m-kikuchi777

import 'dart:ui';

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

m-kikuchi777

contentResolver.openFileDescriptor(fileUri, "r")?.use {
  it.statSize
} ?: throw IOException("Could not get file size")

m-kikuchi777

val bitmapFactoryOptions = BitmapFactory.Options()

bitmapFactoryOptions.inSampleSize = sampleSize

var bitmap = contentResolver.openFileDescriptor(path, "r")?.use {
  BitmapFactory.decodeFileDescriptor(it.fileDescriptor, null, bitmapFactoryOptions)
} ?: return null

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context.contentResolver.openOutputStream(imageUri).use { out ->
  bmp.compress(Bitmap.CompressFormat.JPEG, 90, out)
}

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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
  ImageDecoder.decodeBitmap(ImageDecoder.createSource(contentResolver, uri))
} else {
  contentResolver.openInputStream(uri)?.use { inputStream ->
    BitmapFactory.decodeStream(inputStream)
  }
}

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val values = ContentValues().apply {
  put(MediaStore.Images.Media.DISPLAY_NAME,"${System.currentTimeMillis()}")
  put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg")
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
    put(MediaStore.Images.Media.RELATIVE_PATH, "Picture/sample")
    put(MediaStore.Images.Media.IS_PENDING, true)
  }
}

val externalStorageUri = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {

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val targetUri = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
  MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
} else {
  MediaStore.Images.Media.EXTERNAL_CONTENT_URI
}

val projection: Array<String> = arrayOf(
  MediaStore.Images.Media._ID
)