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      1 /*
      2  * Copyright (C) 2007 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.widget.focus;
     18 
     19 import android.test.SingleLaunchActivityTestCase;
     20 import android.test.suitebuilder.annotation.MediumTest;
     21 import android.view.FocusFinder;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 import android.widget.focus.LinearLayoutGrid;
     25 
     26 /**
     27  * Tests focus searching between buttons within a grid that are touching, for example,
     28  * two buttons next two each other would have the left button's right equal to the
     29  * right button's left.  Same goes for top and bottom edges.
     30  *
     31  * This exercises some edge cases of {@link android.view.FocusFinder}.
     32  */
     33 public class LinearLayoutGridTest extends SingleLaunchActivityTestCase<LinearLayoutGrid> {
     34     private ViewGroup mRootView;
     35 
     36     public LinearLayoutGridTest() {
     37         super("com.android.frameworks.coretests", LinearLayoutGrid.class);
     38     }
     39 
     40     protected void setUp() throws Exception {
     41         super.setUp();
     42         mRootView = getActivity().getRootView();
     43     }
     44 
     45     @MediumTest
     46     public void testGoDownFromMiddle() {
     47         assertEquals(getActivity().getButtonAt(2, 1),
     48                 FocusFinder.getInstance().findNextFocus(
     49                         mRootView,
     50                         getActivity().getButtonAt(1, 1),
     51                         View.FOCUS_DOWN));
     52     }
     53 
     54     @MediumTest
     55     public void testGoUpFromMiddle() {
     56         assertEquals(getActivity().getButtonAt(0, 1),
     57                 FocusFinder.getInstance().findNextFocus(
     58                         mRootView,
     59                         getActivity().getButtonAt(1, 1),
     60                         View.FOCUS_UP));
     61     }
     62 
     63     @MediumTest
     64     public void testGoRightFromMiddle() {
     65         assertEquals(getActivity().getButtonAt(1, 2),
     66                 FocusFinder.getInstance().findNextFocus(
     67                         mRootView,
     68                         getActivity().getButtonAt(1, 1),
     69                         View.FOCUS_RIGHT));
     70     }
     71 
     72     @MediumTest
     73     public void testGoLeftFromMiddle() {
     74         assertEquals(getActivity().getButtonAt(1, 0),
     75                 FocusFinder.getInstance().findNextFocus(
     76                         mRootView,
     77                         getActivity().getButtonAt(1, 1),
     78                         View.FOCUS_LEFT));
     79     }
     80 
     81 }
     82