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Commit 13e35685 authored by Charles Chen's avatar Charles Chen Committed by Android (Google) Code Review
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Merge "Fix get display from display context derived context not working" into rvc-dev

parents 3862660d e22c4cb3

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();

    }

}