Android 获取手机 Imei 和 DeviceId

/**
 * 读取手机设备信息测试代码
 */
public class PhoneInfoUtils {
    private static TelephonyManager tm;
    public static String getDeviceId(Context context) {
        String deviceId;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
        {
            deviceId = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
        } else {
            final TelephonyManager mTelephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                if (context.checkSelfPermission(Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
                    return "";
                }
            }
            assert mTelephony != null;
            if (mTelephony.getDeviceId() != null)
            {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
                {
                    deviceId = mTelephony.getImei();
                }else {
                    deviceId = mTelephony.getDeviceId();
                }
            } else {
                deviceId = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
            }
        }
        Log.d("deviceId", deviceId);
        return deviceId;
    }
    /**
     * 获取屏幕分辨率
     *
     * @return
     */
    public static int[] getMetrics() {
        WindowManager wm = (WindowManager)  MyApp.getAppContext().getSystemService(Context.WINDOW_SERVICE);
        Display display = wm.getDefaultDisplay();
        Point point = new Point();
        display.getSize(point);
        int width = point.x;
        int height = point.y;
        int[] metrics = {width, height};
        return metrics;
    }
    /**
     * 设备厂商
     *
     * @return
     */
    public static String getPhoneBrand() {
        return Build.BOARD + "  " + Build.MANUFACTURER;
    }
    /**
     * 设备名称
     *
     * @return
     */
    public static String getPhoneModel() {
        return Build.MODEL;
    }
    /**
     * 设备名称
     *
     * @return
     */
    public static String getAndroidInfo() {
        return Build.VERSION.RELEASE;
    }
    /**
     * 得到软件版本号
     *
     * @param context 上下文
     * @return 当前版本Code
     */
    public static int getVerCode(Context context) {
        int verCode = -1;
        try {
            String packageName = context.getPackageName();
            verCode = context.getPackageManager()
                    .getPackageInfo(packageName, 0).versionCode;
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return verCode;
    }
    /**
     * 获得APP名称
     *
     * @param context
     * @return
     */
    public static String getAppName(Context context) {
        String appName = "";
        try {
            PackageManager packageManager = context.getPackageManager();
            ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
            appName = (String) packageManager.getApplicationLabel(applicationInfo);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return appName;
    }
}