/*
* Copyright (c) 2015, Nordic Semiconductor
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.nordicsemi.nrfUARTv2;
import java.io.UnsupportedEncodingException;
import java.text.DateFormat;
import java.util.Date;
import com.nordicsemi.nrfUARTv2.UartService;
import android.app.Activity;
import android.app.AlertDialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.res.Configuration;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity implements RadioGroup.OnCheckedChangeListener {
private static final int REQUEST_SELECT_DEVICE = 1;
private static final int REQUEST_ENABLE_BT = 2;
private static final int UART_PROFILE_READY = 10;
public static final String TAG = "nRFUART";
private static final int UART_PROFILE_CONNECTED = 20;
private static final int UART_PROFILE_DISCONNECTED = 21;
private static final int STATE_OFF = 10;
TextView mRemoteRssiVal;
RadioGroup mRg;
private int mState = UART_PROFILE_DISCONNECTED;
private UartService mService = null;
private BluetoothDevice mDevice = null;
private BluetoothAdapter mBtAdapter = null;
private ListView messageListView;
private ArrayAdapter<String> listAdapter;
private Button btnConnectDisconnect,btnSend;
private EditText edtMessage;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mBtAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBtAdapter == null) {
Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
finish();
return;
}
messageListView = (ListView) findViewById(R.id.listMessage);
listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
messageListView.setAdapter(listAdapter);
messageListView.setDivider(null);
btnConnectDisconnect=(Button) findViewById(R.id.btn_select);
btnSend=(Button) findViewById(R.id.sendButton);
edtMessage = (EditText) findViewById(R.id.sendText);
service_init();
// Handle Disconnect & Connect button
btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (!mBtAdapter.isEnabled()) {
Log.i(TAG, "onClick - BT not enabled yet");
Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
}
else {
if (btnConnectDisconnect.getText().equals("Connect")){
//Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices
Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
} else {
//Disconnect button pressed
if (mDevice!=null)
{
mService.disconnect();
}
}
}
}
});
// Handle Send button
btnSend.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
EditText editText = (EditText) findViewById(R.id.sendText);
String message = editText.getText().toString();
byte[] value;
try {
//send data to service
value = message.getBytes("UTF-8");
mService.writeRXCharacteristic(value);
//Update the log with time stamp
String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
listAdapter.add("["+currentDateTimeString+"] TX: "+ message);
messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
edtMessage.setText("");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
// Set initial UI state
}
//UART service connected/disconnected
private ServiceConnection mServiceConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder rawBinder) {
mService = ((UartService.LocalBinder) rawBinder).getService();
Log.d(TAG, "onServiceConnected mService= " + mService);
if (!mService.initialize()) {
Log.e(TAG, "Unable to initialize Bluetooth");
finish();
}
}
public void onServiceDisconnected(ComponentName classname) {
//// mService.disconnect(mDevice);
mService = null;
}
};
private Handler mHandler = new Handler() {
@Override
//Handler events that received from UART service
public void handleMessage(Message msg) {
}
};
private final BroadcastReceiver UARTStatusChangeReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
final Intent mIntent = intent;
//*********************//
if (action.equals(UartService.ACTION_GATT_CONNECTED)) {
runOnUiThread(new Runnable() {
public void run() {
String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
Log.d(TAG, "UART_CONNECT_MSG");
btnConnectDisconnect.setText("Disconnect");
edtMessage.setEnabled(true);
btnSend.setEnabled(true);
((TextView) findViewById(R.id.deviceName)).setText(mDevice.getName()+ " - ready");
listAdapter.add("["+currentDateTimeString+"] Connected to: "+ mDevice.getName());
messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
mState = UART_PROFILE_CONNECTED;
}
});
}
//*********************//
if (action.equals(UartService.ACTION_GATT_DISCONNECTED)) {
runOnUiThread(new Runnable() {
public void run() {
String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
Log.d(TAG, "UART_DISCONNECT_MSG");
btnConnectDisconnect.setText("Connect");
edtMessage.setEnabled(false);
btnSend.setEnabled(false);
((TextView) findViewById(R.id.deviceName)).setText("Not Connected");
listAdapter.add("["+currentDateTimeString+"] Disconnected to: "+ mDevice.getName());
mState = UART_PROFILE_DISCONNECTED;
mService.close();
//setUiState();
}
});
}
//*********************//
if (action.equals(UartService.ACTION_GATT_SERVICES_DISCOVERED)) {
mService.enableTXNotification();
}
//*********************//
if (action.equals(UartService.ACTION_DATA_AVAILABLE)) {
final byte[] txValue = intent.getByteArrayExtra(UartService.EXTRA_DATA);
runOnUiThread(new Runnable() {
public void run() {
try {
String text = new String(txValue, "UTF-8");
String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
listAdapter.add("["+currentDateTimeString+"] RX: "+text);
messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
} catch (Exception e) {
Log.e(TAG, e.toString());
}
}
});
}
//*********************//
if (action.equals(UartService.DEVICE_DOES_NOT_SUPPORT_UART)){
showMessage("Device doesn't support UART. Disconnecting");
mService.disconnect();
}
}
};
private void service_init() {
Intent bindIntent = new Intent(this, UartService.class);
bindService(bindIntent, mServiceConnection, Context.BIND_AUTO_CREATE);
LocalBroadcastManager.getInstance(this).registerReceiver(UARTStatusChangeReceiver, makeGattUpdateIntentFilter());
}
private static IntentFilter makeGattUpdateIntentFilter() {
final IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(UartService.ACTION_GATT_CONNECTED);
intentFilter.addAction(UartService.ACTION_GATT_DISCONNECTED);
intentFilter.addAction(UartService.ACTION_GATT_SERVICES_DISCOVERED);
intentFilter.addAction(UartService.ACTION_DATA_AVAILABLE);
intentFilter.addAction(UartService.DEVICE_DOES_NOT_SUPPORT_UART);
return intentFilter;
}
@Override
public void onStart() {
super.onStart();
}
@Override
public void onDestroy() {
super.onDestroy();
Log.d(TAG, "onDestroy()");
try {
LocalBroadcastManager.getInstance(this).unregisterReceiver(UARTStatusChangeReceiver);
} catch (Exception ignore) {
Log.e(TAG, ignore.toString());
}
unbindService(mServiceConnection);
mService.stopSelf();
mService= null;
}
@Override
protected void onStop() {
Log.d(TAG, "onStop");
super.onStop();
}
@Override
protected void onPause() {
Log.d(TAG, "onPause");
super.onPause();
}
@Override
protected void onRestart() {
super.onRestart();
Log.d(TAG, "onRestart");
}
@Override
public void onResume() {
super.onResume();
Log.d(TAG, "onResume");
if (!mBtAdapter.isEnabled()) {
Log.i(TAG, "onResume - BT not enabled yet");
Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_SELECT_DEVICE:
//When the DeviceListActivity return, with the selected device address
if (resultCode == Activity.RESULT_OK && data != null) {
String deviceAddress = data.getStringExtra(BluetoothDevice.EXTRA_DEVICE);
mDevice = BluetoothAdapter.getDefaultAdapter().getRemoteDevice(deviceAddress);
Log.d(TAG, "... onActivityResultdevice.address==" + mDevice + "mserviceValue" + mService);
((TextView) findViewById(R.id.deviceName)).setText(mDevice.getName()+ " - connecting");
mService.connect(deviceAddress);
}
break;
case REQUEST_ENABLE_BT:
// When the request to enable Bluetooth returns
if (resultCode == Activity.RESULT_OK) {
Toast.makeText(this, "Bluetooth has turned on ", Toast.LENGTH_SHORT).show();
} else {
// User did not enable Bluetooth or an error occurred
Log.d(TAG, "BT not enabled");
Toast.makeText(this, "Problem in BT Turning ON ", Toast.LENGTH_SHORT).show();
finish();
}
break;
default:
Log.e(TAG, "wrong request code");
break;
}
}
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
}
private void showMessage(String msg) {
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
}
@Override
public void onBackPressed() {
if (mState == UART_PROFILE_CONNECTED) {
Intent startMain = new Intent(Intent.ACTION_MAIN);
startMain.addCategory(Intent.CATEGORY_HOME);
startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(startMain);
showMessage("nRFUART's running in background.\n Disconnect to exit");
}
else {
new AlertDialog.Builder(this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle(R.string.popup_title)
.setMessage(R.string.popup_message)
.setPositiveButton(R.string.popup_yes, new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
})
.setNegativeButton(R.string.popup_no, null)
.show();
}
}
}
