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/*
* Copyright (C) 2017 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 com.google.android.car.kitchensink.diagnostic;
import android.annotation.Nullable;
import android.car.Car;
import android.car.diagnostic.CarDiagnosticEvent;
import android.car.diagnostic.CarDiagnosticManager;
import android.car.diagnostic.CarDiagnosticManager.OnDiagnosticEventListener;
import android.graphics.Color;
import android.os.Bundle;
import android.support.car.hardware.CarSensorManager;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.google.android.car.kitchensink.KitchenSinkActivity;
import com.google.android.car.kitchensink.R;
import java.util.Objects;
public class DiagnosticTestFragment extends Fragment {
private static final String TAG = "CAR.DIAGNOSTIC.KS";
private KitchenSinkActivity mActivity;
private TextView mLiveDiagnosticInfo;
private TextView mFreezeDiagnosticInfo;
private CarDiagnosticManager mDiagnosticManager;
private final class TestListener implements OnDiagnosticEventListener {
private final TextView mTextView;
TestListener(TextView view) {
mTextView = Objects.requireNonNull(view);
}
@Override
public void onDiagnosticEvent(CarDiagnosticEvent carDiagnosticEvent) {
mTextView.post(() -> mTextView.setText(carDiagnosticEvent.toString()));
}
}
private OnDiagnosticEventListener mLiveListener;
private OnDiagnosticEventListener mFreezeListener;
@Nullable
@Override
public View onCreateView(
LayoutInflater inflater,
@Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.diagnostic, container, false);
mActivity = (KitchenSinkActivity) getHost();
mLiveDiagnosticInfo = (TextView) view.findViewById(R.id.live_diagnostic_info);
mLiveDiagnosticInfo.setTextColor(Color.RED);
mLiveListener = new TestListener(mLiveDiagnosticInfo);
mFreezeDiagnosticInfo = (TextView) view.findViewById(R.id.freeze_diagnostic_info);
mFreezeDiagnosticInfo.setTextColor(Color.RED);
mFreezeListener = new TestListener(mFreezeDiagnosticInfo);
return view;
}
@Override
public void onResume() {
super.onResume();
resumeDiagnosticManager();
}
@Override
public void onPause() {
super.onPause();
pauseDiagnosticManager();
}
private void resumeDiagnosticManager() {
try {
mDiagnosticManager =
(CarDiagnosticManager)mActivity.getCar().getCarManager(Car.DIAGNOSTIC_SERVICE);
if (mLiveListener != null) {
mDiagnosticManager.registerListener(mLiveListener,
CarDiagnosticManager.FRAME_TYPE_LIVE,
CarSensorManager.SENSOR_RATE_NORMAL);
}
if (mFreezeListener != null) {
mDiagnosticManager.registerListener(mFreezeListener,
CarDiagnosticManager.FRAME_TYPE_FREEZE,
CarSensorManager.SENSOR_RATE_NORMAL);
}
} catch (android.car.CarNotConnectedException|android.support.car.CarNotConnectedException e) {
Log.e(TAG, "Car not connected or not supported", e);
}
}
private void pauseDiagnosticManager() {
if (mDiagnosticManager != null) {
if (mLiveListener != null) {
mDiagnosticManager.unregisterListener(mLiveListener);
}
if (mFreezeListener != null) {
mDiagnosticManager.unregisterListener(mFreezeListener);
}
}
}
}
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