DefaultAndroidImageResourceByResIdResolver.java
/*
* Copyright 2021 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 androidx.wear.tiles.renderer.internal;
import android.content.res.Resources;
import android.content.res.Resources.NotFoundException;
import android.graphics.drawable.Drawable;
import androidx.annotation.NonNull;
import androidx.wear.tiles.proto.ResourceProto.AndroidImageResourceByResId;
import androidx.wear.tiles.renderer.internal.ResourceResolvers.AndroidImageResourceByResIdResolver;
import com.google.common.util.concurrent.ListenableFuture;
/** Resource resolver for Android resources. */
public class DefaultAndroidImageResourceByResIdResolver
implements AndroidImageResourceByResIdResolver {
private final Resources mAndroidResources;
/**
* Constructor.
*
* @param androidResources An Android Resources instance for the tile provider's package. This
* is normally obtained from {@code PackageManager#getResourcesForApplication}.
*/
public DefaultAndroidImageResourceByResIdResolver(@NonNull Resources androidResources) {
this.mAndroidResources = androidResources;
}
@NonNull
@Override
public Drawable getDrawableOrThrow(@NonNull AndroidImageResourceByResId resource) {
return mAndroidResources.getDrawable(resource.getResourceId(), /* theme= */ null);
}
@Override
@NonNull
public ListenableFuture<Drawable> getDrawable(@NonNull AndroidImageResourceByResId resource) {
try {
return ResourceResolvers.createImmediateFuture(getDrawableOrThrow(resource));
} catch (NotFoundException ex) {
return ResourceResolvers.createFailedFuture(ex);
}
}
}