| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.dpi.cts; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.res.Configuration; |
| import android.test.ActivityInstrumentationTestCase2; |
| import android.util.DisplayMetrics; |
| import android.view.Display; |
| import android.view.WindowManager; |
| |
| public class ConfigurationScreenLayoutTest |
| extends ActivityInstrumentationTestCase2<OrientationActivity> { |
| |
| private static final int[] ORIENTATIONS = new int[] { |
| ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, |
| ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, |
| ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, |
| ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE, |
| }; |
| |
| public ConfigurationScreenLayoutTest() { |
| super(OrientationActivity.class); |
| } |
| |
| public void testScreenLayout() throws Exception { |
| int expectedScreenLayout = computeScreenLayout(); |
| int expectedSize = expectedScreenLayout & Configuration.SCREENLAYOUT_SIZE_MASK; |
| int expectedLong = expectedScreenLayout & Configuration.SCREENLAYOUT_LONG_MASK; |
| |
| // Check that all four orientations report the same configuration value. |
| for (int i = 0; i < ORIENTATIONS.length; i++) { |
| Activity activity = startOrientationActivity(ORIENTATIONS[i]); |
| Configuration mConfig = activity.getResources().getConfiguration(); |
| int actualSize = mConfig.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK; |
| int actualLong = mConfig.screenLayout & Configuration.SCREENLAYOUT_LONG_MASK; |
| |
| assertEquals("Expected screen size value of " + expectedSize + " but got " + actualSize |
| + " for orientation " + ORIENTATIONS[i], expectedSize, actualSize); |
| assertEquals("Expected screen long value of " + expectedLong + " but got " + actualLong |
| + " for orientation " + ORIENTATIONS[i], expectedLong, actualLong); |
| tearDown(); |
| } |
| } |
| |
| /** |
| * @return expected value of {@link Configuration#screenLayout} with the |
| * {@link Configuration#SCREENLAYOUT_LONG_MASK} and |
| * {@link Configuration#SCREENLAYOUT_SIZE_MASK} defined |
| */ |
| private int computeScreenLayout() throws Exception { |
| // 1. Start with the biggest configuration possible. |
| // 2. For each orientation start an activity and compute what it's screenLayout value is |
| // 3. Reduce the screenLayout values if they are smaller |
| // 4. Return the reduced value which is what should be reported |
| int screenLayout = Configuration.SCREENLAYOUT_SIZE_XLARGE |
| | Configuration.SCREENLAYOUT_LONG_YES; |
| for (int i = 0; i < ORIENTATIONS.length; i++) { |
| Activity activity = startOrientationActivity(ORIENTATIONS[i]); |
| screenLayout = reduceScreenLayout(activity, screenLayout); |
| tearDown(); |
| } |
| return screenLayout; |
| } |
| |
| private Activity startOrientationActivity(int orientation) { |
| Intent intent = new Intent(); |
| intent.putExtra(OrientationActivity.EXTRA_ORIENTATION, orientation); |
| setActivityIntent(intent); |
| return getActivity(); |
| } |
| |
| // Logic copied from WindowManagerService but using DisplayMetrics instead of internal APIs |
| private int reduceScreenLayout(Context context, int screenLayout) { |
| int screenLayoutSize; |
| boolean screenLayoutLong; |
| |
| WindowManager windowManager = |
| (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); |
| Display display = windowManager.getDefaultDisplay(); |
| DisplayMetrics metrics = new DisplayMetrics(); |
| display.getMetrics(metrics); |
| |
| int max = Math.max(metrics.widthPixels, metrics.heightPixels); |
| int min = Math.min(metrics.widthPixels, metrics.heightPixels); |
| int longSize = (int) (max / metrics.density); |
| int shortSize = (int) (min / metrics.density); |
| |
| if (longSize < 470) { |
| screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_SMALL; |
| screenLayoutLong = false; |
| } else { |
| if (longSize >= 960 && shortSize >= 720) { |
| screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_XLARGE; |
| } else if (longSize >= 640 && shortSize >= 480) { |
| screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_LARGE; |
| } else { |
| screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_NORMAL; |
| } |
| |
| if (((longSize * 3) / 5) >= (shortSize - 1)) { |
| screenLayoutLong = true; |
| } else { |
| screenLayoutLong = false; |
| } |
| } |
| |
| if (!screenLayoutLong) { |
| screenLayout = (screenLayout & ~Configuration.SCREENLAYOUT_LONG_MASK) |
| | Configuration.SCREENLAYOUT_LONG_NO; |
| } |
| int curSize = screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK; |
| if (screenLayoutSize < curSize) { |
| screenLayout = (screenLayout&~Configuration.SCREENLAYOUT_SIZE_MASK) |
| | screenLayoutSize; |
| } |
| return screenLayout; |
| } |
| } |