tests/tests/systemui/src/android/systemui/cts/LightBarTests.java - platform/cts - Git at Google

 /*
  * Copyright (C) 2015 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.systemui.cts;

 import static android.support.test.InstrumentationRegistry.getInstrumentation;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;

 import android.app.ActivityManager;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.UiAutomation;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.os.SystemClock;
 import android.support.test.rule.ActivityTestRule;
 import android.support.test.runner.AndroidJUnit4;
 import android.view.InputDevice;
 import android.view.MotionEvent;

 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;

 /**
  * Test for light status bar.
  *
  * mmma cts/tests/tests/systemui
  * cts-tradefed run commandAndExit cts-dev --module CtsSystemUiTestCases --test android.systemui.cts.LightBarTests --disable-reboot --skip-device-info --skip-all-system-status-check --skip-preconditions
  */
 @RunWith(AndroidJUnit4.class)
 public class LightBarTests extends LightBarTestBase {

     public static final String TAG = "LightStatusBarTests";

     private static final int WAIT_TIME = 2000;

     private final String NOTIFICATION_TAG = "TEST_TAG";
     private final String NOTIFICATION_CHANNEL_ID = "test_channel";
     private final String NOTIFICATION_GROUP_KEY = "test_group";
     private NotificationManager mNm;

     @Rule
     public ActivityTestRule<LightBarActivity> mActivityRule = new ActivityTestRule<>(
             LightBarActivity.class);

     @Test
     public void testLightStatusBarIcons() throws Throwable {
         mNm = (NotificationManager) getInstrumentation().getContext()
                 .getSystemService(Context.NOTIFICATION_SERVICE);
         NotificationChannel channel1 = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
                 NOTIFICATION_CHANNEL_ID, NotificationManager.IMPORTANCE_LOW);
         mNm.createNotificationChannel(channel1);

         PackageManager pm = getInstrumentation().getContext().getPackageManager();
         if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)
                 || pm.hasSystemFeature(PackageManager.FEATURE_TELEVISION)
                 || pm.hasSystemFeature(PackageManager.FEATURE_LEANBACK)
                 || isRunningInVR()) {
             // No status bar on TVs, watches and when running in VR.
             return;
         }

         if (!ActivityManager.isHighEndGfx()) {
             // non-highEndGfx devices don't do colored system bars.
             return;
         }

         // post 10 notifications to ensure enough icons in the status bar
         for (int i = 0; i < 10; i++) {
             Notification.Builder noti1 = new Notification.Builder(getInstrumentation().getContext(),
                     NOTIFICATION_CHANNEL_ID)
                     .setSmallIcon(R.drawable.ic_save)
                     .setChannelId(NOTIFICATION_CHANNEL_ID)
                     .setPriority(Notification.PRIORITY_LOW)
                     .setGroup(NOTIFICATION_GROUP_KEY);
             mNm.notify(NOTIFICATION_TAG, i, noti1.build());
         }

         requestLightBars(Color.RED /* background */);
         Thread.sleep(WAIT_TIME);

         Bitmap bitmap = takeStatusBarScreenshot(mActivityRule.getActivity());
         Stats s = evaluateLightBarBitmap(bitmap, Color.RED /* background */);
         assertLightStats(bitmap, s);

         mNm.cancelAll();
         mNm.deleteNotificationChannel(NOTIFICATION_CHANNEL_ID);
     }

     @Test
     public void testLightNavigationBar() throws Throwable {
         PackageManager pm = getInstrumentation().getContext().getPackageManager();
         if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)
                 || pm.hasSystemFeature(PackageManager.FEATURE_TELEVISION)
                 || pm.hasSystemFeature(PackageManager.FEATURE_LEANBACK)) {
             // No navigation bar on TVs and watches.
             return;
         }

         if (!ActivityManager.isHighEndGfx()) {
             // non-highEndGfx devices don't do colored system bars.
             return;
         }

         if (!hasVirtualNavigationBar()) {
             // No virtual navigation bar, so no effect.
             return;
         }

         requestLightBars(Color.RED /* background */);
         Thread.sleep(WAIT_TIME);

         // Inject a cancelled interaction with the nav bar to ensure it is at full opacity.
         int x = mActivityRule.getActivity().getWidth() / 2;
         int y = mActivityRule.getActivity().getBottom() + 10;
         injectCanceledTap(x, y);
         Thread.sleep(WAIT_TIME);

         Bitmap bitmap = takeNavigationBarScreenshot(mActivityRule.getActivity());
         Stats s = evaluateLightBarBitmap(bitmap, Color.RED /* background */);
         assertLightStats(bitmap, s);
     }

     private void injectCanceledTap(int x, int y) {
         long downTime = SystemClock.uptimeMillis();
         injectEvent(MotionEvent.ACTION_DOWN, x, y, downTime);
         injectEvent(MotionEvent.ACTION_CANCEL, x, y, downTime);
     }

     private void injectEvent(int action, int x, int y, long downTime) {
         final UiAutomation automation = getInstrumentation().getUiAutomation();
         final long eventTime = SystemClock.uptimeMillis();
         MotionEvent event = MotionEvent.obtain(downTime, eventTime, action, x, y, 0);
         event.setSource(InputDevice.SOURCE_TOUCHSCREEN);
         assertTrue(automation.injectInputEvent(event, true));
         event.recycle();
     }

     private void assertLightStats(Bitmap bitmap, Stats s) {
         boolean success = false;
         try {
             assertMoreThan("Not enough background pixels", 0.3f,
                     (float) s.backgroundPixels / s.totalPixels(),
                     "Is the bar background showing correctly (solid red)?");

             assertMoreThan("Not enough pixels colored as in the spec", 0.1f,
                     (float) s.iconPixels / s.foregroundPixels(),
                     "Are the bar icons colored according to the spec "
                             + "(60% black and 24% black)?");

             assertLessThan("Too many lighter pixels lighter than the background", 0.05f,
                     (float) s.sameHueLightPixels / s.foregroundPixels(),
                     "Are the bar icons dark?");

             assertLessThan("Too many pixels with a changed hue", 0.05f,
                     (float) s.unexpectedHuePixels / s.foregroundPixels(),
                     "Are the bar icons color-free?");

             success = true;
         } finally {
             if (!success) {
                 dumpBitmap(bitmap);
             }
         }
     }

     private boolean isRunningInVR() {
         final android.content.Context context =
             android.support.test.InstrumentationRegistry.getContext();
         android.content.res.Configuration config = context.getResources().getConfiguration();
         return (config.uiMode & android.content.res.Configuration.UI_MODE_TYPE_MASK)
         == android.content.res.Configuration.UI_MODE_TYPE_VR_HEADSET;
     }

     private void assertMoreThan(String what, float expected, float actual, String hint) {
         if (!(actual > expected)) {
             fail(what + ": expected more than " + expected * 100 + "%, but only got " + actual * 100
                     + "%; " + hint);
         }
     }

     private void assertLessThan(String what, float expected, float actual, String hint) {
         if (!(actual < expected)) {
             fail(what + ": expected less than " + expected * 100 + "%, but got " + actual * 100
                     + "%; " + hint);
         }
     }

     private void requestLightBars(final int background) throws Throwable {
         final LightBarActivity activity = mActivityRule.getActivity();
         activity.runOnUiThread(() -> {
             activity.getWindow().setStatusBarColor(background);
             activity.getWindow().setNavigationBarColor(background);
             activity.setLightStatusBar(true);
             activity.setLightNavigationBar(true);
         });
     }

     private static class Stats {
         int backgroundPixels;
         int iconPixels;
         int sameHueDarkPixels;
         int sameHueLightPixels;
         int unexpectedHuePixels;

         int totalPixels() {
             return backgroundPixels + iconPixels + sameHueDarkPixels
                     + sameHueLightPixels + unexpectedHuePixels;
         }

         int foregroundPixels() {
             return iconPixels + sameHueDarkPixels
                     + sameHueLightPixels + unexpectedHuePixels;
         }

         @Override
         public String toString() {
             return String.format("{bg=%d, ic=%d, dark=%d, light=%d, bad=%d}",
                     backgroundPixels, iconPixels, sameHueDarkPixels, sameHueLightPixels,
                     unexpectedHuePixels);
         }
     }

     private Stats evaluateLightBarBitmap(Bitmap bitmap, int background) {
         int iconColor = 0x99000000;
         int iconPartialColor = 0x3d000000;

         int mixedIconColor = mixSrcOver(background, iconColor);
         int mixedIconPartialColor = mixSrcOver(background, iconPartialColor);

         int[] pixels = new int[bitmap.getHeight() * bitmap.getWidth()];
         bitmap.getPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());

         Stats s = new Stats();
         float eps = 0.005f;

         for (int c : pixels) {
             if (c == background) {
                 s.backgroundPixels++;
                 continue;
             }

             // What we expect the icons to be colored according to the spec.
             if (c == mixedIconColor || c == mixedIconPartialColor) {
                 s.iconPixels++;
                 continue;
             }

             // Due to anti-aliasing, there will be deviations from the ideal icon color, but it
             // should still be mostly the same hue.
             float hueDiff = Math.abs(ColorUtils.hue(background) - ColorUtils.hue(c));
             if (hueDiff < eps || hueDiff > 1 - eps) {
                 // .. it shouldn't be lighter than the original background though.
                 if (ColorUtils.brightness(c) > ColorUtils.brightness(background)) {
                     s.sameHueLightPixels++;
                 } else {
                     s.sameHueDarkPixels++;
                 }
                 continue;
             }

             s.unexpectedHuePixels++;
         }

         return s;
     }

     private int mixSrcOver(int background, int foreground) {
         int bgAlpha = Color.alpha(background);
         int bgRed = Color.red(background);
         int bgGreen = Color.green(background);
         int bgBlue = Color.blue(background);

         int fgAlpha = Color.alpha(foreground);
         int fgRed = Color.red(foreground);
         int fgGreen = Color.green(foreground);
         int fgBlue = Color.blue(foreground);

         return Color.argb(fgAlpha + (255 - fgAlpha) * bgAlpha / 255,
                     fgRed + (255 - fgAlpha) * bgRed / 255,
                     fgGreen + (255 - fgAlpha) * bgGreen / 255,
                     fgBlue + (255 - fgAlpha) * bgBlue / 255);
     }
 }
	/*
	* Copyright (C) 2015 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.systemui.cts;

	import static android.support.test.InstrumentationRegistry.getInstrumentation;
	import static org.junit.Assert.assertTrue;
	import static org.junit.Assert.fail;

	import android.app.ActivityManager;
	import android.app.Notification;
	import android.app.NotificationChannel;
	import android.app.NotificationManager;
	import android.app.UiAutomation;
	import android.content.Context;
	import android.content.pm.PackageManager;
	import android.graphics.Bitmap;
	import android.graphics.Color;
	import android.os.SystemClock;
	import android.support.test.rule.ActivityTestRule;
	import android.support.test.runner.AndroidJUnit4;
	import android.view.InputDevice;
	import android.view.MotionEvent;

	import org.junit.Rule;
	import org.junit.Test;
	import org.junit.runner.RunWith;

	/**
	* Test for light status bar.
	*
	* mmma cts/tests/tests/systemui
	* cts-tradefed run commandAndExit cts-dev --module CtsSystemUiTestCases --test android.systemui.cts.LightBarTests --disable-reboot --skip-device-info --skip-all-system-status-check --skip-preconditions
	*/
	@RunWith(AndroidJUnit4.class)
	public class LightBarTests extends LightBarTestBase {

	public static final String TAG = "LightStatusBarTests";

	private static final int WAIT_TIME = 2000;

	private final String NOTIFICATION_TAG = "TEST_TAG";
	private final String NOTIFICATION_CHANNEL_ID = "test_channel";
	private final String NOTIFICATION_GROUP_KEY = "test_group";
	private NotificationManager mNm;

	@Rule
	public ActivityTestRule<LightBarActivity> mActivityRule = new ActivityTestRule<>(
	LightBarActivity.class);

	@Test
	public void testLightStatusBarIcons() throws Throwable {
	mNm = (NotificationManager) getInstrumentation().getContext()
	.getSystemService(Context.NOTIFICATION_SERVICE);
	NotificationChannel channel1 = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
	NOTIFICATION_CHANNEL_ID, NotificationManager.IMPORTANCE_LOW);
	mNm.createNotificationChannel(channel1);

	PackageManager pm = getInstrumentation().getContext().getPackageManager();
	if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)
	\|\| pm.hasSystemFeature(PackageManager.FEATURE_TELEVISION)
	\|\| pm.hasSystemFeature(PackageManager.FEATURE_LEANBACK)
	\|\| isRunningInVR()) {
	// No status bar on TVs, watches and when running in VR.
	return;
	}

	if (!ActivityManager.isHighEndGfx()) {
	// non-highEndGfx devices don't do colored system bars.
	return;
	}

	// post 10 notifications to ensure enough icons in the status bar
	for (int i = 0; i < 10; i++) {
	Notification.Builder noti1 = new Notification.Builder(getInstrumentation().getContext(),
	NOTIFICATION_CHANNEL_ID)
	.setSmallIcon(R.drawable.ic_save)
	.setChannelId(NOTIFICATION_CHANNEL_ID)
	.setPriority(Notification.PRIORITY_LOW)
	.setGroup(NOTIFICATION_GROUP_KEY);
	mNm.notify(NOTIFICATION_TAG, i, noti1.build());
	}

	requestLightBars(Color.RED /* background */);
	Thread.sleep(WAIT_TIME);

	Bitmap bitmap = takeStatusBarScreenshot(mActivityRule.getActivity());
	Stats s = evaluateLightBarBitmap(bitmap, Color.RED /* background */);
	assertLightStats(bitmap, s);

	mNm.cancelAll();
	mNm.deleteNotificationChannel(NOTIFICATION_CHANNEL_ID);
	}

	@Test
	public void testLightNavigationBar() throws Throwable {
	PackageManager pm = getInstrumentation().getContext().getPackageManager();
	if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)
	\|\| pm.hasSystemFeature(PackageManager.FEATURE_TELEVISION)
	\|\| pm.hasSystemFeature(PackageManager.FEATURE_LEANBACK)) {
	// No navigation bar on TVs and watches.
	return;
	}

	if (!ActivityManager.isHighEndGfx()) {
	// non-highEndGfx devices don't do colored system bars.
	return;
	}

	if (!hasVirtualNavigationBar()) {
	// No virtual navigation bar, so no effect.
	return;
	}

	requestLightBars(Color.RED /* background */);
	Thread.sleep(WAIT_TIME);

	// Inject a cancelled interaction with the nav bar to ensure it is at full opacity.
	int x = mActivityRule.getActivity().getWidth() / 2;
	int y = mActivityRule.getActivity().getBottom() + 10;
	injectCanceledTap(x, y);
	Thread.sleep(WAIT_TIME);

	Bitmap bitmap = takeNavigationBarScreenshot(mActivityRule.getActivity());
	Stats s = evaluateLightBarBitmap(bitmap, Color.RED /* background */);
	assertLightStats(bitmap, s);
	}

	private void injectCanceledTap(int x, int y) {
	long downTime = SystemClock.uptimeMillis();
	injectEvent(MotionEvent.ACTION_DOWN, x, y, downTime);
	injectEvent(MotionEvent.ACTION_CANCEL, x, y, downTime);
	}

	private void injectEvent(int action, int x, int y, long downTime) {
	final UiAutomation automation = getInstrumentation().getUiAutomation();
	final long eventTime = SystemClock.uptimeMillis();
	MotionEvent event = MotionEvent.obtain(downTime, eventTime, action, x, y, 0);
	event.setSource(InputDevice.SOURCE_TOUCHSCREEN);
	assertTrue(automation.injectInputEvent(event, true));
	event.recycle();
	}

	private void assertLightStats(Bitmap bitmap, Stats s) {
	boolean success = false;
	try {
	assertMoreThan("Not enough background pixels", 0.3f,
	(float) s.backgroundPixels / s.totalPixels(),
	"Is the bar background showing correctly (solid red)?");

	assertMoreThan("Not enough pixels colored as in the spec", 0.1f,
	(float) s.iconPixels / s.foregroundPixels(),
	"Are the bar icons colored according to the spec "
	+ "(60% black and 24% black)?");

	assertLessThan("Too many lighter pixels lighter than the background", 0.05f,
	(float) s.sameHueLightPixels / s.foregroundPixels(),
	"Are the bar icons dark?");

	assertLessThan("Too many pixels with a changed hue", 0.05f,
	(float) s.unexpectedHuePixels / s.foregroundPixels(),
	"Are the bar icons color-free?");

	success = true;
	} finally {
	if (!success) {
	dumpBitmap(bitmap);
	}
	}
	}

	private boolean isRunningInVR() {
	final android.content.Context context =
	android.support.test.InstrumentationRegistry.getContext();
	android.content.res.Configuration config = context.getResources().getConfiguration();
	return (config.uiMode & android.content.res.Configuration.UI_MODE_TYPE_MASK)
	== android.content.res.Configuration.UI_MODE_TYPE_VR_HEADSET;
	}

	private void assertMoreThan(String what, float expected, float actual, String hint) {
	if (!(actual > expected)) {
	fail(what + ": expected more than " + expected * 100 + "%, but only got " + actual * 100
	+ "%; " + hint);
	}
	}

	private void assertLessThan(String what, float expected, float actual, String hint) {
	if (!(actual < expected)) {
	fail(what + ": expected less than " + expected * 100 + "%, but got " + actual * 100
	+ "%; " + hint);
	}
	}

	private void requestLightBars(final int background) throws Throwable {
	final LightBarActivity activity = mActivityRule.getActivity();
	activity.runOnUiThread(() -> {
	activity.getWindow().setStatusBarColor(background);
	activity.getWindow().setNavigationBarColor(background);
	activity.setLightStatusBar(true);
	activity.setLightNavigationBar(true);
	});
	}

	private static class Stats {
	int backgroundPixels;
	int iconPixels;
	int sameHueDarkPixels;
	int sameHueLightPixels;
	int unexpectedHuePixels;

	int totalPixels() {
	return backgroundPixels + iconPixels + sameHueDarkPixels
	+ sameHueLightPixels + unexpectedHuePixels;
	}

	int foregroundPixels() {
	return iconPixels + sameHueDarkPixels
	+ sameHueLightPixels + unexpectedHuePixels;
	}

	@Override
	public String toString() {
	return String.format("{bg=%d, ic=%d, dark=%d, light=%d, bad=%d}",
	backgroundPixels, iconPixels, sameHueDarkPixels, sameHueLightPixels,
	unexpectedHuePixels);
	}
	}

	private Stats evaluateLightBarBitmap(Bitmap bitmap, int background) {
	int iconColor = 0x99000000;
	int iconPartialColor = 0x3d000000;

	int mixedIconColor = mixSrcOver(background, iconColor);
	int mixedIconPartialColor = mixSrcOver(background, iconPartialColor);

	int[] pixels = new int[bitmap.getHeight() * bitmap.getWidth()];
	bitmap.getPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());

	Stats s = new Stats();
	float eps = 0.005f;

	for (int c : pixels) {
	if (c == background) {
	s.backgroundPixels++;
	continue;
	}

	// What we expect the icons to be colored according to the spec.
	if (c == mixedIconColor \|\| c == mixedIconPartialColor) {
	s.iconPixels++;
	continue;
	}

	// Due to anti-aliasing, there will be deviations from the ideal icon color, but it
	// should still be mostly the same hue.
	float hueDiff = Math.abs(ColorUtils.hue(background) - ColorUtils.hue(c));
	if (hueDiff < eps \|\| hueDiff > 1 - eps) {
	// .. it shouldn't be lighter than the original background though.
	if (ColorUtils.brightness(c) > ColorUtils.brightness(background)) {
	s.sameHueLightPixels++;
	} else {
	s.sameHueDarkPixels++;
	}
	continue;
	}

	s.unexpectedHuePixels++;
	}

	return s;
	}

	private int mixSrcOver(int background, int foreground) {
	int bgAlpha = Color.alpha(background);
	int bgRed = Color.red(background);
	int bgGreen = Color.green(background);
	int bgBlue = Color.blue(background);

	int fgAlpha = Color.alpha(foreground);
	int fgRed = Color.red(foreground);
	int fgGreen = Color.green(foreground);
	int fgBlue = Color.blue(foreground);

	return Color.argb(fgAlpha + (255 - fgAlpha) * bgAlpha / 255,
	fgRed + (255 - fgAlpha) * bgRed / 255,
	fgGreen + (255 - fgAlpha) * bgGreen / 255,
	fgBlue + (255 - fgAlpha) * bgBlue / 255);
	}
	}