1/* 2 * Copyright (C) 2015 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 17package android.util; 18 19import android.app.Activity; 20import android.app.Instrumentation; 21import android.content.pm.ActivityInfo; 22 23import android.test.ActivityInstrumentationTestCase2; 24 25import com.android.internal.util.Preconditions; 26 27/** 28 * Utilities for manipulating screen orientation. 29 */ 30public final class OrientationUtil { 31 32 private final Activity mActivity; 33 private final Instrumentation mInstrumentation; 34 35 private final Runnable mSetToPortrait = new Runnable() { 36 @Override 37 public void run() { 38 mActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); 39 } 40 }; 41 42 private final Runnable mSetToLandscape = new Runnable() { 43 @Override 44 public void run() { 45 mActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 46 } 47 }; 48 49 public static OrientationUtil initializeAndStartActivityIfNotStarted( 50 ActivityInstrumentationTestCase2 testCase) { 51 Preconditions.checkNotNull(testCase); 52 return new OrientationUtil(testCase.getActivity(), testCase.getInstrumentation()); 53 } 54 55 private OrientationUtil(Activity activity, Instrumentation instrumentation) { 56 mActivity = activity; 57 mInstrumentation = instrumentation; 58 } 59 60 public void setPortraitOrientation() { 61 mInstrumentation.runOnMainSync(mSetToPortrait); 62 } 63 64 public void setLandscapeOrientation() { 65 mInstrumentation.runOnMainSync(mSetToLandscape); 66 } 67} 68