hindimain

package com.example.manopancreas;

import android.Manifest;
import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import java.io.IOException;
import java.io.OutputStream;
import java.util.Set;
import java.util.UUID;

public class MainHindiActivity extends AppCompatActivity {

    private EditText glucoseInput;
    private TextView doseResult;
    private Button sendBtn, connectBtn;

    private BluetoothAdapter bluetoothAdapter;
    private BluetoothSocket bluetoothSocket;
    private OutputStream outputStream;

    private static final int REQUEST_BLUETOOTH_PERMISSION = 1;
    private static final UUID DEVICE_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
    private static final String DEVICE_NAME = "HC-05";

    @SuppressLint("SetTextI18n")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main_hindi);

        glucoseInput = findViewById(R.id.glucoseInput);
        doseResult = findViewById(R.id.doseResult);
        sendBtn = findViewById(R.id.sendBtn);
        connectBtn = findViewById(R.id.connectBtn);

        bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        if (bluetoothAdapter == null) {
            Toast.makeText(this, "इस डिवाइस पर ब्लूटूथ समर्थित नहीं है", Toast.LENGTH_LONG).show();
            finish();
            return;
        }

        // Request Bluetooth permission if not already granted
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.BLUETOOTH_CONNECT, Manifest.permission.BLUETOOTH_SCAN}, REQUEST_BLUETOOTH_PERMISSION);
        }

        connectBtn.setOnClickListener(v -> connectToBluetooth());

        sendBtn.setOnClickListener(v -> {
            String glucoseStr = glucoseInput.getText().toString().trim();
            if (glucoseStr.isEmpty()) {
                Toast.makeText(this, "कृपया ग्लूकोज स्तर दर्ज करें", Toast.LENGTH_SHORT).show();
                return;
            }

            try {
                float glucose = Float.parseFloat(glucoseStr);
                float dose = calculateDose(glucose);
                doseResult.setText("इंसुलिन डोज़: " + dose + " µg");

                // Add newline character for Arduino
                String signal = "DOSE:" + dose + "\n";
                sendBluetoothSignal(signal);

            } catch (NumberFormatException e) {
                Toast.makeText(this, "अमान्य इनपुट", Toast.LENGTH_SHORT).show();
            }
        });
    }

    private float calculateDose(float glucose) {
        if (glucose >= 180) return 8;
        else if (glucose >= 150) return 6;
        else if (glucose >= 120) return 4;
        else if (glucose >= 100) return 2;
        else return 0;
    }

    @SuppressLint("MissingPermission")
    private void connectToBluetooth() {
        if (!bluetoothAdapter.isEnabled()) {
            Toast.makeText(this, "कृपया ब्लूटूथ सक्षम करें", Toast.LENGTH_SHORT).show();
            return;
        }

        AlertDialog dialog = new AlertDialog.Builder(this)
                .setTitle("कनेक्ट हो रहा है")
                .setMessage("कृपया प्रतीक्षा करें जब तक एचसी-05 से कनेक्ट हो रहा है...")
                .setCancelable(false)
                .create();
        dialog.show();

        new Thread(() -> {
            BluetoothDevice device = null;
            Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
            if (pairedDevices.size() > 0) {
                for (BluetoothDevice btDevice : pairedDevices) {
                    if (DEVICE_NAME.equals(btDevice.getName())) {
                        device = btDevice;
                        break;
                    }
                }
            }

            try {
                if (device != null) {
                    bluetoothSocket = device.createRfcommSocketToServiceRecord(DEVICE_UUID);
                    bluetoothSocket.connect();
                    outputStream = bluetoothSocket.getOutputStream();
                    runOnUiThread(() -> {
                        Toast.makeText(MainHindiActivity.this, "HC-05 से कनेक्ट हो गया", Toast.LENGTH_SHORT).show();
                        dialog.dismiss();
                    });
                } else {
                    runOnUiThread(() -> {
                        Toast.makeText(MainHindiActivity.this, "HC-05 नहीं मिला। कृपया सेटिंग्स में जोड़ें।", Toast.LENGTH_LONG).show();
                        dialog.dismiss();
                    });
                }
            } catch (IOException e) {
                runOnUiThread(() -> {
                    Toast.makeText(MainHindiActivity.this, "कनेक्शन विफल: " + e.getMessage(), Toast.LENGTH_SHORT).show();
                    dialog.dismiss();
                });
            }
        }).start();
    }

    private void sendBluetoothSignal(String signal) {
        if (outputStream != null) {
            try {
                outputStream.write(signal.getBytes());
                Toast.makeText(this, "सिग्नल भेजा गया", Toast.LENGTH_SHORT).show();
            } catch (IOException e) {
                Toast.makeText(this, "भेजने में विफल: " + e.getMessage(), Toast.LENGTH_SHORT).show();
            }
        } else {
            Toast.makeText(this, "डिवाइस से कनेक्ट नहीं है", Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == REQUEST_BLUETOOTH_PERMISSION) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                Toast.makeText(this, "ब्लूटूथ की अनुमति दी गई", Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(this, "कनेक्ट करने के लिए ब्लूटूथ की अनुमति आवश्यक है", Toast.LENGTH_LONG).show();
            }
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        try {
            if (outputStream != null) outputStream.close();
            if (bluetoothSocket != null) bluetoothSocket.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}