customer / shanghai-railway-rnapp

package com.metroapp;

import android.annotation.TargetApi;
import android.app.AlertDialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.provider.Settings;
import android.widget.Toast;

import com.facebook.react.ReactActivity;
import com.facebook.react.bridge.Arguments;
import com.facebook.react.bridge.WritableMap;
import com.mehcode.reactnative.splashscreen.SplashScreen;
import com.metroapp.bean.ScanResultBean;
import com.metroapp.nativemodules.BluetoothModule;
import com.pgyersdk.update.PgyUpdateManager;

import java.util.Timer;
import java.util.TimerTask;

@TargetApi(22)
public class MainActivity extends ReactActivity {

    /**
     * Returns the name of the main component registered from JavaScript.
     * This is used to schedule rendering of the component.
     */
    @Override
    protected String getMainComponentName() {
        return "metroApp";
    }


    // 本地蓝牙适配器
    private BluetoothAdapter mBluetoothAdapter;
    private static ScanResultBean scanResultBean = null;
    public static  String mobilePhone =null;
    public static String isFromOtherApp = "0";


    private static  MainActivity _this;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

//        SplashScreen.show(this, getReactInstanceManager());

        SplashScreen.show(this, true);
        super.onCreate(savedInstanceState);
        _this = this;

        //获取从别的应用跳转过来时传的手机号码
        {
            Intent intent = getIntent();
            String scheme = intent.getScheme();
            Uri uri = intent.getData();
            System.out.println("scheme:"+scheme);
            if (uri != null && scheme.equals("subwayEscort")) {
                //获得参数值
                isFromOtherApp = "1";
                mobilePhone = uri.getQueryParameter("mobilePhone");
            }else {
                isFromOtherApp = "0";
            }

        }

        //忽略电池优化
        try {
            Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
            intent.setData(Uri.parse("package:com.metroapp"));
            startActivity(intent);
        }catch (Exception e){

        }

        acquireWakeLock(this);

        //蒲公英版本更新
        PgyUpdateManager.setIsForced(false); //设置是否强制更新。true为强制更新；false为不强制更新（默认值）。
        PgyUpdateManager.register(this);

        initBluetooth();//初始化蓝牙

        registerReceiver(mReceiver, makeFilter());   //注册蓝牙开关咋状态变化的广播
    }

    @TargetApi(22)
    public void initBluetooth(){

        BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(BLUETOOTH_SERVICE);//这里与标准蓝牙略有不同
        mBluetoothAdapter = bluetoothManager.getAdapter();

        if (mBluetoothAdapter == null){
            Toast.makeText(MainActivity.this,"该手机暂无蓝牙设备",Toast.LENGTH_SHORT).show();
            return;
        }
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {//小于18
            Toast.makeText(MainActivity.this,"该手机暂不支持蓝牙4.0",Toast.LENGTH_SHORT).show();
            return;
        }

        if (!mBluetoothAdapter.isEnabled()) {
            mBluetoothAdapter.enable();
        }
//
//        //再次弹出蓝牙确认框
//        if (!mBluetoothAdapter.isEnabled()){
//            alertSetBluetooth();
//        }

        mBluetoothAdapter.startLeScan(mLeScanCallback);
    }


    public void alertSetBluetooth(){

        new AlertDialog.Builder(MainActivity.this)
                .setTitle("提示")
                .setMessage("平安地铁需要打开蓝牙功能才能正常使用，是否打开？")
                .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        mBluetoothAdapter.enable();
                    }
                })
                .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        finish();
                    }
                }).show();

    }


    private static  int lastRSS =-9999;//上一个rss值
    private static String UUID ="E2C56DB5-DFFB-48D2-B060-D0F5A71096E0";
    private static String UUID1="FDA50693-A4E2-4FB1-AFCF-C6EB07647825";

    private BluetoothAdapter.LeScanCallback mLeScanCallback = new BluetoothAdapter.LeScanCallback() {

        @Override
        public void onLeScan(final BluetoothDevice device, final int rssi,
                             final byte[] scanRecord) {
            onLeScanParse(device,rssi,scanRecord);
        }
    };

    /**
     * 扫描结果处理
     */
    public void onLeScanParse(final BluetoothDevice device, final int rssi,
                              final byte[] scanRecord){

        String  scanRecordhex=bytesToHex(scanRecord);
        String hexString = scanRecordhex.substring(18,50);
        // ibeacon的UUID值
        String uuid = hexString.substring(0, 8) + "-"
                + hexString.substring(8, 12) + "-"
                + hexString.substring(12, 16) + "-"
                + hexString.substring(16, 20) + "-"
                + hexString.substring(20, 32);
        int major = Integer.valueOf(scanRecordhex.substring(50,54),16);
        int minor = Integer.valueOf(scanRecordhex.substring(54,58),16);
        if ((uuid.equalsIgnoreCase(UUID) || uuid.equalsIgnoreCase(UUID1)) && rssi!=0 ){//扫描到了
            if (rssi >=lastRSS){
                if (scanResultBean == null){
                    scanResultBean = new ScanResultBean();
                }
                scanResultBean.setDeviceCode(uuid+"|"+major+"|"+minor);
                scanResultBean.setRss(rssi+"");

                lastRSS = rssi;
            }
            System.out.println("rssi"+rssi+"===>uuid"+uuid+"major"+major+"minor"+minor);
        }
    }

    static final char[] hexArray = "0123456789ABCDEF".toCharArray();

    private static String bytesToHex(byte[] bytes) {
        char[] hexChars = new char[bytes.length * 2];
        for (int j = 0; j < bytes.length; j++) {
            int v = bytes[j] & 0xFF;
            hexChars[j * 2] = hexArray[v >>> 4];
            hexChars[j * 2 + 1] = hexArray[v & 0x0F];
        }
        return new String(hexChars);
    }





    private static Timer timer = new Timer();
    private static Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            // 要做的事情
            super.handleMessage(msg);
            if (msg.what == 1){

                if (scanResultBean ==null){
                    scanResultBean = new ScanResultBean();
                    scanResultBean.setRss("");
                    scanResultBean.setDeviceCode("");
                }
                WritableMap et= Arguments.createMap();
                String devicecode =  scanResultBean.getDeviceCode();
                String rss = scanResultBean.getRss();
                System.out.println("===>deviceCode"+devicecode);
                et.putString("deviceCode",devicecode);
                et.putString("rss",rss);
                BluetoothModule.sendEvent("BlueToolData",et);
                resetData();

            }

        }
    };

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (timer !=null){
            timer.cancel();
            timer = null;
            lastRSS =-9999;
            scanResultBean =null;
        }

        isFromOtherApp = "0";
        releaseWakeLock();
        if (mReceiver !=null){
            unregisterReceiver(mReceiver);
            mReceiver =null;
        }
    }

    public static void resetData(){
        lastRSS =-9999;
        scanResultBean = null;
    }

    /**
     * 开启定时器
     * @param s 秒
     */
    public static void startTimer(String s){
        if (s == null || s.equals("")){
            return;
        }
        if (timer ==null){
            timer = new Timer();
        }
        System.out.println("===s"+s);
        try {//防止重复开定时器时报错
            timer.schedule(new task(), 0, Integer.parseInt(s)*1000);
        }catch (Exception e){
            e.printStackTrace();
        }

    }

    /**
     * 关闭定时器
     */
    public static void stopTimer(){
        if (timer !=null){
            timer.cancel();
            timer.purge();
            timer = null;
        }

    }

//    private static TimerTask task = new TimerTask() {
//        @Override
//        public void run() {
//            Message message = new Message();
//            message.what = 1;
//            handler.sendMessage(message);
//        }
//    };

    static  class task extends TimerTask {
        public void run() {
            Message message = new Message();
            message.what = 1;
            handler.sendMessage(message);

        }
    }

    /**
     * 监听蓝牙开关状态
     * @return
     */
    private IntentFilter makeFilter() {
        IntentFilter filter = new IntentFilter();
        filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
        return filter;
    }


    private BroadcastReceiver mReceiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            switch (intent.getAction()) {
                case BluetoothAdapter.ACTION_STATE_CHANGED:
                    int blueState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, 0);
                    switch (blueState) {
                        case BluetoothAdapter.STATE_ON:
                            //当蓝牙重新开启式必须重新设置mLeScanCallback，要不然不会重新扫描
                            if (mBluetoothAdapter.isEnabled()){
                                mLeScanCallback = new BluetoothAdapter.LeScanCallback() {
                                    @Override
                                    public void onLeScan(BluetoothDevice bluetoothDevice, int i, byte[] bytes) {
                                        onLeScanParse(bluetoothDevice,i,bytes);
                                    }
                                };
                                mBluetoothAdapter.startLeScan(mLeScanCallback);
                            }

                            break;

                        case BluetoothAdapter.STATE_OFF:
                            mBluetoothAdapter.stopLeScan(mLeScanCallback);
                            mLeScanCallback =null;

                            break;
                    }
                    break;
            }
        }
    };

    //android 电源管理
    private PowerManager.WakeLock wakeLock;
    private void acquireWakeLock(Context context) {
        if (wakeLock == null) {
            PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
            wakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, context.getClass().getCanonicalName());
            wakeLock.acquire();

        }

    }


    private void releaseWakeLock() {
        if (wakeLock != null && wakeLock.isHeld()) {
            wakeLock.release();
            wakeLock = null;
        }

    }


}