Merge "Fix get display from display context derived context not working" into... (3aca53d2) · Commits · e / os / android_frameworks_base

core/java/android/app/ContextImpl.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -2747,6 +2747,7 @@ class ContextImpl extends Context {
		opPackageName = container.mOpPackageName;
		setResources(container.mResources);
		mDisplay = container.mDisplay;
		mIsAssociatedWithDisplay = container.mIsAssociatedWithDisplay;
		mIsSystemOrSystemUiContext = container.mIsSystemOrSystemUiContext;
		} else {
		mBasePackageName = packageInfo.mPackageName;

core/tests/coretests/src/android/content/ContextTest.java

+44 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package android.content;

		import static android.hardware.display.DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY;
		import static android.hardware.display.DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC;
		import static android.view.Display.DEFAULT_DISPLAY;

		import static com.google.common.truth.Truth.assertThat;
		@@ -23,8 +25,13 @@ import static com.google.common.truth.Truth.assertThat;
		import static org.junit.Assert.assertEquals;

		import android.app.ActivityThread;
		import android.content.res.Configuration;
		import android.graphics.PixelFormat;
		import android.hardware.display.DisplayManager;
		import android.hardware.display.VirtualDisplay;
		import android.media.ImageReader;
		import android.os.UserHandle;
		import android.view.Display;

		import androidx.test.core.app.ApplicationProvider;
		import androidx.test.ext.junit.runners.AndroidJUnit4;
		@@ -127,4 +134,41 @@ public class ContextTest {

		assertThat(systemUiContext.isUiContext()).isTrue();
		}

		@Test
		public void testGetDisplayFromDisplayContextDerivedContextOnPrimaryDisplay() {
		verifyGetDisplayFromDisplayContextDerivedContext(false /* onSecondaryDisplay */);
		}

		@Test
		public void testGetDisplayFromDisplayContextDerivedContextOnSecondaryDisplay() {
		verifyGetDisplayFromDisplayContextDerivedContext(true /* onSecondaryDisplay */);
		}

		private static void verifyGetDisplayFromDisplayContextDerivedContext(
		boolean onSecondaryDisplay) {
		final Context appContext = ApplicationProvider.getApplicationContext();
		final DisplayManager displayManager = appContext.getSystemService(DisplayManager.class);
		final Display display;
		if (onSecondaryDisplay) {
		display = getSecondaryDisplay(displayManager);
		} else {
		display = displayManager.getDisplay(DEFAULT_DISPLAY);
		}
		final Context context = appContext.createDisplayContext(display)
		.createConfigurationContext(new Configuration());
		assertEquals(display, context.getDisplay());
		}

		private static Display getSecondaryDisplay(DisplayManager displayManager) {
		final int width = 800;
		final int height = 480;
		final int density = 160;
		ImageReader reader = ImageReader.newInstance(width, height, PixelFormat.RGBA_8888,
		2 /* maxImages */);
		VirtualDisplay virtualDisplay = displayManager.createVirtualDisplay(
		ContextTest.class.getName(), width, height, density, reader.getSurface(),
		VIRTUAL_DISPLAY_FLAG_PUBLIC \| VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY);
		return virtualDisplay.getDisplay();
		}
		}