Java tutorial
/* * 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.assistant; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.view.HapticFeedbackConstants; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.Toast; import com.google.android.car.kitchensink.R; public class CarAssistantFragment extends Fragment { private ImageView mMic; @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View v = inflater.inflate(R.layout.car_assistant, container, false); mMic = (ImageView) v.findViewById(R.id.voice_button); Context context = getContext(); mMic.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); Intent intent = new Intent(); intent.setAction(getContext().getString(R.string.assistant_activity_action)); if (intent.resolveActivity(context.getPackageManager()) != null) { startActivity(intent); } else { Toast.makeText(context, "Assistant app is not available.", Toast.LENGTH_SHORT).show(); } } }); return v; } }