1 /* 2 * Copyright (C) 2014 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 com.google.android.apps.common.testing.ui.espresso; 18 19 import android.view.View; 20 21 /** 22 * Uses matchers to locate particular views within the view hierarchy. 23 */ 24 public interface ViewFinder { 25 26 /** 27 * Immediately locates a single view within the provided view hierarchy. 28 * 29 * If multiple views match, or if no views match the appropriate exception is thrown. 30 * 31 * @return A singular view which matches the matcher we were constructed with. 32 * @throws AmbiguousViewMatcherException when multiple views match 33 * @throws NoMatchingViewException when no views match. 34 */ 35 public View getView() throws AmbiguousViewMatcherException, NoMatchingViewException; 36 } 37
