MpRemote/app/src/main/java/com/xypower/mpremote/DeviceActivity.java

package com.xypower.mpremote;

import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.net.ConnectivityManager;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.Handler;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.telephony.ims.ImsMmTelManager;
import android.text.Html;
import android.text.TextUtils;
import android.text.format.Formatter;
import android.util.Base64;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

import com.xypower.common.FilesUtils;
import com.xypower.common.JSONUtils;
import com.xypower.common.MicroPhotoContext;
import com.xypower.mpremote.databinding.ActivityDeviceBinding;
import com.xypower.mpremote.databinding.ActivityMainBinding;

import org.json.JSONObject;

import java.io.File;
import java.net.Socket;
import java.nio.charset.Charset;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import dadb.AdbKeyPair;
import dadb.AdbShellResponse;
import dadb.Dadb;

public class DeviceActivity extends AppCompatActivity {

    private static final String TAG = "ADB";

    private static final boolean DEBUG = false;

    public static final int RSSI_LEVELS = 5;

    private static final String PACKAGE_NAME_MP = "com.xypower.mpapp";
    private static final String REMOTE_PATH_ROOT = "/sdcard/" + PACKAGE_NAME_MP + "/";
    private static final String REMOTE_PATH_DATA = REMOTE_PATH_ROOT + "data/";
    private static final String REMOTE_PATH_DATA_CHANNELS = REMOTE_PATH_ROOT + "data/channels/";
    private static final String REMOTE_PATH_PHOTOS = REMOTE_PATH_ROOT + "photos/";
    private static final String REMOTE_PATH_TMP = REMOTE_PATH_ROOT + "tmp/";

    private static final String KEY_APP_BV = "app.bv";
    private static final String KEY_APP_BCV = "app.bcv";
    private static final String KEY_RO_SERIALNO = "ro.serialno";
    private static final String KEY_RO_CUSTOM_OTA_VERSION = "ro.custom.ota.version";
    private static final String KEY_RO_MODEMS_MAX_COUNT = "telephony.active_modems.max_count";
    // ro.telephony.sim.count
    private static final String KEY_RO_SIGNAL_STRNGTH_PREFIX = "vendor.ril.nw.signalstrength.lte.";

    private static final String KEY_RO_ICCID_PREFIX = "persist.vendor.radio.cfu.iccid.";

    private static final String KEY_GSM_VENDOR_NAME = "gsm.operator.alpha";

    // private static final String KEY_RO_MODEMS_MAX_COUNT = "telephony.active_modems.max_count";

    // // [ro.bootimage.build.date.utc]: [1716880263]
    //        // [ro.build.date.utc]: [1716880263]
    //        // [ro.product.model]: [MSRDT-1-WP]
    //        // [ro.serialno]: [XYV12WPC202406215]
    //        // [telephony.active_modems.max_count]: [2]
    //        // [vendor.ril.nw.signalstrength.lte.1]: [-93,-2]
    //        //[vendor.ril.nw.signalstrength.lte.2]: [-103,21]


    private static final String KEY_APP_MP_VERSION = "mpapp.version";

    private static final int ADB_SERVER_PORT = 5555;

    // [vendor.ril.nw.signalstrength.lte.1]: [-85,27]
    //[vendor.ril.nw.signalstrength.lte.2]: [-86,27]

    private ActivityDeviceBinding binding;
    private ProgressDialog mProgressDialog;
    private Handler mHandler;
    private String mDeviceIp;
    private AdbKeyPair mAdbKeyPair;

    private Map<String, String> mProps = new HashMap<>();
    private Map<Integer, JSONObject> mChannelCfgs = new HashMap();
    private String mSerialNo = "";

    private MicroPhotoContext.AppConfig mAppConfig;
    private int mBatteryVoltage = -1;
    private int mBatteryChargingVoltage = -1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        binding = ActivityDeviceBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        ActionBar actionBar = getSupportActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
        // actionBar.setTitle(R.string.title_activity_device);

        Intent intent = getIntent();
        mDeviceIp = intent.getStringExtra("deviceIp");

        mHandler = new Handler();

        File file = new File(getFilesDir(), ".keypair");
        if (!file.exists()) {
            file.mkdirs();
        }

        final File pubKeyFile = new File(file, "pub.key");
        final File priKeyFile = new File(file, "pri.key");
        if (!priKeyFile.exists() || !pubKeyFile.exists()) {
            AdbKeyPair.generate(priKeyFile, pubKeyFile);
        }


        mAdbKeyPair = AdbKeyPair.read(priKeyFile, pubKeyFile);
        final Context context = getApplicationContext();

        binding.takePhoto1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                takePhoto(1, 255, true);
            }
        });

        binding.takeVideo1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                takeVideo(1, 255, false);
            }
        });

        mProgressDialog = ProgressDialog.show(this, "", "连接" + mDeviceIp + "中", true, true);
        mProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
            @Override
            public void onCancel(DialogInterface dialogInterface) {
                DeviceActivity.this.finish();
            }
        });

        loadDeviceInfo(context);
    }

    protected void loadDeviceInfo(final Context context) {
        final File fileTmp = new File(getFilesDir(), "tmp");
        if (!fileTmp.exists()) {
            fileTmp.mkdirs();
        }


        (new Thread(new Runnable() {
            @Override
            public void run() {

                try {
                    runImpl();
                } catch (Exception ex) {
                    ex.printStackTrace();
                }

                mHandler.post(new Runnable() {
                    @Override
                    public void run() {
                        mProgressDialog.dismiss();
                        showAppInfo();
                    }
                });
            }

            private void runImpl() {
                Dadb adb = Dadb.discover(mDeviceIp, mAdbKeyPair);

                if (adb == null) {
                    mHandler.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(DeviceActivity.this, R.string.err_dev_failed_to_connect, Toast.LENGTH_LONG).show();
                        }
                    }, 100);
                    return;
                }

                Log.d(TAG, mDeviceIp + " Connected");
                boolean res = false;

                File appConfigFile = new File(fileTmp, "App.json");
                res = pullFile(adb, REMOTE_PATH_DATA + "App.json", appConfigFile);
                if (res) {

                    final MicroPhotoContext.AppConfig appConfig = MicroPhotoContext.getMpAppConfig(context, appConfigFile.getAbsolutePath());
                    mAppConfig = appConfig;

                    DeviceActivity.this.mHandler.post(new Runnable() {
                        @Override
                        public void run() {
                            DeviceActivity.this.showAppInfo();
                        }
                    });
                }

                final int numberOfChannels = (mAppConfig != null) ? mAppConfig.channels : 0;
                mHandler.post(new Runnable() {
                    @Override
                    public void run() {
                        updateButtons(numberOfChannels);
                    }
                });

                mChannelCfgs.clear();
                if (mAppConfig != null && mAppConfig.channels > 0) {
                    for (int channel = 1; channel <= mAppConfig.channels; channel++) {
                        String remoteFilePath = REMOTE_PATH_DATA_CHANNELS + Integer.toString(channel) + ".json";
                        File localFilePath = new File(fileTmp, Integer.toString(channel) + ".json");
                        if (localFilePath.exists()) {
                            localFilePath.delete();
                        }
                        res = pullFile(adb, remoteFilePath, localFilePath);
                        if (res) {
                            JSONObject channelJson = JSONUtils.loadJson(localFilePath.getAbsolutePath());
                            if (channelJson != null) {
                                mChannelCfgs.put(new Integer(channel), channelJson);
                            }
                            localFilePath.delete();
                        }
                    }
                }

                AdbShellResponse adbShellResponse = null;
                try {
                    adbShellResponse = adb.shell("getprop");
                } catch (Exception ex) {
                    ex.printStackTrace();
                }

                if (adbShellResponse.getExitCode() == 0) {
                    String[] lines = FilesUtils.splitLines(adbShellResponse.getAllOutput());
                    for (String line : lines) {
                        int pos = line.indexOf("]: [");
                        if (pos != -1) {
                            String key = line.substring(1, pos);
                            String val = line.substring(pos + 4, line.length() - 1);
                            mProps.put(key, val);
                        }
                    }
                }

                if (mProps.containsKey(KEY_RO_SERIALNO)) {
                    mSerialNo = (String)mProps.get(KEY_RO_SERIALNO);
                }
                // adb shell pm dump com.xypower.mpremote | grep "versionName"
                adbShellResponse = null;
                try {
                    adbShellResponse = adb.shell("pm dump " + PACKAGE_NAME_MP + " | grep \"versionName\"");
                } catch (Exception ex) {
                    ex.printStackTrace();
                }

                if (adbShellResponse.getExitCode() == 0) {
                    String[] lines = FilesUtils.splitLines(adbShellResponse.getAllOutput());
                    for (String line : lines) {
                        int pos = line.indexOf("versionName=");
                        if (pos != -1) {
                            String val = line.substring(pos + 12);
                            mProps.put(KEY_APP_MP_VERSION, val);
                            break;
                        }
                    }
                }

                String remoteFilePath = REMOTE_PATH_TMP + "bv.txt";
                String cmd = "am start -n " + PACKAGE_NAME_MP + "/" + PACKAGE_NAME_MP + ".BridgeActivity --es action \"query_bv\" --es path \"" + remoteFilePath + "\"";
                adbShellResponse = null;
                try {
                    adbShellResponse = adb.shell(cmd);
                } catch (Exception ex) {
                    ex.printStackTrace();
                }

                if (adbShellResponse.getExitCode() == 0) {
                    File localFilePath = new File(fileTmp, "bv.txt");
                    if (localFilePath.exists()) {
                        localFilePath.delete();
                    }

                    for (int idx = 0; idx < 10; idx++) {

                        res = pullFile(adb, remoteFilePath, localFilePath);

                        if (res) {
                            String content = FilesUtils.readTextFile(localFilePath.getAbsolutePath());
                            if (!TextUtils.isEmpty(content)) {
                                int pos = content.indexOf(" ");
                                if (pos != -1) {
                                    String bv = content.substring(0, pos);
                                    String bcv = content.substring(pos + 1);

                                    if (!TextUtils.isEmpty(bv)) {
                                        mBatteryVoltage = Integer.parseInt(bv);
                                    }
                                    if (!TextUtils.isEmpty(bcv)) {
                                        mBatteryChargingVoltage = Integer.parseInt(bcv);
                                    }
                                }
                            }

                            localFilePath.delete();
                            break;
                        }

                        try {
                            Thread.sleep(1000);
                        } catch (Exception ex) {
                            ex.printStackTrace();
                        }
                    }

                    try {
                        adb.shell("rm " + remoteFilePath);
                    } catch (Exception ex) {
                        ex.printStackTrace();
                    }
                }



            }
        })).start();
    }

    protected boolean pullFile(Dadb adb, String remoteFilePath, File localFilePath) {
        if (localFilePath.exists()) {
            localFilePath.delete();
        }

        Log.i(TAG, "PULL: " + remoteFilePath);

        boolean res = false;
        try {
            adb.pull(localFilePath, remoteFilePath);
            res = true;
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        return res && localFilePath.exists();
    }

    protected void takePhotoImpl(final String cmd, final int channel, final int preset, final String localFileName, final String remoteFilePath, final boolean photoOrVideo, long sleepTime) {
        Thread th = new Thread(new Runnable() {
            @Override
            public void run() {

                Dadb adb = Dadb.discover(mDeviceIp, mAdbKeyPair);

                if (adb == null) {
                    mHandler.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(DeviceActivity.this, R.string.err_dev_failed_to_connect, Toast.LENGTH_LONG).show();
                        }
                    }, 100);
                    return;
                }

                AdbShellResponse adbShellResponse = null;
                try {
                    adbShellResponse = adb.shell(cmd);
                } catch (Exception ex) {
                    ex.printStackTrace();
                }

                if (adbShellResponse != null) {
                    if (adbShellResponse.getExitCode() == 0) {

                        if (sleepTime > 0) {
                            try {
                                Thread.sleep(sleepTime);
                            } catch (Exception ex) {
                            }
                        }

                        File localDevicePath = new File(getFilesDir(), "Photos" + File.separator + mSerialNo);
                        if (!localDevicePath.exists()) {
                            localDevicePath.mkdirs();
                        }

                        final File localFilePath = new File(localDevicePath, localFileName);

                        for (int idx = 0; idx < 10; idx++) {

                            boolean res = pullFile(adb, remoteFilePath, localFilePath);

                            if (res) {

                                mHandler.post(new Runnable() {
                                    @Override
                                    public void run() {
                                        if (photoOrVideo) {
                                            showPhoto(localFilePath.getAbsolutePath());
                                        } else {
                                            showVideo(localFilePath.getAbsolutePath());
                                        }
                                    }
                                });
                                break;
                            }

                            try {
                                Thread.sleep(1000);
                            } catch (Exception ex) {
                                ex.printStackTrace();
                            }
                        }

                        try {
                            // mAdb.shell("rm " + remoteFilePath);
                        } catch (Exception ex) {
                            ex.printStackTrace();
                        }

                    }
                }
            }
        });

        th.start();
    }

    protected long takePhoto(int channel, int preset, final boolean photoOrVideo) {

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddhhmmss");
        Date dt = new Date();
        int cameraId = channel - 1;

        final String fileName = "IMG-" + Integer.toString(channel) + "-" + simpleDateFormat.format(dt) + (photoOrVideo ? ".jpg" : ".mp4");
        final String remoteFilePath = REMOTE_PATH_TMP + fileName;

        String leftTopOsd = "";
        if (mAppConfig != null) {
            leftTopOsd += mAppConfig.cmdid + " ";
        }
        SimpleDateFormat simpleDateFormat2 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        leftTopOsd += simpleDateFormat2.format(dt) + " ";
        leftTopOsd += "CH:" + Integer.toString(channel) + " ";

        leftTopOsd = leftTopOsd.replaceAll("\\\\", "\\\\\\\\");
        leftTopOsd = leftTopOsd.replaceAll(" ", "\\\\ ");

        String usb = (channel == 4) ? "true" : "false";
        JSONObject channelJson = (JSONObject) mChannelCfgs.get(Integer.valueOf(channel));
        if (channelJson != null) {
            int usbCamera = channelJson.optInt("usbCamera", 0);
            usb = (usbCamera != 0) ? "true" : "false";
            cameraId = channelJson.optInt("cameraId", cameraId);
        }
        final String cmd = "am start -n " + PACKAGE_NAME_MP + "/" + PACKAGE_NAME_MP + ".BridgeActivity --es action \"take_photo\" --es path \""
                + remoteFilePath + "\" --ez usb " + usb + " --ei cameraId " + Integer.toString(cameraId) + " --ei channel "
                + Integer.toString(channel) + " --ei preset " + Integer.toString(preset) + " --es leftTopOsd \"" + leftTopOsd + "\"";
        // adbShellResponse = null;

        takePhotoImpl(cmd, channel, preset, fileName, remoteFilePath, photoOrVideo, 0);

        return 0;
    }

    protected long takeVideo(int channel, int preset, final boolean photoOrVideo) {

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddhhmmss");
        Date dt = new Date();
        int cameraId = channel - 1;
        int duration = 5;

        String leftTopOsd = "";
        if (mAppConfig != null) {
            leftTopOsd += mAppConfig.cmdid + " ";
        }
        SimpleDateFormat simpleDateFormat2 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        leftTopOsd += simpleDateFormat2.format(dt) + " ";
        leftTopOsd += "CH:" + Integer.toString(channel) + " ";

        final String fileName = "IMG-" + Integer.toString(channel) + "-" + simpleDateFormat.format(dt) + (photoOrVideo ? ".jpg" : ".mp4");
        final String remoteFilePath = REMOTE_PATH_TMP + fileName;

        //                int quality = intent.getIntExtra("quality", 0);
        //                int width = intent.getIntExtra("width", 1280);
        //                int height = intent.getIntExtra("height", 720);
        //                int duration = intent.getIntExtra("duration", 15);
        //                int orientation = intent.getIntExtra("orientation", 0);
        //                long videoId = System.currentTimeMillis() / 1000;
        //
        //                String leftTopOsd = intent.getStringExtra("leftTopOsd");
        //                String rightTopOsd = intent.getStringExtra("rightTopOsd");
        //                String rightBottomOsd = intent.getStringExtra("rightBottomOsd");
        //                String leftBottomOsd = intent.getStringExtra("leftBottomOsd");

        int width = 1280;
        int height = 720;
        String usb = (channel == 4) ? "true" : "false";
        JSONObject channelJson = (JSONObject) mChannelCfgs.get(Integer.valueOf(channel));
        if (channelJson != null) {
            int usbCamera = channelJson.optInt("usbCamera", 0);
            usb = (usbCamera != 0) ? "true" : "false";
            cameraId = channelJson.optInt("cameraId", cameraId);
            width = channelJson.optInt("videoCX", width);
            height = channelJson.optInt("videoCY", height);
        }

        final String cmd = "am start -n " + PACKAGE_NAME_MP + "/" + PACKAGE_NAME_MP + ".BridgeActivity --es action \"recording\" --es path \""
                + remoteFilePath + "\" --ez usb " + usb + " --ei cameraId " + Integer.toString(cameraId) + " --ei channel "
                + Integer.toString(channel) + " --ei preset " + Integer.toString(preset) + " --ei duration " + Integer.toString(duration)
                + " --el videoId " + Long.toString(dt.getTime() / 1000) + " --ei width " + Integer.toString(height) + " --ei height "
                + Integer.toString(height) + " --es leftTopOsd \"" + leftTopOsd + "\"";
        // adbShellResponse = null;

        Log.d(TAG, cmd);

        takePhotoImpl(cmd, channel, preset, fileName, remoteFilePath, photoOrVideo, duration * 1000);

        return 0;
    }

    private void showPhoto(final String filePath) {
        Intent intent = new Intent(this, ImageActivity.class);
        intent.putExtra("path", filePath);
        intent.putExtra("cmdid", TextUtils.isEmpty(mAppConfig.cmdid) ? "" : mAppConfig.cmdid);
        // intent.putExtra("info", info);
        startActivity(intent);
    }

    private void showVideo(final String filePath) {
        Intent intent = new Intent(DeviceActivity.this, VideoActivity.class);
        intent.putExtra("path", filePath);
        // intent.putExtra("info", info);
        startActivity(intent);
    }

    private void updateButtons(int numberOfChannels) {
        if (numberOfChannels > 0) {
            binding.takePhoto1.setVisibility(View.VISIBLE);
            binding.takeVideo1.setVisibility(View.VISIBLE);
        }
        if (numberOfChannels > 1) {
            binding.takePhoto2.setVisibility(View.VISIBLE);
            binding.takeVideo2.setVisibility(View.VISIBLE);
        }
        if (numberOfChannels > 2) {
            binding.takePhoto3.setVisibility(View.VISIBLE);
            binding.takeVideo3.setVisibility(View.VISIBLE);
        }
        if (numberOfChannels > 3) {
            binding.takePhoto4.setVisibility(View.VISIBLE);
            binding.takeVideo4.setVisibility(View.VISIBLE);
        }
    }


    public static int calculateSignalLevel(int rsrp, int numLevels) {
        int signalLevel = 0;
        if (rsrp >= -97) {
            signalLevel = 4;
        } else if (rsrp >= -107) {
            signalLevel = 3;
        } else if (rsrp >= -117) {
            signalLevel = 2;
        } else if (rsrp >= -125) {
            signalLevel = 1;
        } else if (rsrp >= -140) {
            signalLevel = 0;
        }

        return signalLevel;
    }

    private void showAppInfo() {
        ActionBar actionBar = getSupportActionBar();

        // 视频浏览，拍照，设备信息及状态查询(编号，版本，双SIM卡状态，电池及太阳能电压等)，可以参考东视

        Resources resources = getResources();
        // String buildTime = BuildConfig.BUILD_
        // Date date = new Date(BuildConfig.BUILD_TIMESTAMP);
        // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
        String title = resources.getString(R.string.app_name);
        if (!TextUtils.isEmpty(mAppConfig.cmdid)) {
            title = mAppConfig.cmdid;
        }
        actionBar.setTitle(title);

        StringBuilder stringBuilder = new StringBuilder();

        ConnectivityManager mConnectivityManager;

        if (mProps.containsKey(KEY_RO_SERIALNO)) {
            String val = (String)mProps.get(KEY_RO_SERIALNO);
            appendKeyValue(stringBuilder, "序列号", val, true);
        }

        if (mProps.containsKey(KEY_RO_CUSTOM_OTA_VERSION)) {
            String val = (String)mProps.get(KEY_RO_CUSTOM_OTA_VERSION);
            appendKeyValue(stringBuilder, "系统版本", val, true);
        }

        int numberOfSimcard = 0;
        if (mProps.containsKey(KEY_RO_MODEMS_MAX_COUNT)) {
            String val = (String)mProps.get(KEY_RO_MODEMS_MAX_COUNT);
            numberOfSimcard = Integer.parseInt(val);
        }

        String signalLevel = "";
        List<String> iccids = new ArrayList<>();
        for (int idx = 1; idx <= numberOfSimcard; idx++) {
            String key = KEY_RO_SIGNAL_STRNGTH_PREFIX + Integer.toString(idx);
            if (mProps.containsKey(key)) {
                String val = (String)mProps.get(key);
                int pos = val.indexOf(",");
                if (pos != -1) {
                    int signalStrength = Integer.parseInt(val.substring(0, pos));
                    if (!TextUtils.isEmpty(signalLevel)) {
                        signalLevel += "/";
                    }
                    int ss = calculateSignalLevel(signalStrength, RSSI_LEVELS);
                    signalLevel += Integer.toString(ss);
                }
            }

            key = KEY_RO_ICCID_PREFIX + Integer.toString(idx - 1);
            if (mProps.containsKey(key)) {
                String val = (String)mProps.get(key);
                byte[] bytes = Base64.decode(val, Base64.DEFAULT);
                String str = new String(bytes, Charset.defaultCharset());
                iccids.add(str);
            }
        }

        appendKeyValue(stringBuilder, "CMDID", mAppConfig.cmdid, true);

        appendKeyValue(stringBuilder, "主站", mAppConfig.server + ":" + Integer.toString(mAppConfig.port));

        appendKeyValue(stringBuilder, "通道数", Integer.toString(mAppConfig.channels));

        if (mProps.containsKey(KEY_APP_MP_VERSION)) {
            String val = (String)mProps.get(KEY_APP_MP_VERSION);
            appendKeyValue(stringBuilder, "APP版本", val);
        }

        String vendorName = "";
        if (mProps.containsKey(KEY_GSM_VENDOR_NAME)) {
            vendorName = mProps.get(KEY_GSM_VENDOR_NAME);
        }

        appendKeyValue(stringBuilder, "移动运营商", vendorName);
        appendKeyValue(stringBuilder, "移动信号", signalLevel);
        for (String iccid : iccids) {
            appendKeyValue(stringBuilder, "ICCID", iccid);
        }

        if (mBatteryVoltage != -1) {
            appendKeyValue(stringBuilder, "电池电压", Integer.toString(mBatteryVoltage / 1000) + "." + Integer.toString((mBatteryVoltage % 1000) / 100));
        }
        if (mBatteryChargingVoltage != -1) {
            appendKeyValue(stringBuilder, "充电电压", Integer.toString(mBatteryChargingVoltage / 1000) + "." + Integer.toString((mBatteryChargingVoltage % 1000) / 100));
        }

        binding.deviceInfo.setText(Html.fromHtml(stringBuilder.toString()));
    }

    private void appendKeyValue(StringBuilder stringBuilder, String key, String val) {
        appendKeyValue(stringBuilder, key, val, false);
    }

    private void appendKeyValue(StringBuilder stringBuilder, String key, String val, boolean highlignt) {
        if (highlignt) {
            stringBuilder.append(key + "：<font color=\"red\"><b>" + val + "</b></font>");
        } else {
            stringBuilder.append(key + "：" + val);
        }
        stringBuilder.append("<br>");
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                return false;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

}