image cropping

imageview_insert_post.crop(View.MeasureSpec.makeMeasureSpec(1024,` View.MeasureSpec.AT_MOST),
                View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),object : InstaCropperView.BitmapCallback {
                    override fun onBitmapReady(bitmap: Bitmap?) {
                        if (bitmap == null){
                            return
                        }
                        try {
                            val file = File(selected_file)

                            //get output stream dari copy file
                            val fileOutputStream = FileOutputStream(file)

                            bitmap.compress(Bitmap.CompressFormat.JPEG,100,fileOutputStream)
                            fileOutputStream.flush()
                            fileOutputStream.close()

                            if (!activity.isFinishing) {
                                //imageview_insert_post.setImageUri(Uri.fromFile(File(selected_file)))
                                activity.startActivity<InsertCaptionPostActivity>("file_name" to file.path)
                            }


                        }catch (e : IOException){
                            Timber.e("GALERY FRAFMENT : ${e.message}")
                        }
                    }
                }
            )