ConUtil.java

package com.megvii.idcardlib.util;

import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager.NameNotFoundException;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Rect;
import android.graphics.RectF;
import android.media.ExifInterface;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Environment;
import android.telephony.TelephonyManager;
import android.util.Base64;
import android.view.Gravity;
import android.view.inputmethod.InputMethodManager;
import android.widget.Toast;

import com.megvii.idcardlib.R;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;
import java.util.UUID;

public class ConUtil {

    /**
     * 根据byte数组，生成文件
     */
    public static String saveJPGFile(Context mContext, byte[] data, String key) {
        if (data == null)
            return null;

        File mediaStorageDir = mContext.getExternalFilesDir(Constant.cacheImage);

        if (!mediaStorageDir.exists()) {
            if (!mediaStorageDir.mkdirs()) {
                return null;
            }
        }

        BufferedOutputStream bos = null;
        FileOutputStream fos = null;
        try {
            String jpgFileName = System.currentTimeMillis() + "" + new Random().nextInt(1000000) + "_" + key + ".jpg";
            fos = new FileOutputStream(mediaStorageDir + "/" + jpgFileName);
            bos = new BufferedOutputStream(fos);
            bos.write(data);
            return mediaStorageDir.getAbsolutePath() + "/" + jpgFileName;
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (bos != null) {
                try {
                    bos.close();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
            if (fos != null) {
                try {
                    fos.close();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
        }
        return null;
    }


    /**
     * 根据byte数组，生成文件
     */
    public static File saveJPG(Context mContext, byte[] data, String key) {
        if (data == null)
            return null;

//        File mediaStorageDir = mContext.getExternalFilesDir(Constant.cacheImage);
        String jpgFileName = System.currentTimeMillis() + "" + new Random().nextInt(1000000) + "_" + key + ".jpg";
//        if (!mediaStorageDir.exists()) {
//            if (!mediaStorageDir.mkdirs()) {
//                return null;
//            }
//        }

        boolean sdCardExist = Environment.getExternalStorageState()
                .equals(android.os.Environment.MEDIA_MOUNTED); //判断sd卡是否存在
        File file;
        if (sdCardExist) {
            file = new File(Environment.getExternalStorageDirectory() + "/dayu/");
            if (!file.exists()) {
                file.mkdirs();
            }
            file = new File(file, jpgFileName);
        } else {
            file = new File(mContext.getCacheDir() + "/dayu/");
            if (!file.exists()) {
                file.mkdirs();
            }
            file = new File(file, jpgFileName);
        }
        BufferedOutputStream bos = null;
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(file.getAbsolutePath());
            bos = new BufferedOutputStream(fos);
            bos.write(data);
            return file;

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (bos != null) {
                try {
                    bos.close();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
            if (fos != null) {
                try {
                    fos.close();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
        }
        return null;
    }

    public static void copyModels(Context context) {
        File dstModelFile = new File(context.getExternalFilesDir(null), "model");
        if (dstModelFile.exists()) {
            return;
        }

        try {
            String tmpFile = "model";
            BufferedInputStream inputStream = new BufferedInputStream(context.getAssets().open(tmpFile));
            BufferedOutputStream foutputStream = new BufferedOutputStream(new FileOutputStream(dstModelFile));

            byte[] buffer = new byte[1024];
            int readcount = -1;
            while ((readcount = inputStream.read(buffer)) != -1) {
                foutputStream.write(buffer, 0, readcount);
            }
            foutputStream.close();
            inputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static byte[] readModel(Context context) {
        InputStream inputStream = null;
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int count = -1;
        try {
            inputStream = context.getResources().openRawResource(R.raw.livenessmodel);
            while ((count = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, count);
            }
            byteArrayOutputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return byteArrayOutputStream.toByteArray();
    }

    public static String getUUIDString(Context mContext) {
        String KEY_UUID = "key_uuid";
        SharedUtil sharedUtil = new SharedUtil(mContext);
        String uuid = sharedUtil.getStringValueByKey(KEY_UUID);
        if (uuid != null && uuid.trim().length() != 0)
            return uuid;

        uuid = UUID.randomUUID().toString();
        uuid = Base64.encodeToString(uuid.getBytes(), Base64.DEFAULT);
        sharedUtil.saveStringValue(KEY_UUID, uuid);
        return uuid;
    }

    public static String getPhoneNumber(Context mContext) {
        TelephonyManager phoneMgr = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
        return phoneMgr.getLine1Number();
    }

    public static String getDeviceID(Context mContext) {
        TelephonyManager tm = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
        return tm.getDeviceId();
    }

    public static String getMacAddress(Context mContext) {
        WifiManager wifi = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
        WifiInfo info = wifi.getConnectionInfo();
        String address = info.getMacAddress();
        if (address != null && address.length() > 0) {
            address = address.replace(":", "");
        }
        return address;
    }

    /**
     * 获取bitmap的灰度图像
     */
    public static byte[] getGrayscale(Bitmap bitmap) {
        if (bitmap == null)
            return null;

        byte[] ret = new byte[bitmap.getWidth() * bitmap.getHeight()];
        for (int j = 0; j < bitmap.getHeight(); ++j)
            for (int i = 0; i < bitmap.getWidth(); ++i) {
                int pixel = bitmap.getPixel(i, j);
                int red = ((pixel & 0x00FF0000) >> 16);
                int green = ((pixel & 0x0000FF00) >> 8);
                int blue = pixel & 0x000000FF;
                ret[j * bitmap.getWidth() + i] = (byte) ((299 * red + 587 * green + 114 * blue) / 1000);
            }
        return ret;
    }

    /**
     * 读取图片属性：旋转的角度
     *
     * @param path 图片绝对路径
     * @return degree旋转的角度
     */
    public static int readPictureDegree(String path) {
        int degree = 0;
        try {
            ExifInterface exifInterface = new ExifInterface(path);
            int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                    ExifInterface.ORIENTATION_NORMAL);
            switch (orientation) {
                case ExifInterface.ORIENTATION_ROTATE_90:
                    degree = 90;
                    break;
                case ExifInterface.ORIENTATION_ROTATE_180:
                    degree = 180;
                    break;
                case ExifInterface.ORIENTATION_ROTATE_270:
                    degree = 270;
                    break;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return degree;
    }

    /**
     * 旋转图片
     *
     * @param angle
     * @param bitmap
     * @return Bitmap
     */
    public static Bitmap rotateImage(int angle, Bitmap bitmap) {
        // 图片旋转矩阵
        Matrix matrix = new Matrix();
        matrix.postRotate(angle);
        // 得到旋转后的图片
        Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
        return resizedBitmap;
    }

    private static Bitmap getBitMap(String fileSrc, int dstWidth) {
        if (dstWidth == -1) {
            return BitmapFactory.decodeFile(fileSrc);
        }
        // 获取图片的宽和高
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(fileSrc, options);

        // 压缩图片
        options.inSampleSize = Math.max(1,
                (int) (Math.max((double) options.outWidth / dstWidth, (double) options.outHeight / dstWidth)));
        options.inJustDecodeBounds = false;
        return BitmapFactory.decodeFile(fileSrc, options);
    }

    /**
     * 压缩图
     */
    public static Bitmap getBitmapConsiderExif(String imagePath) {

        // 获取照相后的bitmap
        // Bitmap tmpBitmap = BitmapFactory.decodeFile(imagePath);
        Bitmap tmpBitmap = getBitMap(imagePath, 800);
        if (tmpBitmap == null)
            return null;
        Matrix matrix = new Matrix();
        matrix.postRotate(readPictureDegree(imagePath));
        tmpBitmap = Bitmap.createBitmap(tmpBitmap, 0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight(), matrix, true);
        tmpBitmap = tmpBitmap.copy(Config.ARGB_8888, true);

        int hight = tmpBitmap.getHeight() > tmpBitmap.getWidth() ? tmpBitmap.getHeight() : tmpBitmap.getWidth();

        float scale = hight / 800.0f;

        if (scale > 1) {
            tmpBitmap = Bitmap.createScaledBitmap(tmpBitmap, (int) (tmpBitmap.getWidth() / scale),
                    (int) (tmpBitmap.getHeight() / scale), false);
        }
        return tmpBitmap;
    }

    /**
     * 切图
     */
    public static Bitmap cropImage(RectF rect, Bitmap bitmap) {
        float width = rect.width() * 2;
        if (width > bitmap.getWidth()) {
            width = bitmap.getWidth();
        }

        float hight = rect.height() * 2;
        if (hight > bitmap.getHeight()) {
            hight = bitmap.getHeight();
        }

        float l = rect.centerX() - (width / 2);
        if (l < 0) {
            l = 0;
        }
        float t = rect.centerY() - (hight / 2);
        if (t < 0) {
            t = 0;
        }
        if (l + width > bitmap.getWidth()) {
            width = bitmap.getWidth() - l;
        }
        if (t + hight > bitmap.getHeight()) {
            hight = bitmap.getHeight() - t;
        }

        return Bitmap.createBitmap(bitmap, (int) l, (int) t, (int) width, (int) hight);

    }

    /**
     * 切图
     */
    public static Bitmap cutImage(RectF rect, String imagePath) {
        Bitmap bitmap = BitmapFactory.decodeFile(imagePath);
        return cropImage(rect, bitmap);

    }

    /**
     * 照相机拍照后照片存储路径
     */
    public static File getOutputMediaFile(Context mContext) {
        File mediaStorageDir = mContext.getExternalFilesDir(Constant.cacheCampareImage);
        if (!mediaStorageDir.exists()) {
            if (!mediaStorageDir.mkdirs()) {
                return null;
            }
        }
        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
        File mediaFile;

        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");
        return mediaFile;
    }

    /**
     * 隐藏软键盘
     */
    public static void isGoneKeyBoard(Activity activity) {
        if (activity.getCurrentFocus() != null) {
            // 隐藏软键盘
            ((InputMethodManager) activity.getSystemService(activity.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(
                    activity.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
        }
    }

    /**
     * 输出toast
     */
    public static void showToast(Context context, String str) {
        if (context != null) {
            Toast toast = Toast.makeText(context, str, Toast.LENGTH_SHORT);
            // 可以控制toast显示的位置
            toast.setGravity(Gravity.TOP, 0, 30);
            toast.show();
        }
    }

    /**
     * 输出长时间toast
     */
    public static void showLongToast(Context context, String str) {
        if (context != null) {
            Toast toast = Toast.makeText(context, str, Toast.LENGTH_LONG);
            // 可以控制toast显示的位置
            toast.setGravity(Gravity.TOP, 0, 30);
            toast.show();
        }
    }

    /**
     * 获取APP版本名
     */
    public static String getVersionName(Context context) {
        try {
            String versionName = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
            return versionName;
        } catch (NameNotFoundException e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 镜像旋转
     */
    public static Bitmap convert(Bitmap bitmap, boolean mIsFrontalCamera) {
        int w = bitmap.getWidth();
        int h = bitmap.getHeight();
        Bitmap newbBitmap = Bitmap.createBitmap(w, h, Config.ARGB_8888);// 创建一个新的和SRC长度宽度一样的位图
        Canvas cv = new Canvas(newbBitmap);
        Matrix m = new Matrix();
        // m.postScale(1, -1); //镜像垂直翻转
        if (mIsFrontalCamera) {
            m.postScale(-1, 1); // 镜像水平翻转
        }
        // m.postRotate(-90); //旋转-90度
        Bitmap bitmap2 = Bitmap.createBitmap(bitmap, 0, 0, w, h, m, true);
        cv.drawBitmap(bitmap2, new Rect(0, 0, bitmap2.getWidth(), bitmap2.getHeight()), new Rect(0, 0, w, h), null);
        return newbBitmap;
    }

    /**
     * 保存bitmap至指定Picture文件夹
     */
    public static String saveBitmap(Context mContext, Bitmap bitmaptosave) {
        if (bitmaptosave == null)
            return null;

        File mediaStorageDir = mContext.getExternalFilesDir(Constant.cacheImage);

        if (!mediaStorageDir.exists()) {
            if (!mediaStorageDir.mkdirs()) {
                return null;
            }
        }
        // String bitmapFileName = System.currentTimeMillis() + ".jpg";
        String bitmapFileName = System.currentTimeMillis() + "";
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(mediaStorageDir + "/" + bitmapFileName);
            boolean successful = bitmaptosave.compress(Bitmap.CompressFormat.JPEG, 75, fos);

            if (successful)
                return mediaStorageDir.getAbsolutePath() + "/" + bitmapFileName;
            else
                return null;
        } catch (FileNotFoundException e) {
            e.printStackTrace();
            return null;
        } finally {
            try {
                fos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * 时间格式化(格式到秒)
     */
    public static String getFormatterTime(long time) {
        Date d = new Date(time);
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
        String data = formatter.format(d);
        return data;
    }

}