Revert "..."

This reverts commit 092b487a04ca3a07bbf308bea0a54a31ded648f8.
Revert "show toast after extraction"

This reverts commit de71b9f6fb95dc936f72f8099c437433ca2e6ce9.
Revert "fix error handling when create file/folder"

This reverts commit 0aec8b5e6b459ad84dbf2f751c6afaa91b97bf86.
Revert "fix android lint warnings"

This reverts commit e7d8613ed96a255b90f391113bd7f7b8a4b71dcf.

Conflicts:
	explorer/src/main/res/values-hu/strings.xml
	explorer/src/main/res/values-pt-rBR/strings.xml
Revert "move to Android Studio"

This reverts commit 1e6d6b5364143cef9193077857ecfbf76b08f8f9.

Conflicts:
	explorer/src/main/res/values-hu/strings.xml
	res/values-ar/strings.xml
	res/values-ko/strings.xml
	res/values-tr/strings.xml