Add InspectionCompanionProvider (a4850c44) · Commits · e / os / android_frameworks_base

api/current.txt

+9 −0

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		@@ -53405,6 +53405,11 @@ package android.view.inputmethod {

		package android.view.inspector {

		public class GeneratedInspectionCompanionProvider implements android.view.inspector.InspectionCompanionProvider {
		ctor public GeneratedInspectionCompanionProvider();
		method @Nullable public <T> android.view.inspector.InspectionCompanion<T> provide(@NonNull Class<T>);
		}

		public interface InspectionCompanion<T> {
		method @Nullable public default String getNodeName();
		method public void mapProperties(@NonNull android.view.inspector.PropertyMapper);
		@@ -53415,6 +53420,10 @@ package android.view.inspector {
		ctor public InspectionCompanion.UninitializedPropertyMapException();
		}

		public interface InspectionCompanionProvider {
		method @Nullable public <T> android.view.inspector.InspectionCompanion<T> provide(@NonNull Class<T>);
		}

		public final class IntEnumMapping {
		method @Nullable public String get(int);
		}

core/java/android/view/inspector/GeneratedInspectionCompanionProvider.java

0 → 100644

+47 −0

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		/*
		* Copyright 2019 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.view.inspector;

		import android.annotation.NonNull;
		import android.annotation.Nullable;

		/**
		* An inspection companion provider that loads pre-generated inspection companions
		*
		* @see android.processor.view.inspector.PlatformInspectableProcessor
		*/
		public class GeneratedInspectionCompanionProvider implements InspectionCompanionProvider {
		/**
		* The suffix used for the generated class
		*/
		private static final String COMPANION_SUFFIX = "$$InspectionCompanion";

		@Override
		@Nullable
		@SuppressWarnings("unchecked")
		public <T> InspectionCompanion<T> provide(@NonNull Class<T> cls) {
		final String companionName = cls.getName() + COMPANION_SUFFIX;

		try {
		final Class<InspectionCompanion<T>> companionClass =
		(Class<InspectionCompanion<T>>) cls.getClassLoader().loadClass(companionName);
		return companionClass.newInstance();
		} catch (ClassNotFoundException \| InstantiationException \| IllegalAccessException e) {
		return null;
		}
		}
		}

core/java/android/view/inspector/InspectionCompanionProvider.java

0 → 100644

+37 −0

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		/*
		* Copyright 2019 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.view.inspector;

		import android.annotation.NonNull;
		import android.annotation.Nullable;

		/**
		* An interface for services that can provide inspection companions for a class.
		*/
		public interface InspectionCompanionProvider {
		/**
		* Provide an {@link InspectionCompanion} for the supplied class.
		*
		* Implementing classes must not cache companion instances, and should instantiate a new one
		* for each request.
		*
		* @param cls A {@link Class} representing the inspectable type
		* @param <T> The type to find the companion for
		* @return The inspection companion for the supplied type
		*/
		@Nullable
		<T> InspectionCompanion<T> provide(@NonNull Class<T> cls);
		}