TermApp/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java

package com.xypower.mpapp;

import static java.lang.System.loadLibrary;

import android.app.AlarmManager;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.location.LocationProvider;
import android.net.ConnectivityManager;
import android.net.wifi.WifiManager;
import android.os.BatteryManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.PowerManager;
import android.os.RemoteException;
import android.os.SystemClock;

import androidx.core.app.NotificationCompat;

import android.telephony.CellSignalStrength;
import android.telephony.SignalStrength;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.Log;
import android.widget.RemoteViews;
import android.widget.Toast;

import com.dev.devapi.api.SysApi;

import java.io.File;
import java.lang.reflect.Method;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class MicroPhotoService extends Service {
    public static final String TAG = "MPService";

    // Used to load the 'microphoto' library on application startup.
    static {
        loadLibrary("microphoto");
    }

    public static final int MSG_WHAT_LOG = 10;

    public final static int MSG_WHAT_NETWORK_CHANGE = 20;

    public final static int MSG_WHAT_SERVICE_STATUS_CHANGE = 30;

    public final static int MSG_WHAT_MAX = 1000;

    private static final String ALARM_EVENT = "com.xinyingpower.mp.MicroPhotoService.AlarmReceiver";
    public static final int NOTIFICATION_ID_FOREGROUND_SERVICE = 8466503;
    public static final String ACTION_START = "ACT_START";
    public static final String ACTION_STOP = "ACT_STOP";
    public static final String ACTION_MAIN = "ACT_MAIN";
    private static final String ACTION_HEARTBEAT = "ACT_HB";
    private static final String ACTION_TAKE_PHOTO = "ACT_TP";
    private static final String ACTION_TAKE_PHOTO_MANUALLY = "ACT_TP_M";
    private static final String ACTION_TIMEOUT = "ACT_TIMEOUT";
    private static final String EXTRA_PARAM_CHANNEL = "Channel";
    private static final String EXTRA_PARAM_PRESET = "Preset";
    private static final String EXTRA_PARAM_PHOTO_OR_VIDEO = "PhotoOrVideo";
    private static final String EXTRA_PARAM_SCHEDULES = "Schedules";
    private static final String EXTRA_PARAM_SCHEDULE = "Schedule_";
    private static final String EXTRA_PARAM_TIME = "Time";
    // private static String EXTRA_PARAM_FILENAME = "FileName";
    private static final String EXTRA_PARAM_TIMER_UID = "TimerUid";
    // private static String EXTRA_PARAM_TIMER_TYPE = "TimerType";
    private static final String EXTRA_PARAM_TIMEOUT = "Timeout";
    private static final String EXTRA_PARAM_TIMES = "Times";
    private static final String EXTRA_PARAM_ELASPED_TIMES = "ElapsedTimes";
    private static final String FOREGROUND_CHANNEL_ID = "foreground_channel_id";
    public static class STATE_SERVICE {
        public static final int CONNECTED = 10;
        public static final int NOT_CONNECTED = 0;
    }
    private static int mStateService = STATE_SERVICE.NOT_CONNECTED;


    private String mCmdid = "";
    private NotificationManager mNotificationManager;
    private final Map<String, PowerManager.WakeLock> mWakeLocks = new HashMap<>();
    private int mHeartbeatDuration = 0; // 5m: 5 * 60 * 1000
    private long mNextHeartbeatTime = 0;

    private PositionManager mPositionManager = null;
    private final Map<Long, PendingIntent> mTimers = new HashMap<>();

    protected long mNativeHandle = 0;
    private AlarmReceiver mAlarmReceiver = null;
    private ScreenActionReceiver mScreenaAtionReceiver = null;
    private NetworkChangedReceiver mNetworkChangedReceiver = null;

    private ServiceHandler mHander = null;
    private Messenger mMessenger = null;

    private String mModelName = null;

    public MicroPhotoService() {
    }
    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        throw new UnsupportedOperationException("Not yet implemented");
    }
    @Override
    public void onCreate() {
        super.onCreate();

        mHander = new ServiceHandler();

        mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
        mStateService = STATE_SERVICE.NOT_CONNECTED;

        DeviceUtil.getPhoneState(this.getApplicationContext());

        mScreenaAtionReceiver = new ScreenActionReceiver();

        // 注册广播接受者
        {
            mAlarmReceiver = new AlarmReceiver(this);
            IntentFilter intentFilter = new IntentFilter(ACTION_HEARTBEAT);
            intentFilter.addAction(ACTION_TAKE_PHOTO);
            intentFilter.addAction(ACTION_TIMEOUT);
            intentFilter.addAction(ACTION_TAKE_PHOTO_MANUALLY);
            registerReceiver(mAlarmReceiver, intentFilter);
        }
        {
            mNetworkChangedReceiver = new NetworkChangedReceiver(this);
            IntentFilter filter = new IntentFilter();
            filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
            filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
            filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
            registerReceiver(mNetworkChangedReceiver, filter);
        }

        AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);

        while (true) {
            AlarmManager.AlarmClockInfo aci = alarmManager.getNextAlarmClock();
            if (aci == null) {
                break;
            }

            /*
            if (aci.getShowIntent().isBroadcast()) {
                // alarmManager.cancel(aci.getShowIntent());
            }

             */
        }
        // alarmManager.cancel();

        // boolean res = false;
        // Environment.getExternalStoragePublicDirectory(String)

        // registerHeartbeatTimer(getHeartbeatDuration());
    }
    @Override
    public void onDestroy() {

        mStateService = STATE_SERVICE.NOT_CONNECTED;

        uninit(mNativeHandle);
        mNativeHandle = 0;

        unregisterReceiver(mAlarmReceiver);
        unregisterReceiver(mScreenaAtionReceiver);
        unregisterReceiver(mNetworkChangedReceiver);

        for(Map.Entry<String, PowerManager.WakeLock> entry : mWakeLocks.entrySet()) {
            entry.getValue().release();
        }
        mWakeLocks.clear();

        super.onDestroy();
    }

    public static class ServiceHandler extends Handler {
        @Override
        public void dispatchMessage(Message msg) {
            super.dispatchMessage(msg);
            // Log.i("life", "MyHandler----dispatchMessage");
            // Log.i("life", Thread.currentThread().getName());
        }

        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            // Log.i("life", "MyHandler----handleMessage");
        }
    }

    public String getCmdid() {
        return mCmdid;
    }

    public static class AlarmReceiver extends BroadcastReceiver {
        private MicroPhotoService mService;
        public AlarmReceiver() {
            mService = null;
        }
        public AlarmReceiver(MicroPhotoService service) {
            mService = service;
        }
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (TextUtils.equals(ACTION_HEARTBEAT, action)) {
                Log.i(TAG, "HB Timer Fired ACTION=" + action);
                mService.sendHeartbeat(mService.mNativeHandle);
                mService.registerHeartbeatTimer();

                String cmdid = mService.getCmdid();
                if (!TextUtils.isEmpty(cmdid)) {
                    AppMaster appMaster = new AppMaster(mService, cmdid);
                    appMaster.start();
                }


            } else if (TextUtils.equals(ACTION_TAKE_PHOTO, action)) {
                long ts = intent.getLongExtra(EXTRA_PARAM_TIME, 0);
                int cnt = intent.getIntExtra(EXTRA_PARAM_SCHEDULES, 0);
                if (cnt > 0) {
                    for (int idx = 0; idx < cnt; idx++) {
                        long val = intent.getLongExtra(EXTRA_PARAM_SCHEDULE + idx, 0);

                        int channel = (int) ((val & 0xFF0000L) >> 16);
                        int preset = (int) ((val & 0xFF00L) >> 8);

                        Log.i(TAG, "PhotoTimer Fired: CH=" + channel + " PR=" + preset);
                        mService.notifyToTakePhoto(mService.mNativeHandle, channel, preset, ts, mService.buildPhotoDir(mService.getApplicationContext(), channel), mService.buildPhotoFileName(channel, preset, ts), true);
                    }
                }

                // Register Next Photo Timer
                Date date = new Date();
                long nowTs = date.getTime() / 1000;
                date.setHours(0);
                date.setMinutes(0);
                date.setSeconds(0);
                long startTime = date.getTime() / 1000;
                long baseTime = nowTs - startTime;

                mService.registerCaptureSchedule(startTime, baseTime);
            } else if (TextUtils.equals(ACTION_TAKE_PHOTO_MANUALLY, action)) {
                int channel = intent.getIntExtra(EXTRA_PARAM_CHANNEL, 0);
                int preset = intent.getIntExtra(EXTRA_PARAM_PRESET, 0);
                // long ts = intent.getLongExtra(EXTRA_PARAM_TIME, 0);
                boolean photoOrVideo = intent.getBooleanExtra(EXTRA_PARAM_PHOTO_OR_VIDEO, true);
                long ts = System.currentTimeMillis() / 1000;

                Log.i(TAG, "Take Photo CH=" + channel + " PR=" + preset + " Mannually");
                mService.notifyToTakePhoto(mService.mNativeHandle, channel, preset, ts, mService.buildPhotoDir(mService.getApplicationContext(), channel), mService.buildPhotoFileName(channel, preset, ts), photoOrVideo);
            } else if (TextUtils.equals(ACTION_TIMEOUT, action)) {
                long uid = intent.getLongExtra(EXTRA_PARAM_TIMER_UID, 0);
                long expectedTimes = intent.getLongExtra(EXTRA_PARAM_TIMES, 0);
                long elapsedTimes = intent.getLongExtra(EXTRA_PARAM_ELASPED_TIMES, 0);
                elapsedTimes++;

                Log.i(TAG, "Timeout uid=" + uid + " expectedTimes=" + expectedTimes + " Times=" + elapsedTimes);
                mService.fireTimeout(mService.mNativeHandle, uid, elapsedTimes);

                intent.putExtra(EXTRA_PARAM_ELASPED_TIMES, elapsedTimes);

                Long uidObj = Long.valueOf(uid);
                if ((expectedTimes == 0) || (elapsedTimes < expectedTimes)) {
                    int timeout = intent.getIntExtra(EXTRA_PARAM_TIMEOUT, 0);

                    PendingIntent pendingIntent = mService.mTimers.get(uidObj);

                    if (pendingIntent != null) {
                        mService.registerTimer(pendingIntent, uid, timeout);
                    }
                } else {
                    mService.mTimers.remove(uidObj);
                }
            }
        }
    }
    private void registerHeartbeatTimer(int duration) {
        int orgHeartbeatDuration = mHeartbeatDuration;
        mHeartbeatDuration = duration;
        if (orgHeartbeatDuration == 0) {
            registerHeartbeatTimer();
        }

    }
    private void registerHeartbeatTimer() {

        // 创建延迟意图
        Intent alarmIntent = new Intent();
        alarmIntent.setAction(ACTION_HEARTBEAT);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, alarmIntent, 0);

        AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
        alarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + mHeartbeatDuration, pendingIntent);

        mNextHeartbeatTime = System.currentTimeMillis() + mHeartbeatDuration;
        // alarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + timeout, pendingIntent);
    }

    private static void registerPhotoTimer(Context context, int channel, int preset, long ts, long timeout, List<Long> schedules) {

        // 创建延迟意图
        Intent alarmIntent = new Intent();
        alarmIntent.setAction(ACTION_TAKE_PHOTO);
        int cnt = schedules.size();
        alarmIntent.putExtra(EXTRA_PARAM_SCHEDULES, cnt);
        String channelStr = "";
        for (int idx = 0; idx < cnt; idx++) {
            long val = schedules.get(idx).longValue();
            alarmIntent.putExtra(EXTRA_PARAM_SCHEDULE + idx, schedules.get(idx).longValue());
            channelStr += "CH=" + ((val & 0XFF0000) >> 16) + "-PR=" + ((val & 0XFF00) >> 8) + " ";
        }

        alarmIntent.putExtra(EXTRA_PARAM_TIME, ts);

        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, PendingIntent.FLAG_UPDATE_CURRENT);

        AlarmManager alarmManager = (AlarmManager) context.getSystemService(ALARM_SERVICE);

        long currentTimeMillis = System.currentTimeMillis();
        Date date = new Date(currentTimeMillis + timeout);
        String dateStr = (String) DateFormat.format("MM-dd kk:mm:ss", date);
        Log.d(TAG, "PhotoTimer Reg: " + dateStr + " currentTimeMillis=" + currentTimeMillis + " timeout=" + timeout + " Channels=" + channelStr);

        alarmManager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + timeout, pendingIntent);
    }
    private void registerPhotoTimer(int channel, int preset, long ts, long timeout, List<Long> schedules) {

        registerPhotoTimer(this.getApplicationContext(), channel, preset, ts, timeout, schedules);
    }

    // private HashMap<Long, Integer> mTimers = new HashMap<Long, Integer>();
    public boolean registerTimer(long uid, int timeout, long times) {

        // 创建延迟意图
        Intent alarmIntent = new Intent();
        alarmIntent.setAction(ACTION_TIMEOUT);
        alarmIntent.putExtra(EXTRA_PARAM_TIMER_UID, uid);
        alarmIntent.putExtra(EXTRA_PARAM_TIMEOUT, timeout);
        alarmIntent.putExtra(EXTRA_PARAM_TIMES, times);
        alarmIntent.putExtra(EXTRA_PARAM_ELASPED_TIMES, 0L);

        PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, alarmIntent, PendingIntent.FLAG_UPDATE_CURRENT);

        mTimers.put(Long.valueOf(uid), pendingIntent);
        return registerTimer(pendingIntent, uid, timeout);
    }

    private void setDefaultDataSubId(int subId) {
        SubscriptionManager subscriptionManager = (SubscriptionManager) getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
        try {
            Method method = subscriptionManager.getClass().getDeclaredMethod("setDefaultDataSubId", int.class);
            method.invoke(subscriptionManager, subId);
            TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
            Method method1 = telephonyManager.getClass().getDeclaredMethod("setDataEnabled", boolean.class);
            method1.invoke(telephonyManager, true);
        } catch (Exception e) {
            Log.e(TAG, "wjz debug setDefaultDataSubId: error is " + e.getMessage());
        }
    }
    private int getDefaultDataSubId() {
        SubscriptionManager subscriptionManager = (SubscriptionManager) getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
        try {
            Method method = subscriptionManager.getClass().getDeclaredMethod("getDefaultDataSubscriptionId");
            return (int) method.invoke(subscriptionManager);
        } catch (Exception e) {
            Log.e(TAG, "wjz debug getDefaultDataSubId: error is " + e.getMessage());
        }
        return 0;
    }

    public boolean registerTimer(PendingIntent pendingIntent, long uid, int timeout) {

        AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);

        alarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + timeout, pendingIntent);

        Log.i(TAG, "RegTimer:" + uid + " timeout=" + timeout);
        return true;
    }

    public boolean unregisterTimer(long uid) {

        Long uidObj = Long.valueOf(uid);
        PendingIntent pendingIntent = mTimers.get(uidObj);
        if (pendingIntent != null) {
            AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);

            alarmManager.cancel(pendingIntent);

            mTimers.remove(uidObj);
            Log.i(TAG, "UnregTimer:" + uid);
        }

        return true;
    }
    private boolean registerCaptureSchedule(long startTime, long baseTime) {

        long[] photoTimeData = getPhotoTimeData(mNativeHandle);
        if (photoTimeData == null) {
            return false;
        }

        int cnt = photoTimeData.length;
        short channel = 0;
        short preset = 0;
        int ts = 0;
        long val = 0L;
        // int maxDuration = mHeartbeatDuration * 2 / 1000;
        int maxDuration = 35 * 60 * 1000 + 1000;
        int currentTs = 0;
        List<Long> schedules = new ArrayList<>();
        int offset = 0;
        for (int day = 0; day < 2; day++, offset += 86400) {
            for (int idx = 0; idx < cnt; idx++) {
                val = photoTimeData[idx];
                ts = (int) ((val & 0x00FFFFFF00000000L) >> 32) + offset;

                if (ts < baseTime) {
                    continue;
                }

                if ((ts - baseTime) > maxDuration) {
                    break;
                }

                if (currentTs == 0) {
                    currentTs = ts;
                    channel = (short) ((val & 0xFF0000L) >> 16);
                    preset = (short) ((val & 0xFF00L) >> 8);

                    schedules.add(Long.valueOf(val));

                    Log.i(TAG, "PhotoTimer Reg: CH=" + channel + " PR=" + preset);
                } else if (ts > currentTs) {
                    break;
                } else {

                    channel = (short) ((val & 0xFF0000L) >> 16);
                    preset = (short) ((val & 0xFF00L) >> 8);

                    Log.i(TAG, "PhotoTimer Reg: CH=" + channel + " PR=" + preset);
                    schedules.add(Long.valueOf(val));
                }
            }

            if (!schedules.isEmpty()) {
                break;
            }
        }

        if (!schedules.isEmpty()) {
            long expectedTs = startTime + ts;
            Date date = new Date(expectedTs * 1000);
            // Log.d(TAG, "Register Photo Time: " + date.toString() + " BaseTime=" + baseTime + " ts=" + ts + " startTime=" + startTime + " expectedTs=" + expectedTs);

            registerPhotoTimer(channel, preset, currentTs, (currentTs - baseTime) * 1000, schedules);
        }

        return true;
    }

    public static void takePhoto(Context context, int channel, int preset, boolean photoOrVideo) {

        List<Long> schedules = new ArrayList<>();
        long ts = System.currentTimeMillis() / 1000;
        long val = (ts << 24);
        val |= ((long)channel << 16);
        val |= ((long)preset << 8);
        schedules.add(Long.valueOf(val));

        registerPhotoTimer(context, channel, preset, System.currentTimeMillis() / 1000, 0, schedules);
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

        if (intent == null) {
            stopForeground(true);
            stopSelf();
            return START_NOT_STICKY;
        }

        // if user starts the service
        switch (intent.getAction()) {
            case ACTION_START:
                Log.d(TAG, "Received user starts foreground intent");
                startForeground(NOTIFICATION_ID_FOREGROUND_SERVICE, prepareNotification());

                connect();

                registerReceiver(mScreenaAtionReceiver, mScreenaAtionReceiver.getFilter());
                mMessenger = intent.getParcelableExtra("messenger");

                String appPath = buildAppDir(this.getApplicationContext());

                String ip = intent.getStringExtra("server");
                int port = intent.getIntExtra("port", 0);
                String cmdid = intent.getStringExtra("cmdid");
                int protocol = intent.getIntExtra("protocol", 0);
                int networkProtocol = intent.getIntExtra("networkProtocol", 0);

                Log.i(TAG, "AppPath=" + appPath + " Server=" + ip + ":" + port + " cmdid=" + cmdid + " Protocol=" + protocol + " Network=" + networkProtocol);

                MicroPhotoService service = MicroPhotoService.this;
                service.mNativeHandle = init(appPath, ip, port, cmdid, protocol, networkProtocol);

                if (service.mNativeHandle !=0) {
                    service.mCmdid = cmdid;
                    Date date = new Date();
                    long nowTs = date.getTime() / 1000;
                    date.setHours(0);
                    date.setMinutes(0);
                    date.setSeconds(0);
                    long startTime = date.getTime() / 1000;
                    long baseTime = nowTs - startTime;

                    service.registerCaptureSchedule(startTime, baseTime);

                    // AppMaster appMaster = new AppMaster(this, cmdid);
                    // appMaster.start();

                }

                // registerPhotoTimer();
                break;
            case ACTION_STOP:
                unregisterReceiver(mScreenaAtionReceiver);

                stopForeground(true);
                stopSelf();
                break;
            default:
                stopForeground(true);
                stopSelf();
        }

        return START_NOT_STICKY;
    }

    public void requestWakelock(String name, long timeout) {
        PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
        PowerManager.WakeLock wl = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK/* | PowerManager.ON_AFTER_RELEASE*/, name);
        PowerManager.WakeLock wl2 = null;
        synchronized (mWakeLocks) {
            wl2 = mWakeLocks.get(name);
            mWakeLocks.put(name, wl);
        }
        if (wl2 != null) {
            Log.i(TAG, "Release same name wakelock:" + name);
            wl2.release();
        }
        Log.i(TAG, "Request wakelock:" + name);
        if (timeout == 0) wl.acquire();
        else wl.acquire(timeout);
    }

    public void releaseWakelock(String name) {
        PowerManager.WakeLock wl = null;
        synchronized (mWakeLocks) {
            wl = mWakeLocks.get(name);
            mWakeLocks.remove(name);
        }
        if (wl != null) {
            Log.i(TAG, "Release wakelock:" + name);
            wl.release();
        }
    }

    private void connect() {
        // after 10 seconds its connected
        mHander.postDelayed(
                new Runnable() {
                    public void run() {
                        Log.d(TAG, "Bluetooth Low Energy device is connected!!");
                        Toast.makeText(getApplicationContext(), "Connected!", Toast.LENGTH_SHORT).show();
                        mStateService = STATE_SERVICE.CONNECTED;
                        startForeground(NOTIFICATION_ID_FOREGROUND_SERVICE, prepareNotification());
                    }
                }, 10000);

    }

    private Notification prepareNotification() {
        // handle build version above android oreo
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O &&
                mNotificationManager.getNotificationChannel(FOREGROUND_CHANNEL_ID) == null) {
            CharSequence name = getString(R.string.text_name_notification);
            int importance = NotificationManager.IMPORTANCE_DEFAULT;
            NotificationChannel channel = new NotificationChannel(FOREGROUND_CHANNEL_ID, name, importance);
            channel.enableVibration(false);
            mNotificationManager.createNotificationChannel(channel);
        }

        Intent notificationIntent = new Intent(this, MainActivity.class);
        notificationIntent.setAction(ACTION_MAIN);
        notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);

        // if min sdk goes below honeycomb
        /*if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
            notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
        } else {
            notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        }*/

        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);

        // make a stop intent
        Intent stopIntent = new Intent(this, MicroPhotoService.class);
        stopIntent.setAction(ACTION_STOP);
        PendingIntent pendingStopIntent = PendingIntent.getService(this, 0, stopIntent, PendingIntent.FLAG_UPDATE_CURRENT);
        RemoteViews remoteViews = new RemoteViews(getPackageName(), R.layout.notification);
        remoteViews.setOnClickPendingIntent(R.id.btn_stop, pendingStopIntent);

        // if it is connected
        switch (mStateService) {
            case STATE_SERVICE.NOT_CONNECTED:
                remoteViews.setTextViewText(R.id.tv_state, "DISCONNECTED");
                break;
            case STATE_SERVICE.CONNECTED:
                remoteViews.setTextViewText(R.id.tv_state, "CONNECTED");
                break;
        }

        // notification builder
        NotificationCompat.Builder notificationBuilder;
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            notificationBuilder = new NotificationCompat.Builder(this, FOREGROUND_CHANNEL_ID);
        } else {
            notificationBuilder = new NotificationCompat.Builder(this);
        }
        notificationBuilder
                .setContent(remoteViews)
                .setSmallIcon(R.mipmap.ic_launcher)
                .setCategory(NotificationCompat.CATEGORY_SERVICE)
                .setOnlyAlertOnce(true)
                .setOngoing(true)
                .setAutoCancel(true)
                .setContentIntent(pendingIntent);

        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
            notificationBuilder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
        }

        return notificationBuilder.build();
    }

    public static String buildAppDir(Context contxt) {

        File[] paths = contxt.getExternalFilesDirs(null);

        if (paths == null || paths.length == 0) {
            return null;
        }

        File path = paths[0];

        if (!path.exists() && !path.mkdirs()) {
            return null;
        }
        String p = path.getAbsolutePath();
        if (!p.endsWith(File.separator)) {
            p += File.separator;
        }
        return p;
    }

    public static String buildPhotoDir(Context contxt, int channel) {
        // File path = new File(Environment.getExternalStorageDirectory(), "com.xinyingpower.mp/photos/");

        String appDir = buildAppDir(contxt);
        if (appDir == null) {
            return null;
        }

        File path = new File(appDir, "photos/");

        if (!path.exists() && !path.mkdirs()) {
            return null;
        }
        String p = path.getAbsolutePath();
        if (!p.endsWith(File.separator)) {
            p += File.separator;
        }
        return p;
    }

    private String buildPhotoFileName(int channel, int preset, long ts) {

        LocalDateTime nowDT = LocalDateTime.now();
        String date = nowDT.format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss.S"));
        String photoFile = "img_" + Integer.toString(channel) + "_" + Integer.toHexString(preset).toUpperCase() + "_" + date + ".jpg";
        return photoFile;
    }

    public boolean updateTime(long timeInMillis) {
        try {
            SysApi.setSystemTime(getApplicationContext(), timeInMillis);
        } catch (Exception ex) {
        }
        return true;
    }

    public boolean requestPosition() {

        try {

            if (mLocationManager == null) {
                mLocationManager = (LocationManager) getSystemService (Context.LOCATION_SERVICE);

                if (!mLocationManager.isProviderEnabled(GPS_LOCATION_NAME)) {
                    return false;
                }
                mLocateType = mLocationManager.GPS_PROVIDER;
            }

            Location location = mLocationManager.getLastKnownLocation(mLocateType);
            if (location != null) {
                updatePosition(mNativeHandle, location.getLongitude(), location.getLatitude(), location.getTime());
            }
            // Set Listener
            mLocationManager.requestLocationUpdates(mLocateType, 100,0, locationListener);

            return true;
        } catch (SecurityException ex) {
        }

        return false;
    }

    public void downloadAndInstall(final String url) {

        final Context context = getApplicationContext();
        final String tempPath = buildAppDir(context) + File.separator + "tmp";
        File file = new File(tempPath);
        file.mkdirs();
        final String filePath = tempPath + File.separator + "mp.apk";
        Thread th =new Thread(new Runnable() {
            @Override
            public void run() {

                PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
                PowerManager.WakeLock wl = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK | PowerManager.ON_AFTER_RELEASE, "com.xinyingpower.microphoto:Upgrader");

                FileDownloader fd = new FileDownloader();
                fd.download(url, filePath);

                SysApi.installApk(context, filePath, context.getPackageName(), true);

                wl.release();
            }
        });
        th.start();
    }

    public String getSystemInfo() {

        boolean isXyPlatform = !mModelName.startsWith("ELE-");

        StringBuilder sb = new StringBuilder();

        IntentFilter intentFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent intent = getApplicationContext().registerReceiver(null, intentFilter);

        int batteryStatus = intent.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
        int isCahrging = ((batteryStatus == BatteryManager.BATTERY_STATUS_CHARGING) ||
                (batteryStatus == BatteryManager.BATTERY_STATUS_FULL)) ? 1 : 0;

        int level = intent.getIntExtra("level", 0);    ///电池剩余电量
        int scale = intent.getIntExtra("scale", 0);  ///获取电池满电量数值
        // intent.getStringExtra("technology");  ///获取电池技术支持
        // intent.getIntExtra("status",BatteryManager.BATTERY_STATUS_UNKNOWN); ///获取电池状态
        // intent.getIntExtra("plugged", 0);  ///获取电源信息
        // intent.getIntExtra("health",BatteryManager.BATTERY_HEALTH_UNKNOWN);  ///获取电池健康度
        int bv = intent.getIntExtra("voltage", 0);  /// mv
        int temp = intent.getIntExtra("temperature", 0);  ///获取电池温度

        BatteryManager manager = (BatteryManager) getSystemService(BATTERY_SERVICE);
        // manager.getIntProperty(BatteryManager.BATTERY_PROPERTY_CHARGE_COUNTER);
        int bca = manager.getIntProperty(BatteryManager.BATTERY_PROPERTY_CURRENT_AVERAGE);
        int bc = manager.getIntProperty(BatteryManager.BATTERY_PROPERTY_CURRENT_NOW);
        level = manager.getIntProperty(BatteryManager.BATTERY_PROPERTY_CAPACITY);

        float bcaVal = (bca < 0) ? ((-bca)/1000000000) : (bca / 1000000000);

        sb.append("&J_BC=" + Float.toString(bcaVal));
        sb.append("&J_BV=" + Float.toString(((float)bv) / 1000));
        sb.append("&J_BP=" + level);
        sb.append("&J_BS=" + scale);
        sb.append("&J_BCS=" + isCahrging);

        ConnectivityManager cm = (ConnectivityManager)getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        boolean isMetered = cm.isActiveNetworkMetered();

        sb.append("&J_ConnState=" + (isMetered ? "1" : "0"));

        final TelephonyManager telephonyManager = (TelephonyManager) getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);

        SignalStrength ss = telephonyManager.getSignalStrength();
        List<CellSignalStrength> css = ss.getCellSignalStrengths();

        int signalLevel = ss.getLevel();
        sb.append("&J_Signal4G=" + signalLevel);
        sb.append("&J_Signal2G=" + signalLevel);
        if (css != null && css.size() > 0) {

        }

        if (isXyPlatform) {
            sb.append("&J_CV=" + SysApi.getChargingVoltage());      // ChargeVol
            sb.append("&J_CC=" + SysApi.getChargingCurrent());     // ChargeCurrent
            sb.append("&J_CP=" + SysApi.getChargingPower());        // ChargePower:
            sb.append("&J_CBV=" + SysApi.getChargingBusVoltage());  // ChargeBusVol
            sb.append("&J_BV=" + SysApi.getBatteryVoltage());       // BatVol
            sb.append("&J_BC=" + SysApi.getBatteryCurrent());       // BatCurrent
            sb.append("&J_BP=" + SysApi.getBatteryPower());         // BattaryPower
            sb.append("&J_BBV=" + SysApi.getBatteryBusVoltage());   // BattaryBusVol
        }

        // SysApi.getCpuRate();

        return sb.toString();
    }

    public void reboot(final int rebootType) {

        Runnable runnable = new Runnable() {
            @Override
            public void run() {
                if (rebootType == 0) {
                    /*
                    Context context = MicroPhotoService.this.getApplicationContext();
                    Intent intent = getPackageManager().getLaunchIntentForPackage(context.getPackageName());

                    int noDelay = 1;
                    intent.putExtra("noDelay", noDelay);
                    PendingIntent restartIntent = PendingIntent.getActivity(context, 0, intent, 0);
                    AlarmManager mgr = (AlarmManager)getSystemService(Context.ALARM_SERVICE);
                    mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 1000, restartIntent); // 1秒钟后重启应用
                    System.exit(0);

                     */
                    Intent LaunchIntent = getPackageManager().getLaunchIntentForPackage(getApplication().getPackageName());
                    LaunchIntent.putExtra("noDelay", 1);
                    LaunchIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                    startActivity(LaunchIntent);

                } else {
                    SysApi.reboot(getApplicationContext());
                }
            }
        };
        mHander.postDelayed(runnable, 1000);
    }
    public void enableGps(boolean enabled) {
        SysApi.enableGps(getApplicationContext(), enabled);
    }

    public void selectSimCard(int num) {
        SysApi.selectSimCard4Data(getApplicationContext(), num);
    }

    /*
    TelephonyManager telephonyManager = (TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE);
// for example value of first element
CellInfoGsm cellInfoGsm = (CellInfoGsm)telephonyManager.getAllCellInfo().get(0);
CellSignalStrengthGsm cellSignalStrengthGsm = cellInfoGsm.getCellSignalStrength();
cellSignalStrengthGsm.getDbm();
     */

    protected native long init(String appPath, String ip, int port, String cmdid, int protocol, int networkProtocl);
    protected native long getHeartbeatDuration(long handler);
    protected native long[] getPhotoTimeData(long handler);
    // protected native long[] getNextScheduleItem(long handler);
    protected native boolean notifyToTakePhoto(long handler, int channel, int preset, long scheduleTime, String path, String fileName, boolean sendToCma);
    protected native boolean sendHeartbeat(long handler);
    protected native boolean fireTimeout(long handler, long uid, long times);
    protected native void updatePosition(long handler, double lon, double lat, long ts);
    protected native boolean uninit(long handler);


    ////////////////////////GPS////////////////////
    private static final String GPS_LOCATION_NAME = android.location.LocationManager.GPS_PROVIDER;
    private LocationManager mLocationManager;
    private String mLocateType;

    private LocationListener locationListener = new LocationListener() {

        @Override
        public void onLocationChanged(Location location) {
            updatePosition(mNativeHandle, location.getLongitude(), location.getLatitude(), location.getTime());
            // Log.i(TAG, "Time: " + location.getTime());
            // Log.i(TAG, "经度：" + location.getLongitude());
            // Log.i(TAG, "纬度：" + location.getLatitude());
            // Log.i(TAG, "海拔：" + location.getAltitude());
        }

        @Override
        public void onStatusChanged(String provider, int status, Bundle extras) {
            switch (status) {
                case LocationProvider.AVAILABLE:
                    // Toast.makeText(MainActivity.this, "onStatusChanged：当前GPS状态为可见状态", Toast.LENGTH_SHORT).show();
                    break;
                case LocationProvider.OUT_OF_SERVICE:
                    // Toast.makeText(MainActivity.this, "onStatusChanged:当前GPS状态为服务区外状态", Toast.LENGTH_SHORT).show();
                    break;
                case LocationProvider.TEMPORARILY_UNAVAILABLE:
                    // Toast.makeText(MainActivity.this, "onStatusChanged:当前GPS状态为暂停服务状态", Toast.LENGTH_SHORT).show();
                    break;
            }
        }

        /**
         * @param provider
         */
        @Override
        public void onProviderEnabled(String provider) {
            // Toast.makeText(MainActivity.this, "onProviderEnabled:方法被触发", Toast.LENGTH_SHORT).show();
            requestPosition();
        }

        /**
         * @param provider
         */
        @Override
        public void onProviderDisabled(String provider) {

        }

        protected void writeLog(String log) {
            if (mMessenger != null) {
                Message msg = Message.obtain();
                msg.what = MSG_WHAT_LOG;
                msg.obj = log;
                try {
                    mMessenger.send(msg);
                } catch (RemoteException e) {
                    e.printStackTrace();
                }
            }
        }
    };

    ////////////////////////GPS////////////////////
}