package com.ypx.imagepicker.utils;
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import android.app.Activity;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.media.MediaMetadataRetriever;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Environment;
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import android.os.ParcelFileDescriptor;
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import android.provider.MediaStore;
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import android.view.View;
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import com.ypx.imagepicker.ImagePicker;
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import com.ypx.imagepicker.bean.MimeType;
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import com.ypx.imagepicker.bean.UriPathInfo;
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import java.io.File;
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import java.io.FileDescriptor;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.FileNameMap;
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import java.net.URLConnection;
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/**
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* Time: 2019/7/17 14:16
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* Author:ypx
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* Description:文件工具类
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*/
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public class PBitmapUtils {
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/**
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* 根据相对路径获取图片宽高
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*
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* @param c 上下文
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* @param uri 图片uri地址
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* @return 宽高信息
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*/
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public static int[] getImageWidthHeight(Context c, Uri uri) {
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try {
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ParcelFileDescriptor parcelFileDescriptor = c.getContentResolver()
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.openFileDescriptor(uri, "r");
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if (parcelFileDescriptor != null) {
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FileDescriptor fileDescriptor = parcelFileDescriptor.getFileDescriptor();
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Bitmap image = BitmapFactory.decodeFileDescriptor(fileDescriptor);
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parcelFileDescriptor.close();
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return new int[]{image.getWidth(), image.getHeight()};
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return new int[]{0, 0};
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}
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public static Bitmap getBitmapFromUri(Context c, Uri uri) {
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try {
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ParcelFileDescriptor parcelFileDescriptor = c.getContentResolver()
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.openFileDescriptor(uri, "r");
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if (parcelFileDescriptor != null) {
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FileDescriptor fileDescriptor = parcelFileDescriptor.getFileDescriptor();
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Bitmap image = BitmapFactory.decodeFileDescriptor(fileDescriptor);
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parcelFileDescriptor.close();
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return image;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 根据绝对路径得到图片的宽高，亲测比楼上速度快几十倍
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*
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* @param path 绝对路径！绝对路径！绝对路径！
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* @return 宽高
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*/
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public static int[] getImageWidthHeight(String path) {
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try {
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inJustDecodeBounds = true;
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BitmapFactory.decodeFile(path, options);
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return new int[]{options.outWidth, options.outHeight};
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} catch (Exception e) {
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e.printStackTrace();
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}
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return new int[]{0, 0};
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}
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/**
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* @param context 上下文
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* @return 获取app私有目录
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*/
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public static File getPickerFileDirectory(Context context) {
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File file = new File(context.getExternalFilesDir(null), ImagePicker.DEFAULT_FILE_NAME);
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if (!file.exists()) {
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if (file.mkdirs()) {
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return file;
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}
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}
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return file;
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}
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/**
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* 获取系统相册文件路径
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*/
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public static File getDCIMDirectory() {
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File dcim = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
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if (!dcim.exists()) {
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dcim = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
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}
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return dcim;
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}
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/**
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* androidQ中默认项目私有文件只能存储在Android/data/包名/files/下
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*
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* @param context 上下文
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* @param bitmap 要保存的bitmap
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* @param fileName 图片名称
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* @param compressFormat 图片格式
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* @return 该图片的绝对路径，不是Uri相对路径
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*/
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public static String saveBitmapToFile(Context context,
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Bitmap bitmap,
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String fileName,
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Bitmap.CompressFormat compressFormat) {
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File file = getPickerFileDirectory(context);
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file = new File(file, fileName + "." + compressFormat.toString().toLowerCase());
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try {
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FileOutputStream b = new FileOutputStream(file);
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bitmap.compress(compressFormat, 90, b);// 把数据写入文件
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b.flush();
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b.close();
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return file.getAbsolutePath();
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} catch (Exception e) {
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e.printStackTrace();
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if (file.exists()) {
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file.delete();
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}
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return "Exception:" + e.getMessage();
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}
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}
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public static Uri saveBitmapToDCIM(Context context,
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Bitmap bitmap,
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String fileName,
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Bitmap.CompressFormat compressFormat) {
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ContentValues contentValues = new ContentValues();
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contentValues.put(MediaStore.Images.Media.DISPLAY_NAME, fileName);
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contentValues.put(MediaStore.Images.Media.MIME_TYPE, "image/" + compressFormat.toString());
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contentValues.put(MediaStore.Files.FileColumns.WIDTH, bitmap.getWidth());
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contentValues.put(MediaStore.Files.FileColumns.HEIGHT, bitmap.getHeight());
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String suffix = "." + compressFormat.toString().toLowerCase();
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String path = getDCIMDirectory().getAbsolutePath() + File.separator + fileName + suffix;
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try {
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contentValues.put(MediaStore.Images.Media.DATA, path);
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} catch (Exception ignored) {
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}
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//执行insert操作，向系统文件夹中添加文件
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//EXTERNAL_CONTENT_URI代表外部存储器，该值不变
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Uri uri = context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues);
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if (uri != null) {
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//若生成了uri，则表示该文件添加成功
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//使用流将内容写入该uri中即可
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try {
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OutputStream outputStream = context.getContentResolver().openOutputStream(uri);
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if (outputStream != null) {
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bitmap.compress(compressFormat, 90, outputStream);
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outputStream.flush();
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outputStream.close();
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return uri;
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}
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} catch (Exception e) {
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e.printStackTrace();
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return uri;
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}
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}
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return uri;
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}
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/**
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* Uri路径转绝对路径
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*
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* @param context 上下文，用于提供getContentResolver
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* @param uri 要查询的uri
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* @return 绝对路径
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*/
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public static String getPathFromUri(Context context, Uri uri) {
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String path = "";
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String DATA = android.os.Build.VERSION.SDK_INT < 29 ?
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MediaStore.Images.ImageColumns.DATA
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: MediaStore.Images.ImageColumns.RELATIVE_PATH;
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Cursor cursor = context.getContentResolver().query(uri, new String[]{DATA},
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null, null, null);
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if (null != cursor) {
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if (cursor.moveToFirst()) {
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int index = cursor.getColumnIndex(DATA);
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if (index > -1)
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path = cursor.getString(index);
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}
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cursor.close();
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}
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return path;
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}
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/**
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* androidQ方式保存一张bitmap到DCIM根目录下
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*
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* @param context 当前context
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* @param sourceFilePath 当前要生成的bitmap
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* @param fileName 图片名称
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* @param mimeType 图片格式
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* @return 此图片的Uri
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*/
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public static UriPathInfo copyFileToDCIM(Context context, String sourceFilePath,
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String fileName, MimeType mimeType) {
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ContentValues contentValues = new ContentValues();
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contentValues.put(MediaStore.Images.Media.DISPLAY_NAME, fileName);
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contentValues.put(MediaStore.Images.Media.MIME_TYPE, mimeType.toString());
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if (Build.VERSION.SDK_INT >= 29) {
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contentValues.put(MediaStore.Images.Media.DATE_TAKEN, System.currentTimeMillis());
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}
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boolean isImage = MimeType.isImage(mimeType.toString());
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if (isImage) {
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int[] size = getImageWidthHeight(sourceFilePath);
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contentValues.put(MediaStore.Files.FileColumns.WIDTH, size[0]);
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contentValues.put(MediaStore.Files.FileColumns.HEIGHT, size[1]);
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} else {
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long duration = PBitmapUtils.getLocalVideoDuration(sourceFilePath);
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contentValues.put("duration", duration);
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}
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String suffix = "." + mimeType.getSuffix();
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String path = getDCIMDirectory().getAbsolutePath() + File.separator + fileName + suffix;
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try {
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contentValues.put(MediaStore.Images.Media.DATA, path);
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} catch (Exception ignored) {
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}
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//执行insert操作，向系统文件夹中添加文件
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//EXTERNAL_CONTENT_URI代表外部存储器，该值不变
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Uri uri = context.getContentResolver().insert(isImage ? MediaStore.Images.Media.EXTERNAL_CONTENT_URI :
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MediaStore.Video.Media.EXTERNAL_CONTENT_URI, contentValues);
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copyFile(context, sourceFilePath, uri);
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return new UriPathInfo(uri, path);
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}
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private static boolean copyFile(Context context, String sourceFilePath, final Uri insertUri) {
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if (insertUri == null) {
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return false;
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}
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ContentResolver resolver = context.getContentResolver();
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InputStream is = null;//输入流
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OutputStream os = null;//输出流
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try {
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os = resolver.openOutputStream(insertUri);
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if (os == null) {
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return false;
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}
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File sourceFile = new File(sourceFilePath);
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if (sourceFile.exists()) { // 文件存在时
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is = new FileInputStream(sourceFile); // 读入原文件
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//输入流读取文件，输出流写入指定目录
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return copyFileWithStream(os, is);
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}
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return false;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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} finally {
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try {
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if (is != null) {
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is.close();
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}
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if (os != null) {
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os.close();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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private static boolean copyFileWithStream(OutputStream os, InputStream is) {
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if (os == null || is == null) {
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return false;
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}
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int read = 0;
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while (true) {
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try {
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byte[] buffer = new byte[1444];
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while ((read = is.read(buffer)) != -1) {
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os.write(buffer, 0, read);
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os.flush();
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}
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return true;
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} catch (IOException e) {
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e.printStackTrace();
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return false;
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} finally {
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try {
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os.close();
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is.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}
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/**
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* @return view的截图，在InVisible时也可以获取到bitmap
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*/
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public static Bitmap getViewBitmap(View view) {
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view.measure(View.MeasureSpec.makeMeasureSpec(view.getMeasuredWidth(), View.MeasureSpec.EXACTLY),
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View.MeasureSpec.makeMeasureSpec(view.getMeasuredHeight(), View.MeasureSpec.EXACTLY));
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view.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_HIGH);
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view.setDrawingCacheEnabled(true);
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view.buildDrawingCache(true);
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return view.getDrawingCache(true);
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}
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/**
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* 获取视频封面
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*/
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public static Bitmap getVideoThumb(String path) {
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MediaMetadataRetriever media = new MediaMetadataRetriever();
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media.setDataSource(path);
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return media.getFrameAtTime();
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}
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/**
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* 获取视频时长
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*/
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public static long getLocalVideoDuration(String videoPath) {
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int duration;
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try {
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MediaMetadataRetriever mmr = new MediaMetadataRetriever();
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mmr.setDataSource(videoPath);
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duration = Integer.parseInt(mmr.extractMetadata
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(MediaMetadataRetriever.METADATA_KEY_DURATION));
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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return duration;
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}
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/**
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* 刷新相册
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*/
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public static void refreshGalleryAddPic(Context context, Uri uri) {
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if (context == null) {
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return;
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}
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Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
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mediaScanIntent.setData(uri);
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context.sendBroadcast(mediaScanIntent);
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}
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public static String getMimeTypeFromUri(Activity context, Uri uri) {
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ContentResolver resolver = context.getContentResolver();
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return resolver.getType(uri);
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}
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public static String getMimeTypeFromPath(String path) {
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FileNameMap fileNameMap = URLConnection.getFileNameMap();
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return fileNameMap.getContentTypeFor(new File(path).getName());
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}
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public static Uri getImageContentUri(Context context, String path) {
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Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
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new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=? ",
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new String[]{path}, null);
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if (cursor != null && cursor.moveToFirst()) {
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int id = cursor.getInt(cursor.getColumnIndex(MediaStore.MediaColumns._ID));
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Uri baseUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
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cursor.close();
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return Uri.withAppendedPath(baseUri, "" + id);
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} else {
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return null;
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}
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}
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public static Uri getVideoContentUri(Context context, String path) {
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Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
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new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=? ",
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new String[]{path}, null);
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if (cursor != null && cursor.moveToFirst()) {
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int id = cursor.getInt(cursor.getColumnIndex(MediaStore.MediaColumns._ID));
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Uri baseUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
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cursor.close();
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return Uri.withAppendedPath(baseUri, "" + id);
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} else {
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return null;
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}
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}
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public static Uri getContentUri(String mimeType, long id) {
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if (id <= 0) {
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return null;
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}
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Uri contentUri;
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if (MimeType.isImage(mimeType)) {
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contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
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} else if (MimeType.isVideo(mimeType)) {
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contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
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} else {
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contentUri = MediaStore.Files.getContentUri("external");
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}
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return ContentUris.withAppendedId(contentUri, id);
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}
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}
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