private void updateView() {
if (hrProvider == null) {
scanButton.setEnabled(true);
connectButton.setEnabled(false);
connectButton.setText("Connect");
tvBTName.setText("");
tvHR.setText("");
return;
}
if (btName != null) {
tvBTName.setText(btName);
} else {
tvBTName.setText("");
tvHR.setText("");
}
if (hrProvider.isConnected()) {
connectButton.setText("Disconnect");
connectButton.setEnabled(true);
} else if (hrProvider.isConnecting()) {
connectButton.setEnabled(false);
connectButton.setText("Connecting");
} else {
connectButton.setEnabled(btName == null ? false : true);
connectButton.setText("Connect");
}
}
private void close() {
if (hrProvider != null) {
log(hrProvider.getProviderName() + ".close()");
hrProvider.close();
hrProvider = null;
}
}
private void startScan() {
log(hrProvider.getProviderName() + ".startScan()");
updateView();
deviceAdapter.deviceList.clear();
hrProvider.startScan();
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Scanning");
builder.setPositiveButton(
"Connect",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
log(hrProvider.getProviderName() + ".stopScan()");
hrProvider.stopScan();
connect();
updateView();
dialog.dismiss();
}
});
if (hrProvider.isBondingDevice()) {
builder.setNeutralButton(
"Pairing",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
Intent i = new Intent(Settings.ACTION_BLUETOOTH_SETTINGS);
startActivityForResult(i, 123);
}
});
}
builder.setNegativeButton(
"Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
log(hrProvider.getProviderName() + ".stopScan()");
hrProvider.stopScan();
load();
open();
dialog.dismiss();
updateView();
}
});
builder.setSingleChoiceItems(
deviceAdapter,
-1,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
HRDeviceRef hrDevice = deviceAdapter.deviceList.get(arg1);
btAddress = hrDevice.getAddress();
btName = hrDevice.getName();
}
});
builder.show();
}
private void open() {
if (hrProvider != null && !hrProvider.isEnabled()) {
if (hrProvider.startEnableIntent(this, 0) == true) {
return;
}
hrProvider = null;
}
if (hrProvider != null) {
log(hrProvider.getProviderName() + ".open(this)");
hrProvider.open(handler, this);
} else {
updateView();
}
}
private void save() {
Resources res = getResources();
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
Editor ed = prefs.edit();
ed.putString(res.getString(R.string.pref_bt_name), btName);
ed.putString(res.getString(R.string.pref_bt_address), btAddress);
ed.putString(res.getString(R.string.pref_bt_provider), hrProvider.getProviderName());
ed.commit();
}
@Override
public void onConnectResult(boolean connectOK) {
log(hrProvider.getProviderName() + "::onConnectResult(" + connectOK + ")");
if (connectOK) {
save();
startTimer();
} else {
}
updateView();
}
@Override
public void onOpenResult(boolean ok) {
log(hrProvider.getProviderName() + "::onOpenResult(" + ok + ")");
if (mIsScanning) {
mIsScanning = false;
startScan();
return;
}
updateView();
}
@Override
public void onScanResult(HRDeviceRef device) {
log(
hrProvider.getProviderName()
+ "::onScanResult("
+ device.getAddress()
+ ", "
+ device.getName()
+ ")");
deviceAdapter.deviceList.add(device);
deviceAdapter.notifyDataSetChanged();
}
protected void readHR() {
if (hrProvider != null) {
long age = hrProvider.getHRValueTimestamp();
int hrValue = hrProvider.getHRValue();
tvHR.setText(Integer.toString(hrValue));
if (age != lastTimestamp) {
if (graphViewSeries == null) {
timerStartTime = System.currentTimeMillis();
GraphViewData empty[] = {};
graphViewSeries = new GraphViewSeries(empty);
graphView.addSeries(graphViewSeries);
}
graphViewListData.add(new GraphViewData((age - timerStartTime) / 1000, hrValue));
while (graphViewListData.size() > GRAPH_HISTORY_SECONDS) {
graphViewListData.remove(0);
}
graphViewArrayData = graphViewListData.toArray(graphViewArrayData);
graphViewSeries.resetData(graphViewArrayData);
lastTimestamp = age;
}
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 0) {
if (!hrProvider.isEnabled()) {
log("Bluetooth not enabled!");
scanButton.setEnabled(false);
connectButton.setEnabled(false);
return;
}
load();
open();
return;
}
if (requestCode == 123) {
startScan();
return;
}
}
void connect() {
stopTimer();
if (hrProvider == null || btName == null || btAddress == null) {
updateView();
return;
}
if (hrProvider.isConnecting() || hrProvider.isConnected()) {
log(hrProvider.getProviderName() + ".disconnect()");
hrProvider.disconnect();
updateView();
return;
}
tvBTName.setText(getName());
tvHR.setText("?");
String name = btName;
if (name == null || name.length() == 0) {
name = btAddress;
}
log(hrProvider.getProviderName() + ".connect(" + name + ")");
hrProvider.connect(HRDeviceRef.create(btProviderName, btName, btAddress));
updateView();
}
@Override
public void onCloseResult(boolean closeOK) {
log(hrProvider.getProviderName() + "::onCloseResult(" + closeOK + ")");
}
@Override
public void onDisconnectResult(boolean disconnectOK) {
log(hrProvider.getProviderName() + "::onDisconnectResult(" + disconnectOK + ")");
}