/**
* Shows display channels picker dialog or displays an error toast if active channels have not yet
* been introduced
*/
public void onClickedDisplayChannelsButton(View displayChannelsButton) {
// CHECKS IF CHANNELS TO ACTIVATE ARE ALREADY FILLED
if (newConfiguration.getActiveSensors() != null
&& newConfiguration.getActiveChannelsNumber() != 0) {
showDisplayChannels();
} else {
displayErrorToast(getString(R.string.nc_error_button_channels_to_display));
}
}
/**
* Initializes variables and widgets of the activity. The saveInstanceState bundle has always all
* the configurations. And if the activity is created to modify a configuration it also has the
* position of the configuration the user wish to update
*/
@Override
@SuppressWarnings("unchecked")
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
super.onCreate(savedInstanceState);
setContentView(R.layout.ly_new_configuration);
inflater = this.getLayoutInflater();
configurations = new ArrayList<DeviceConfiguration>();
configurations =
(ArrayList<DeviceConfiguration>)
getIntent().getExtras().getSerializable(ConfigurationsActivity.KEY_CONFIGURATIONS);
// CREATES AND SETS DEFAULT VALUES FOR THE NEW CONFIGURATION
newConfiguration = new DeviceConfiguration(this);
newConfiguration.setVisualizationFrequency(DEFAULT_RECEPTION_FREQ);
newConfiguration.setSamplingFrequency(DEFAULT_SAMPLING_FREQ);
newConfiguration.setNumberOfBits(DEFAULT_NUMBER_OF_BITS);
// GETS ALL THE VIEWS
receptionfreqSeekbar = (SeekBar) findViewById(R.id.nc_reception_seekbar);
samplingfreqSeekbar = (SeekBar) findViewById(R.id.nc_sampling_seekbar);
receptionFreqEditor = (EditText) findViewById(R.id.nc_reception_freq_view);
samplingFreqEditor = (EditText) findViewById(R.id.nc_sampling_freq_view);
configurationName = (EditText) findViewById(R.id.dev_name);
macAddress = (EditText) findViewById(R.id.nc_mac_address);
activeChannelsTV = (TextView) findViewById(R.id.nc_txt_active_channels);
displayChannelsTV = (TextView) findViewById(R.id.nc_txt_channels_to_show);
// INIT SEEKBARS AND EDITORS TO DEFAULT STATE
receptionfreqSeekbar.setOnSeekBarChangeListener(
new OnSeekBarChangeListener() {
public void onProgressChanged(SeekBar seekBar, int progress, boolean changedByUser) {
if (changedByUser) {
int valueToChangeRounded =
ALLOW_RECEPTION_FREQ.floor(progress + 1) - RECEPTION_FREQ_MIN;
Log.i(
"TRYANDROID", "samplingprogress " + progress + " floor:" + valueToChangeRounded);
receptionFreqEditor.setText(
String.valueOf(valueToChangeRounded + RECEPTION_FREQ_MIN));
newConfiguration.setVisualizationFrequency(valueToChangeRounded + RECEPTION_FREQ_MIN);
}
}
// needed for the listener
public void onStartTrackingTouch(SeekBar seekBar) {}
public void onStopTrackingTouch(SeekBar seekBar) {}
});
receptionFreqEditor.setOnEditorActionListener(
new OnEditorActionListener() {
@Override
public boolean onEditorAction(
TextView receptionFreqEditorTextView, int actionId, KeyEvent event) {
boolean handled = false;
if (actionId == EditorInfo.IME_ACTION_DONE) {
String frequencyString = receptionFreqEditorTextView.getText().toString();
if (frequencyString.compareTo("") == 0) frequencyString = "0";
int newFrequency = Integer.parseInt(frequencyString);
setReceptionFrequency(newFrequency);
closeKeyboardAndClearFocus();
handled = true;
}
return handled;
}
private void setReceptionFrequency(int newFrequency) {
// accepted frequency
if (newFrequency >= RECEPTION_FREQ_MIN && newFrequency <= RECEPTION_FREQ_MAX) {
receptionfreqSeekbar.setProgress((newFrequency - RECEPTION_FREQ_MIN));
newConfiguration.setVisualizationFrequency(newFrequency);
// frequency introduced is too big
} else if (newFrequency > RECEPTION_FREQ_MAX) {
receptionfreqSeekbar.setProgress(RECEPTION_FREQ_MAX);
receptionFreqEditor.setText(String.valueOf(RECEPTION_FREQ_MAX));
newConfiguration.setVisualizationFrequency(RECEPTION_FREQ_MAX);
displayErrorToast(
getString(R.string.nc_error_max_frequency) + " " + RECEPTION_FREQ_MAX + "Hz");
// frequency introduced is too small
} else {
receptionfreqSeekbar.setProgress(0);
receptionFreqEditor.setText(String.valueOf(RECEPTION_FREQ_MIN));
newConfiguration.setVisualizationFrequency(RECEPTION_FREQ_MIN);
displayErrorToast(
getString(R.string.nc_error_min_frequency) + " " + RECEPTION_FREQ_MIN + " Hz");
}
}
private void closeKeyboardAndClearFocus() {
receptionFreqEditor.clearFocus();
InputMethodManager inputManager =
(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.hideSoftInputFromWindow(
getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
}
});
samplingfreqSeekbar.setOnSeekBarChangeListener(
new OnSeekBarChangeListener() {
public void onProgressChanged(SeekBar seekBar, int progress, boolean changedByUser) {
if (changedByUser) {
samplingFreqEditor.setText(String.valueOf(progress + SAMPLING_FREQ_MIN));
newConfiguration.setSamplingFrequency(progress + SAMPLING_FREQ_MIN);
}
}
// needed for the listener
public void onStartTrackingTouch(SeekBar seekBar) {}
public void onStopTrackingTouch(SeekBar seekBar) {}
});
samplingFreqEditor.setOnEditorActionListener(
new OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView currentView, int actionId, KeyEvent event) {
boolean handled = false;
if (actionId == EditorInfo.IME_ACTION_DONE) {
String frequencyString = currentView.getText().toString();
if (frequencyString.compareTo("") == 0) frequencyString = "0";
int newFrequency = Integer.parseInt(frequencyString);
setFrequency(newFrequency);
closeKeyboardAndClearFocus();
handled = true;
}
return handled;
}
private void setFrequency(int newFrequency) {
// accepted frequency
if (newFrequency >= SAMPLING_FREQ_MIN && newFrequency <= SAMPLING_FREQ_MAX) {
samplingfreqSeekbar.setProgress((newFrequency - SAMPLING_FREQ_MIN));
newConfiguration.setSamplingFrequency(newFrequency);
// frequency introduced is too big
} else if (newFrequency > SAMPLING_FREQ_MAX) {
samplingfreqSeekbar.setProgress(SAMPLING_FREQ_MAX);
samplingFreqEditor.setText(String.valueOf(SAMPLING_FREQ_MAX));
newConfiguration.setSamplingFrequency(SAMPLING_FREQ_MAX);
displayErrorToast(
getString(R.string.nc_error_max_frequency) + " " + SAMPLING_FREQ_MAX + "Hz");
// frequency introduced is too small
} else {
samplingfreqSeekbar.setProgress(0);
samplingFreqEditor.setText(String.valueOf(SAMPLING_FREQ_MIN));
newConfiguration.setSamplingFrequency(SAMPLING_FREQ_MIN);
displayErrorToast(
getString(R.string.nc_error_min_frequency) + " " + SAMPLING_FREQ_MIN + " Hz");
}
}
private void closeKeyboardAndClearFocus() {
samplingFreqEditor.clearFocus();
InputMethodManager inputManager =
(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.hideSoftInputFromWindow(
getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
}
});
/* ********* UPDATE CONFIGURATION CODE ********* */
if (getIntent().getExtras().containsKey(ConfigurationsActivity.KEY_CONFIGURATION_POSITION))
isUpdatingConfiguration = true;
if (isUpdatingConfiguration) {
oldConfiguration =
configurations.get(
getIntent().getExtras().getInt(ConfigurationsActivity.KEY_CONFIGURATION_POSITION));
// FILL WIDGETS FIELDS WITH CONFIGURATION TO EDIT DETAILS
configurationName.setText(oldConfiguration.getName());
macAddress.setText(oldConfiguration.getMacAddress());
receptionfreqSeekbar.setProgress(
oldConfiguration.getVisualizationFrequency() - RECEPTION_FREQ_MIN);
receptionFreqEditor.setText(String.valueOf(oldConfiguration.getVisualizationFrequency()));
samplingfreqSeekbar.setProgress(oldConfiguration.getSamplingFrequency());
samplingFreqEditor.setText(String.valueOf(oldConfiguration.getSamplingFrequency()));
activeChannelsTV.setVisibility(View.VISIBLE);
activeChannelsTV.setText(
getString(R.string.nc_channels_to_activate) + " " + oldConfiguration.getActiveChannels());
displayChannelsTV.setVisibility(View.VISIBLE);
displayChannelsTV.setText(oldConfiguration.getDisplayChannelsWithSensors());
// MODIFY VARIABLES FOR VALIDATION PURPOSES
activeChannels = oldConfiguration.getActiveSensors();
boolean[] boolArray = {true};
channelsSelected = boolArray;
configurations.remove(
configurations.get(
getIntent().getExtras().getInt(ConfigurationsActivity.KEY_CONFIGURATION_POSITION)));
newConfiguration = oldConfiguration;
}
}
/**
* Creates and shows a dialog for picking which of the active channels the user wants to show on
* his android device. At least one is required
*/
private void showDisplayChannels() {
final ArrayList<String> channels = new ArrayList<String>(); // example {channel 1, channel 5}
final ArrayList<String> sensors =
new ArrayList<String>(); // example {blood pressure, temperature}
// FILL THE CHANNELS AND SENSORS ARRAYS FOR THE LIST ADAPTER
String[] activeSensors = newConfiguration.getActiveSensors();
for (int i = 0; i < activeSensors.length; i++) {
if (activeSensors[i].compareTo("null") != 0) {
channels.add(getString(R.string.nc_dialog_channel) + " " + (i + 1));
sensors.add(activeSensors[i]);
}
}
final DisplayChannelsListAdapter displayChannelsListAdapter =
new DisplayChannelsListAdapter(
this, channels, sensors, newConfiguration.getDisplayChannels());
AlertDialog displayChannelsDialog;
TextView customTitleView = (TextView) inflater.inflate(R.layout.dialog_custom_title, null);
customTitleView.setText(R.string.nc_dialog_title_channels_to_display);
// BUILDER
AlertDialog.Builder displayChannelsBuilder = new AlertDialog.Builder(this);
displayChannelsBuilder
.setCustomTitle(customTitleView)
.setView(getLayoutInflater().inflate(R.layout.dialog_channels_listview, null))
.setPositiveButton(
getString(R.string.nc_dialog_positive_button),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
channelsSelected = displayChannelsListAdapter.getChecked();
String[] displayChannels = new String[8];
if (numberOfChannelsSelected(channelsSelected) == 0) {
displayChannelsTV.setText("");
displayChannelsTV.setVisibility(View.GONE);
} else {
displayChannelsTV.setVisibility(View.VISIBLE);
displayChannelsTV.setError(null);
displayChannelsTV.setTextColor(getResources().getColor(R.color.blue));
convertBooleanToString(displayChannels, channelsSelected);
newConfiguration.setDisplayChannels(displayChannels);
displayChannelsTV.setText(newConfiguration.getDisplayChannelsWithSensors());
}
}
private void convertBooleanToString(
String[] channelsToDisplayArray, boolean[] channelsSelected) {
for (int i = 0; i < channelsSelected.length; i++) {
if (channelsSelected[i]) {
int in =
Character.getNumericValue(
(channels
.get(i)
.toString()
.charAt(channels.get(i).toString().length() - 1))
- 1);
channelsToDisplayArray[in] = sensors.get(i);
}
}
}
});
displayChannelsBuilder.setNegativeButton(
getString(R.string.nc_dialog_negative_button),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// dismisses the dialog
}
});
// CREATE DIALOG
displayChannelsDialog = displayChannelsBuilder.create();
displayChannelsDialog.show();
// LIST VIEW CONFIGURATION
ListView channelsToDisplayListView;
channelsToDisplayListView =
(ListView) displayChannelsDialog.findViewById(R.id.lv_channelsSelection);
channelsToDisplayListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
channelsToDisplayListView.setItemsCanFocus(false);
channelsToDisplayListView.setAdapter(displayChannelsListAdapter);
}
/** Sets up and shows the active channels picker dialog */
private void showActiveChannelsDialog() {
// get channel numbers from values, converts them to list and pass as an attribute to the
// adapter
String[] rawChannelNumbers = getResources().getStringArray(R.array.channels);
List<String> channelNumbersAL = Arrays.asList(rawChannelNumbers);
final ActiveChannelsListAdapter activeChannelsListAdapter =
new ActiveChannelsListAdapter(this, channelNumbersAL, newConfiguration.getActiveSensors());
// custom title for dialog
TextView customTitleView = (TextView) inflater.inflate(R.layout.dialog_custom_title, null);
customTitleView.setText(R.string.nc_dialog_title_channels_to_activate);
// ACTIVE CHANNELS BUILDER
AlertDialog.Builder activeChannelsBuilder;
activeChannelsBuilder =
new AlertDialog.Builder(this)
.setCustomTitle(customTitleView)
.setView(getLayoutInflater().inflate(R.layout.dialog_channels_listview, null))
.setPositiveButton(
getString(R.string.nc_dialog_positive_button),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// reset display channels because active channels have changed. Leaves error
// message if there was one
if (displayChannelsTV.getError() == null) {
displayChannelsTV.setText("");
displayChannelsTV.setVisibility(View.GONE);
channelsSelected = null;
}
// get active channels from adapter and sets it to the new configuration
activeChannels = activeChannelsListAdapter.getChecked();
newConfiguration.setActiveChannels(activeChannels);
newConfiguration.setDisplayChannels(activeChannels);
if (noChannelsActivated(activeChannels)) {
if (activeChannelsTV.getError() == null) {
activeChannelsTV.setText("");
activeChannelsTV.setVisibility(View.GONE);
}
} else {
activeChannelsTV.setVisibility(View.VISIBLE);
activeChannelsTV.setError(null);
activeChannelsTV.setTextColor(getResources().getColor(R.color.blue));
activeChannelsTV.setText(getString(R.string.nc_channels_to_activate));
activeChannelsTV.append(
" " + newConfiguration.getActiveChannels().toString());
}
}
})
.setNegativeButton(
getString(R.string.nc_dialog_negative_button),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// dismisses the dialog
}
});
// creates and shows dialog before setting the list view so that the views are inflated
AlertDialog activeChannelsDialog = activeChannelsBuilder.create();
activeChannelsDialog.show();
ListView activeChannelsListView =
(ListView) activeChannelsDialog.findViewById(R.id.lv_channelsSelection);
activeChannelsListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
activeChannelsListView.setItemsCanFocus(false);
activeChannelsListView.setAdapter(activeChannelsListAdapter);
}