package com.eveningoutpost.dexdrip;
import android.annotation.TargetApi;
import android.app.Dialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.bluetooth.le.BluetoothLeScanner;
import android.bluetooth.le.ScanCallback;
import android.bluetooth.le.ScanResult;
import android.bluetooth.le.ScanSettings;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.text.InputFilter;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.activeandroid.query.Select;
import com.eveningoutpost.dexdrip.Models.ActiveBluetoothDevice;
import com.eveningoutpost.dexdrip.Models.UserError.Log;
import com.eveningoutpost.dexdrip.UtilityModels.CollectionServiceStarter;
import com.eveningoutpost.dexdrip.utils.AndroidBarcode;
import com.eveningoutpost.dexdrip.utils.ListActivityWithMenu;
import com.eveningoutpost.dexdrip.utils.LocationHelper;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import java.util.ArrayList;
import java.util.List;
import lecho.lib.hellocharts.util.ChartUtils;
@TargetApi(android.os.Build.VERSION_CODES.JELLY_BEAN_MR2)
public class BluetoothScan extends ListActivityWithMenu {
public static String menu_name = "Scan for BT";
private final static String TAG = BluetoothScan.class.getSimpleName();
private static final long SCAN_PERIOD = 30000;
private boolean is_scanning;
private Handler mHandler;
private LeDeviceListAdapter mLeDeviceListAdapter;
private ArrayList<BluetoothDevice> found_devices;
private BluetoothAdapter bluetooth_adapter;
private BluetoothLeScanner lollipopScanner;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_bluetooth_scan);
final BluetoothManager bluetooth_manager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
bluetooth_adapter = bluetooth_manager.getAdapter();
mHandler = new Handler();
if (bluetooth_adapter == null) {
Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_LONG).show();
finish();
return;
}
if (!bluetooth_manager.getAdapter().isEnabled()) {
Toast.makeText(this, "Bluetooth is turned off on this device currently", Toast.LENGTH_LONG).show();
} else {
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN_MR2) {
Toast.makeText(this, "The android version of this device is not compatible with Bluetooth Low Energy", Toast.LENGTH_LONG).show();
}
}
// Will request that GPS be enabled for devices running Marshmallow or newer.
LocationHelper.requestLocationForBluetooth(this);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
initializeScannerCallback();
mLeDeviceListAdapter = new LeDeviceListAdapter();
setListAdapter(mLeDeviceListAdapter);
}
@Override
protected void onPause() {
super.onPause();
scanLeDevice(false);
mLeDeviceListAdapter.clear();
mLeDeviceListAdapter.notifyDataSetChanged();
}
@Override
public String getMenuName() {
return menu_name;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_bluetooth_scan, menu);
if (!is_scanning) {
menu.findItem(R.id.menu_stop).setVisible(false);
menu.findItem(R.id.menu_scan).setVisible(true);
} else {
menu.findItem(R.id.menu_stop).setVisible(true);
menu.findItem(R.id.menu_scan).setVisible(false);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_scan:
BluetoothManager bluetooth_manager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
Toast.makeText(this, "Scanning", Toast.LENGTH_LONG).show();
if(bluetooth_manager == null) {
Toast.makeText(this, "This device does not seem to support bluetooth", Toast.LENGTH_LONG).show();
return true;
} else {
if(!bluetooth_manager.getAdapter().isEnabled()) {
Toast.makeText(this, "Bluetooth is turned off on this device currently", Toast.LENGTH_LONG).show();
return true;
} else {
if(android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN_MR2){
Toast.makeText(this, "The android version of this device is not compatible with Bluetooth Low Energy", Toast.LENGTH_LONG).show();
return true;
}
}
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
scanLeDeviceLollipop(true);
} else {
scanLeDevice(true);
}
return true;
// case R.id.menu_stop:
// Intent tableIntent = new Intent(this, RawDataTable.class);
// startActivity(tableIntent);
// return true;
default:
return super.onOptionsItemSelected(item);
}
}
@TargetApi(19)
private void scanLeDevice(final boolean enable) {
if (enable) {
// Stops scanning after a pre-defined scan period.
Log.d(TAG,"Start scan 19");
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
is_scanning = false;
bluetooth_adapter.stopLeScan(mLeScanCallback);
invalidateOptionsMenu();
}
}, SCAN_PERIOD);
is_scanning = true;
bluetooth_adapter.startLeScan(mLeScanCallback);
} else {
is_scanning = false;
if(bluetooth_adapter != null && bluetooth_adapter.isEnabled()) {
bluetooth_adapter.stopLeScan(mLeScanCallback);
}
}
invalidateOptionsMenu();
}
@TargetApi(21)
private void initializeScannerCallback() {
Log.d(TAG, "initializeScannerCallback");
mScanCallback = new ScanCallback() {
@Override
public void onBatchScanResults(final List<ScanResult> results) {
runOnUiThread(new Runnable() {
@Override
public void run() {
for (ScanResult result: results) {
BluetoothDevice device = result.getDevice();
if (device.getName() != null && device.getName().length() > 0) {
mLeDeviceListAdapter.addDevice(device);
}
}
mLeDeviceListAdapter.notifyDataSetChanged();
}
});
}
@Override
public void onScanResult(int callbackType, ScanResult result) {
final BluetoothDevice device = result.getDevice();
runOnUiThread(new Runnable() {
@Override
public void run() {
if (device.getName() != null && device.getName().length() > 0) {
mLeDeviceListAdapter.addDevice(device);
mLeDeviceListAdapter.notifyDataSetChanged();
}
}
});
}
};
}
@TargetApi(21)
private void scanLeDeviceLollipop(final boolean enable) {
if (enable) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
lollipopScanner = bluetooth_adapter.getBluetoothLeScanner();
}
if(lollipopScanner != null) {
Log.d(TAG, "Starting scanner 21");
// Stops scanning after a pre-defined scan period.
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
is_scanning = false;
if(bluetooth_adapter != null && bluetooth_adapter.isEnabled()) {
lollipopScanner.stopScan(mScanCallback);
}
invalidateOptionsMenu();
}
}, SCAN_PERIOD);
ScanSettings settings = new ScanSettings.Builder()
.setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY)
.build();
is_scanning = true;
lollipopScanner.startScan(null, settings, mScanCallback);
} else {
try {
scanLeDevice(true);
} catch (Exception e) {
Log.e(TAG, "Failed to scan for ble device", e);
}
}
} else {
is_scanning = false;
if(bluetooth_adapter != null && bluetooth_adapter.isEnabled()) {
lollipopScanner.stopScan(mScanCallback);
}
}
invalidateOptionsMenu();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
if (scanResult == null || scanResult.getContents() == null) {
return;
}
if (scanResult.getFormatName().equals("CODE_128")) {
Log.d(TAG, "Setting serial number to: " + scanResult.getContents());
prefs.edit().putString("share_key", scanResult.getContents()).apply();
returnToHome();
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
Log.d(TAG, "Item Clicked");
final BluetoothDevice device = mLeDeviceListAdapter.getDevice(position);
if (device == null || device.getName() == null) return;
Toast.makeText(this, R.string.connecting_to_device, Toast.LENGTH_LONG).show();
ActiveBluetoothDevice btDevice = new Select().from(ActiveBluetoothDevice.class)
.orderBy("_ID desc")
.executeSingle();
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
prefs.edit().putString("last_connected_device_address", device.getAddress()).apply();
if (btDevice == null) {
ActiveBluetoothDevice newBtDevice = new ActiveBluetoothDevice();
newBtDevice.name = device.getName();
newBtDevice.address = device.getAddress();
newBtDevice.save();
} else {
btDevice.name = device.getName();
btDevice.address = device.getAddress();
btDevice.save();
}
if(device.getName().toLowerCase().contains("dexcom")) {
if(!CollectionServiceStarter.isBTShare(getApplicationContext())) {
prefs.edit().putString("dex_collection_method", "DexcomShare").apply();
prefs.edit().putBoolean("calibration_notifications", false).apply();
}
if(prefs.getString("share_key", "SM00000000").compareTo("SM00000000") == 0 || prefs.getString("share_key", "SM00000000").length() < 10) {
requestSerialNumber(prefs);
} else returnToHome();
} else if(device.getName().toLowerCase().contains("bridge")) {
if(!CollectionServiceStarter.isDexbridgeWixelorWifiandDexbridgeWixel(getApplicationContext()))
prefs.edit().putString("dex_collection_method", "DexbridgeWixel").apply();
if(prefs.getString("dex_txid", "00000").compareTo("00000") == 0 || prefs.getString("dex_txid", "00000").length() < 5) {
requestTransmitterId(prefs);
} else returnToHome();
} else if(device.getName().toLowerCase().contains("drip")) {
if (!
(CollectionServiceStarter.isBteWixelorWifiandBtWixel(getApplicationContext())
) || CollectionServiceStarter.isLimitter(getApplicationContext())) {
prefs.edit().putString("dex_collection_method", "BluetoothWixel").apply();
}
returnToHome();
} else if(device.getName().toLowerCase().contains("limitter")) {
if (!CollectionServiceStarter.isLimitter(getApplicationContext())) {
prefs.edit().putString("dex_collection_method", "LimiTTer").apply();
}
returnToHome();
} else {
returnToHome();
}
}
public void returnToHome() {
if (is_scanning) {
bluetooth_adapter.stopLeScan(mLeScanCallback);
is_scanning = false;
}
Intent intent = new Intent(this, Home.class);
CollectionServiceStarter.restartCollectionService(getApplicationContext());
startActivity(intent);
finish();
}
private class LeDeviceListAdapter extends BaseAdapter {
private ArrayList<BluetoothDevice> mLeDevices;
private LayoutInflater mInflator;
public LeDeviceListAdapter() {
super();
mLeDevices = new ArrayList<>();
mInflator = BluetoothScan.this.getLayoutInflater();
}
public void addDevice(BluetoothDevice device) {
if(!mLeDevices.contains(device)) {
mLeDevices.add(device);
notifyDataSetChanged();
}
}
public BluetoothDevice getDevice(int position) {
return mLeDevices.get(position);
}
public void clear() {
mLeDevices.clear();
notifyDataSetChanged();
}
@Override
public int getCount() {
return mLeDevices.size();
}
@Override
public Object getItem(int i) {
return mLeDevices.get(i);
}
@Override
public long getItemId(int i) {
return i;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
ViewHolder viewHolder;
// General ListView optimization code.
if (view == null) {
view = mInflator.inflate(R.layout.listitem_device, null);
viewHolder = new ViewHolder();
viewHolder.deviceAddress = (TextView) view.findViewById(R.id.device_address);
viewHolder.deviceName = (TextView) view.findViewById(R.id.device_name);
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
}
BluetoothDevice device = mLeDevices.get(i);
final String deviceName = device.getName();
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
if(prefs.getString("last_connected_device_address", "").compareTo(device.getAddress()) == 0) {
viewHolder.deviceName.setTextColor(ChartUtils.COLOR_BLUE);
viewHolder.deviceAddress.setTextColor(ChartUtils.COLOR_BLUE);
}
viewHolder.deviceName.setText(deviceName);
viewHolder.deviceAddress.setText(device.getAddress());
return view;
}
}
private BluetoothAdapter.LeScanCallback mLeScanCallback =
new BluetoothAdapter.LeScanCallback() {
@Override
public void onLeScan(final BluetoothDevice device, int rssi, byte[] scanRecord) {
runOnUiThread(new Runnable() {
@Override
public void run() {
if (device.getName() != null && device.getName().length() > 0) {
mLeDeviceListAdapter.addDevice(device);
mLeDeviceListAdapter.notifyDataSetChanged();
}
}
});
}
};
private ScanCallback mScanCallback;
static class ViewHolder {
TextView deviceName;
TextView deviceAddress;
}
private void requestSerialNumber(final SharedPreferences prefs) {
final Dialog dialog = new Dialog(BluetoothScan.this);
dialog.setContentView(R.layout.dialog_single_text_field);
Button saveButton = (Button) dialog.findViewById(R.id.saveButton);
Button cancelButton = (Button) dialog.findViewById(R.id.cancelButton);
final EditText serialNumberView = (EditText) dialog.findViewById(R.id.editTextField);
serialNumberView.setHint("SM00000000");
((TextView) dialog.findViewById(R.id.instructionsTextField)).setText("Enter Your Dexcom Receiver Serial Number");
dialog.findViewById(R.id.scannerButton).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new AndroidBarcode(BluetoothScan.this).scan();
dialog.dismiss();
}
});
saveButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(!TextUtils.isEmpty(serialNumberView.getText()))
prefs.edit().putString("share_key", serialNumberView.getText().toString()).apply();
dialog.dismiss();
returnToHome();
}
});
cancelButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
private void requestTransmitterId(final SharedPreferences prefs) {
final Dialog dialog = new Dialog(BluetoothScan.this);
dialog.setContentView(R.layout.dialog_single_text_field);
Button saveButton = (Button) dialog.findViewById(R.id.saveButton);
Button cancelButton = (Button) dialog.findViewById(R.id.cancelButton);
dialog.findViewById(R.id.scannerButton).setVisibility(View.GONE);
final EditText serialNumberView = (EditText) dialog.findViewById(R.id.editTextField);
serialNumberView.setHint("00000");
serialNumberView.setFilters(new InputFilter[]{new InputFilter.AllCaps()});
((TextView) dialog.findViewById(R.id.instructionsTextField)).setText("Enter Your Dexcom Transmitter ID");
saveButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(!TextUtils.isEmpty(serialNumberView.getText())) {
prefs.edit().putString("dex_txid", serialNumberView.getText().toString()).apply();
}
dialog.dismiss();
returnToHome();
}
});
cancelButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
}
