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/*
* Copyright (C) 2010 Herbert von Broeuschmeul
* Copyright (C) 2010 BluetoothGPS4Droid Project
*
* This file is part of BluetoothGPS4Droid.
*
* BluetoothGPS4Droid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* BluetoothGPS4Droid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with BluetoothGPS4Droid. If not, see <http://www.gnu.org/licenses/>.
*/
package org.broeuschmeul.android.gps.bluetooth.provider;
import java.util.Set;
import android.app.AlertDialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.preference.Preference.OnPreferenceChangeListener;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
/**
* A PreferenceActivity Class used to configure, start and stop the NMEA tracker service.
*
* @author Herbert von Broeuschmeul
*
*/
public class BluetoothGpsActivity extends PreferenceActivity implements OnPreferenceChangeListener, OnSharedPreferenceChangeListener {
private static final String LOG_TAG = "BlueGPS";
// private static final String LOG_TAG = BluetoothGpsActivity.class.getSimpleName();
private SharedPreferences sharedPref ;
private BluetoothAdapter bluetoothAdapter = null;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.pref);
sharedPref = PreferenceManager.getDefaultSharedPreferences(this);
sharedPref.registerOnSharedPreferenceChangeListener(this);
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
}
/* (non-Javadoc)
* @see android.app.Activity#onResume()
*/
@Override
protected void onResume() {
this.updateDevicePreferenceList();
super.onResume();
}
private void updateDevicePreferenceSummary(){
// update bluetooth device summary
String deviceName = "";
ListPreference prefDevices = (ListPreference)findPreference(BluetoothGpsProviderService.PREF_BLUETOOTH_DEVICE);
String deviceAddress = sharedPref.getString(BluetoothGpsProviderService.PREF_BLUETOOTH_DEVICE, null);
if (BluetoothAdapter.checkBluetoothAddress(deviceAddress)){
deviceName = bluetoothAdapter.getRemoteDevice(deviceAddress).getName();
}
prefDevices.setSummary(getString(R.string.pref_bluetooth_device_summary, deviceName));
}
private void updateDevicePreferenceList(){
// update bluetooth device summary
updateDevicePreferenceSummary();
// update bluetooth device list
ListPreference prefDevices = (ListPreference)findPreference(BluetoothGpsProviderService.PREF_BLUETOOTH_DEVICE);
Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
String[] entryValues = new String[pairedDevices.size()];
String[] entries = new String[pairedDevices.size()];
int i = 0;
// Loop through paired devices
for (BluetoothDevice device : pairedDevices) {
// Add the name and address to the ListPreference enties and entyValues
Log.d(LOG_TAG, "device: "+device.getName() + " -- " + device.getAddress());
entryValues[i] = device.getAddress();
entries[i] = device.getName();
i++;
}
prefDevices.setEntryValues(entryValues);
prefDevices.setEntries(entries);
}
@Override
protected void onDestroy() {
super.onDestroy();
sharedPref.unregisterOnSharedPreferenceChangeListener(this);
}
private void displayAboutDialog(){
View messageView = getLayoutInflater().inflate(R.layout.about, null, false);
// When linking text, force to always use default color. This works
// around a pressed color state bug.
TextView textView = (TextView) messageView.findViewById(R.id.about_sources);
int defaultColor = textView.getTextColors().getDefaultColor();
textView.setTextColor(defaultColor);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.aboutTitle);
builder.setView(messageView);
// CharSequence styledText = Html.fromHtml(getString(R.string.about));
// builder.setMessage(R.string.about);
// builder.setMessage(styledText);
builder.show();
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
// TODO Auto-generated method stub
return false;
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
displayAboutDialog();
if (BluetoothGpsProviderService.PREF_START_GPS_PROVIDER.equals(key)){
boolean val = false;
if (val = sharedPreferences.getBoolean(key, false)){
startService(new Intent(BluetoothGpsProviderService.ACTION_START_GPS_PROVIDER));
} else {
startService(new Intent(BluetoothGpsProviderService.ACTION_STOP_GPS_PROVIDER));
}
CheckBoxPreference pref = (CheckBoxPreference)findPreference(key);
if (pref.isChecked() != val){
pref.setChecked(val);
}
} else if (BluetoothGpsProviderService.PREF_TRACK_RECORDING.equals(key)){
boolean val = false;
if (val = sharedPreferences.getBoolean(key, false)){
startService(new Intent(BluetoothGpsProviderService.ACTION_START_TRACK_RECORDING));
} else {
startService(new Intent(BluetoothGpsProviderService.ACTION_STOP_TRACK_RECORDING));
}
CheckBoxPreference pref = (CheckBoxPreference)findPreference(key);
if (pref.isChecked() != val){
pref.setChecked(val);
}
} else if (BluetoothGpsProviderService.PREF_BLUETOOTH_DEVICE.equals(key)){
updateDevicePreferenceSummary();
}
}
}
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