 import android.content.pm.ActivityInfo; 22 23 public class OrientationTestUtils { 24 25 /** 26 * Change the activity's orientation to something different and then switch back. This is used 27 * to trigger {@link Activity#onConfigurationChanged(android.content.res.Configuration)}. 28 * 29 * @param activity whose orientation will be changed and restored 30 */ 31 public static void toggleOrientation(Activity activity) { 32 toggleOrientationSync(activity, null); 33 } 34 35 /** 36 * Same as {@link #toggleOrientation(Activity)} except {@link Instrumentation#waitForIdleSync()} 37 * is called after each orientation change. 38 * 39 * @param activity whose orientation will be changed and restored 40 * @param instrumentation use for idle syncing 41 */ 42 public static void toggleOrientationSync(final Activity activity, 43 final Instrumentation instrumentation) { 44 final int originalOrientation = activity.getResources().getConfiguration().orientation; 45 final int newOrientation = originalOrientation == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT 46 ? ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE 47 : ActivityInfo.SCREEN_ORIENTATION_PORTRAIT; 48 changeOrientation(activity, instrumentation, newOrientation); 49 changeOrientation(activity, instrumentation, originalOrientation); 50 } 51 52 private static void changeOrientation(final Activity activity, 53 Instrumentation instrumentation, final int orientation) { 54 activity.setRequestedOrientation(orientation); 55 if (instrumentation != null) { 56 instrumentation.waitForIdleSync(); 57 } 58 } 59 } 60
