car-default-input-service/src/android/car/input/service/DefaultInputService.java

/*
 * Copyright (C) 2016 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.car.input.service;

import android.car.input.CarInputHandlingService;
import android.car.input.CarInputHandlingService.InputFilter;
import android.util.Log;
import android.view.KeyEvent;

/**
 * Default implementation of {@link CarInputHandlingService}.
 *
 * This implementation does nothing, just serves as showcase how input service should be
 * implemented.
 */
public class DefaultInputService extends CarInputHandlingService {
    private static final String TAG = DefaultInputService.class.getSimpleName();

    public DefaultInputService() {
        super(new InputFilter[0]);
    }

    @Override
    protected void onKeyEvent(KeyEvent event, int targetDisplay) {
        // Implement your handling here
        Log.i(TAG, "onKeyEvent(" + event + ", " + targetDisplay + ")");
    }
}