1fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata/* 2fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * Copyright (C) 2017 The Android Open Source Project 3fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * 4fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * Licensed under the Apache License, Version 2.0 (the "License"); 5fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * you may not use this file except in compliance with the License. 6fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * You may obtain a copy of the License at 7fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * 8fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * http://www.apache.org/licenses/LICENSE-2.0 9fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * 10fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * Unless required by applicable law or agreed to in writing, software 11fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * distributed under the License is distributed on an "AS IS" BASIS, 12fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * See the License for the specific language governing permissions and 14fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata * limitations under the License. 15fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata */ 16fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 17fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granatapackage com.google.android.car.obd2app; 18fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 19fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.app.Activity; 20fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.content.Intent; 21fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.content.SharedPreferences; 22fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.content.pm.ActivityInfo; 23fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.os.Bundle; 24fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.preference.PreferenceManager; 25fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.text.TextUtils; 26fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.util.Log; 27fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.view.View; 28fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.view.View.OnClickListener; 29fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.widget.Button; 30fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport android.widget.TextView; 31fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granataimport java.util.Timer; 32fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 33fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granatapublic class MainActivity extends Activity implements StatusNotification { 34fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata public static final String TAG = MainActivity.class.getSimpleName(); 35fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 36fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata private static final String BLUETOOTH_MAC_PREFERENCE_ID = "bluetooth_mac"; 37fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata private static final String SCAN_DELAY_PREFERENCE_ID = "scan_delay"; 38fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 39fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata private Obd2CollectionTask mCollectionTask = null; 40fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata private final Timer mTimer = new Timer("com.google.android.car.obd2app.collection"); 41fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 42fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata private String getBluetoothDongleMacFromPreferences(String defaultValue) { 43fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata SharedPreferences appPreferences = PreferenceManager.getDefaultSharedPreferences(this); 44fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata return appPreferences.getString(BLUETOOTH_MAC_PREFERENCE_ID, defaultValue); 45fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 46fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 47fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata private int getScanDelayFromPreferences(int defaultValue) { 48fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata SharedPreferences appPreferences = PreferenceManager.getDefaultSharedPreferences(this); 49fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata return appPreferences.getInt(SCAN_DELAY_PREFERENCE_ID, defaultValue); 50fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 51fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 52fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata @Override 53fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata protected void onCreate(Bundle savedInstanceState) { 54fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata super.onCreate(savedInstanceState); 55fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata setContentView(R.layout.activity_main); 56fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR); 57fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata String bluetoothDongleMac = getBluetoothDongleMacFromPreferences(""); 58fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata if (TextUtils.isEmpty(bluetoothDongleMac)) { 59fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata notifyNoDongle(); 60fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } else { 61fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata notifyPaired(bluetoothDongleMac); 62fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 63fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata findViewById(R.id.connection) 64fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata .setOnClickListener( 65fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata new OnClickListener() { 66fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata @Override 67fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata public void onClick(View v) { 68fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata handleConnection(v); 69fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 70fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata }); 71fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata Log.i(TAG, "I did all the things"); 72fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 73fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 74fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata private void stopConnection() { 75fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata mCollectionTask.cancel(); 76fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata mTimer.purge(); 77fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata mCollectionTask = null; 78fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 79fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 80fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata @Override 81fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata protected void onDestroy() { 82fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata stopConnection(); 83fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 84fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 85fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata public void doSettings(View view) { 86fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata Intent launchSettings = new Intent(this, SettingsActivity.class); 87fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata startActivity(launchSettings); 88fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 89fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 90fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata @Override 91fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata public void notify(String status) { 92fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata Log.i(TAG, status); 93fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata runOnUiThread(() -> ((TextView) findViewById(R.id.statusBar)).setText(status)); 94fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 95fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata 96fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata public void handleConnection(View view) { 97fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata String deviceAddress = getBluetoothDongleMacFromPreferences(""); 98fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata Log.i(TAG, "Considering a connection to " + deviceAddress); 99fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata if (TextUtils.isEmpty(deviceAddress)) { 100fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata notifyNoDongle(); 101fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 102fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata if (mCollectionTask == null) { 103fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata mCollectionTask = Obd2CollectionTask.create(this, this, deviceAddress); 104fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata if (null == mCollectionTask) { 105fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata notifyConnectionFailed(); 106fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata return; 107fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 108fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata final int delay = 1000 * getScanDelayFromPreferences(2); 109fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata mTimer.scheduleAtFixedRate(mCollectionTask, delay, delay); 110fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata ((Button) view).setText("Disconnect"); 111fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } else { 112fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata stopConnection(); 113fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata ((Button) view).setText("Connect"); 114fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 115fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata } 116fb08d625fe193d018a18abb2d3ffd71818419eb8Enrico Granata} 117