Java tutorial
/* * Copyright (C) 2009 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.sorin.cloudcog.car.obd2; import android.annotation.SuppressLint; import android.app.ActionBar; import android.app.Activity; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.content.Context; import android.content.Intent; import android.hardware.Sensor; import android.hardware.SensorManager; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.support.v4.app.FragmentActivity; import android.support.v4.view.ViewPager; import android.util.Log; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.animation.LinearInterpolator; import android.view.animation.RotateAnimation; import android.view.inputmethod.EditorInfo; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import android.widget.ToggleButton; import com.sorin.cloudcog.R; import com.sorin.cloudcog.ShakeDetectorActivity; import com.sorin.cloudcog.ShakeDetectorActivity.OnShakeListener; import com.sorin.cloudcog.car.view.CarTabFragmentHandlerRuby; import com.sorin.cloudcog.geolocation.MapRouteActivity; import com.sorin.cloudcog.xivelypull.Login; import com.sorin.cloudcog.xivelypush.XivelyAndroidResourcesActivity; import com.viewpagerindicator.PageIndicator; import com.viewpagerindicator.TitlePageIndicator; /** * This is the main Activity that displays the current chat session. * * @param <ImageView> */ @SuppressLint("HandlerLeak") public class RubyBluetoothChatActivity<ImageView> extends FragmentActivity { // fragment management CarTabFragmentHandlerRuby mRubyAdapter; ViewPager mRubyPager; PageIndicator mRubyIndicator; // The following are used for the shake detection private SensorManager mSensorManager; private Sensor mAccelerometer; private ShakeDetectorActivity mShakeDetector; // Debugging private static final String TAG = "BluetoothChat"; private static final boolean D = true; // Message types sent from the BluetoothChatService Handler public static final int MESSAGE_STATE_CHANGE = 1; public static final int MESSAGE_READ = 2; public static final int MESSAGE_WRITE = 3; public static final int MESSAGE_DEVICE_NAME = 4; public static final int MESSAGE_TOAST = 5; // Key names received from the BluetoothChatService Handler public static final String DEVICE_NAME = "device_name"; public static final String TOAST = "toast"; // Intent request codes private static final int REQUEST_CONNECT_DEVICE_SECURE = 1; private static final int REQUEST_CONNECT_DEVICE_INSECURE = 2; private static final int REQUEST_ENABLE_BT = 3; // Layout Views private ListView mConversationView; private EditText mOutEditText; private Button mSendButton; // Name of the connected device private String mConnectedDeviceName = null; // Array adapter for the conversation thread private ArrayAdapter<String> mConversationArrayAdapter; // String buffer for outgoing messages private StringBuffer mOutStringBuffer; // Local Bluetooth adapter private BluetoothAdapter mBluetoothAdapter = null; // Member object for the chat services private BluetoothChatService mChatService = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (D) Log.e(TAG, "+++ ON CREATE +++"); // Set up the window layout setContentView(R.layout.car_pager_main_ruby); // toast message at begining of activity start Toast.makeText(this, "Ruby Red Style OBD2 data console", Toast.LENGTH_SHORT).show(); mRubyAdapter = new CarTabFragmentHandlerRuby(getSupportFragmentManager()); mRubyPager = (ViewPager) findViewById(R.id.pager_ruby); mRubyPager.setAdapter(mRubyAdapter); mRubyIndicator = (TitlePageIndicator) findViewById(R.id.indicator_ruby); mRubyIndicator.setViewPager(mRubyPager); // When shacked it will return to main activity initialization mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE); mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); mShakeDetector = new ShakeDetectorActivity(); mShakeDetector.setOnShakeListener(new OnShakeListener() { // shake handler @Override public void onShake(int count) { RubyBluetoothChatActivity.this.finish(); } }); // Get local Bluetooth adapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); // If the adapter is null, then Bluetooth is not supported if (mBluetoothAdapter == null) { Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show(); finish(); return; } } @Override public void onStart() { super.onStart(); if (D) Log.e(TAG, "++ ON START ++"); // If BT is not on, request that it be enabled. // setupChat() will then be called during onActivityResult if (!mBluetoothAdapter.isEnabled()) { Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableIntent, REQUEST_ENABLE_BT); // Otherwise, setup the chat session } else { if (mChatService == null) setupChat(); } } @Override public synchronized void onResume() { super.onResume(); if (D) Log.e(TAG, "+ ON RESUME +"); // Add the following line to register the Session Manager Listener // onResume mSensorManager.registerListener(mShakeDetector, mAccelerometer, SensorManager.SENSOR_DELAY_UI); // Performing this check in onResume() covers the case in which BT was // not enabled during onStart(), so we were paused to enable it... // onResume() will be called when ACTION_REQUEST_ENABLE activity // returns. if (mChatService != null) { // Only if the state is STATE_NONE, do we know that we haven't // started already if (mChatService.getState() == BluetoothChatService.STATE_NONE) { // Start the Bluetooth chat services mChatService.start(); } } } // keep track of current PID number int message_number = 1; private void setupChat() { Log.d(TAG, "setupChat()"); // Initialize the array adapter for the conversation thread mConversationArrayAdapter = new ArrayAdapter<String>(this, R.layout.message); mConversationView = (ListView) findViewById(R.id.in); mConversationView.setAdapter(mConversationArrayAdapter); // Initialize the compose field with a listener for the return key // mOutEditText = (EditText) findViewById(R.id.edit_text_out); // mOutEditText.setOnEditorActionListener(mWriteListener); // Initialize the send button with a listener that for click events /* * mSendButton = (Button) findViewById(R.id.button_send); * mSendButton.setOnClickListener(new OnClickListener() { public void * onClick(View v) { // Send a message using content of the edit text * widget TextView view = (TextView) findViewById(R.id.edit_text_out); * String message = view.getText().toString(); sendMessage(message + * '\r'); } }); */ // Initialize the BluetoothChatService to perform bluetooth connections mChatService = new BluetoothChatService(this, mHandler); // Initialize the buffer for outgoing messages mOutStringBuffer = new StringBuffer(""); // ---Get Vehicle Data Button--- final ToggleButton getDataButton = (ToggleButton) findViewById(R.id.toggleButton1); getDataButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if (getDataButton.isChecked()) { startTransmission(); } else { message_number = 0; } } }); // ---Clear Trouble Codes Button--- Button getCodesButton = (Button) findViewById(R.id.button2); getCodesButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { clearCodes(); } }); } public void startTransmission() { sendMessage("01 00" + '\r'); } public void getData(int messagenumber) { final TextView TX = (TextView) findViewById(R.id.silver_TXView2); switch (messagenumber) { case 1: sendMessage("01 0C" + '\r'); // get RPM TX.setText("01 0C"); messagenumber++; break; case 2: sendMessage("01 0D" + '\r'); // get MPH TX.setText("01 0D"); messagenumber++; break; case 3: sendMessage("01 04" + '\r'); // get Engine Load TX.setText("01 04"); messagenumber++; break; case 4: sendMessage("01 05" + '\r'); // get Coolant Temperature TX.setText("01 05"); messagenumber++; break; case 5: sendMessage("01 0F" + '\r'); // get Intake Temperature TX.setText("01 0F"); messagenumber++; break; case 6: sendMessage("AT RV" + '\r'); // get Voltage TX.setText("AT RV"); messagenumber++; break; default: ; } } public void clearCodes() { final TextView TX = (TextView) findViewById(R.id.silver_TXView2); if (mConnectedDeviceName != null) { sendMessage("04" + '\r'); // send Clear Trouble Codes Command TX.setText("Clear Codes"); Toast.makeText(getApplicationContext(), "OBD Trouble Codes Cleared", Toast.LENGTH_SHORT).show(); } else { Toast.makeText(getApplicationContext(), "OBD Adapter NOT CONNECTED", Toast.LENGTH_SHORT).show(); } } @Override public synchronized void onPause() { super.onPause(); if (D) Log.e(TAG, "- ON PAUSE -"); // Add the following line to unregister the Sensor Manager onPause mSensorManager.unregisterListener(mShakeDetector); } @Override public void onStop() { super.onStop(); if (D) Log.e(TAG, "-- ON STOP --"); } @Override public void onDestroy() { super.onDestroy(); // Stop the Bluetooth chat services if (mChatService != null) mChatService.stop(); if (D) Log.e(TAG, "--- ON DESTROY ---"); } /* * private void ensureDiscoverable() { if(D) Log.d(TAG, * "ensure discoverable"); if (mBluetoothAdapter.getScanMode() != * BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE) { Intent * discoverableIntent = new * Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE); * discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, * 300); startActivity(discoverableIntent); } } */ /** * Sends a message. * * @param message * A string of text to send. */ private void sendMessage(String message) { // Check that we're actually connected before trying anything if (mChatService.getState() != BluetoothChatService.STATE_CONNECTED) { Toast.makeText(this, R.string.not_connected, Toast.LENGTH_SHORT).show(); return; } // Check that there's actually something to send if (message.length() > 0) { // Get the message bytes and tell the BluetoothChatService to write byte[] send = message.getBytes(); mChatService.write(send); // Reset out string buffer to zero and clear the edit text field mOutStringBuffer.setLength(0); // mOutEditText.setText(mOutStringBuffer); } } // The action listener for the EditText widget, to listen for the return key private TextView.OnEditorActionListener mWriteListener = new TextView.OnEditorActionListener() { public boolean onEditorAction(TextView view, int actionId, KeyEvent event) { // If the action is a key-up event on the return key, send the // message if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_UP) { String message = view.getText().toString(); sendMessage(message); } if (D) Log.i(TAG, "END onEditorAction"); return true; } }; private final void setStatus(int resId) { final ActionBar actionBar = getActionBar(); actionBar.setSubtitle(resId); } private final void setStatus(CharSequence subTitle) { final ActionBar actionBar = getActionBar(); actionBar.setSubtitle(subTitle); } // Contains previous value of parameters for gauge transition int prev_intake = 0; int prev_load = 0; int prev_coolant = 0; int prev_MPH = 0; int prev_RPM = 0; int prev_voltage = 0; // The Handler that gets information back from the BluetoothChatService private final Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { // <--------- Initialize Data Display Fields ---------->// final TextView RPM = (TextView) findViewById(R.id.RPMView); final TextView MPH = (TextView) findViewById(R.id.MPHView); final TextView engineLoad = (TextView) findViewById(R.id.LoadView); final TextView coolantTemperature = (TextView) findViewById(R.id.CoolantView); final TextView intakeTemperature = (TextView) findViewById(R.id.IntakeView); final TextView voltage = (TextView) findViewById(R.id.voltView); final TextView RX = (TextView) findViewById(R.id.silver_RXView2); // <-------- Initialize Needle Animations --------->// final ImageView pointer; final ImageView pointer1; final ImageView pointer2; final ImageView pointer3; final ImageView pointer4; final ImageView pointer5; final ImageView pointer6; pointer = (ImageView) findViewById(R.id.rpm_needle); pointer1 = (ImageView) findViewById(R.id.kmh_needle); pointer2 = (ImageView) findViewById(R.id.engload_needle); pointer3 = (ImageView) findViewById(R.id.coolant_needle); pointer4 = (ImageView) findViewById(R.id.intake_needle); pointer5 = (ImageView) findViewById(R.id.voltage_needle); String dataRecieved; int value = 0; int value2 = 0; int PID = 0; switch (msg.what) { case MESSAGE_STATE_CHANGE: if (D) Log.i(TAG, "MESSAGE_STATE_CHANGE: " + msg.arg1); switch (msg.arg1) { case BluetoothChatService.STATE_CONNECTED: setStatus(getString(R.string.title_connected_to, mConnectedDeviceName)); mConversationArrayAdapter.clear(); break; case BluetoothChatService.STATE_CONNECTING: setStatus(R.string.title_connecting); break; case BluetoothChatService.STATE_LISTEN: case BluetoothChatService.STATE_NONE: setStatus(R.string.title_not_connected); break; } break; case MESSAGE_WRITE: byte[] writeBuf = (byte[]) msg.obj; // construct a string from the buffer String writeMessage = new String(writeBuf); // mConversationArrayAdapter.add("Me: " + writeMessage); break; case MESSAGE_READ: byte[] readBuf = (byte[]) msg.obj; // construct a string from the valid bytes in the buffer String readMessage = new String(readBuf, 0, msg.arg1); // ------- ADDED CODE FOR OBD -------- // dataRecieved = readMessage; RX.setText(dataRecieved); if ((dataRecieved != null) && (dataRecieved.matches("\\s*[0-9A-Fa-f]{2} [0-9A-Fa-f]{2}\\s*\r?\n?"))) { dataRecieved = dataRecieved.trim(); String[] bytes = dataRecieved.split(" "); if ((bytes[0] != null) && (bytes[1] != null)) { PID = Integer.parseInt(bytes[0].trim(), 16); value = Integer.parseInt(bytes[1].trim(), 16); } switch (PID) { case 15:// PID(0F): Intake Temperature value = value - 40; // Formula for Intake Temperature value = ((value * 9) / 5) + 32; // Convert from Celsius // to Farenheit String displayIntakeTemp = String.valueOf(value); intakeTemperature.setText(displayIntakeTemp); int needle_value = (((value - 30) * 21) / 10) - 105; if (prev_intake == 0) { RotateAnimation Intake_animation = new RotateAnimation(-105, needle_value, 30, 97); prev_intake = needle_value; Intake_animation.setInterpolator(new LinearInterpolator()); Intake_animation.setDuration(500); Intake_animation.setFillAfter(true); ((View) pointer4).startAnimation(Intake_animation); } else { RotateAnimation Intake_animation = new RotateAnimation(prev_intake, needle_value, 30, 97); prev_intake = needle_value; Intake_animation.setInterpolator(new LinearInterpolator()); Intake_animation.setDuration(500); Intake_animation.setFillAfter(true); ((View) pointer4).startAnimation(Intake_animation); } break; case 4:// PID(04): Engine Load value = (value * 100) / 255; needle_value = ((value * 21) / 10) - 105; String displayEngineLoad = String.valueOf(value); if (prev_load == 0) { prev_load = needle_value; RotateAnimation Load_animation = new RotateAnimation(-105, needle_value, 30, 97); Load_animation.setInterpolator(new LinearInterpolator()); Load_animation.setDuration(500); Load_animation.setFillAfter(true); ((View) pointer2).startAnimation(Load_animation); } else { RotateAnimation Load_animation = new RotateAnimation(prev_load, needle_value, 30, 97); prev_load = needle_value; Load_animation.setInterpolator(new LinearInterpolator()); Load_animation.setDuration(500); Load_animation.setFillAfter(true); ((View) pointer2).startAnimation(Load_animation); } engineLoad.setText(displayEngineLoad); break; case 5:// PID(05): Coolant Temperature value = value - 40; value = ((value * 9) / 5) + 32; // convert to deg F needle_value = (((value - 50) * 21) / 20) - 105; if (prev_coolant == 0) { RotateAnimation Coolant_animation = new RotateAnimation(-83, needle_value, 30, 97); Coolant_animation.setInterpolator(new LinearInterpolator()); Coolant_animation.setDuration(500); Coolant_animation.setFillAfter(true); ((View) pointer3).startAnimation(Coolant_animation); prev_coolant = needle_value; } else { RotateAnimation Coolant_animation = new RotateAnimation(prev_coolant, needle_value, 30, 97); Coolant_animation.setInterpolator(new LinearInterpolator()); Coolant_animation.setDuration(500); Coolant_animation.setFillAfter(true); ((View) pointer3).startAnimation(Coolant_animation); prev_coolant = needle_value; } String displayCoolantTemp = String.valueOf(value); coolantTemperature.setText(displayCoolantTemp); break; case 12: // PID(0C): RPM int RPM_value = (value * 256) / 4; needle_value = ((RPM_value * 22) / 1000) - 85; if (prev_RPM == 0) { RotateAnimation RPM_animation = new RotateAnimation(-85, needle_value, 30, 97); RPM_animation.setInterpolator(new LinearInterpolator()); RPM_animation.setDuration(500); RPM_animation.setFillAfter(true); ((View) pointer).startAnimation(RPM_animation); prev_RPM = needle_value; } else { RotateAnimation RPM_animation = new RotateAnimation(prev_RPM, needle_value, 30, 97); RPM_animation.setInterpolator(new LinearInterpolator()); RPM_animation.setDuration(500); RPM_animation.setFillAfter(true); ((View) pointer).startAnimation(RPM_animation); prev_RPM = needle_value; } String displayRPM = String.valueOf(RPM_value); RPM.setText(displayRPM); break; case 13:// PID(0D): MPH value = (value * 5) / 8; // convert KPH to MPH needle_value = ((value * 21) / 20) - 85; if (prev_MPH == 0) { RotateAnimation MPH_animation = new RotateAnimation(-85, needle_value, 30, 97); MPH_animation.setInterpolator(new LinearInterpolator()); MPH_animation.setDuration(500); MPH_animation.setFillAfter(true); ((View) pointer1).startAnimation(MPH_animation); prev_MPH = needle_value; } else { RotateAnimation MPH_animation = new RotateAnimation(prev_MPH, needle_value, 30, 97); MPH_animation.setInterpolator(new LinearInterpolator()); MPH_animation.setDuration(500); MPH_animation.setFillAfter(true); ((View) pointer1).startAnimation(MPH_animation); prev_MPH = needle_value; } String displayMPH = String.valueOf(value); MPH.setText(displayMPH); break; default: ; } } else if ((dataRecieved != null) && (dataRecieved.matches("\\s*[0-9A-Fa-f]{1,2} [0-9A-Fa-f]{2} [0-9A-Fa-f]{2}\\s*\r?\n?"))) { dataRecieved = dataRecieved.trim(); String[] bytes = dataRecieved.split(" "); if ((bytes[0] != null) && (bytes[1] != null) && (bytes[2] != null)) { PID = Integer.parseInt(bytes[0].trim(), 16); value = Integer.parseInt(bytes[1].trim(), 16); value2 = Integer.parseInt(bytes[2].trim(), 16); } // PID(0C): RPM if (PID == 12) { int RPM_value = ((value * 256) + value2) / 4; int needle_value = ((RPM_value * 22) / 1000) - 85; if (prev_RPM == 0) { RotateAnimation RPM_animation = new RotateAnimation(-85, needle_value, 30, 97); RPM_animation.setInterpolator(new LinearInterpolator()); RPM_animation.setDuration(500); RPM_animation.setFillAfter(true); ((View) pointer).startAnimation(RPM_animation); prev_RPM = needle_value; } else { RotateAnimation RPM_animation = new RotateAnimation(prev_RPM, needle_value, 30, 97); RPM_animation.setInterpolator(new LinearInterpolator()); RPM_animation.setDuration(500); RPM_animation.setFillAfter(true); ((View) pointer).startAnimation(RPM_animation); prev_RPM = needle_value; } String displayRPM = String.valueOf(RPM_value); RPM.setText(displayRPM); } else if ((PID == 1) || (PID == 65)) { switch (value) { case 15:// PID(0F): Intake Temperature value2 = value2 - 40; // formula for INTAKE AIR TEMP value2 = ((value2 * 9) / 5) + 32; // convert to deg // F int needle_value = (((value2 - 30) * 21) / 10) - 105; if (prev_intake == 0) { RotateAnimation Intake_animation = new RotateAnimation(-105, needle_value, 30, 97); prev_intake = needle_value; Intake_animation.setInterpolator(new LinearInterpolator()); Intake_animation.setDuration(500); Intake_animation.setFillAfter(true); ((View) pointer4).startAnimation(Intake_animation); } else { RotateAnimation Intake_animation = new RotateAnimation(prev_intake, needle_value, 30, 97); prev_intake = needle_value; Intake_animation.setInterpolator(new LinearInterpolator()); Intake_animation.setDuration(500); Intake_animation.setFillAfter(true); ((View) pointer4).startAnimation(Intake_animation); } String displayIntakeTemp = String.valueOf(value2); intakeTemperature.setText(displayIntakeTemp); break; case 4:// PID(04): Engine Load value2 = (value2 * 100) / 255; String displayEngineLoad = String.valueOf(value2); needle_value = ((value2 * 21) / 10) - 105; if (prev_load == 0) { prev_load = needle_value; RotateAnimation Load_animation = new RotateAnimation(-105, needle_value, 30, 97); Load_animation.setInterpolator(new LinearInterpolator()); Load_animation.setDuration(500); Load_animation.setFillAfter(true); ((View) pointer2).startAnimation(Load_animation); } else { RotateAnimation Load_animation = new RotateAnimation(prev_load, needle_value, 30, 97); prev_load = needle_value; Load_animation.setInterpolator(new LinearInterpolator()); Load_animation.setDuration(500); Load_animation.setFillAfter(true); ((View) pointer2).startAnimation(Load_animation); } engineLoad.setText(displayEngineLoad); break; case 5:// PID(05): Coolant Temperature value2 = value2 - 40; value2 = ((value2 * 9) / 5) + 32; // convert to deg // F needle_value = (((value2 - 50) * 21) / 20) - 105; if (prev_coolant == 0) { RotateAnimation Coolant_animation = new RotateAnimation(-83, needle_value, 30, 97); Coolant_animation.setInterpolator(new LinearInterpolator()); Coolant_animation.setDuration(500); Coolant_animation.setFillAfter(true); ((View) pointer3).startAnimation(Coolant_animation); prev_coolant = needle_value; } else { RotateAnimation Coolant_animation = new RotateAnimation(prev_coolant, needle_value, 30, 97); Coolant_animation.setInterpolator(new LinearInterpolator()); Coolant_animation.setDuration(500); Coolant_animation.setFillAfter(true); ((View) pointer3).startAnimation(Coolant_animation); prev_coolant = needle_value; } String displayCoolantTemp = String.valueOf(value2); coolantTemperature.setText(displayCoolantTemp); break; case 13:// PID(0D): MPH value2 = (value2 * 5) / 8; // convert to MPH needle_value = ((value2 * 21) / 20) - 85; if (prev_MPH == 0) { RotateAnimation MPH_animation = new RotateAnimation(-85, needle_value, 30, 97); MPH_animation.setInterpolator(new LinearInterpolator()); MPH_animation.setDuration(500); MPH_animation.setFillAfter(true); ((View) pointer1).startAnimation(MPH_animation); prev_MPH = needle_value; } else { RotateAnimation MPH_animation = new RotateAnimation(prev_MPH, needle_value, 30, 97); MPH_animation.setInterpolator(new LinearInterpolator()); MPH_animation.setDuration(500); MPH_animation.setFillAfter(true); ((View) pointer1).startAnimation(MPH_animation); prev_MPH = needle_value; } String displayMPH = String.valueOf(value2); MPH.setText(displayMPH); break; default: ; } } } else if ((dataRecieved != null) && (dataRecieved.matches("\\s*[0-9]+(\\.[0-9]?)?V\\s*\r*\n*"))) { dataRecieved = dataRecieved.trim(); String volt_number = dataRecieved.substring(0, dataRecieved.length() - 1); double needle_value = Double.parseDouble(volt_number); needle_value = (((needle_value - 11) * 21) / 0.5) - 100; int volt_value = (int) (needle_value); if (prev_voltage == 0) { RotateAnimation Voltage_animation = new RotateAnimation(-100, volt_value, 30, 97); Voltage_animation.setInterpolator(new LinearInterpolator()); Voltage_animation.setDuration(500); Voltage_animation.setFillAfter(true); ((View) pointer5).startAnimation(Voltage_animation); prev_voltage = volt_value; } else { RotateAnimation Voltage_animation = new RotateAnimation(prev_voltage, volt_value, 30, 97); Voltage_animation.setInterpolator(new LinearInterpolator()); Voltage_animation.setDuration(500); Voltage_animation.setFillAfter(true); ((View) pointer5).startAnimation(Voltage_animation); prev_voltage = volt_value; } voltage.setText(dataRecieved); } else if ((dataRecieved != null) && (dataRecieved.matches("\\s*[0-9]+(\\.[0-9]?)?V\\s*V\\s*>\\s*\r*\n*"))) { dataRecieved = dataRecieved.trim(); String volt_number = dataRecieved.substring(0, dataRecieved.length() - 1); double needle_value = Double.parseDouble(volt_number); needle_value = (((needle_value - 11) * 21) / 0.5) - 100; int volt_value = (int) (needle_value); if (prev_voltage == 0) { RotateAnimation Voltage_animation = new RotateAnimation(-100, volt_value, 30, 97); Voltage_animation.setInterpolator(new LinearInterpolator()); Voltage_animation.setDuration(500); Voltage_animation.setFillAfter(true); ((View) pointer5).startAnimation(Voltage_animation); prev_voltage = volt_value; } else { RotateAnimation Voltage_animation = new RotateAnimation(prev_voltage, volt_value, 30, 97); Voltage_animation.setInterpolator(new LinearInterpolator()); Voltage_animation.setDuration(500); Voltage_animation.setFillAfter(true); ((View) pointer5).startAnimation(Voltage_animation); prev_voltage = volt_value; } voltage.setText(dataRecieved); } else if ((dataRecieved != null) && (dataRecieved.matches("\\s*[ .A-Za-z0-9\\?*>\r\n]*\\s*>\\s*\r*\n*"))) { if (message_number == 7) message_number = 1; getData(message_number++); } else { ; } // mConversationArrayAdapter.add(mConnectedDeviceName+": " + // readMessage); break; case MESSAGE_DEVICE_NAME: // save the connected device's name mConnectedDeviceName = msg.getData().getString(DEVICE_NAME); Toast.makeText(getApplicationContext(), "Connected to " + mConnectedDeviceName, Toast.LENGTH_SHORT) .show(); break; case MESSAGE_TOAST: Toast.makeText(getApplicationContext(), msg.getData().getString(TOAST), Toast.LENGTH_SHORT).show(); break; } } }; public void onActivityResult(int requestCode, int resultCode, Intent data) { if (D) Log.d(TAG, "onActivityResult " + resultCode); switch (requestCode) { case REQUEST_CONNECT_DEVICE_SECURE: // When DeviceListActivity returns with a device to connect if (resultCode == Activity.RESULT_OK) { connectDevice(data, true); } break; case REQUEST_CONNECT_DEVICE_INSECURE: // When DeviceListActivity returns with a device to connect if (resultCode == Activity.RESULT_OK) { connectDevice(data, false); } break; case REQUEST_ENABLE_BT: // When the request to enable Bluetooth returns if (resultCode == Activity.RESULT_OK) { // Bluetooth is now enabled, so set up a chat session setupChat(); } else { // User did not enable Bluetooth or an error occurred Log.d(TAG, "BT not enabled"); Toast.makeText(this, R.string.bt_not_enabled_leaving, Toast.LENGTH_SHORT).show(); finish(); } } } private void connectDevice(Intent data, boolean secure) { // Get the device MAC address String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS); // Get the BluetoothDevice object BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address); // Attempt to connect to the device mChatService.connect(device, secure); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.car_ruby_menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { Intent serverIntent = null; /** * the following switch statements will execute based on chosen option * and will trigger the appropriate intents * */ switch (item.getItemId()) { case R.id.secure_connect_scan: // Launch the DeviceListActivity to see devices and do scan serverIntent = new Intent(this, DeviceListActivity.class); startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE_SECURE); return true; /* * case R.id.insecure_connect_scan: // Launch the DeviceListActivity * to see devices and do scan serverIntent = new Intent(this, * DeviceListActivity.class); startActivityForResult(serverIntent, * REQUEST_CONNECT_DEVICE_INSECURE); return true; case * R.id.discoverable: // Ensure this device is discoverable by * others ensureDiscoverable(); return true; */ case R.id.action_geolocation: startActivity(new Intent(this, MapRouteActivity.class)); break; // starts the other fragment activity and finishes this one removing the // top stack objects case R.id.action_silver_gauges: Intent rubyIntent = new Intent(RubyBluetoothChatActivity.this, SilverBluetoothChatActivity.class); rubyIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); RubyBluetoothChatActivity.this.finish(); startActivity(rubyIntent); break; case R.id.action_nfc: startActivityForResult(new Intent(android.provider.Settings.ACTION_NFC_SETTINGS), 0); Toast.makeText(this, "Beam NFC Tag", Toast.LENGTH_SHORT).show(); break; case R.id.action_usb: startActivityForResult(new Intent(android.provider.Settings.ACTION_APPLICATION_DEVELOPMENT_SETTINGS), 0); Toast.makeText(this, "Turn On/Off USB debugging", Toast.LENGTH_SHORT).show(); break; case R.id.action_wifi: startActivityForResult(new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS), 0); Toast.makeText(this, "Manage wifi connection", Toast.LENGTH_SHORT).show(); break; case R.id.action_location: startActivityForResult(new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS), 0); Toast.makeText(this, "Manage Location sources", Toast.LENGTH_SHORT).show(); break; case R.id.action_bluetooth: startActivityForResult(new Intent(android.provider.Settings.ACTION_BLUETOOTH_SETTINGS), 0); Toast.makeText(this, "Manage bluetooth connections", Toast.LENGTH_SHORT).show(); break; case R.id.action_cosm_web: Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.xively.com")); startActivity(browserIntent); Toast.makeText(this, "Access your personal Xively account.\n Xively was formerly known as Cosm.", Toast.LENGTH_SHORT).show(); break; case R.id.action_cosm_push: startActivity(new Intent(this, XivelyAndroidResourcesActivity.class)); break; case R.id.action_cosm_pull: Intent mainIntent = new Intent(RubyBluetoothChatActivity.this, Login.class); mainIntent.putExtra("flag", "true"); RubyBluetoothChatActivity.this.startActivity(mainIntent); return true; default: break; } return false; } }