SavePickedImage.kt

fun savePickedImage(activity: Activity) {
            val bm = BitmapFactory.decodeResource(activity.resources, R.mipmap.ic_launcher)
            val dir = activity.externalCacheDir
            val file = File(dir?.path, "pickImageResult.jpeg")
            val outStream: FileOutputStream?
            try {
                outStream = FileOutputStream(file)
                bm.compress(Bitmap.CompressFormat.JPEG, 100, outStream)
                with(outStream) {
                    flush()
                    close()
                }
            } catch (e: FileNotFoundException) {
                e.printStackTrace()
            } catch (e: IOException) {
                e.printStackTrace()
            }
        }