package id.aashari.code.miband2.Activities;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCallback;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;
import android.bluetooth.BluetoothProfile;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import java.util.Arrays;
import java.util.Set;
import id.aashari.code.miband2.Helpers.CustomBluetoothProfile;
import id.aashari.code.miband2.R;
public class MainActivity extends Activity {
Boolean isListeningHeartRate = false;
public static final String EXTRAS_DEVICE_NAME = "DEVICE_NAME";
public static final String EXTRAS_DEVICE_ADDRESS = "DEVICE_ADDRESS";
BluetoothAdapter bluetoothAdapter;
BluetoothGatt bluetoothGatt;
BluetoothDevice bluetoothDevice;
Button btnStartConnecting, btnGetBatteryInfo, btnGetHeartRate, btnWalkingInfo, btnStartVibrate, btnStopVibrate;
EditText txtPhysicalAddress;
TextView txtState, txtByte;
private String mDeviceName;
private String mDeviceAddress;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initializeObjects();
initilaizeComponents();
initializeEvents();
getBoundedDevice();
}
void getBoundedDevice() {
mDeviceName = getIntent().getStringExtra(EXTRAS_DEVICE_NAME);
mDeviceAddress = getIntent().getStringExtra(EXTRAS_DEVICE_ADDRESS);
txtPhysicalAddress.setText(mDeviceAddress);
Set<BluetoothDevice> boundedDevice = bluetoothAdapter.getBondedDevices();
for (BluetoothDevice bd : boundedDevice) {
if (bd.getName().contains("MI Band 2")) {
txtPhysicalAddress.setText(bd.getAddress());
}
}
}
void initializeObjects() {
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
}
void initilaizeComponents() {
btnStartConnecting = (Button) findViewById(R.id.btnStartConnecting);
btnGetBatteryInfo = (Button) findViewById(R.id.btnGetBatteryInfo);
btnWalkingInfo = (Button) findViewById(R.id.btnWalkingInfo);
btnStartVibrate = (Button) findViewById(R.id.btnStartVibrate);
btnStopVibrate = (Button) findViewById(R.id.btnStopVibrate);
btnGetHeartRate = (Button) findViewById(R.id.btnGetHeartRate);
txtPhysicalAddress = (EditText) findViewById(R.id.txtPhysicalAddress);
txtState = (TextView) findViewById(R.id.txtState);
txtByte = (TextView) findViewById(R.id.txtByte);
}
void initializeEvents() {
btnStartConnecting.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startConnecting();
}
});
btnGetBatteryInfo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
getBatteryStatus();
}
});
btnStartVibrate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startVibrate();
}
});
btnStopVibrate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
stopVibrate();
}
});
btnGetHeartRate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startScanHeartRate();
}
});
}
void startConnecting() {
String address = txtPhysicalAddress.getText().toString();
bluetoothDevice = bluetoothAdapter.getRemoteDevice(address);
Log.v("test", "Connecting to " + address);
Log.v("test", "Device name " + bluetoothDevice.getName());
bluetoothGatt = bluetoothDevice.connectGatt(this, true, bluetoothGattCallback);
}
void stateConnected() {
bluetoothGatt.discoverServices();
txtState.setText("Connected");
}
void stateDisconnected() {
bluetoothGatt.disconnect();
txtState.setText("Disconnected");
}
void startScanHeartRate() {
txtByte.setText("...");
BluetoothGattCharacteristic bchar = bluetoothGatt.getService(CustomBluetoothProfile.HeartRate.service)
.getCharacteristic(CustomBluetoothProfile.HeartRate.controlCharacteristic);
bchar.setValue(new byte[]{21, 2, 1});
bluetoothGatt.writeCharacteristic(bchar);
}
void listenHeartRate() {
BluetoothGattCharacteristic bchar = bluetoothGatt.getService(CustomBluetoothProfile.HeartRate.service)
.getCharacteristic(CustomBluetoothProfile.HeartRate.measurementCharacteristic);
bluetoothGatt.setCharacteristicNotification(bchar, true);
BluetoothGattDescriptor descriptor = bchar.getDescriptor(CustomBluetoothProfile.HeartRate.descriptor);
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
bluetoothGatt.writeDescriptor(descriptor);
isListeningHeartRate = true;
}
void getBatteryStatus() {
txtByte.setText("...");
BluetoothGattCharacteristic bchar = bluetoothGatt.getService(CustomBluetoothProfile.Basic.service)
.getCharacteristic(CustomBluetoothProfile.Basic.batteryCharacteristic);
if (!bluetoothGatt.readCharacteristic(bchar)) {
Toast.makeText(this, "Failed get battery info", Toast.LENGTH_SHORT).show();
}
}
void startVibrate() {
BluetoothGattCharacteristic bchar = bluetoothGatt.getService(CustomBluetoothProfile.AlertNotification.service)
.getCharacteristic(CustomBluetoothProfile.AlertNotification.alertCharacteristic);
bchar.setValue(new byte[]{2});
if (!bluetoothGatt.writeCharacteristic(bchar)) {
Toast.makeText(this, "Failed start vibrate", Toast.LENGTH_SHORT).show();
}
}
void stopVibrate() {
BluetoothGattCharacteristic bchar = bluetoothGatt.getService(CustomBluetoothProfile.AlertNotification.service)
.getCharacteristic(CustomBluetoothProfile.AlertNotification.alertCharacteristic);
bchar.setValue(new byte[]{0});
if (!bluetoothGatt.writeCharacteristic(bchar)) {
Toast.makeText(this, "Failed stop vibrate", Toast.LENGTH_SHORT).show();
}
}
final BluetoothGattCallback bluetoothGattCallback = new BluetoothGattCallback() {
@Override
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
super.onConnectionStateChange(gatt, status, newState);
Log.v("test", "onConnectionStateChange");
if (newState == BluetoothProfile.STATE_CONNECTED) {
stateConnected();
} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
stateDisconnected();
}
}
@Override
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
super.onServicesDiscovered(gatt, status);
Log.v("test", "onServicesDiscovered");
listenHeartRate();
}
@Override
public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
super.onCharacteristicRead(gatt, characteristic, status);
Log.v("test", "onCharacteristicRead");
byte[] data = characteristic.getValue();
txtByte.setText(Arrays.toString(data));
}
@Override
public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
super.onCharacteristicWrite(gatt, characteristic, status);
Log.v("test", "onCharacteristicWrite");
}
@Override
public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
super.onCharacteristicChanged(gatt, characteristic);
Log.v("test", "onCharacteristicChanged");
byte[] data = characteristic.getValue();
txtByte.setText(Arrays.toString(data));
}
@Override
public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
super.onDescriptorRead(gatt, descriptor, status);
Log.v("test", "onDescriptorRead");
}
@Override
public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
super.onDescriptorWrite(gatt, descriptor, status);
Log.v("test", "onDescriptorWrite");
}
@Override
public void onReliableWriteCompleted(BluetoothGatt gatt, int status) {
super.onReliableWriteCompleted(gatt, status);
Log.v("test", "onReliableWriteCompleted");
}
@Override
public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
super.onReadRemoteRssi(gatt, rssi, status);
Log.v("test", "onReadRemoteRssi");
}
@Override
public void onMtuChanged(BluetoothGatt gatt, int mtu, int status) {
super.onMtuChanged(gatt, mtu, status);
Log.v("test", "onMtuChanged");
}
};
}
