1/* 2 * Copyright (C) 2016 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.support.v4.testutils; 18 19import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed; 20 21import android.support.test.espresso.UiController; 22import android.support.test.espresso.ViewAction; 23import android.view.View; 24 25import androidx.core.view.ViewCompat; 26 27import org.hamcrest.Matcher; 28 29public class LayoutDirectionActions { 30 /** 31 * Sets layout direction on the view. 32 */ 33 public static ViewAction setLayoutDirection(final int layoutDirection) { 34 return new ViewAction() { 35 @Override 36 public Matcher<View> getConstraints() { 37 return isDisplayed(); 38 } 39 40 @Override 41 public String getDescription() { 42 return "set layout direction"; 43 } 44 45 @Override 46 public void perform(UiController uiController, View view) { 47 uiController.loopMainThreadUntilIdle(); 48 49 ViewCompat.setLayoutDirection(view, layoutDirection); 50 51 uiController.loopMainThreadUntilIdle(); 52 } 53 }; 54 } 55} 56