private fun saveBin(uri: Uri){
val f = File(filesDir, "binFile")
val fd = contentResolver.openFileDescriptor(uri, "r")
fd?.fileDescriptor?.let {
val fi = FileInputStream(it)
val fo = f.outputStream()
fi.copyTo(fo)
fi.close()
fo.close()
}
fd?.close()
}
安卓Kotlin 通过content uri 获得二进制文件并保存
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转载自blog.csdn.net/u011570312/article/details/108419805
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