Sorted:

How to remove restrictions on Android data access?

How to check the remaining disk space in a directory in Linux?

How to solve the issue of Linux system screen not filling the entire screen?

What is the method for sorting JSONObject in Java?

How can Android retrieve the currently logged-in user?

What is the method for iterating through a JsonObject in Java?

How to access data from the built-in package in R language?

How to expand the storage of a full Linux system disk?

How to adjust the small window size of a Linux virtual machine?

How can I access the value of a radio button in Android?