Turn on/off Auto-rotate screen quickly by long pressing search button.
When you are lying on bed. The screen changes to landscape. Have to open system settings to disable Auto-rotate screen. Did you find it is really inconvenient? This app provides a super easy way for switching this setting.
And it provides a state icon to indicate the current setting.
Rotation Lock is released under GPLv2 License.
Source code at https://github.com/phuang/rotation_lock
* Can not lock landscape orientation, because Android system does not allow it.
* The lock does work in some apps which do not respect system auto-rotate screen setting.