How to read or write file as getExternalStorageDirectory is deprecated in API 29?

Question

I am learning android development and i am facing some problem to read getExternalStorageDirectory in java, I have read https://developer.android.com/reference/android/os/En

Answer 1

Use getExternalFilesDir(), getExternalCacheDir(), or getExternalMediaDirs() (methods on Context) instead of Environment.getExternalStorageDirectory()

String root = mContext.getExternalFilesDir(null).getAbsolutePath();
File myDir = new File(root + "/" + mContext.getResources().getString(R.string.app_name) + "_share");
    myDir.mkdirs();