保存图片到相册(适配安卓11)

保存图片到相册

     /**
     * 保存图片到相册(适配安卓11)
     */
    fun saveBitmapPhoto(bm: Bitmap) {
        val resolver = AppUtils.getApplication().contentResolver
        val contentValues = ContentValues().apply {
            put(MediaStore.MediaColumns.DISPLAY_NAME, "自定义名称_${System.currentTimeMillis()}")
            put(MediaStore.MediaColumns.MIME_TYPE, "image/jpeg")
        }
        val uri = resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues)
        if (uri != null) {
            resolver.openOutputStream(uri).use {
                bm.compress(Bitmap.CompressFormat.JPEG, 100, it)
                ToastUtils.showShortToast("保存成功")
            }
        }

    }

    /**
     * 保存图片到相册(以前的方式)
     */
    fun saveBitmapPhoto(bm: Bitmap) {
        //创建的路径
        val externalStoragePublicDirectory = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM)
        val mImageFile = File(externalStoragePublicDirectory, "抖查查/" + UUID.randomUUID() + ".jpg")
        //创建目录文件
        FileUtils.createOrExistsFile(mImageFile)

        // 首先保存图片
        try {
            val fos = FileOutputStream(mImageFile)
            //通过io流的方式来压缩保存图片
            val isSuccess = bm.compress(Bitmap.CompressFormat.JPEG, 100, fos)
            fos.flush()
            fos.close()

            //保存图片后发送广播通知更新数据库（某些手机不起作用）
            val uri: Uri = Uri.fromFile(mImageFile)
            AppUtils.getApplication().sendBroadcast(Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri))
            //使用此方法
            scanSingleFile(mImageFile)

            ToastUtils.showShortToast("保存成功")

        } catch (e: IOException) {
            e.printStackTrace()
        }
    }

    /**
     * 刷新SD卡（用于刷新保存图片的地址）
     */
    private fun scanSingleFile(filePath: File) {
        MediaScannerConnection.scanFile(AppUtils.getApplication(), arrayOf(filePath.toString()), null) { path, uri ->
            val cr = AppUtils.getApplication().contentResolver
            var datemodified: Long = 0
            var dateadded: Long = 0
            val cursor = cr.query(uri, null, null, null, null)
            if (cursor != null && cursor.moveToFirst()) {
                datemodified = cursor.getLong(
                    cursor
                        .getColumnIndex(MediaStore.MediaColumns.DATE_MODIFIED)
                )
                dateadded = cursor.getLong(
                    cursor
                        .getColumnIndex(MediaStore.MediaColumns.DATE_ADDED)
                )
                cursor.close()
            }
            val values = ContentValues()
            if (datemodified > 0
                && datemodified.toString().length > 10
            ) {
                values.put(
                    MediaStore.MediaColumns.DATE_MODIFIED,
                    datemodified / 1000
                )
            }
            if (dateadded > 0
                && dateadded.toString().length > 13
            ) {
                values.put(
                    MediaStore.MediaColumns.DATE_ADDED,
                    dateadded / 1000
                )
            }
            if (values.size() > 0) {
                cr.update(uri, values, null, null)
            }
        }
    }