为什么文件访问方法 getExternalStorageDirectory() 在 Android 10 (API 29) 上不起作用

Question

This is my code to access abc.jpg file in Music folder.

String m=Environment.getStorageDirectory().getPath();
inputStream=cr.openInputStream(Uri.parse("file:"+Environment.getExternalStorageDirectory().getPath()+"/Music/abc.jpg"));

when i try to run this code it gives error.

File Not Found

Answer 1

We have to add

 android:requestLegacyExternalStorage="true"

In Android Mainfest File.