Experimental implementation of Instrumentation.startActivity (cce841ad) · Commits · e / os / android_frameworks_base

core/java/android/app/ContextImpl_ravenwood.java

+18 −1

Original line number	Diff line number	Diff line
		@@ -15,8 +15,12 @@
		*/
		package android.app;

		import static android.content.pm.PackageManager.PERMISSION_GRANTED;
		import static android.platform.test.ravenwood.RavenwoodExperimentalApiChecker.onExperimentalApiCalled;

		import android.content.pm.PackageManager;
		import android.os.FileUtils;
		import android.os.IBinder;
		import android.platform.test.ravenwood.RavenwoodPackageManager;

		import java.io.File;
		@@ -25,7 +29,7 @@ public class ContextImpl_ravenwood {
		private static final String TAG = "ContextImpl_ravenwood";

		static PackageManager getPackageManagerInner(ContextImpl contextImpl) {
		return new RavenwoodPackageManager(contextImpl);
		return RavenwoodPackageManager.create(contextImpl);
		}

		static File ensurePrivateDirExists(File file, int mode, int gid, String xattr) {
		@@ -40,4 +44,17 @@ public class ContextImpl_ravenwood {
		}
		return file;
		}

		/** Experimental implementation */
		static int checkPermission(ContextImpl self, String permission, int pid, int uid) {
		onExperimentalApiCalled(2);
		return PERMISSION_GRANTED;
		}

		/** Experimental implementation */
		static int checkPermission(ContextImpl self, String permission, int pid, int uid,
		IBinder callerToken) {
		onExperimentalApiCalled(2);
		return PERMISSION_GRANTED;
		}
		}

core/java/android/app/Instrumentation_ravenwood.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -15,7 +15,15 @@
		*/
		package android.app;

		import static android.platform.test.ravenwood.RavenwoodExperimentalApiChecker.onExperimentalApiCalled;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.UiThread;
		import android.content.Intent;
		import android.os.Bundle;
		import android.platform.test.ravenwood.RavenwoodUtils;
		import android.util.Log;

		public class Instrumentation_ravenwood {
		private static final String TAG = "Instrumentation_ravenwood";
		@@ -26,4 +34,27 @@ public class Instrumentation_ravenwood {
		static void checkPendingExceptionOnRavenwood() {
		RavenwoodUtils.getMainHandler().post(() -> {});
		}

		static Activity startActivitySync(@NonNull Instrumentation inst,
		@NonNull Intent intent,
		@Nullable Bundle options) {
		onExperimentalApiCalled(2);
		return RavenwoodUtils.runOnMainThreadSync(
		() -> startActivitySyncOnMain(inst, intent, options));
		}

		@UiThread
		private static Activity startActivitySyncOnMain(
		@NonNull Instrumentation inst,
		@NonNull Intent intent,
		@Nullable Bundle options) {
		Log.logStackTrace(Log.LOG_ID_MAIN, Log.INFO, TAG,
		"startActivity: intent=" + intent + " options=" + options, 2);

		try {
		return RavenwoodActivityDriver.getInstance().createResumedActivity(intent, options);
		} catch (Exception e) {
		throw new RuntimeException("Failed to start activity. Intent=" + intent, e);
		}
		}
		}

core/java/android/app/SystemServiceRegistry_ravenwood.java

+75 −0

Original line number	Diff line number	Diff line
		@@ -15,16 +15,31 @@
		*/
		package android.app;

		import static android.platform.test.ravenwood.RavenwoodExperimentalApiChecker.isExperimentalApiEnabled;

		import android.annotation.NonNull;
		import android.app.SystemServiceRegistry.CachedServiceFetcher;
		import android.app.SystemServiceRegistry.ServiceFetcher;
		import android.content.ClipboardManager;
		import android.content.Context;
		import android.hardware.input.InputManager;
		import android.os.IBinder;
		import android.os.IUserManager;
		import android.os.PermissionEnforcer;
		import android.os.ServiceManager;
		import android.os.ServiceManager.ServiceNotFoundException;
		import android.os.UserManager;
		import android.platform.test.ravenwood.RavenwoodPermissionEnforcer;
		import android.ravenwood.example.BlueManager;
		import android.ravenwood.example.RedManager;
		import android.view.LayoutInflater;
		import android.view.WindowManager;
		import android.view.WindowManagerImpl;
		import android.view.autofill.AutofillManager;
		import android.view.autofill.IAutoFillManager;
		import android.view.inputmethod.InputMethodManager;

		import com.android.internal.policy.PhoneLayoutInflater;

		public class SystemServiceRegistry_ravenwood {
		private SystemServiceRegistry_ravenwood() {
		@@ -67,6 +82,8 @@ public class SystemServiceRegistry_ravenwood {
		return new RavenwoodPermissionEnforcer();
		}});

		maybeRegisterExperimentalServices();

		registerRavenwoodSpecificServices();
		}

		@@ -87,4 +104,62 @@ public class SystemServiceRegistry_ravenwood {
		}
		});
		}

		/**
		* Register "experimental" system services, which are _not_ supported. They're used only for
		* Ravenwood internal development.
		*/
		private static void maybeRegisterExperimentalServices() {

		if (!isExperimentalApiEnabled()) {
		return;
		}

		registerService(Context.INPUT_SERVICE, InputManager.class,
		new CachedServiceFetcher<InputManager>() {
		@Override
		public InputManager createService(ContextImpl ctx) {
		return new InputManager(ctx.getOuterContext());
		}});

		registerService(Context.INPUT_METHOD_SERVICE, InputMethodManager.class,
		new ServiceFetcher<InputMethodManager>() {
		@Override
		public InputMethodManager getService(ContextImpl ctx) {
		return InputMethodManager.forContext(ctx.getOuterContext());
		}});

		registerService(Context.WINDOW_SERVICE, WindowManager.class,
		new CachedServiceFetcher<WindowManager>() {
		@Override
		public WindowManager createService(ContextImpl ctx) {
		return new WindowManagerImpl(ctx);
		}});

		registerService(Context.LAYOUT_INFLATER_SERVICE, LayoutInflater.class,
		new CachedServiceFetcher<LayoutInflater>() {
		@Override
		public LayoutInflater createService(ContextImpl ctx) {
		return new PhoneLayoutInflater(ctx.getOuterContext());
		}});

		registerService(Context.USER_SERVICE, UserManager.class,
		new CachedServiceFetcher<UserManager>() {
		@Override
		public UserManager createService(ContextImpl ctx) throws ServiceNotFoundException {
		IBinder b = ServiceManager.getServiceOrThrow(Context.USER_SERVICE);
		IUserManager service = IUserManager.Stub.asInterface(b);
		return new UserManager(ctx, service);
		}});

		registerService(Context.AUTOFILL_MANAGER_SERVICE, AutofillManager.class,
		new CachedServiceFetcher<AutofillManager>() {
		@Override
		public AutofillManager createService(ContextImpl ctx) throws ServiceNotFoundException {
		// Get the services without throwing as this is an optional feature
		IBinder b = ServiceManager.getService(Context.AUTOFILL_MANAGER_SERVICE);
		IAutoFillManager service = IAutoFillManager.Stub.asInterface(b);
		return new AutofillManager(ctx.getOuterContext(), service);
		}});
		}
		}

ravenwood/junit-impl-src/android/app/RavenwoodActivityDriver.java

0 → 100644

+152 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2025 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.app;

		import android.annotation.NonNull;
		import android.content.Intent;
		import android.content.pm.ActivityInfo;
		import android.content.pm.ApplicationInfo;
		import android.os.Binder;
		import android.os.Bundle;
		import android.platform.test.ravenwood.RavenwoodExperimentalApiChecker;
		import android.platform.test.ravenwood.RavenwoodUtils;
		import android.view.Display;
		import android.view.WindowManager;

		/**
		* Experimental implementation of launching activities.
		*/
		@SuppressWarnings("unchecked")
		public class RavenwoodActivityDriver {
		private static final RavenwoodActivityDriver sInstance = new RavenwoodActivityDriver();

		private RavenwoodActivityDriver() {
		}

		public static RavenwoodActivityDriver getInstance() {
		return sInstance;
		}

		@SuppressWarnings("unchecked")
		private static <T extends Activity> Class<T> resolveActivityClass(Intent intent) {
		try {
		// TODO: Handle the case where the component name is null.
		return (Class<T>) Class.forName(intent.getComponent().getClassName());
		} catch (Exception e) {
		throw new RuntimeException("Failed to start an activity", e);
		}
		}

		private static ActivityInfo makeActivityInfo(
		@NonNull ApplicationInfo appInfo, @NonNull Intent intent) {
		var clazz = resolveActivityClass(intent);

		// Here's an example ActivityInfo from the launcher:
		// http://screen/Beq9oSdYSntJr5k
		ActivityInfo acti = new ActivityInfo();
		acti.applicationInfo = appInfo;
		acti.enabled = true;
		acti.exported = true;
		acti.packageName = appInfo.packageName;

		acti.labelRes = 0; // TODO
		acti.launchMode = 2; // from the example
		acti.resizeMode = 2; // from the example
		acti.flags = 0; // TODO
		acti.name = clazz.getName();

		acti.processName = appInfo.packageName;

		return acti;
		}

		/**
		* Instantiate an activity and driver it to the "RESUMED" state.
		*/
		public <T extends Activity> T createResumedActivity(
		Intent intent,
		Bundle activityOptions // ignored for now.
		) throws Exception {
		RavenwoodExperimentalApiChecker.onExperimentalApiCalled(0);

		Application app = RavenwoodAppDriver.getInstance().getApplication();
		ContextImpl appImpl = ContextImpl.getImpl(app);
		ApplicationInfo appInfo = appImpl.getApplicationInfo();
		ActivityInfo activityInfo = makeActivityInfo(appInfo, intent);
		Binder token = new Binder();
		int displayId = Display.DEFAULT_DISPLAY;

		ContextImpl activityContextImpl = ContextImpl.createActivityContext(
		appImpl.mMainThread,
		appImpl.mPackageInfo,
		activityInfo,
		token,
		displayId,
		null // overrideConfiguration
		);

		T activity = (T) resolveActivityClass(intent).getConstructor().newInstance();
		activity.attach(
		activityContextImpl,
		appImpl.mMainThread,
		appImpl.mMainThread.mInstrumentation,
		token,
		0, // mIdent -- ??
		app,
		intent,
		activityInfo,
		"Activity title",
		null, // parent
		"embeddedID", // mEmbeddedID -- ??
		null, // lastNonConfigurationInstances
		null, // config
		"referrer",
		null, // IVoiceInteractor,
		null, // window
		null, // activityConfigCallback
		null, // assistToken
		null, // shareableActivityToken
		null // initialCallerInfoAccessToken
		);

		// ActivityController has this.
		// return create().start().postCreate(null).resume().visible().topActivityResumed(true);

		Bundle savedInstanceState = null;
		activity.performCreate(savedInstanceState);
		activity.performStart("Called by Ravenwood");
		activity.onPostCreate(savedInstanceState);
		activity.performResume(false, // Followed by pause
		"Called by Ravenwood");
		// ActivityController has
		// "emulate logic of ActivityThread#handleResumeActivity"

		// Make visible -- this requires some setup, which is copied from ActivityController.
		activity.getWindow().getAttributes().type =
		WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
		activity.mDecor = activity.getWindow().getDecorView();
		activity.makeVisible();

		activity.performTopResumedActivityChanged(
		true, // isTop
		"Called by Ravenwood");

		RavenwoodUtils.getMainHandler().post(() ->
		activity.getWindow().getDecorView().getViewRootImpl().windowFocusChanged(true));

		return activity;
		}
		}

ravenwood/junit-impl-src/android/app/RavenwoodAppDriver.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -75,6 +75,8 @@ public final class RavenwoodAppDriver {

		private final Instrumentation mInstrumentation;

		private final RavenwoodActivityDriver mActivityDriver = RavenwoodActivityDriver.getInstance();

		/**
		* Constructor. It essentially simulates the start of an app lifecycle.
		*
		@@ -174,6 +176,8 @@ public final class RavenwoodAppDriver {
		ai.sourceDir = env.getResourcesApkFile(packageName).getAbsolutePath();
		ai.publicSourceDir = ai.sourceDir;

		ai.processName = packageName;

		// TODO: Set CE/DE data dirs too.

		return ai;